./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.safe_arbitrated_fifos_n2d8w8.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.safe_arbitrated_fifos_n2d8w8.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1d054f79132e175b09d8c50472a4c24ca52f401c76e1d0704dd5609a369827e2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 14:26:51,889 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 14:26:52,011 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-13 14:26:52,019 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 14:26:52,019 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 14:26:52,061 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 14:26:52,063 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 14:26:52,064 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 14:26:52,064 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 14:26:52,065 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 14:26:52,066 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 14:26:52,066 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 14:26:52,066 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 14:26:52,067 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 14:26:52,067 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 14:26:52,067 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 14:26:52,067 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 14:26:52,067 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 14:26:52,068 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 14:26:52,068 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 14:26:52,069 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 14:26:52,069 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 14:26:52,069 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 14:26:52,069 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 14:26:52,069 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 14:26:52,070 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 14:26:52,070 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 14:26:52,071 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 14:26:52,071 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 14:26:52,071 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:26:52,071 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 14:26:52,071 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 14:26:52,072 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 14:26:52,072 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 14:26:52,072 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 14:26:52,072 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 14:26:52,072 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 14:26:52,072 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 14:26:52,073 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 14:26:52,074 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1d054f79132e175b09d8c50472a4c24ca52f401c76e1d0704dd5609a369827e2 [2024-11-13 14:26:52,424 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 14:26:52,435 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 14:26:52,438 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 14:26:52,440 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 14:26:52,440 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 14:26:52,441 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.safe_arbitrated_fifos_n2d8w8.c Unable to find full path for "g++" [2024-11-13 14:26:54,815 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 14:26:55,337 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 14:26:55,342 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.safe_arbitrated_fifos_n2d8w8.c [2024-11-13 14:26:55,360 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/data/a1ff88399/69d81260c10f44c3911573b6bd992dc5/FLAGdbf0c2209 [2024-11-13 14:26:55,389 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/data/a1ff88399/69d81260c10f44c3911573b6bd992dc5 [2024-11-13 14:26:55,392 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 14:26:55,396 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 14:26:55,399 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 14:26:55,401 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 14:26:55,406 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 14:26:55,408 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:26:55" (1/1) ... [2024-11-13 14:26:55,409 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45254626 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:26:55, skipping insertion in model container [2024-11-13 14:26:55,409 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:26:55" (1/1) ... [2024-11-13 14:26:55,485 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 14:26:55,754 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.safe_arbitrated_fifos_n2d8w8.c[1268,1281] [2024-11-13 14:26:56,273 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:26:56,291 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 14:26:56,305 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.safe_arbitrated_fifos_n2d8w8.c[1268,1281] [2024-11-13 14:26:56,522 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:26:56,546 INFO L204 MainTranslator]: Completed translation [2024-11-13 14:26:56,547 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:26:56 WrapperNode [2024-11-13 14:26:56,548 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 14:26:56,549 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 14:26:56,550 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 14:26:56,550 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 14:26:56,558 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:26:56" (1/1) ... [2024-11-13 14:26:56,624 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:26:56" (1/1) ... [2024-11-13 14:26:57,050 INFO L138 Inliner]: procedures = 18, calls = 41, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2370 [2024-11-13 14:26:57,051 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 14:26:57,052 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 14:26:57,052 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 14:26:57,052 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 14:26:57,063 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:26:56" (1/1) ... [2024-11-13 14:26:57,063 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:26:56" (1/1) ... [2024-11-13 14:26:57,219 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:26:56" (1/1) ... [2024-11-13 14:26:57,393 INFO L175 MemorySlicer]: Split 20 memory accesses to 3 slices as follows [2, 9, 9]. 45 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 8 writes are split as follows [0, 4, 4]. [2024-11-13 14:26:57,393 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:26:56" (1/1) ... [2024-11-13 14:26:57,393 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:26:56" (1/1) ... [2024-11-13 14:26:57,591 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:26:56" (1/1) ... [2024-11-13 14:26:57,638 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:26:56" (1/1) ... [2024-11-13 14:26:57,681 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:26:56" (1/1) ... [2024-11-13 14:26:57,724 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:26:56" (1/1) ... [2024-11-13 14:26:57,825 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 14:26:57,830 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 14:26:57,830 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 14:26:57,830 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 14:26:57,831 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:26:56" (1/1) ... [2024-11-13 14:26:57,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:26:57,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:26:57,886 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 14:26:57,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 14:26:57,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 14:26:57,979 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 14:26:57,980 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 14:26:57,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 14:26:57,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-13 14:26:57,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-13 14:26:57,980 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 14:26:57,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-13 14:26:57,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-13 14:26:57,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-13 14:26:57,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 14:26:57,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 14:26:57,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-13 14:26:57,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-13 14:26:57,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-13 14:26:57,982 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 14:26:58,475 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 14:26:58,477 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 14:27:03,124 INFO L? ?]: Removed 1283 outVars from TransFormulas that were not future-live. [2024-11-13 14:27:03,124 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 14:27:03,149 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 14:27:03,150 INFO L316 CfgBuilder]: Removed 7 assume(true) statements. [2024-11-13 14:27:03,150 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:27:03 BoogieIcfgContainer [2024-11-13 14:27:03,150 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 14:27:03,153 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 14:27:03,153 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 14:27:03,158 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 14:27:03,158 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:26:55" (1/3) ... [2024-11-13 14:27:03,159 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74eb5285 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:27:03, skipping insertion in model container [2024-11-13 14:27:03,159 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:26:56" (2/3) ... [2024-11-13 14:27:03,159 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74eb5285 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:27:03, skipping insertion in model container [2024-11-13 14:27:03,159 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:27:03" (3/3) ... [2024-11-13 14:27:03,161 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.safe_arbitrated_fifos_n2d8w8.c [2024-11-13 14:27:03,176 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 14:27:03,178 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.safe_arbitrated_fifos_n2d8w8.c that has 2 procedures, 746 locations, 1 initial locations, 7 loop locations, and 1 error locations. [2024-11-13 14:27:03,281 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 14:27:03,301 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@162d0e2f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 14:27:03,301 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 14:27:03,311 INFO L276 IsEmpty]: Start isEmpty. Operand has 746 states, 738 states have (on average 1.5013550135501355) internal successors, (1108), 739 states have internal predecessors, (1108), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-13 14:27:03,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2024-11-13 14:27:03,348 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:27:03,349 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:27:03,349 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:27:03,358 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:27:03,358 INFO L85 PathProgramCache]: Analyzing trace with hash 1845551170, now seen corresponding path program 1 times [2024-11-13 14:27:03,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:27:03,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518437384] [2024-11-13 14:27:03,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:27:03,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:27:03,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:04,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-13 14:27:04,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:04,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-13 14:27:04,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:04,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-13 14:27:04,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:04,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-13 14:27:04,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:04,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-13 14:27:04,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:04,292 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 14:27:04,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:27:04,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518437384] [2024-11-13 14:27:04,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [518437384] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:27:04,294 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:27:04,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:27:04,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186879878] [2024-11-13 14:27:04,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:27:04,306 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 14:27:04,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:27:04,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 14:27:04,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 14:27:04,343 INFO L87 Difference]: Start difference. First operand has 746 states, 738 states have (on average 1.5013550135501355) internal successors, (1108), 739 states have internal predecessors, (1108), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 2 states, 2 states have (on average 109.5) internal successors, (219), 2 states have internal predecessors, (219), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-13 14:27:04,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:27:04,483 INFO L93 Difference]: Finished difference Result 1482 states and 2228 transitions. [2024-11-13 14:27:04,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 14:27:04,486 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 109.5) internal successors, (219), 2 states have internal predecessors, (219), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) Word has length 241 [2024-11-13 14:27:04,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:27:04,519 INFO L225 Difference]: With dead ends: 1482 [2024-11-13 14:27:04,520 INFO L226 Difference]: Without dead ends: 743 [2024-11-13 14:27:04,529 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 14:27:04,533 INFO L432 NwaCegarLoop]: 1107 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1107 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:27:04,534 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1107 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:27:04,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 743 states. [2024-11-13 14:27:04,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 743 to 743. [2024-11-13 14:27:04,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 743 states, 736 states have (on average 1.4904891304347827) internal successors, (1097), 736 states have internal predecessors, (1097), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-13 14:27:04,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 743 states and 1107 transitions. [2024-11-13 14:27:04,685 INFO L78 Accepts]: Start accepts. Automaton has 743 states and 1107 transitions. Word has length 241 [2024-11-13 14:27:04,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:27:04,686 INFO L471 AbstractCegarLoop]: Abstraction has 743 states and 1107 transitions. [2024-11-13 14:27:04,687 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 109.5) internal successors, (219), 2 states have internal predecessors, (219), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-13 14:27:04,687 INFO L276 IsEmpty]: Start isEmpty. Operand 743 states and 1107 transitions. [2024-11-13 14:27:04,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2024-11-13 14:27:04,694 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:27:04,694 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:27:04,694 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 14:27:04,695 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:27:04,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:27:04,695 INFO L85 PathProgramCache]: Analyzing trace with hash -901378312, now seen corresponding path program 1 times [2024-11-13 14:27:04,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:27:04,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135721944] [2024-11-13 14:27:04,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:27:04,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:27:05,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:06,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-13 14:27:06,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:06,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-13 14:27:06,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:06,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-13 14:27:06,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:06,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-13 14:27:06,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:06,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-13 14:27:06,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:06,206 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 14:27:06,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:27:06,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135721944] [2024-11-13 14:27:06,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [135721944] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:27:06,210 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:27:06,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:27:06,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817523488] [2024-11-13 14:27:06,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:27:06,213 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:27:06,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:27:06,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:27:06,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:27:06,217 INFO L87 Difference]: Start difference. First operand 743 states and 1107 transitions. Second operand has 3 states, 3 states have (on average 73.0) internal successors, (219), 3 states have internal predecessors, (219), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-13 14:27:06,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:27:06,337 INFO L93 Difference]: Finished difference Result 1484 states and 2212 transitions. [2024-11-13 14:27:06,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:27:06,338 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 73.0) internal successors, (219), 3 states have internal predecessors, (219), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 241 [2024-11-13 14:27:06,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:27:06,346 INFO L225 Difference]: With dead ends: 1484 [2024-11-13 14:27:06,349 INFO L226 Difference]: Without dead ends: 748 [2024-11-13 14:27:06,351 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:27:06,353 INFO L432 NwaCegarLoop]: 1105 mSDtfsCounter, 6 mSDsluCounter, 1102 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 2207 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:27:06,356 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 2207 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:27:06,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 748 states. [2024-11-13 14:27:06,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 748 to 744. [2024-11-13 14:27:06,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 744 states, 737 states have (on average 1.4898236092265944) internal successors, (1098), 737 states have internal predecessors, (1098), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-13 14:27:06,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 1108 transitions. [2024-11-13 14:27:06,418 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 1108 transitions. Word has length 241 [2024-11-13 14:27:06,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:27:06,420 INFO L471 AbstractCegarLoop]: Abstraction has 744 states and 1108 transitions. [2024-11-13 14:27:06,420 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 73.0) internal successors, (219), 3 states have internal predecessors, (219), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-13 14:27:06,421 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 1108 transitions. [2024-11-13 14:27:06,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2024-11-13 14:27:06,428 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:27:06,429 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:27:06,429 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 14:27:06,430 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:27:06,430 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:27:06,432 INFO L85 PathProgramCache]: Analyzing trace with hash -419172766, now seen corresponding path program 1 times [2024-11-13 14:27:06,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:27:06,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107745013] [2024-11-13 14:27:06,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:27:06,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:27:06,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:07,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-13 14:27:07,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:07,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-13 14:27:07,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:07,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-13 14:27:07,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:07,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-13 14:27:07,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:07,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-13 14:27:07,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:07,569 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 14:27:07,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:27:07,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107745013] [2024-11-13 14:27:07,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107745013] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:27:07,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [450696252] [2024-11-13 14:27:07,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:27:07,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:27:07,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:27:07,579 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:27:07,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 14:27:08,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:08,466 INFO L255 TraceCheckSpWp]: Trace formula consists of 1111 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 14:27:08,488 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:27:08,575 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 14:27:08,575 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:27:08,690 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-11-13 14:27:08,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [450696252] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-13 14:27:08,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-13 14:27:08,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4, 4] total 6 [2024-11-13 14:27:08,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36423003] [2024-11-13 14:27:08,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:27:08,693 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:27:08,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:27:08,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:27:08,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-13 14:27:08,695 INFO L87 Difference]: Start difference. First operand 744 states and 1108 transitions. Second operand has 3 states, 3 states have (on average 74.0) internal successors, (222), 3 states have internal predecessors, (222), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-13 14:27:08,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:27:08,772 INFO L93 Difference]: Finished difference Result 1459 states and 2174 transitions. [2024-11-13 14:27:08,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:27:08,773 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 74.0) internal successors, (222), 3 states have internal predecessors, (222), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 244 [2024-11-13 14:27:08,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:27:08,778 INFO L225 Difference]: With dead ends: 1459 [2024-11-13 14:27:08,780 INFO L226 Difference]: Without dead ends: 745 [2024-11-13 14:27:08,781 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 500 GetRequests, 496 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-13 14:27:08,785 INFO L432 NwaCegarLoop]: 1105 mSDtfsCounter, 6 mSDsluCounter, 1096 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 2201 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:27:08,786 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 2201 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:27:08,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 745 states. [2024-11-13 14:27:08,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 745 to 745. [2024-11-13 14:27:08,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 745 states, 738 states have (on average 1.489159891598916) internal successors, (1099), 738 states have internal predecessors, (1099), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-13 14:27:08,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 745 states and 1109 transitions. [2024-11-13 14:27:08,853 INFO L78 Accepts]: Start accepts. Automaton has 745 states and 1109 transitions. Word has length 244 [2024-11-13 14:27:08,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:27:08,854 INFO L471 AbstractCegarLoop]: Abstraction has 745 states and 1109 transitions. [2024-11-13 14:27:08,854 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 74.0) internal successors, (222), 3 states have internal predecessors, (222), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-13 14:27:08,855 INFO L276 IsEmpty]: Start isEmpty. Operand 745 states and 1109 transitions. [2024-11-13 14:27:08,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2024-11-13 14:27:08,861 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:27:08,861 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:27:08,891 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-13 14:27:09,065 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:27:09,066 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:27:09,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:27:09,067 INFO L85 PathProgramCache]: Analyzing trace with hash 1276562241, now seen corresponding path program 1 times [2024-11-13 14:27:09,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:27:09,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059810672] [2024-11-13 14:27:09,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:27:09,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:27:09,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:09,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-13 14:27:09,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:09,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-13 14:27:09,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:09,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-13 14:27:09,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:09,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-13 14:27:09,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:09,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-13 14:27:09,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:09,958 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-11-13 14:27:09,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:27:09,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059810672] [2024-11-13 14:27:09,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1059810672] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:27:09,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1214685990] [2024-11-13 14:27:09,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:27:09,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:27:09,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:27:09,962 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:27:09,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 14:27:10,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:10,906 INFO L255 TraceCheckSpWp]: Trace formula consists of 1121 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 14:27:10,918 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:27:10,983 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-11-13 14:27:10,984 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:27:12,628 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-11-13 14:27:12,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1214685990] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 14:27:12,629 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 14:27:12,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 8] total 12 [2024-11-13 14:27:12,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127112309] [2024-11-13 14:27:12,630 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 14:27:12,631 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 14:27:12,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:27:12,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 14:27:12,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2024-11-13 14:27:12,634 INFO L87 Difference]: Start difference. First operand 745 states and 1109 transitions. Second operand has 12 states, 12 states have (on average 30.25) internal successors, (363), 12 states have internal predecessors, (363), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-13 14:27:15,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:27:15,845 INFO L93 Difference]: Finished difference Result 2102 states and 3133 transitions. [2024-11-13 14:27:15,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 14:27:15,847 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 30.25) internal successors, (363), 12 states have internal predecessors, (363), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 247 [2024-11-13 14:27:15,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:27:15,854 INFO L225 Difference]: With dead ends: 2102 [2024-11-13 14:27:15,855 INFO L226 Difference]: Without dead ends: 1365 [2024-11-13 14:27:15,857 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 507 GetRequests, 496 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2024-11-13 14:27:15,858 INFO L432 NwaCegarLoop]: 810 mSDtfsCounter, 6408 mSDsluCounter, 4780 mSDsCounter, 0 mSdLazyCounter, 2156 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6413 SdHoareTripleChecker+Valid, 5590 SdHoareTripleChecker+Invalid, 2168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 2156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-11-13 14:27:15,858 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6413 Valid, 5590 Invalid, 2168 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [12 Valid, 2156 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-11-13 14:27:15,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1365 states. [2024-11-13 14:27:15,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1365 to 978. [2024-11-13 14:27:15,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 978 states, 966 states have (on average 1.4865424430641823) internal successors, (1436), 966 states have internal predecessors, (1436), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 14:27:15,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 978 states to 978 states and 1456 transitions. [2024-11-13 14:27:15,917 INFO L78 Accepts]: Start accepts. Automaton has 978 states and 1456 transitions. Word has length 247 [2024-11-13 14:27:15,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:27:15,918 INFO L471 AbstractCegarLoop]: Abstraction has 978 states and 1456 transitions. [2024-11-13 14:27:15,919 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 30.25) internal successors, (363), 12 states have internal predecessors, (363), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-13 14:27:15,922 INFO L276 IsEmpty]: Start isEmpty. Operand 978 states and 1456 transitions. [2024-11-13 14:27:15,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2024-11-13 14:27:15,931 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:27:15,932 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:27:15,966 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-13 14:27:16,132 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:27:16,134 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:27:16,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:27:16,135 INFO L85 PathProgramCache]: Analyzing trace with hash 709072639, now seen corresponding path program 1 times [2024-11-13 14:27:16,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:27:16,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584054003] [2024-11-13 14:27:16,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:27:16,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:27:16,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:17,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-13 14:27:17,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:17,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-13 14:27:17,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:17,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-13 14:27:17,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:17,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-13 14:27:17,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:17,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-13 14:27:17,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:17,053 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-11-13 14:27:17,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:27:17,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584054003] [2024-11-13 14:27:17,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1584054003] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:27:17,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1162331316] [2024-11-13 14:27:17,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:27:17,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:27:17,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:27:17,058 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:27:17,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-13 14:27:17,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:17,887 INFO L255 TraceCheckSpWp]: Trace formula consists of 1134 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 14:27:17,897 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:27:17,968 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 14:27:17,969 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:27:18,055 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-13 14:27:18,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1162331316] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 14:27:18,056 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 14:27:18,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 4] total 9 [2024-11-13 14:27:18,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704624272] [2024-11-13 14:27:18,057 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 14:27:18,059 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 14:27:18,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:27:18,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 14:27:18,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-13 14:27:18,061 INFO L87 Difference]: Start difference. First operand 978 states and 1456 transitions. Second operand has 9 states, 9 states have (on average 28.444444444444443) internal successors, (256), 9 states have internal predecessors, (256), 1 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 14:27:18,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:27:18,228 INFO L93 Difference]: Finished difference Result 1982 states and 2956 transitions. [2024-11-13 14:27:18,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 14:27:18,229 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 28.444444444444443) internal successors, (256), 9 states have internal predecessors, (256), 1 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 251 [2024-11-13 14:27:18,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:27:18,234 INFO L225 Difference]: With dead ends: 1982 [2024-11-13 14:27:18,235 INFO L226 Difference]: Without dead ends: 1017 [2024-11-13 14:27:18,237 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 516 GetRequests, 508 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-13 14:27:18,238 INFO L432 NwaCegarLoop]: 1113 mSDtfsCounter, 52 mSDsluCounter, 4427 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 5540 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:27:18,238 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 5540 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:27:18,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1017 states. [2024-11-13 14:27:18,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1017 to 1013. [2024-11-13 14:27:18,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1013 states, 1001 states have (on average 1.4835164835164836) internal successors, (1485), 1001 states have internal predecessors, (1485), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 14:27:18,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1013 states to 1013 states and 1505 transitions. [2024-11-13 14:27:18,281 INFO L78 Accepts]: Start accepts. Automaton has 1013 states and 1505 transitions. Word has length 251 [2024-11-13 14:27:18,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:27:18,282 INFO L471 AbstractCegarLoop]: Abstraction has 1013 states and 1505 transitions. [2024-11-13 14:27:18,282 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 28.444444444444443) internal successors, (256), 9 states have internal predecessors, (256), 1 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 14:27:18,283 INFO L276 IsEmpty]: Start isEmpty. Operand 1013 states and 1505 transitions. [2024-11-13 14:27:18,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2024-11-13 14:27:18,288 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:27:18,289 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:27:18,317 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-13 14:27:18,493 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:27:18,493 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:27:18,493 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:27:18,494 INFO L85 PathProgramCache]: Analyzing trace with hash 855421736, now seen corresponding path program 2 times [2024-11-13 14:27:18,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:27:18,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985083170] [2024-11-13 14:27:18,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:27:18,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:27:18,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:19,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-13 14:27:19,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:19,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-13 14:27:19,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:19,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-13 14:27:19,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:19,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-13 14:27:19,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:19,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-13 14:27:19,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:19,398 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-11-13 14:27:19,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:27:19,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985083170] [2024-11-13 14:27:19,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985083170] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:27:19,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [163240880] [2024-11-13 14:27:19,399 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 14:27:19,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:27:19,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:27:19,402 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:27:19,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-13 14:27:20,049 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-13 14:27:20,049 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 14:27:20,055 INFO L255 TraceCheckSpWp]: Trace formula consists of 784 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 14:27:20,065 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:27:20,567 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2024-11-13 14:27:20,568 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 14:27:20,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [163240880] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:27:20,568 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 14:27:20,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2024-11-13 14:27:20,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42620641] [2024-11-13 14:27:20,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:27:20,569 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 14:27:20,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:27:20,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 14:27:20,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-13 14:27:20,571 INFO L87 Difference]: Start difference. First operand 1013 states and 1505 transitions. Second operand has 6 states, 6 states have (on average 37.666666666666664) internal successors, (226), 6 states have internal predecessors, (226), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-13 14:27:21,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:27:21,926 INFO L93 Difference]: Finished difference Result 1814 states and 2699 transitions. [2024-11-13 14:27:21,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 14:27:21,927 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 37.666666666666664) internal successors, (226), 6 states have internal predecessors, (226), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 263 [2024-11-13 14:27:21,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:27:21,932 INFO L225 Difference]: With dead ends: 1814 [2024-11-13 14:27:21,932 INFO L226 Difference]: Without dead ends: 1021 [2024-11-13 14:27:21,934 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 270 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2024-11-13 14:27:21,937 INFO L432 NwaCegarLoop]: 800 mSDtfsCounter, 1045 mSDsluCounter, 2389 mSDsCounter, 0 mSdLazyCounter, 1240 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1050 SdHoareTripleChecker+Valid, 3189 SdHoareTripleChecker+Invalid, 1242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-13 14:27:21,939 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1050 Valid, 3189 Invalid, 1242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1240 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-13 14:27:21,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1021 states. [2024-11-13 14:27:21,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1021 to 1019. [2024-11-13 14:27:21,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1019 states, 1007 states have (on average 1.4786494538232373) internal successors, (1489), 1007 states have internal predecessors, (1489), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 14:27:21,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1019 states to 1019 states and 1509 transitions. [2024-11-13 14:27:21,990 INFO L78 Accepts]: Start accepts. Automaton has 1019 states and 1509 transitions. Word has length 263 [2024-11-13 14:27:21,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:27:21,990 INFO L471 AbstractCegarLoop]: Abstraction has 1019 states and 1509 transitions. [2024-11-13 14:27:21,991 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 37.666666666666664) internal successors, (226), 6 states have internal predecessors, (226), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-13 14:27:21,991 INFO L276 IsEmpty]: Start isEmpty. Operand 1019 states and 1509 transitions. [2024-11-13 14:27:21,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2024-11-13 14:27:21,996 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:27:21,997 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:27:22,025 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-13 14:27:22,197 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:27:22,198 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:27:22,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:27:22,199 INFO L85 PathProgramCache]: Analyzing trace with hash 1250867723, now seen corresponding path program 1 times [2024-11-13 14:27:22,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:27:22,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440767754] [2024-11-13 14:27:22,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:27:22,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:27:22,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:22,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-13 14:27:22,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:22,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-13 14:27:22,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:22,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-13 14:27:22,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:22,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-13 14:27:22,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:22,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-13 14:27:22,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:22,972 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-11-13 14:27:22,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:27:22,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440767754] [2024-11-13 14:27:22,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [440767754] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:27:22,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1301833549] [2024-11-13 14:27:22,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:27:22,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:27:22,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:27:22,976 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:27:22,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-13 14:27:23,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:23,732 INFO L255 TraceCheckSpWp]: Trace formula consists of 1178 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 14:27:23,740 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:27:23,784 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-11-13 14:27:23,784 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:27:24,058 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 10 proven. 24 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 14:27:24,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1301833549] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 14:27:24,058 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 14:27:24,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 10] total 15 [2024-11-13 14:27:24,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461073615] [2024-11-13 14:27:24,059 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 14:27:24,060 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-13 14:27:24,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:27:24,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-13 14:27:24,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2024-11-13 14:27:24,063 INFO L87 Difference]: Start difference. First operand 1019 states and 1509 transitions. Second operand has 15 states, 15 states have (on average 17.4) internal successors, (261), 15 states have internal predecessors, (261), 1 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 14:27:24,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:27:24,375 INFO L93 Difference]: Finished difference Result 2045 states and 3033 transitions. [2024-11-13 14:27:24,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 14:27:24,376 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 17.4) internal successors, (261), 15 states have internal predecessors, (261), 1 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 265 [2024-11-13 14:27:24,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:27:24,382 INFO L225 Difference]: With dead ends: 2045 [2024-11-13 14:27:24,382 INFO L226 Difference]: Without dead ends: 1044 [2024-11-13 14:27:24,385 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 547 GetRequests, 531 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2024-11-13 14:27:24,386 INFO L432 NwaCegarLoop]: 1119 mSDtfsCounter, 90 mSDsluCounter, 11108 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 12227 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:27:24,387 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 12227 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:27:24,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1044 states. [2024-11-13 14:27:24,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1044 to 1044. [2024-11-13 14:27:24,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1044 states, 1032 states have (on average 1.4767441860465116) internal successors, (1524), 1032 states have internal predecessors, (1524), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 14:27:24,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1044 states to 1044 states and 1544 transitions. [2024-11-13 14:27:24,432 INFO L78 Accepts]: Start accepts. Automaton has 1044 states and 1544 transitions. Word has length 265 [2024-11-13 14:27:24,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:27:24,432 INFO L471 AbstractCegarLoop]: Abstraction has 1044 states and 1544 transitions. [2024-11-13 14:27:24,432 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 17.4) internal successors, (261), 15 states have internal predecessors, (261), 1 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 14:27:24,433 INFO L276 IsEmpty]: Start isEmpty. Operand 1044 states and 1544 transitions. [2024-11-13 14:27:24,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2024-11-13 14:27:24,438 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:27:24,439 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 5, 5, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:27:24,467 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-13 14:27:24,643 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:27:24,643 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:27:24,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:27:24,644 INFO L85 PathProgramCache]: Analyzing trace with hash -735773707, now seen corresponding path program 2 times [2024-11-13 14:27:24,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:27:24,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831644355] [2024-11-13 14:27:24,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:27:24,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:27:24,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:25,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-13 14:27:25,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:25,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-13 14:27:25,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:25,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 14:27:25,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:25,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-13 14:27:25,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:25,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-13 14:27:25,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:25,469 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2024-11-13 14:27:25,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:27:25,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831644355] [2024-11-13 14:27:25,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [831644355] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:27:25,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [705718642] [2024-11-13 14:27:25,469 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 14:27:25,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:27:25,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:27:25,474 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:27:25,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-13 14:27:26,198 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-13 14:27:26,198 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 14:27:26,206 INFO L255 TraceCheckSpWp]: Trace formula consists of 788 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 14:27:26,213 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:27:27,050 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2024-11-13 14:27:27,050 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 14:27:27,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [705718642] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:27:27,050 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 14:27:27,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2024-11-13 14:27:27,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665045744] [2024-11-13 14:27:27,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:27:27,052 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 14:27:27,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:27:27,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 14:27:27,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-13 14:27:27,053 INFO L87 Difference]: Start difference. First operand 1044 states and 1544 transitions. Second operand has 4 states, 4 states have (on average 57.0) internal successors, (228), 4 states have internal predecessors, (228), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-13 14:27:27,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:27:27,378 INFO L93 Difference]: Finished difference Result 1702 states and 2521 transitions. [2024-11-13 14:27:27,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 14:27:27,379 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 57.0) internal successors, (228), 4 states have internal predecessors, (228), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 280 [2024-11-13 14:27:27,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:27:27,387 INFO L225 Difference]: With dead ends: 1702 [2024-11-13 14:27:27,387 INFO L226 Difference]: Without dead ends: 1044 [2024-11-13 14:27:27,388 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 296 GetRequests, 289 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-13 14:27:27,389 INFO L432 NwaCegarLoop]: 1005 mSDtfsCounter, 963 mSDsluCounter, 1007 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 963 SdHoareTripleChecker+Valid, 2012 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 14:27:27,389 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [963 Valid, 2012 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 14:27:27,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1044 states. [2024-11-13 14:27:27,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1044 to 1044. [2024-11-13 14:27:27,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1044 states, 1032 states have (on average 1.4728682170542635) internal successors, (1520), 1032 states have internal predecessors, (1520), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 14:27:27,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1044 states to 1044 states and 1540 transitions. [2024-11-13 14:27:27,434 INFO L78 Accepts]: Start accepts. Automaton has 1044 states and 1540 transitions. Word has length 280 [2024-11-13 14:27:27,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:27:27,437 INFO L471 AbstractCegarLoop]: Abstraction has 1044 states and 1540 transitions. [2024-11-13 14:27:27,437 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 57.0) internal successors, (228), 4 states have internal predecessors, (228), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-13 14:27:27,437 INFO L276 IsEmpty]: Start isEmpty. Operand 1044 states and 1540 transitions. [2024-11-13 14:27:27,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2024-11-13 14:27:27,444 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:27:27,444 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 5, 5, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:27:27,473 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-13 14:27:27,645 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:27:27,646 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:27:27,647 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:27:27,647 INFO L85 PathProgramCache]: Analyzing trace with hash -1392691656, now seen corresponding path program 1 times [2024-11-13 14:27:27,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:27:27,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551712869] [2024-11-13 14:27:27,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:27:27,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:27:27,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:28,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-13 14:27:28,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:28,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-13 14:27:28,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:28,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 14:27:28,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:28,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-13 14:27:28,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:28,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-13 14:27:28,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:28,466 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2024-11-13 14:27:28,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:27:28,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551712869] [2024-11-13 14:27:28,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [551712869] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:27:28,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1169502426] [2024-11-13 14:27:28,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:27:28,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:27:28,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:27:28,470 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:27:28,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-13 14:27:29,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:29,350 INFO L255 TraceCheckSpWp]: Trace formula consists of 1232 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-13 14:27:29,359 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:27:30,106 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-11-13 14:27:30,106 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:27:30,397 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2024-11-13 14:27:30,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1169502426] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-13 14:27:30,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-13 14:27:30,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7, 14] total 22 [2024-11-13 14:27:30,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013676355] [2024-11-13 14:27:30,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:27:30,399 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 14:27:30,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:27:30,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 14:27:30,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=393, Unknown=0, NotChecked=0, Total=462 [2024-11-13 14:27:30,401 INFO L87 Difference]: Start difference. First operand 1044 states and 1540 transitions. Second operand has 5 states, 5 states have (on average 46.0) internal successors, (230), 5 states have internal predecessors, (230), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-13 14:27:30,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:27:30,786 INFO L93 Difference]: Finished difference Result 1696 states and 2507 transitions. [2024-11-13 14:27:30,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 14:27:30,787 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 46.0) internal successors, (230), 5 states have internal predecessors, (230), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 282 [2024-11-13 14:27:30,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:27:30,793 INFO L225 Difference]: With dead ends: 1696 [2024-11-13 14:27:30,793 INFO L226 Difference]: Without dead ends: 1044 [2024-11-13 14:27:30,795 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 580 GetRequests, 559 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=74, Invalid=432, Unknown=0, NotChecked=0, Total=506 [2024-11-13 14:27:30,796 INFO L432 NwaCegarLoop]: 1005 mSDtfsCounter, 2137 mSDsluCounter, 1007 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2142 SdHoareTripleChecker+Valid, 2012 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 14:27:30,796 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2142 Valid, 2012 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 14:27:30,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1044 states. [2024-11-13 14:27:30,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1044 to 1044. [2024-11-13 14:27:30,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1044 states, 1032 states have (on average 1.4718992248062015) internal successors, (1519), 1032 states have internal predecessors, (1519), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 14:27:30,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1044 states to 1044 states and 1539 transitions. [2024-11-13 14:27:30,838 INFO L78 Accepts]: Start accepts. Automaton has 1044 states and 1539 transitions. Word has length 282 [2024-11-13 14:27:30,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:27:30,839 INFO L471 AbstractCegarLoop]: Abstraction has 1044 states and 1539 transitions. [2024-11-13 14:27:30,840 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 46.0) internal successors, (230), 5 states have internal predecessors, (230), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-13 14:27:30,840 INFO L276 IsEmpty]: Start isEmpty. Operand 1044 states and 1539 transitions. [2024-11-13 14:27:30,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2024-11-13 14:27:30,845 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:27:30,845 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 5, 5, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:27:30,873 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-13 14:27:31,050 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:27:31,051 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:27:31,051 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:27:31,051 INFO L85 PathProgramCache]: Analyzing trace with hash 804298593, now seen corresponding path program 1 times [2024-11-13 14:27:31,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:27:31,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285394128] [2024-11-13 14:27:31,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:27:31,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:27:31,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:31,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-13 14:27:31,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:31,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-13 14:27:31,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:31,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 14:27:31,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:31,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-13 14:27:31,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:31,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-13 14:27:31,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:31,737 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2024-11-13 14:27:31,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:27:31,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285394128] [2024-11-13 14:27:31,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285394128] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:27:31,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [305400218] [2024-11-13 14:27:31,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:27:31,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:27:31,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:27:31,741 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:27:31,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-13 14:27:32,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:32,578 INFO L255 TraceCheckSpWp]: Trace formula consists of 1235 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-13 14:27:32,589 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:27:32,745 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-11-13 14:27:32,745 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:27:32,943 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2024-11-13 14:27:32,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [305400218] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 14:27:32,943 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 14:27:32,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 12, 7] total 18 [2024-11-13 14:27:32,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181582339] [2024-11-13 14:27:32,944 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 14:27:32,945 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-13 14:27:32,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:27:32,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-13 14:27:32,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=240, Unknown=0, NotChecked=0, Total=306 [2024-11-13 14:27:32,947 INFO L87 Difference]: Start difference. First operand 1044 states and 1539 transitions. Second operand has 18 states, 18 states have (on average 15.166666666666666) internal successors, (273), 18 states have internal predecessors, (273), 1 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 14:27:33,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:27:33,293 INFO L93 Difference]: Finished difference Result 2025 states and 2996 transitions. [2024-11-13 14:27:33,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-13 14:27:33,294 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 15.166666666666666) internal successors, (273), 18 states have internal predecessors, (273), 1 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 283 [2024-11-13 14:27:33,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:27:33,300 INFO L225 Difference]: With dead ends: 2025 [2024-11-13 14:27:33,300 INFO L226 Difference]: Without dead ends: 1084 [2024-11-13 14:27:33,303 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 583 GetRequests, 565 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=88, Invalid=292, Unknown=0, NotChecked=0, Total=380 [2024-11-13 14:27:33,307 INFO L432 NwaCegarLoop]: 1139 mSDtfsCounter, 130 mSDsluCounter, 12425 mSDsCounter, 0 mSdLazyCounter, 252 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 13564 SdHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 14:27:33,308 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 13564 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 252 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 14:27:33,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1084 states. [2024-11-13 14:27:33,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1084 to 1084. [2024-11-13 14:27:33,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1084 states, 1072 states have (on average 1.4692164179104477) internal successors, (1575), 1072 states have internal predecessors, (1575), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 14:27:33,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1084 states to 1084 states and 1595 transitions. [2024-11-13 14:27:33,356 INFO L78 Accepts]: Start accepts. Automaton has 1084 states and 1595 transitions. Word has length 283 [2024-11-13 14:27:33,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:27:33,356 INFO L471 AbstractCegarLoop]: Abstraction has 1084 states and 1595 transitions. [2024-11-13 14:27:33,357 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 15.166666666666666) internal successors, (273), 18 states have internal predecessors, (273), 1 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-13 14:27:33,357 INFO L276 IsEmpty]: Start isEmpty. Operand 1084 states and 1595 transitions. [2024-11-13 14:27:33,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2024-11-13 14:27:33,363 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:27:33,363 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:27:33,393 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-13 14:27:33,567 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-13 14:27:33,567 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:27:33,568 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:27:33,568 INFO L85 PathProgramCache]: Analyzing trace with hash -1479514719, now seen corresponding path program 2 times [2024-11-13 14:27:33,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:27:33,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057636563] [2024-11-13 14:27:33,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:27:33,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:27:33,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:34,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-13 14:27:34,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:34,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-13 14:27:34,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:34,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-13 14:27:34,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:34,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-13 14:27:34,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:34,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-13 14:27:34,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:34,604 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2024-11-13 14:27:34,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:27:34,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057636563] [2024-11-13 14:27:34,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2057636563] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:27:34,605 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:27:34,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 14:27:34,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078058281] [2024-11-13 14:27:34,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:27:34,606 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 14:27:34,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:27:34,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 14:27:34,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 14:27:34,607 INFO L87 Difference]: Start difference. First operand 1084 states and 1595 transitions. Second operand has 4 states, 4 states have (on average 57.75) internal successors, (231), 4 states have internal predecessors, (231), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-13 14:27:34,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:27:34,657 INFO L93 Difference]: Finished difference Result 1088 states and 1599 transitions. [2024-11-13 14:27:34,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 14:27:34,658 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 57.75) internal successors, (231), 4 states have internal predecessors, (231), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 295 [2024-11-13 14:27:34,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:27:34,664 INFO L225 Difference]: With dead ends: 1088 [2024-11-13 14:27:34,664 INFO L226 Difference]: Without dead ends: 1086 [2024-11-13 14:27:34,665 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 14:27:34,666 INFO L432 NwaCegarLoop]: 1101 mSDtfsCounter, 0 mSDsluCounter, 2196 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3297 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:27:34,666 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3297 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:27:34,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1086 states. [2024-11-13 14:27:34,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1086 to 1086. [2024-11-13 14:27:34,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1086 states, 1074 states have (on average 1.468342644320298) internal successors, (1577), 1074 states have internal predecessors, (1577), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 14:27:34,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1086 states to 1086 states and 1597 transitions. [2024-11-13 14:27:34,715 INFO L78 Accepts]: Start accepts. Automaton has 1086 states and 1597 transitions. Word has length 295 [2024-11-13 14:27:34,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:27:34,716 INFO L471 AbstractCegarLoop]: Abstraction has 1086 states and 1597 transitions. [2024-11-13 14:27:34,716 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 57.75) internal successors, (231), 4 states have internal predecessors, (231), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-13 14:27:34,717 INFO L276 IsEmpty]: Start isEmpty. Operand 1086 states and 1597 transitions. [2024-11-13 14:27:34,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2024-11-13 14:27:34,723 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:27:34,723 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:27:34,723 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-13 14:27:34,724 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:27:34,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:27:34,724 INFO L85 PathProgramCache]: Analyzing trace with hash 1381380501, now seen corresponding path program 1 times [2024-11-13 14:27:34,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:27:34,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295561036] [2024-11-13 14:27:34,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:27:34,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:27:34,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:35,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-13 14:27:35,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:35,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-13 14:27:35,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:35,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-13 14:27:35,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:35,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-13 14:27:35,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:35,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-13 14:27:35,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:35,505 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2024-11-13 14:27:35,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:27:35,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295561036] [2024-11-13 14:27:35,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295561036] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:27:35,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:27:35,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 14:27:35,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025051328] [2024-11-13 14:27:35,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:27:35,509 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 14:27:35,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:27:35,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 14:27:35,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 14:27:35,511 INFO L87 Difference]: Start difference. First operand 1086 states and 1597 transitions. Second operand has 4 states, 4 states have (on average 58.0) internal successors, (232), 4 states have internal predecessors, (232), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-13 14:27:35,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:27:35,584 INFO L93 Difference]: Finished difference Result 1742 states and 2568 transitions. [2024-11-13 14:27:35,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 14:27:35,585 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 58.0) internal successors, (232), 4 states have internal predecessors, (232), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 296 [2024-11-13 14:27:35,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:27:35,591 INFO L225 Difference]: With dead ends: 1742 [2024-11-13 14:27:35,591 INFO L226 Difference]: Without dead ends: 1088 [2024-11-13 14:27:35,593 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 14:27:35,594 INFO L432 NwaCegarLoop]: 1101 mSDtfsCounter, 0 mSDsluCounter, 2192 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3293 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:27:35,595 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3293 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:27:35,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1088 states. [2024-11-13 14:27:35,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1088 to 1088. [2024-11-13 14:27:35,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1088 states, 1076 states have (on average 1.4674721189591078) internal successors, (1579), 1076 states have internal predecessors, (1579), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 14:27:35,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1088 states to 1088 states and 1599 transitions. [2024-11-13 14:27:35,644 INFO L78 Accepts]: Start accepts. Automaton has 1088 states and 1599 transitions. Word has length 296 [2024-11-13 14:27:35,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:27:35,647 INFO L471 AbstractCegarLoop]: Abstraction has 1088 states and 1599 transitions. [2024-11-13 14:27:35,647 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 58.0) internal successors, (232), 4 states have internal predecessors, (232), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-13 14:27:35,647 INFO L276 IsEmpty]: Start isEmpty. Operand 1088 states and 1599 transitions. [2024-11-13 14:27:35,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2024-11-13 14:27:35,650 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:27:35,650 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:27:35,651 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-13 14:27:35,651 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:27:35,651 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:27:35,651 INFO L85 PathProgramCache]: Analyzing trace with hash -1224841990, now seen corresponding path program 1 times [2024-11-13 14:27:35,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:27:35,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470986658] [2024-11-13 14:27:35,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:27:35,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:27:35,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:36,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-13 14:27:36,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:36,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-13 14:27:36,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:36,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-13 14:27:36,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:36,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-13 14:27:36,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:36,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-13 14:27:36,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:36,965 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2024-11-13 14:27:36,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:27:36,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470986658] [2024-11-13 14:27:36,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [470986658] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:27:36,966 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:27:36,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 14:27:36,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542092720] [2024-11-13 14:27:36,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:27:36,968 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 14:27:36,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:27:36,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 14:27:36,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 14:27:36,969 INFO L87 Difference]: Start difference. First operand 1088 states and 1599 transitions. Second operand has 4 states, 4 states have (on average 58.25) internal successors, (233), 4 states have internal predecessors, (233), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-13 14:27:37,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:27:37,331 INFO L93 Difference]: Finished difference Result 1744 states and 2569 transitions. [2024-11-13 14:27:37,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 14:27:37,332 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 58.25) internal successors, (233), 4 states have internal predecessors, (233), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 297 [2024-11-13 14:27:37,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:27:37,338 INFO L225 Difference]: With dead ends: 1744 [2024-11-13 14:27:37,339 INFO L226 Difference]: Without dead ends: 1088 [2024-11-13 14:27:37,340 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 14:27:37,341 INFO L432 NwaCegarLoop]: 1005 mSDtfsCounter, 942 mSDsluCounter, 1007 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 942 SdHoareTripleChecker+Valid, 2012 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 14:27:37,341 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [942 Valid, 2012 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 14:27:37,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1088 states. [2024-11-13 14:27:37,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1088 to 1088. [2024-11-13 14:27:37,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1088 states, 1076 states have (on average 1.466542750929368) internal successors, (1578), 1076 states have internal predecessors, (1578), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 14:27:37,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1088 states to 1088 states and 1598 transitions. [2024-11-13 14:27:37,406 INFO L78 Accepts]: Start accepts. Automaton has 1088 states and 1598 transitions. Word has length 297 [2024-11-13 14:27:37,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:27:37,407 INFO L471 AbstractCegarLoop]: Abstraction has 1088 states and 1598 transitions. [2024-11-13 14:27:37,407 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 58.25) internal successors, (233), 4 states have internal predecessors, (233), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-13 14:27:37,407 INFO L276 IsEmpty]: Start isEmpty. Operand 1088 states and 1598 transitions. [2024-11-13 14:27:37,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2024-11-13 14:27:37,413 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:27:37,413 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:27:37,413 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-13 14:27:37,413 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:27:37,414 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:27:37,414 INFO L85 PathProgramCache]: Analyzing trace with hash 397118542, now seen corresponding path program 1 times [2024-11-13 14:27:37,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:27:37,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043467877] [2024-11-13 14:27:37,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:27:37,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:27:38,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:39,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-13 14:27:39,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:39,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-13 14:27:39,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:39,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-13 14:27:39,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:39,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-13 14:27:39,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:39,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-13 14:27:39,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:39,834 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2024-11-13 14:27:39,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:27:39,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043467877] [2024-11-13 14:27:39,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2043467877] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:27:39,835 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:27:39,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 14:27:39,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052022117] [2024-11-13 14:27:39,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:27:39,837 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 14:27:39,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:27:39,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 14:27:39,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-13 14:27:39,839 INFO L87 Difference]: Start difference. First operand 1088 states and 1598 transitions. Second operand has 6 states, 6 states have (on average 39.0) internal successors, (234), 6 states have internal predecessors, (234), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-13 14:27:40,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:27:40,065 INFO L93 Difference]: Finished difference Result 2075 states and 3057 transitions. [2024-11-13 14:27:40,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 14:27:40,066 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 39.0) internal successors, (234), 6 states have internal predecessors, (234), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 298 [2024-11-13 14:27:40,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:27:40,073 INFO L225 Difference]: With dead ends: 2075 [2024-11-13 14:27:40,073 INFO L226 Difference]: Without dead ends: 1419 [2024-11-13 14:27:40,075 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-13 14:27:40,076 INFO L432 NwaCegarLoop]: 1085 mSDtfsCounter, 1818 mSDsluCounter, 3249 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1823 SdHoareTripleChecker+Valid, 4334 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:27:40,076 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1823 Valid, 4334 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:27:40,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1419 states. [2024-11-13 14:27:40,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1419 to 1419. [2024-11-13 14:27:40,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1419 states, 1402 states have (on average 1.4671897289586304) internal successors, (2057), 1402 states have internal predecessors, (2057), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-13 14:27:40,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1419 states to 1419 states and 2087 transitions. [2024-11-13 14:27:40,142 INFO L78 Accepts]: Start accepts. Automaton has 1419 states and 2087 transitions. Word has length 298 [2024-11-13 14:27:40,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:27:40,143 INFO L471 AbstractCegarLoop]: Abstraction has 1419 states and 2087 transitions. [2024-11-13 14:27:40,143 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 39.0) internal successors, (234), 6 states have internal predecessors, (234), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-13 14:27:40,143 INFO L276 IsEmpty]: Start isEmpty. Operand 1419 states and 2087 transitions. [2024-11-13 14:27:40,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 658 [2024-11-13 14:27:40,153 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:27:40,153 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:27:40,154 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-13 14:27:40,154 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:27:40,154 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:27:40,155 INFO L85 PathProgramCache]: Analyzing trace with hash 624792328, now seen corresponding path program 1 times [2024-11-13 14:27:40,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:27:40,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037355326] [2024-11-13 14:27:40,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:27:40,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:27:40,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:41,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-13 14:27:41,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:41,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-13 14:27:41,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:41,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-13 14:27:41,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:41,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-13 14:27:41,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:41,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-13 14:27:41,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:41,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2024-11-13 14:27:41,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:41,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 477 [2024-11-13 14:27:41,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:41,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2024-11-13 14:27:41,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:41,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2024-11-13 14:27:41,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:41,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 537 [2024-11-13 14:27:41,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:41,754 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-13 14:27:41,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:27:41,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037355326] [2024-11-13 14:27:41,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037355326] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:27:41,754 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:27:41,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:27:41,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477093526] [2024-11-13 14:27:41,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:27:41,756 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:27:41,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:27:41,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:27:41,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:27:41,761 INFO L87 Difference]: Start difference. First operand 1419 states and 2087 transitions. Second operand has 3 states, 3 states have (on average 189.33333333333334) internal successors, (568), 3 states have internal predecessors, (568), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 14:27:41,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:27:41,820 INFO L93 Difference]: Finished difference Result 2076 states and 3058 transitions. [2024-11-13 14:27:41,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:27:41,821 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 189.33333333333334) internal successors, (568), 3 states have internal predecessors, (568), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 657 [2024-11-13 14:27:41,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:27:41,830 INFO L225 Difference]: With dead ends: 2076 [2024-11-13 14:27:41,830 INFO L226 Difference]: Without dead ends: 1420 [2024-11-13 14:27:41,832 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:27:41,834 INFO L432 NwaCegarLoop]: 1101 mSDtfsCounter, 0 mSDsluCounter, 1097 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2198 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:27:41,835 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2198 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:27:41,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1420 states. [2024-11-13 14:27:41,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1420 to 1420. [2024-11-13 14:27:41,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1420 states, 1403 states have (on average 1.4668567355666429) internal successors, (2058), 1403 states have internal predecessors, (2058), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-13 14:27:41,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1420 states to 1420 states and 2088 transitions. [2024-11-13 14:27:41,895 INFO L78 Accepts]: Start accepts. Automaton has 1420 states and 2088 transitions. Word has length 657 [2024-11-13 14:27:41,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:27:41,896 INFO L471 AbstractCegarLoop]: Abstraction has 1420 states and 2088 transitions. [2024-11-13 14:27:41,896 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 189.33333333333334) internal successors, (568), 3 states have internal predecessors, (568), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 14:27:41,897 INFO L276 IsEmpty]: Start isEmpty. Operand 1420 states and 2088 transitions. [2024-11-13 14:27:41,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 659 [2024-11-13 14:27:41,904 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:27:41,905 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:27:41,905 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-13 14:27:41,905 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:27:41,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:27:41,906 INFO L85 PathProgramCache]: Analyzing trace with hash -1391209925, now seen corresponding path program 1 times [2024-11-13 14:27:41,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:27:41,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115204887] [2024-11-13 14:27:41,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:27:41,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:27:42,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:43,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-13 14:27:43,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:43,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-13 14:27:43,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:43,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-13 14:27:43,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:43,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-13 14:27:43,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:43,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-13 14:27:43,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:43,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2024-11-13 14:27:43,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:43,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 478 [2024-11-13 14:27:43,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:43,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 504 [2024-11-13 14:27:43,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:43,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 528 [2024-11-13 14:27:43,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:43,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2024-11-13 14:27:43,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:43,554 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 180 proven. 1 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-13 14:27:43,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:27:43,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115204887] [2024-11-13 14:27:43,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2115204887] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:27:43,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [376047036] [2024-11-13 14:27:43,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:27:43,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:27:43,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:27:43,558 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:27:43,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-13 14:27:45,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:45,216 INFO L255 TraceCheckSpWp]: Trace formula consists of 3345 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 14:27:45,236 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:27:46,735 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 280 proven. 0 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2024-11-13 14:27:46,735 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 14:27:46,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [376047036] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:27:46,736 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 14:27:46,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2024-11-13 14:27:46,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296956959] [2024-11-13 14:27:46,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:27:46,738 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 14:27:46,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:27:46,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 14:27:46,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-13 14:27:46,740 INFO L87 Difference]: Start difference. First operand 1420 states and 2088 transitions. Second operand has 4 states, 4 states have (on average 143.0) internal successors, (572), 4 states have internal predecessors, (572), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 14:27:47,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:27:47,490 INFO L93 Difference]: Finished difference Result 2076 states and 3057 transitions. [2024-11-13 14:27:47,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 14:27:47,491 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 143.0) internal successors, (572), 4 states have internal predecessors, (572), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 658 [2024-11-13 14:27:47,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:27:47,500 INFO L225 Difference]: With dead ends: 2076 [2024-11-13 14:27:47,500 INFO L226 Difference]: Without dead ends: 1419 [2024-11-13 14:27:47,502 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 682 GetRequests, 677 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-13 14:27:47,503 INFO L432 NwaCegarLoop]: 801 mSDtfsCounter, 830 mSDsluCounter, 803 mSDsCounter, 0 mSdLazyCounter, 601 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 830 SdHoareTripleChecker+Valid, 1604 SdHoareTripleChecker+Invalid, 602 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 601 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-13 14:27:47,503 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [830 Valid, 1604 Invalid, 602 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 601 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-13 14:27:47,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1419 states. [2024-11-13 14:27:47,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1419 to 1419. [2024-11-13 14:27:47,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1419 states, 1402 states have (on average 1.4657631954350927) internal successors, (2055), 1402 states have internal predecessors, (2055), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-13 14:27:47,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1419 states to 1419 states and 2085 transitions. [2024-11-13 14:27:47,573 INFO L78 Accepts]: Start accepts. Automaton has 1419 states and 2085 transitions. Word has length 658 [2024-11-13 14:27:47,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:27:47,574 INFO L471 AbstractCegarLoop]: Abstraction has 1419 states and 2085 transitions. [2024-11-13 14:27:47,575 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 143.0) internal successors, (572), 4 states have internal predecessors, (572), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 14:27:47,575 INFO L276 IsEmpty]: Start isEmpty. Operand 1419 states and 2085 transitions. [2024-11-13 14:27:47,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 660 [2024-11-13 14:27:47,587 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:27:47,588 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:27:47,622 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-13 14:27:47,788 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-13 14:27:47,789 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:27:47,789 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:27:47,790 INFO L85 PathProgramCache]: Analyzing trace with hash 1313355013, now seen corresponding path program 1 times [2024-11-13 14:27:47,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:27:47,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722324280] [2024-11-13 14:27:47,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:27:47,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:27:48,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:49,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-13 14:27:49,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:49,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-13 14:27:49,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:49,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-13 14:27:49,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:49,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-13 14:27:49,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:49,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-13 14:27:49,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:49,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2024-11-13 14:27:49,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:49,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 479 [2024-11-13 14:27:49,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:49,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 505 [2024-11-13 14:27:49,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:49,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2024-11-13 14:27:49,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:49,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 539 [2024-11-13 14:27:49,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:49,410 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 180 proven. 1 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-13 14:27:49,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:27:49,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722324280] [2024-11-13 14:27:49,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1722324280] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:27:49,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1838838013] [2024-11-13 14:27:49,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:27:49,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:27:49,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:27:49,414 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:27:49,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-13 14:27:50,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:50,916 INFO L255 TraceCheckSpWp]: Trace formula consists of 3348 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 14:27:50,926 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:27:52,193 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 280 proven. 0 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2024-11-13 14:27:52,193 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 14:27:52,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1838838013] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:27:52,193 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 14:27:52,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2024-11-13 14:27:52,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202162746] [2024-11-13 14:27:52,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:27:52,195 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 14:27:52,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:27:52,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 14:27:52,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-13 14:27:52,196 INFO L87 Difference]: Start difference. First operand 1419 states and 2085 transitions. Second operand has 4 states, 4 states have (on average 143.25) internal successors, (573), 4 states have internal predecessors, (573), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 14:27:52,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:27:52,846 INFO L93 Difference]: Finished difference Result 2074 states and 3051 transitions. [2024-11-13 14:27:52,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 14:27:52,847 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 143.25) internal successors, (573), 4 states have internal predecessors, (573), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 659 [2024-11-13 14:27:52,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:27:52,853 INFO L225 Difference]: With dead ends: 2074 [2024-11-13 14:27:52,854 INFO L226 Difference]: Without dead ends: 1418 [2024-11-13 14:27:52,856 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 683 GetRequests, 678 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-13 14:27:52,858 INFO L432 NwaCegarLoop]: 801 mSDtfsCounter, 822 mSDsluCounter, 803 mSDsCounter, 0 mSdLazyCounter, 595 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 822 SdHoareTripleChecker+Valid, 1604 SdHoareTripleChecker+Invalid, 596 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 595 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-13 14:27:52,858 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [822 Valid, 1604 Invalid, 596 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 595 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-13 14:27:52,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1418 states. [2024-11-13 14:27:52,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1418 to 1418. [2024-11-13 14:27:52,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1418 states, 1401 states have (on average 1.4646680942184154) internal successors, (2052), 1401 states have internal predecessors, (2052), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-13 14:27:52,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1418 states to 1418 states and 2082 transitions. [2024-11-13 14:27:52,925 INFO L78 Accepts]: Start accepts. Automaton has 1418 states and 2082 transitions. Word has length 659 [2024-11-13 14:27:52,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:27:52,929 INFO L471 AbstractCegarLoop]: Abstraction has 1418 states and 2082 transitions. [2024-11-13 14:27:52,931 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 143.25) internal successors, (573), 4 states have internal predecessors, (573), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 14:27:52,931 INFO L276 IsEmpty]: Start isEmpty. Operand 1418 states and 2082 transitions. [2024-11-13 14:27:52,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 661 [2024-11-13 14:27:52,939 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:27:52,939 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:27:52,976 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-13 14:27:53,140 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-13 14:27:53,140 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:27:53,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:27:53,141 INFO L85 PathProgramCache]: Analyzing trace with hash 1323029769, now seen corresponding path program 1 times [2024-11-13 14:27:53,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:27:53,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653734886] [2024-11-13 14:27:53,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:27:53,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:27:53,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:54,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-13 14:27:54,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:54,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-13 14:27:54,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:54,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-13 14:27:54,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:54,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-13 14:27:54,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:54,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-13 14:27:54,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:54,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 468 [2024-11-13 14:27:54,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:54,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2024-11-13 14:27:54,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:54,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 506 [2024-11-13 14:27:54,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:54,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 530 [2024-11-13 14:27:54,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:54,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 540 [2024-11-13 14:27:54,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:54,706 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 180 proven. 1 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-13 14:27:54,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:27:54,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653734886] [2024-11-13 14:27:54,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [653734886] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:27:54,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1501581725] [2024-11-13 14:27:54,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:27:54,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:27:54,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:27:54,711 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:27:54,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-13 14:27:56,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:27:56,379 INFO L255 TraceCheckSpWp]: Trace formula consists of 3351 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 14:27:56,390 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:27:57,572 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 280 proven. 0 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2024-11-13 14:27:57,572 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 14:27:57,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1501581725] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:27:57,572 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 14:27:57,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2024-11-13 14:27:57,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880201715] [2024-11-13 14:27:57,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:27:57,574 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 14:27:57,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:27:57,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 14:27:57,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-13 14:27:57,576 INFO L87 Difference]: Start difference. First operand 1418 states and 2082 transitions. Second operand has 4 states, 4 states have (on average 143.5) internal successors, (574), 4 states have internal predecessors, (574), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 14:27:58,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:27:58,218 INFO L93 Difference]: Finished difference Result 2072 states and 3045 transitions. [2024-11-13 14:27:58,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 14:27:58,219 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 143.5) internal successors, (574), 4 states have internal predecessors, (574), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 660 [2024-11-13 14:27:58,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:27:58,223 INFO L225 Difference]: With dead ends: 2072 [2024-11-13 14:27:58,223 INFO L226 Difference]: Without dead ends: 1417 [2024-11-13 14:27:58,225 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 684 GetRequests, 679 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-13 14:27:58,225 INFO L432 NwaCegarLoop]: 801 mSDtfsCounter, 808 mSDsluCounter, 803 mSDsCounter, 0 mSdLazyCounter, 589 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 808 SdHoareTripleChecker+Valid, 1604 SdHoareTripleChecker+Invalid, 590 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 589 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-13 14:27:58,226 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [808 Valid, 1604 Invalid, 590 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 589 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-13 14:27:58,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1417 states. [2024-11-13 14:27:58,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1417 to 1417. [2024-11-13 14:27:58,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1417 states, 1400 states have (on average 1.4635714285714285) internal successors, (2049), 1400 states have internal predecessors, (2049), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-13 14:27:58,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1417 states to 1417 states and 2079 transitions. [2024-11-13 14:27:58,278 INFO L78 Accepts]: Start accepts. Automaton has 1417 states and 2079 transitions. Word has length 660 [2024-11-13 14:27:58,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:27:58,279 INFO L471 AbstractCegarLoop]: Abstraction has 1417 states and 2079 transitions. [2024-11-13 14:27:58,280 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 143.5) internal successors, (574), 4 states have internal predecessors, (574), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 14:27:58,280 INFO L276 IsEmpty]: Start isEmpty. Operand 1417 states and 2079 transitions. [2024-11-13 14:27:58,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 662 [2024-11-13 14:27:58,288 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:27:58,288 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:27:58,326 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-13 14:27:58,489 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-13 14:27:58,489 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:27:58,490 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:27:58,490 INFO L85 PathProgramCache]: Analyzing trace with hash 823971971, now seen corresponding path program 1 times [2024-11-13 14:27:58,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:27:58,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811951580] [2024-11-13 14:27:58,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:27:58,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:27:59,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:00,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-13 14:28:00,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:00,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-13 14:28:00,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:00,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-13 14:28:00,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:00,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-13 14:28:00,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:00,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-13 14:28:00,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:00,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2024-11-13 14:28:00,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:00,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2024-11-13 14:28:00,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:00,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 507 [2024-11-13 14:28:00,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:00,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 531 [2024-11-13 14:28:00,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:00,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 541 [2024-11-13 14:28:00,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:00,033 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 180 proven. 1 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-13 14:28:00,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:28:00,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811951580] [2024-11-13 14:28:00,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811951580] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:28:00,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1584066751] [2024-11-13 14:28:00,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:28:00,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:28:00,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:28:00,037 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:28:00,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-13 14:28:01,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:01,755 INFO L255 TraceCheckSpWp]: Trace formula consists of 3354 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-13 14:28:01,768 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:28:02,935 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 280 proven. 92 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2024-11-13 14:28:02,935 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:28:03,968 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 365 trivial. 0 not checked. [2024-11-13 14:28:03,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1584066751] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-13 14:28:03,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-13 14:28:03,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4, 14] total 19 [2024-11-13 14:28:03,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963152136] [2024-11-13 14:28:03,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:28:03,970 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 14:28:03,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:28:03,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 14:28:03,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2024-11-13 14:28:03,972 INFO L87 Difference]: Start difference. First operand 1417 states and 2079 transitions. Second operand has 5 states, 5 states have (on average 114.4) internal successors, (572), 5 states have internal predecessors, (572), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 14:28:04,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:28:04,332 INFO L93 Difference]: Finished difference Result 2071 states and 3040 transitions. [2024-11-13 14:28:04,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 14:28:04,333 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 114.4) internal successors, (572), 5 states have internal predecessors, (572), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 661 [2024-11-13 14:28:04,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:28:04,339 INFO L225 Difference]: With dead ends: 2071 [2024-11-13 14:28:04,339 INFO L226 Difference]: Without dead ends: 1417 [2024-11-13 14:28:04,340 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1345 GetRequests, 1327 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=65, Invalid=315, Unknown=0, NotChecked=0, Total=380 [2024-11-13 14:28:04,341 INFO L432 NwaCegarLoop]: 996 mSDtfsCounter, 1819 mSDsluCounter, 998 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1824 SdHoareTripleChecker+Valid, 1994 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 14:28:04,341 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1824 Valid, 1994 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 14:28:04,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1417 states. [2024-11-13 14:28:04,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1417 to 1417. [2024-11-13 14:28:04,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1417 states, 1400 states have (on average 1.4628571428571429) internal successors, (2048), 1400 states have internal predecessors, (2048), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-13 14:28:04,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1417 states to 1417 states and 2078 transitions. [2024-11-13 14:28:04,390 INFO L78 Accepts]: Start accepts. Automaton has 1417 states and 2078 transitions. Word has length 661 [2024-11-13 14:28:04,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:28:04,391 INFO L471 AbstractCegarLoop]: Abstraction has 1417 states and 2078 transitions. [2024-11-13 14:28:04,391 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 114.4) internal successors, (572), 5 states have internal predecessors, (572), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 14:28:04,392 INFO L276 IsEmpty]: Start isEmpty. Operand 1417 states and 2078 transitions. [2024-11-13 14:28:04,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 663 [2024-11-13 14:28:04,399 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:28:04,399 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:28:04,435 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-13 14:28:04,600 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:28:04,600 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:28:04,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:28:04,601 INFO L85 PathProgramCache]: Analyzing trace with hash 709960817, now seen corresponding path program 1 times [2024-11-13 14:28:04,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:28:04,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981701430] [2024-11-13 14:28:04,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:28:04,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:28:05,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:06,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-13 14:28:06,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:06,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-13 14:28:06,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:06,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-13 14:28:06,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:06,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-13 14:28:06,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:06,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-13 14:28:06,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:06,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2024-11-13 14:28:06,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:06,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 482 [2024-11-13 14:28:06,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:06,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2024-11-13 14:28:06,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:06,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 532 [2024-11-13 14:28:06,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:06,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 542 [2024-11-13 14:28:06,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:06,328 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 180 proven. 1 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-13 14:28:06,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:28:06,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981701430] [2024-11-13 14:28:06,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [981701430] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:28:06,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1825071830] [2024-11-13 14:28:06,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:28:06,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:28:06,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:28:06,332 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:28:06,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-13 14:28:08,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:08,032 INFO L255 TraceCheckSpWp]: Trace formula consists of 3357 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-13 14:28:08,045 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:28:09,324 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 280 proven. 92 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2024-11-13 14:28:09,324 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:28:10,567 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 365 trivial. 0 not checked. [2024-11-13 14:28:10,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1825071830] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-13 14:28:10,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-13 14:28:10,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4, 14] total 19 [2024-11-13 14:28:10,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676361108] [2024-11-13 14:28:10,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:28:10,569 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 14:28:10,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:28:10,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 14:28:10,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2024-11-13 14:28:10,571 INFO L87 Difference]: Start difference. First operand 1417 states and 2078 transitions. Second operand has 5 states, 5 states have (on average 114.6) internal successors, (573), 5 states have internal predecessors, (573), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 14:28:10,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:28:10,865 INFO L93 Difference]: Finished difference Result 2071 states and 3038 transitions. [2024-11-13 14:28:10,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 14:28:10,866 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 114.6) internal successors, (573), 5 states have internal predecessors, (573), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 662 [2024-11-13 14:28:10,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:28:10,872 INFO L225 Difference]: With dead ends: 2071 [2024-11-13 14:28:10,872 INFO L226 Difference]: Without dead ends: 1417 [2024-11-13 14:28:10,874 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1347 GetRequests, 1329 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=65, Invalid=315, Unknown=0, NotChecked=0, Total=380 [2024-11-13 14:28:10,875 INFO L432 NwaCegarLoop]: 996 mSDtfsCounter, 899 mSDsluCounter, 1007 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 904 SdHoareTripleChecker+Valid, 2003 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 14:28:10,875 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [904 Valid, 2003 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 194 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 14:28:10,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1417 states. [2024-11-13 14:28:10,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1417 to 1417. [2024-11-13 14:28:10,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1417 states, 1400 states have (on average 1.4621428571428572) internal successors, (2047), 1400 states have internal predecessors, (2047), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-13 14:28:10,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1417 states to 1417 states and 2077 transitions. [2024-11-13 14:28:10,923 INFO L78 Accepts]: Start accepts. Automaton has 1417 states and 2077 transitions. Word has length 662 [2024-11-13 14:28:10,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:28:10,924 INFO L471 AbstractCegarLoop]: Abstraction has 1417 states and 2077 transitions. [2024-11-13 14:28:10,924 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 114.6) internal successors, (573), 5 states have internal predecessors, (573), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 14:28:10,924 INFO L276 IsEmpty]: Start isEmpty. Operand 1417 states and 2077 transitions. [2024-11-13 14:28:10,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 664 [2024-11-13 14:28:10,932 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:28:10,933 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:28:10,968 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-13 14:28:11,133 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:28:11,134 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:28:11,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:28:11,135 INFO L85 PathProgramCache]: Analyzing trace with hash 374334150, now seen corresponding path program 1 times [2024-11-13 14:28:11,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:28:11,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849699724] [2024-11-13 14:28:11,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:28:11,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:28:11,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:12,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-13 14:28:12,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:12,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-13 14:28:12,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:12,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-13 14:28:12,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:12,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-13 14:28:12,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:12,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-13 14:28:12,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:12,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 471 [2024-11-13 14:28:12,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:12,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2024-11-13 14:28:12,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:12,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2024-11-13 14:28:12,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:12,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 533 [2024-11-13 14:28:12,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:12,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 543 [2024-11-13 14:28:12,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:12,637 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 180 proven. 1 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-13 14:28:12,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:28:12,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849699724] [2024-11-13 14:28:12,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1849699724] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:28:12,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1297243346] [2024-11-13 14:28:12,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:28:12,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:28:12,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:28:12,643 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:28:12,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-13 14:28:14,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:14,447 INFO L255 TraceCheckSpWp]: Trace formula consists of 3360 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-13 14:28:14,460 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:28:15,815 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 280 proven. 92 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2024-11-13 14:28:15,816 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:28:16,838 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 365 trivial. 0 not checked. [2024-11-13 14:28:16,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1297243346] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-13 14:28:16,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-13 14:28:16,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4, 14] total 19 [2024-11-13 14:28:16,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652361244] [2024-11-13 14:28:16,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:28:16,839 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 14:28:16,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:28:16,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 14:28:16,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2024-11-13 14:28:16,841 INFO L87 Difference]: Start difference. First operand 1417 states and 2077 transitions. Second operand has 5 states, 5 states have (on average 114.8) internal successors, (574), 5 states have internal predecessors, (574), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 14:28:17,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:28:17,089 INFO L93 Difference]: Finished difference Result 2071 states and 3036 transitions. [2024-11-13 14:28:17,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 14:28:17,090 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 114.8) internal successors, (574), 5 states have internal predecessors, (574), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 663 [2024-11-13 14:28:17,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:28:17,099 INFO L225 Difference]: With dead ends: 2071 [2024-11-13 14:28:17,102 INFO L226 Difference]: Without dead ends: 1417 [2024-11-13 14:28:17,104 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1349 GetRequests, 1331 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=65, Invalid=315, Unknown=0, NotChecked=0, Total=380 [2024-11-13 14:28:17,104 INFO L432 NwaCegarLoop]: 996 mSDtfsCounter, 1783 mSDsluCounter, 998 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1788 SdHoareTripleChecker+Valid, 1994 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 14:28:17,105 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1788 Valid, 1994 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 14:28:17,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1417 states. [2024-11-13 14:28:17,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1417 to 1417. [2024-11-13 14:28:17,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1417 states, 1400 states have (on average 1.4614285714285715) internal successors, (2046), 1400 states have internal predecessors, (2046), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-13 14:28:17,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1417 states to 1417 states and 2076 transitions. [2024-11-13 14:28:17,152 INFO L78 Accepts]: Start accepts. Automaton has 1417 states and 2076 transitions. Word has length 663 [2024-11-13 14:28:17,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:28:17,153 INFO L471 AbstractCegarLoop]: Abstraction has 1417 states and 2076 transitions. [2024-11-13 14:28:17,153 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 114.8) internal successors, (574), 5 states have internal predecessors, (574), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 14:28:17,153 INFO L276 IsEmpty]: Start isEmpty. Operand 1417 states and 2076 transitions. [2024-11-13 14:28:17,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 665 [2024-11-13 14:28:17,160 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:28:17,161 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:28:17,195 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-13 14:28:17,361 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:28:17,362 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:28:17,362 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:28:17,363 INFO L85 PathProgramCache]: Analyzing trace with hash 751173919, now seen corresponding path program 1 times [2024-11-13 14:28:17,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:28:17,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955759132] [2024-11-13 14:28:17,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:28:17,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:28:17,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:18,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-13 14:28:18,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:18,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-13 14:28:18,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:18,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-13 14:28:18,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:18,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-13 14:28:18,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:18,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-13 14:28:18,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:18,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 472 [2024-11-13 14:28:18,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:18,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2024-11-13 14:28:18,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:18,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2024-11-13 14:28:18,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:18,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 534 [2024-11-13 14:28:18,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:18,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 544 [2024-11-13 14:28:18,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:18,484 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 180 proven. 1 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-13 14:28:18,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:28:18,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955759132] [2024-11-13 14:28:18,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [955759132] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:28:18,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1687905909] [2024-11-13 14:28:18,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:28:18,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:28:18,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:28:18,487 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:28:18,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-13 14:28:20,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:20,376 INFO L255 TraceCheckSpWp]: Trace formula consists of 3363 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-13 14:28:20,390 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:28:21,833 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 280 proven. 92 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2024-11-13 14:28:21,833 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:28:23,019 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 365 trivial. 0 not checked. [2024-11-13 14:28:23,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1687905909] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-13 14:28:23,019 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-13 14:28:23,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4, 14] total 19 [2024-11-13 14:28:23,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34690833] [2024-11-13 14:28:23,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:28:23,021 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 14:28:23,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:28:23,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 14:28:23,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2024-11-13 14:28:23,022 INFO L87 Difference]: Start difference. First operand 1417 states and 2076 transitions. Second operand has 5 states, 5 states have (on average 115.0) internal successors, (575), 5 states have internal predecessors, (575), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 14:28:23,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:28:23,271 INFO L93 Difference]: Finished difference Result 2071 states and 3034 transitions. [2024-11-13 14:28:23,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 14:28:23,274 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 115.0) internal successors, (575), 5 states have internal predecessors, (575), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 664 [2024-11-13 14:28:23,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:28:23,281 INFO L225 Difference]: With dead ends: 2071 [2024-11-13 14:28:23,281 INFO L226 Difference]: Without dead ends: 1417 [2024-11-13 14:28:23,283 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1351 GetRequests, 1333 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=65, Invalid=315, Unknown=0, NotChecked=0, Total=380 [2024-11-13 14:28:23,285 INFO L432 NwaCegarLoop]: 996 mSDtfsCounter, 881 mSDsluCounter, 1007 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 886 SdHoareTripleChecker+Valid, 2003 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 14:28:23,285 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [886 Valid, 2003 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 14:28:23,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1417 states. [2024-11-13 14:28:23,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1417 to 1417. [2024-11-13 14:28:23,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1417 states, 1400 states have (on average 1.4607142857142856) internal successors, (2045), 1400 states have internal predecessors, (2045), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-13 14:28:23,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1417 states to 1417 states and 2075 transitions. [2024-11-13 14:28:23,330 INFO L78 Accepts]: Start accepts. Automaton has 1417 states and 2075 transitions. Word has length 664 [2024-11-13 14:28:23,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:28:23,331 INFO L471 AbstractCegarLoop]: Abstraction has 1417 states and 2075 transitions. [2024-11-13 14:28:23,331 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 115.0) internal successors, (575), 5 states have internal predecessors, (575), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 14:28:23,331 INFO L276 IsEmpty]: Start isEmpty. Operand 1417 states and 2075 transitions. [2024-11-13 14:28:23,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 666 [2024-11-13 14:28:23,339 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:28:23,339 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:28:23,374 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-13 14:28:23,540 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:28:23,540 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:28:23,540 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:28:23,541 INFO L85 PathProgramCache]: Analyzing trace with hash 1005523881, now seen corresponding path program 1 times [2024-11-13 14:28:23,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:28:23,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253491945] [2024-11-13 14:28:23,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:28:23,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:28:23,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:24,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-13 14:28:24,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:24,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-13 14:28:24,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:24,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-13 14:28:24,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:24,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-13 14:28:24,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:24,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-13 14:28:24,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:24,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2024-11-13 14:28:24,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:24,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 485 [2024-11-13 14:28:24,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:24,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2024-11-13 14:28:24,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:24,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 535 [2024-11-13 14:28:24,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:24,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 545 [2024-11-13 14:28:24,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:24,596 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 180 proven. 1 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-13 14:28:24,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:28:24,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253491945] [2024-11-13 14:28:24,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1253491945] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:28:24,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [148976460] [2024-11-13 14:28:24,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:28:24,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:28:24,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:28:24,600 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:28:24,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-13 14:28:26,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:26,327 INFO L255 TraceCheckSpWp]: Trace formula consists of 3366 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 14:28:26,337 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:28:26,373 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 280 proven. 8 refuted. 0 times theorem prover too weak. 257 trivial. 0 not checked. [2024-11-13 14:28:26,373 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:28:26,438 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 365 trivial. 0 not checked. [2024-11-13 14:28:26,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [148976460] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-13 14:28:26,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-13 14:28:26,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4, 4] total 7 [2024-11-13 14:28:26,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586733958] [2024-11-13 14:28:26,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:28:26,439 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:28:26,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:28:26,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:28:26,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-13 14:28:26,441 INFO L87 Difference]: Start difference. First operand 1417 states and 2075 transitions. Second operand has 3 states, 3 states have (on average 192.0) internal successors, (576), 3 states have internal predecessors, (576), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 14:28:26,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:28:26,476 INFO L93 Difference]: Finished difference Result 2072 states and 3034 transitions. [2024-11-13 14:28:26,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:28:26,477 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 192.0) internal successors, (576), 3 states have internal predecessors, (576), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 665 [2024-11-13 14:28:26,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:28:26,482 INFO L225 Difference]: With dead ends: 2072 [2024-11-13 14:28:26,482 INFO L226 Difference]: Without dead ends: 1418 [2024-11-13 14:28:26,483 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1352 GetRequests, 1347 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-13 14:28:26,484 INFO L432 NwaCegarLoop]: 1088 mSDtfsCounter, 0 mSDsluCounter, 1084 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2172 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:28:26,484 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2172 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:28:26,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1418 states. [2024-11-13 14:28:26,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1418 to 1418. [2024-11-13 14:28:26,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1418 states, 1401 states have (on average 1.4603854389721627) internal successors, (2046), 1401 states have internal predecessors, (2046), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-13 14:28:26,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1418 states to 1418 states and 2076 transitions. [2024-11-13 14:28:26,528 INFO L78 Accepts]: Start accepts. Automaton has 1418 states and 2076 transitions. Word has length 665 [2024-11-13 14:28:26,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:28:26,529 INFO L471 AbstractCegarLoop]: Abstraction has 1418 states and 2076 transitions. [2024-11-13 14:28:26,529 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 192.0) internal successors, (576), 3 states have internal predecessors, (576), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 14:28:26,529 INFO L276 IsEmpty]: Start isEmpty. Operand 1418 states and 2076 transitions. [2024-11-13 14:28:26,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 667 [2024-11-13 14:28:26,538 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:28:26,539 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:28:26,578 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-11-13 14:28:26,740 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:28:26,740 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:28:26,740 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:28:26,741 INFO L85 PathProgramCache]: Analyzing trace with hash 1814716853, now seen corresponding path program 1 times [2024-11-13 14:28:26,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:28:26,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864838704] [2024-11-13 14:28:26,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:28:26,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:28:27,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:27,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-13 14:28:27,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:27,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-13 14:28:27,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:27,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-13 14:28:27,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:27,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-13 14:28:27,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:27,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-13 14:28:27,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:27,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 474 [2024-11-13 14:28:27,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:27,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 486 [2024-11-13 14:28:27,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:27,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 512 [2024-11-13 14:28:27,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:27,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 536 [2024-11-13 14:28:27,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:27,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 546 [2024-11-13 14:28:27,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:27,952 INFO L134 CoverageAnalysis]: Checked inductivity of 546 backedges. 180 proven. 1 refuted. 0 times theorem prover too weak. 365 trivial. 0 not checked. [2024-11-13 14:28:27,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:28:27,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864838704] [2024-11-13 14:28:27,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [864838704] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:28:27,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1476294017] [2024-11-13 14:28:27,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:28:27,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:28:27,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:28:27,956 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:28:27,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-13 14:28:29,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:29,887 INFO L255 TraceCheckSpWp]: Trace formula consists of 3375 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 14:28:29,894 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:28:29,931 INFO L134 CoverageAnalysis]: Checked inductivity of 546 backedges. 280 proven. 8 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2024-11-13 14:28:29,931 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:28:30,003 INFO L134 CoverageAnalysis]: Checked inductivity of 546 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 366 trivial. 0 not checked. [2024-11-13 14:28:30,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1476294017] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-13 14:28:30,004 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-13 14:28:30,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4, 4] total 7 [2024-11-13 14:28:30,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729025996] [2024-11-13 14:28:30,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:28:30,005 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:28:30,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:28:30,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:28:30,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-13 14:28:30,006 INFO L87 Difference]: Start difference. First operand 1418 states and 2076 transitions. Second operand has 3 states, 3 states have (on average 192.33333333333334) internal successors, (577), 3 states have internal predecessors, (577), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 14:28:30,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:28:30,052 INFO L93 Difference]: Finished difference Result 2074 states and 3036 transitions. [2024-11-13 14:28:30,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:28:30,053 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 192.33333333333334) internal successors, (577), 3 states have internal predecessors, (577), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 666 [2024-11-13 14:28:30,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:28:30,058 INFO L225 Difference]: With dead ends: 2074 [2024-11-13 14:28:30,059 INFO L226 Difference]: Without dead ends: 1419 [2024-11-13 14:28:30,060 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1354 GetRequests, 1349 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-13 14:28:30,061 INFO L432 NwaCegarLoop]: 1088 mSDtfsCounter, 0 mSDsluCounter, 1084 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2172 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:28:30,062 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2172 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:28:30,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1419 states. [2024-11-13 14:28:30,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1419 to 1419. [2024-11-13 14:28:30,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1419 states, 1402 states have (on average 1.4600570613409416) internal successors, (2047), 1402 states have internal predecessors, (2047), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-13 14:28:30,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1419 states to 1419 states and 2077 transitions. [2024-11-13 14:28:30,107 INFO L78 Accepts]: Start accepts. Automaton has 1419 states and 2077 transitions. Word has length 666 [2024-11-13 14:28:30,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:28:30,108 INFO L471 AbstractCegarLoop]: Abstraction has 1419 states and 2077 transitions. [2024-11-13 14:28:30,109 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 192.33333333333334) internal successors, (577), 3 states have internal predecessors, (577), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 14:28:30,109 INFO L276 IsEmpty]: Start isEmpty. Operand 1419 states and 2077 transitions. [2024-11-13 14:28:30,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 668 [2024-11-13 14:28:30,115 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:28:30,116 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:28:30,154 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-11-13 14:28:30,319 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:28:30,319 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:28:30,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:28:30,319 INFO L85 PathProgramCache]: Analyzing trace with hash 2086573643, now seen corresponding path program 1 times [2024-11-13 14:28:30,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:28:30,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405107706] [2024-11-13 14:28:30,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:28:30,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:28:30,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:31,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-13 14:28:31,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:31,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-13 14:28:31,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:31,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-13 14:28:31,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:31,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-13 14:28:31,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:31,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-13 14:28:31,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:31,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2024-11-13 14:28:31,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:31,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 487 [2024-11-13 14:28:31,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:31,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2024-11-13 14:28:31,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:31,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 537 [2024-11-13 14:28:31,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:31,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2024-11-13 14:28:31,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:31,730 INFO L134 CoverageAnalysis]: Checked inductivity of 547 backedges. 180 proven. 1 refuted. 0 times theorem prover too weak. 366 trivial. 0 not checked. [2024-11-13 14:28:31,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:28:31,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405107706] [2024-11-13 14:28:31,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [405107706] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:28:31,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [615047057] [2024-11-13 14:28:31,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:28:31,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:28:31,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:28:31,733 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:28:31,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-13 14:28:33,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:33,752 INFO L255 TraceCheckSpWp]: Trace formula consists of 3384 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 14:28:33,760 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:28:33,792 INFO L134 CoverageAnalysis]: Checked inductivity of 547 backedges. 280 proven. 8 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2024-11-13 14:28:33,792 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:28:33,858 INFO L134 CoverageAnalysis]: Checked inductivity of 547 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 367 trivial. 0 not checked. [2024-11-13 14:28:33,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [615047057] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-13 14:28:33,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-13 14:28:33,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4, 4] total 7 [2024-11-13 14:28:33,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836880897] [2024-11-13 14:28:33,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:28:33,860 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:28:33,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:28:33,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:28:33,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-13 14:28:33,861 INFO L87 Difference]: Start difference. First operand 1419 states and 2077 transitions. Second operand has 3 states, 3 states have (on average 192.66666666666666) internal successors, (578), 3 states have internal predecessors, (578), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 14:28:33,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:28:33,891 INFO L93 Difference]: Finished difference Result 2076 states and 3038 transitions. [2024-11-13 14:28:33,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:28:33,892 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 192.66666666666666) internal successors, (578), 3 states have internal predecessors, (578), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 667 [2024-11-13 14:28:33,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:28:33,896 INFO L225 Difference]: With dead ends: 2076 [2024-11-13 14:28:33,896 INFO L226 Difference]: Without dead ends: 1420 [2024-11-13 14:28:33,897 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1356 GetRequests, 1351 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-13 14:28:33,898 INFO L432 NwaCegarLoop]: 1088 mSDtfsCounter, 0 mSDsluCounter, 1084 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2172 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:28:33,898 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2172 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:28:33,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1420 states. [2024-11-13 14:28:33,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1420 to 1420. [2024-11-13 14:28:33,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1420 states, 1403 states have (on average 1.459729151817534) internal successors, (2048), 1403 states have internal predecessors, (2048), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-13 14:28:33,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1420 states to 1420 states and 2078 transitions. [2024-11-13 14:28:33,947 INFO L78 Accepts]: Start accepts. Automaton has 1420 states and 2078 transitions. Word has length 667 [2024-11-13 14:28:33,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:28:33,948 INFO L471 AbstractCegarLoop]: Abstraction has 1420 states and 2078 transitions. [2024-11-13 14:28:33,949 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 192.66666666666666) internal successors, (578), 3 states have internal predecessors, (578), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 14:28:33,949 INFO L276 IsEmpty]: Start isEmpty. Operand 1420 states and 2078 transitions. [2024-11-13 14:28:33,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 669 [2024-11-13 14:28:33,956 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:28:33,957 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:28:33,998 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-13 14:28:34,157 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-11-13 14:28:34,158 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:28:34,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:28:34,158 INFO L85 PathProgramCache]: Analyzing trace with hash 1511916341, now seen corresponding path program 1 times [2024-11-13 14:28:34,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:28:34,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109625873] [2024-11-13 14:28:34,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:28:34,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:28:34,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:35,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-13 14:28:35,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:35,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-13 14:28:35,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:35,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-13 14:28:35,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:35,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-13 14:28:35,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:35,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-13 14:28:35,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:35,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2024-11-13 14:28:35,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:35,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 488 [2024-11-13 14:28:35,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:35,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2024-11-13 14:28:35,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:35,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2024-11-13 14:28:35,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:35,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 548 [2024-11-13 14:28:35,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:35,361 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 180 proven. 1 refuted. 0 times theorem prover too weak. 367 trivial. 0 not checked. [2024-11-13 14:28:35,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:28:35,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109625873] [2024-11-13 14:28:35,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1109625873] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:28:35,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1169327792] [2024-11-13 14:28:35,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:28:35,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:28:35,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:28:35,364 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:28:35,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-13 14:28:37,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:37,445 INFO L255 TraceCheckSpWp]: Trace formula consists of 3393 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 14:28:37,453 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:28:37,491 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 280 proven. 30 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2024-11-13 14:28:37,492 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:28:37,573 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 180 proven. 1 refuted. 0 times theorem prover too weak. 367 trivial. 0 not checked. [2024-11-13 14:28:37,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1169327792] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 14:28:37,573 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 14:28:37,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 6, 4] total 9 [2024-11-13 14:28:37,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580044302] [2024-11-13 14:28:37,574 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 14:28:37,575 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 14:28:37,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:28:37,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 14:28:37,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-13 14:28:37,576 INFO L87 Difference]: Start difference. First operand 1420 states and 2078 transitions. Second operand has 9 states, 9 states have (on average 65.77777777777777) internal successors, (592), 9 states have internal predecessors, (592), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-13 14:28:37,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:28:37,676 INFO L93 Difference]: Finished difference Result 2080 states and 3044 transitions. [2024-11-13 14:28:37,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 14:28:37,677 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 65.77777777777777) internal successors, (592), 9 states have internal predecessors, (592), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 668 [2024-11-13 14:28:37,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:28:37,680 INFO L225 Difference]: With dead ends: 2080 [2024-11-13 14:28:37,680 INFO L226 Difference]: Without dead ends: 1423 [2024-11-13 14:28:37,681 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1359 GetRequests, 1351 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-13 14:28:37,682 INFO L432 NwaCegarLoop]: 1091 mSDtfsCounter, 10 mSDsluCounter, 5427 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 6518 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:28:37,682 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 6518 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:28:37,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1423 states. [2024-11-13 14:28:37,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1423 to 1423. [2024-11-13 14:28:37,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1423 states, 1406 states have (on average 1.4587482219061167) internal successors, (2051), 1406 states have internal predecessors, (2051), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-13 14:28:37,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1423 states to 1423 states and 2081 transitions. [2024-11-13 14:28:37,718 INFO L78 Accepts]: Start accepts. Automaton has 1423 states and 2081 transitions. Word has length 668 [2024-11-13 14:28:37,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:28:37,718 INFO L471 AbstractCegarLoop]: Abstraction has 1423 states and 2081 transitions. [2024-11-13 14:28:37,719 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 65.77777777777777) internal successors, (592), 9 states have internal predecessors, (592), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-13 14:28:37,719 INFO L276 IsEmpty]: Start isEmpty. Operand 1423 states and 2081 transitions. [2024-11-13 14:28:37,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 672 [2024-11-13 14:28:37,723 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:28:37,724 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 8, 8, 8, 8, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:28:37,750 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-11-13 14:28:37,924 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-11-13 14:28:37,924 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:28:37,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:28:37,925 INFO L85 PathProgramCache]: Analyzing trace with hash 568306818, now seen corresponding path program 2 times [2024-11-13 14:28:37,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:28:37,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316681423] [2024-11-13 14:28:37,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:28:37,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:28:38,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:39,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-13 14:28:39,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:39,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-13 14:28:39,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:39,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-13 14:28:39,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:39,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-13 14:28:39,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:39,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-13 14:28:39,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:39,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 479 [2024-11-13 14:28:39,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:39,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2024-11-13 14:28:39,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:39,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 517 [2024-11-13 14:28:39,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:39,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 541 [2024-11-13 14:28:39,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:39,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 551 [2024-11-13 14:28:39,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:39,188 INFO L134 CoverageAnalysis]: Checked inductivity of 557 backedges. 180 proven. 10 refuted. 0 times theorem prover too weak. 367 trivial. 0 not checked. [2024-11-13 14:28:39,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:28:39,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316681423] [2024-11-13 14:28:39,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316681423] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:28:39,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [648142089] [2024-11-13 14:28:39,189 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 14:28:39,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:28:39,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:28:39,191 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:28:39,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-13 14:28:41,169 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-13 14:28:41,169 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 14:28:41,178 INFO L255 TraceCheckSpWp]: Trace formula consists of 799 conjuncts, 69 conjuncts are in the unsatisfiable core [2024-11-13 14:28:41,190 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:28:43,764 INFO L134 CoverageAnalysis]: Checked inductivity of 557 backedges. 6 proven. 169 refuted. 0 times theorem prover too weak. 382 trivial. 0 not checked. [2024-11-13 14:28:43,764 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:28:45,666 INFO L134 CoverageAnalysis]: Checked inductivity of 557 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 475 trivial. 0 not checked. [2024-11-13 14:28:45,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [648142089] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-13 14:28:45,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-13 14:28:45,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [7, 14] total 27 [2024-11-13 14:28:45,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510343792] [2024-11-13 14:28:45,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:28:45,668 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 14:28:45,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:28:45,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 14:28:45,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=604, Unknown=0, NotChecked=0, Total=702 [2024-11-13 14:28:45,669 INFO L87 Difference]: Start difference. First operand 1423 states and 2081 transitions. Second operand has 10 states, 10 states have (on average 48.8) internal successors, (488), 10 states have internal predecessors, (488), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-13 14:28:48,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:28:48,250 INFO L93 Difference]: Finished difference Result 2384 states and 3491 transitions. [2024-11-13 14:28:48,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 14:28:48,250 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 48.8) internal successors, (488), 10 states have internal predecessors, (488), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 671 [2024-11-13 14:28:48,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:28:48,254 INFO L225 Difference]: With dead ends: 2384 [2024-11-13 14:28:48,254 INFO L226 Difference]: Without dead ends: 1724 [2024-11-13 14:28:48,256 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1369 GetRequests, 1343 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 176 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=114, Invalid=642, Unknown=0, NotChecked=0, Total=756 [2024-11-13 14:28:48,256 INFO L432 NwaCegarLoop]: 916 mSDtfsCounter, 926 mSDsluCounter, 5363 mSDsCounter, 0 mSdLazyCounter, 2151 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 926 SdHoareTripleChecker+Valid, 6279 SdHoareTripleChecker+Invalid, 2168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 2151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-13 14:28:48,257 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [926 Valid, 6279 Invalid, 2168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 2151 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-13 14:28:48,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1724 states. [2024-11-13 14:28:48,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1724 to 1575. [2024-11-13 14:28:48,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1575 states, 1558 states have (on average 1.4614890885750962) internal successors, (2277), 1558 states have internal predecessors, (2277), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-13 14:28:48,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1575 states to 1575 states and 2307 transitions. [2024-11-13 14:28:48,296 INFO L78 Accepts]: Start accepts. Automaton has 1575 states and 2307 transitions. Word has length 671 [2024-11-13 14:28:48,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:28:48,297 INFO L471 AbstractCegarLoop]: Abstraction has 1575 states and 2307 transitions. [2024-11-13 14:28:48,298 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 48.8) internal successors, (488), 10 states have internal predecessors, (488), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-13 14:28:48,298 INFO L276 IsEmpty]: Start isEmpty. Operand 1575 states and 2307 transitions. [2024-11-13 14:28:48,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 673 [2024-11-13 14:28:48,305 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:28:48,305 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 8, 8, 8, 8, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:28:48,340 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-11-13 14:28:48,506 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-11-13 14:28:48,506 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:28:48,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:28:48,507 INFO L85 PathProgramCache]: Analyzing trace with hash 439428081, now seen corresponding path program 1 times [2024-11-13 14:28:48,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:28:48,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785609228] [2024-11-13 14:28:48,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:28:48,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:28:49,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:50,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-13 14:28:50,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:50,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-13 14:28:50,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:50,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-13 14:28:50,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:50,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-13 14:28:50,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:50,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-13 14:28:50,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:50,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 479 [2024-11-13 14:28:50,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:50,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2024-11-13 14:28:50,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:50,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 517 [2024-11-13 14:28:50,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:50,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 541 [2024-11-13 14:28:50,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:50,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 551 [2024-11-13 14:28:50,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:50,248 INFO L134 CoverageAnalysis]: Checked inductivity of 557 backedges. 180 proven. 10 refuted. 0 times theorem prover too weak. 367 trivial. 0 not checked. [2024-11-13 14:28:50,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:28:50,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785609228] [2024-11-13 14:28:50,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785609228] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:28:50,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [718844687] [2024-11-13 14:28:50,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:28:50,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:28:50,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:28:50,252 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:28:50,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-13 14:28:52,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:52,671 INFO L255 TraceCheckSpWp]: Trace formula consists of 3421 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-13 14:28:52,679 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:28:52,797 INFO L134 CoverageAnalysis]: Checked inductivity of 557 backedges. 280 proven. 84 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2024-11-13 14:28:52,797 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:28:52,993 INFO L134 CoverageAnalysis]: Checked inductivity of 557 backedges. 180 proven. 10 refuted. 0 times theorem prover too weak. 367 trivial. 0 not checked. [2024-11-13 14:28:52,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [718844687] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 14:28:52,994 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 14:28:52,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 12, 7] total 18 [2024-11-13 14:28:52,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645302528] [2024-11-13 14:28:52,995 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 14:28:52,996 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-13 14:28:52,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:28:52,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-13 14:28:52,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=240, Unknown=0, NotChecked=0, Total=306 [2024-11-13 14:28:52,999 INFO L87 Difference]: Start difference. First operand 1575 states and 2307 transitions. Second operand has 18 states, 18 states have (on average 33.77777777777778) internal successors, (608), 18 states have internal predecessors, (608), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-13 14:28:53,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:28:53,251 INFO L93 Difference]: Finished difference Result 2391 states and 3504 transitions. [2024-11-13 14:28:53,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-13 14:28:53,252 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 33.77777777777778) internal successors, (608), 18 states have internal predecessors, (608), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 672 [2024-11-13 14:28:53,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:28:53,256 INFO L225 Difference]: With dead ends: 2391 [2024-11-13 14:28:53,256 INFO L226 Difference]: Without dead ends: 1579 [2024-11-13 14:28:53,257 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1371 GetRequests, 1353 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=88, Invalid=292, Unknown=0, NotChecked=0, Total=380 [2024-11-13 14:28:53,258 INFO L432 NwaCegarLoop]: 1106 mSDtfsCounter, 22 mSDsluCounter, 15408 mSDsCounter, 0 mSdLazyCounter, 243 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 16514 SdHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 243 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:28:53,258 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 16514 Invalid, 243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 243 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:28:53,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1579 states. [2024-11-13 14:28:53,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1579 to 1579. [2024-11-13 14:28:53,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1579 states, 1562 states have (on average 1.4603072983354672) internal successors, (2281), 1562 states have internal predecessors, (2281), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-13 14:28:53,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1579 states to 1579 states and 2311 transitions. [2024-11-13 14:28:53,310 INFO L78 Accepts]: Start accepts. Automaton has 1579 states and 2311 transitions. Word has length 672 [2024-11-13 14:28:53,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:28:53,311 INFO L471 AbstractCegarLoop]: Abstraction has 1579 states and 2311 transitions. [2024-11-13 14:28:53,311 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 33.77777777777778) internal successors, (608), 18 states have internal predecessors, (608), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-13 14:28:53,312 INFO L276 IsEmpty]: Start isEmpty. Operand 1579 states and 2311 transitions. [2024-11-13 14:28:53,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 677 [2024-11-13 14:28:53,319 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:28:53,320 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:28:53,362 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-11-13 14:28:53,520 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-11-13 14:28:53,521 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:28:53,521 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:28:53,522 INFO L85 PathProgramCache]: Analyzing trace with hash -796305615, now seen corresponding path program 2 times [2024-11-13 14:28:53,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:28:53,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802218302] [2024-11-13 14:28:53,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:28:53,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:28:54,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:54,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-13 14:28:54,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:54,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-13 14:28:54,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:54,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-13 14:28:54,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:54,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-13 14:28:54,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:54,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-13 14:28:54,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:54,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2024-11-13 14:28:54,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:54,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 495 [2024-11-13 14:28:54,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:54,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2024-11-13 14:28:54,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:54,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 545 [2024-11-13 14:28:54,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:54,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 555 [2024-11-13 14:28:54,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:28:54,985 INFO L134 CoverageAnalysis]: Checked inductivity of 583 backedges. 180 proven. 1 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2024-11-13 14:28:54,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:28:54,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802218302] [2024-11-13 14:28:54,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1802218302] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:28:54,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1245455350] [2024-11-13 14:28:54,986 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 14:28:54,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:28:54,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:28:54,988 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:28:54,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-13 14:28:57,200 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-13 14:28:57,200 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 14:28:57,207 INFO L255 TraceCheckSpWp]: Trace formula consists of 800 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-13 14:28:57,221 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:28:58,865 INFO L134 CoverageAnalysis]: Checked inductivity of 583 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 489 trivial. 0 not checked. [2024-11-13 14:28:58,865 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 14:28:58,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1245455350] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:28:58,865 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 14:28:58,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4] total 14 [2024-11-13 14:28:58,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462037182] [2024-11-13 14:28:58,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:28:58,867 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 14:28:58,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:28:58,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 14:28:58,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2024-11-13 14:28:58,869 INFO L87 Difference]: Start difference. First operand 1579 states and 2311 transitions. Second operand has 12 states, 12 states have (on average 41.833333333333336) internal successors, (502), 12 states have internal predecessors, (502), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-13 14:29:01,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:29:01,440 INFO L93 Difference]: Finished difference Result 4891 states and 7164 transitions. [2024-11-13 14:29:01,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-13 14:29:01,441 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 41.833333333333336) internal successors, (502), 12 states have internal predecessors, (502), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 676 [2024-11-13 14:29:01,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:29:01,452 INFO L225 Difference]: With dead ends: 4891 [2024-11-13 14:29:01,452 INFO L226 Difference]: Without dead ends: 3895 [2024-11-13 14:29:01,455 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 706 GetRequests, 687 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=339, Unknown=0, NotChecked=0, Total=420 [2024-11-13 14:29:01,456 INFO L432 NwaCegarLoop]: 1025 mSDtfsCounter, 3298 mSDsluCounter, 7552 mSDsCounter, 0 mSdLazyCounter, 3294 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3298 SdHoareTripleChecker+Valid, 8577 SdHoareTripleChecker+Invalid, 3295 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-13 14:29:01,457 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3298 Valid, 8577 Invalid, 3295 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3294 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-13 14:29:01,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3895 states. [2024-11-13 14:29:01,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3895 to 1909. [2024-11-13 14:29:01,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1909 states, 1892 states have (on average 1.4593023255813953) internal successors, (2761), 1892 states have internal predecessors, (2761), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-13 14:29:01,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1909 states to 1909 states and 2791 transitions. [2024-11-13 14:29:01,518 INFO L78 Accepts]: Start accepts. Automaton has 1909 states and 2791 transitions. Word has length 676 [2024-11-13 14:29:01,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:29:01,519 INFO L471 AbstractCegarLoop]: Abstraction has 1909 states and 2791 transitions. [2024-11-13 14:29:01,519 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 41.833333333333336) internal successors, (502), 12 states have internal predecessors, (502), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-13 14:29:01,519 INFO L276 IsEmpty]: Start isEmpty. Operand 1909 states and 2791 transitions. [2024-11-13 14:29:01,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 678 [2024-11-13 14:29:01,524 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:29:01,524 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:29:01,547 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-11-13 14:29:01,724 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-13 14:29:01,725 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:29:01,725 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:29:01,725 INFO L85 PathProgramCache]: Analyzing trace with hash -1208258816, now seen corresponding path program 1 times [2024-11-13 14:29:01,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:29:01,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216419842] [2024-11-13 14:29:01,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:29:01,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:29:02,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:29:03,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-13 14:29:03,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:29:03,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-13 14:29:03,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:29:03,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-13 14:29:03,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:29:03,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-13 14:29:03,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:29:03,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-13 14:29:03,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:29:03,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2024-11-13 14:29:03,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:29:03,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 496 [2024-11-13 14:29:03,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:29:03,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 522 [2024-11-13 14:29:03,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:29:03,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 546 [2024-11-13 14:29:03,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:29:03,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2024-11-13 14:29:03,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:29:03,279 INFO L134 CoverageAnalysis]: Checked inductivity of 583 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 491 trivial. 0 not checked. [2024-11-13 14:29:03,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:29:03,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216419842] [2024-11-13 14:29:03,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [216419842] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:29:03,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:29:03,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 14:29:03,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434628505] [2024-11-13 14:29:03,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:29:03,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 14:29:03,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:29:03,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 14:29:03,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 14:29:03,283 INFO L87 Difference]: Start difference. First operand 1909 states and 2791 transitions. Second operand has 4 states, 4 states have (on average 124.25) internal successors, (497), 4 states have internal predecessors, (497), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 14:29:03,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:29:03,398 INFO L93 Difference]: Finished difference Result 3055 states and 4470 transitions. [2024-11-13 14:29:03,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 14:29:03,399 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 124.25) internal successors, (497), 4 states have internal predecessors, (497), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 677 [2024-11-13 14:29:03,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:29:03,406 INFO L225 Difference]: With dead ends: 3055 [2024-11-13 14:29:03,406 INFO L226 Difference]: Without dead ends: 1913 [2024-11-13 14:29:03,409 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 14:29:03,410 INFO L432 NwaCegarLoop]: 1087 mSDtfsCounter, 0 mSDsluCounter, 2152 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3239 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:29:03,412 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3239 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:29:03,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1913 states. [2024-11-13 14:29:03,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1913 to 1913. [2024-11-13 14:29:03,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1913 states, 1896 states have (on average 1.4583333333333333) internal successors, (2765), 1896 states have internal predecessors, (2765), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-13 14:29:03,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1913 states to 1913 states and 2795 transitions. [2024-11-13 14:29:03,485 INFO L78 Accepts]: Start accepts. Automaton has 1913 states and 2795 transitions. Word has length 677 [2024-11-13 14:29:03,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:29:03,486 INFO L471 AbstractCegarLoop]: Abstraction has 1913 states and 2795 transitions. [2024-11-13 14:29:03,486 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 124.25) internal successors, (497), 4 states have internal predecessors, (497), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 14:29:03,487 INFO L276 IsEmpty]: Start isEmpty. Operand 1913 states and 2795 transitions. [2024-11-13 14:29:03,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 678 [2024-11-13 14:29:03,494 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:29:03,494 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:29:03,495 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-13 14:29:03,495 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:29:03,495 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:29:03,495 INFO L85 PathProgramCache]: Analyzing trace with hash 215512206, now seen corresponding path program 1 times [2024-11-13 14:29:03,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:29:03,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148454251] [2024-11-13 14:29:03,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:29:03,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:29:04,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:29:04,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-13 14:29:04,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:29:04,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-13 14:29:04,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:29:04,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-13 14:29:04,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:29:04,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-13 14:29:04,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:29:04,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-13 14:29:04,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:29:04,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2024-11-13 14:29:04,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:29:04,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 496 [2024-11-13 14:29:04,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:29:04,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 522 [2024-11-13 14:29:04,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:29:04,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 546 [2024-11-13 14:29:04,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:29:04,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2024-11-13 14:29:04,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:29:04,998 INFO L134 CoverageAnalysis]: Checked inductivity of 584 backedges. 181 proven. 1 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2024-11-13 14:29:04,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:29:04,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148454251] [2024-11-13 14:29:04,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148454251] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:29:04,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [621213677] [2024-11-13 14:29:04,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:29:04,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:29:04,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:29:05,001 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:29:05,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-13 14:29:07,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:29:07,658 INFO L255 TraceCheckSpWp]: Trace formula consists of 3462 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 14:29:07,666 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:29:07,704 INFO L134 CoverageAnalysis]: Checked inductivity of 584 backedges. 281 proven. 30 refuted. 0 times theorem prover too weak. 273 trivial. 0 not checked. [2024-11-13 14:29:07,705 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:29:07,781 INFO L134 CoverageAnalysis]: Checked inductivity of 584 backedges. 181 proven. 1 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2024-11-13 14:29:07,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [621213677] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 14:29:07,781 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 14:29:07,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 6, 4] total 9 [2024-11-13 14:29:07,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568486052] [2024-11-13 14:29:07,782 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 14:29:07,784 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 14:29:07,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:29:07,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 14:29:07,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-13 14:29:07,786 INFO L87 Difference]: Start difference. First operand 1913 states and 2795 transitions. Second operand has 9 states, 9 states have (on average 66.0) internal successors, (594), 9 states have internal predecessors, (594), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-13 14:29:07,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:29:07,893 INFO L93 Difference]: Finished difference Result 2896 states and 4233 transitions. [2024-11-13 14:29:07,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 14:29:07,894 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 66.0) internal successors, (594), 9 states have internal predecessors, (594), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 677 [2024-11-13 14:29:07,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:29:07,899 INFO L225 Difference]: With dead ends: 2896 [2024-11-13 14:29:07,899 INFO L226 Difference]: Without dead ends: 1916 [2024-11-13 14:29:07,901 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1377 GetRequests, 1369 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-13 14:29:07,902 INFO L432 NwaCegarLoop]: 1091 mSDtfsCounter, 10 mSDsluCounter, 4340 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 5431 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:29:07,902 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 5431 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:29:07,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1916 states. [2024-11-13 14:29:07,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1916 to 1916. [2024-11-13 14:29:07,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1916 states, 1899 states have (on average 1.4576092680358084) internal successors, (2768), 1899 states have internal predecessors, (2768), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-13 14:29:07,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1916 states to 1916 states and 2798 transitions. [2024-11-13 14:29:07,972 INFO L78 Accepts]: Start accepts. Automaton has 1916 states and 2798 transitions. Word has length 677 [2024-11-13 14:29:07,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:29:07,972 INFO L471 AbstractCegarLoop]: Abstraction has 1916 states and 2798 transitions. [2024-11-13 14:29:07,973 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 66.0) internal successors, (594), 9 states have internal predecessors, (594), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-13 14:29:07,973 INFO L276 IsEmpty]: Start isEmpty. Operand 1916 states and 2798 transitions. [2024-11-13 14:29:07,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 681 [2024-11-13 14:29:07,980 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:29:07,981 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:29:08,024 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-11-13 14:29:08,181 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2024-11-13 14:29:08,181 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:29:08,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:29:08,182 INFO L85 PathProgramCache]: Analyzing trace with hash -1295540576, now seen corresponding path program 2 times [2024-11-13 14:29:08,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:29:08,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406161161] [2024-11-13 14:29:08,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:29:08,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:29:08,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:29:09,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-13 14:29:09,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:29:09,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-13 14:29:09,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:29:09,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-13 14:29:09,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:29:09,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-13 14:29:09,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:29:09,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-13 14:29:09,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:29:09,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 487 [2024-11-13 14:29:09,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:29:09,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 499 [2024-11-13 14:29:09,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:29:09,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 525 [2024-11-13 14:29:09,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:29:09,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 549 [2024-11-13 14:29:09,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:29:09,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 559 [2024-11-13 14:29:09,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:29:09,692 INFO L134 CoverageAnalysis]: Checked inductivity of 593 backedges. 181 proven. 10 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2024-11-13 14:29:09,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:29:09,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406161161] [2024-11-13 14:29:09,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1406161161] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:29:09,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [939693714] [2024-11-13 14:29:09,693 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 14:29:09,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:29:09,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:29:09,695 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:29:09,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-13 14:29:12,036 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-13 14:29:12,037 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 14:29:12,046 INFO L255 TraceCheckSpWp]: Trace formula consists of 802 conjuncts, 64 conjuncts are in the unsatisfiable core [2024-11-13 14:29:12,059 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:29:15,318 INFO L134 CoverageAnalysis]: Checked inductivity of 593 backedges. 169 proven. 9 refuted. 0 times theorem prover too weak. 415 trivial. 0 not checked. [2024-11-13 14:29:15,318 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:29:19,281 INFO L134 CoverageAnalysis]: Checked inductivity of 593 backedges. 101 proven. 77 refuted. 0 times theorem prover too weak. 415 trivial. 0 not checked. [2024-11-13 14:29:19,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [939693714] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 14:29:19,281 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 14:29:19,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 11, 12] total 26 [2024-11-13 14:29:19,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039853360] [2024-11-13 14:29:19,282 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 14:29:19,284 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-13 14:29:19,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:29:19,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-13 14:29:19,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=537, Unknown=0, NotChecked=0, Total=650 [2024-11-13 14:29:19,286 INFO L87 Difference]: Start difference. First operand 1916 states and 2798 transitions. Second operand has 26 states, 26 states have (on average 62.46153846153846) internal successors, (1624), 26 states have internal predecessors, (1624), 6 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 6 states have call predecessors, (30), 6 states have call successors, (30) [2024-11-13 14:29:23,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:29:23,769 INFO L93 Difference]: Finished difference Result 4077 states and 5966 transitions. [2024-11-13 14:29:23,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-13 14:29:23,769 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 62.46153846153846) internal successors, (1624), 26 states have internal predecessors, (1624), 6 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 6 states have call predecessors, (30), 6 states have call successors, (30) Word has length 680 [2024-11-13 14:29:23,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:29:23,777 INFO L225 Difference]: With dead ends: 4077 [2024-11-13 14:29:23,777 INFO L226 Difference]: Without dead ends: 2724 [2024-11-13 14:29:23,779 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1398 GetRequests, 1364 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 166 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=186, Invalid=1074, Unknown=0, NotChecked=0, Total=1260 [2024-11-13 14:29:23,780 INFO L432 NwaCegarLoop]: 814 mSDtfsCounter, 1491 mSDsluCounter, 11676 mSDsCounter, 0 mSdLazyCounter, 5332 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1491 SdHoareTripleChecker+Valid, 12490 SdHoareTripleChecker+Invalid, 5341 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 5332 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:29:23,780 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1491 Valid, 12490 Invalid, 5341 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 5332 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2024-11-13 14:29:23,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2724 states. [2024-11-13 14:29:23,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2724 to 2715. [2024-11-13 14:29:23,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2715 states, 2668 states have (on average 1.4561469265367317) internal successors, (3885), 2668 states have internal predecessors, (3885), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-13 14:29:23,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2715 states to 2715 states and 3975 transitions. [2024-11-13 14:29:23,898 INFO L78 Accepts]: Start accepts. Automaton has 2715 states and 3975 transitions. Word has length 680 [2024-11-13 14:29:23,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:29:23,899 INFO L471 AbstractCegarLoop]: Abstraction has 2715 states and 3975 transitions. [2024-11-13 14:29:23,899 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 62.46153846153846) internal successors, (1624), 26 states have internal predecessors, (1624), 6 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 6 states have call predecessors, (30), 6 states have call successors, (30) [2024-11-13 14:29:23,899 INFO L276 IsEmpty]: Start isEmpty. Operand 2715 states and 3975 transitions. [2024-11-13 14:29:23,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 682 [2024-11-13 14:29:23,906 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:29:23,906 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:29:23,933 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2024-11-13 14:29:24,107 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2024-11-13 14:29:24,107 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:29:24,108 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:29:24,108 INFO L85 PathProgramCache]: Analyzing trace with hash -567366386, now seen corresponding path program 1 times [2024-11-13 14:29:24,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:29:24,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416495371] [2024-11-13 14:29:24,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:29:24,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:29:24,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:29:25,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-13 14:29:25,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:29:25,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-13 14:29:25,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:29:25,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-13 14:29:25,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:29:25,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-13 14:29:25,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:29:25,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-13 14:29:25,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:29:25,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 488 [2024-11-13 14:29:25,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:29:25,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 500 [2024-11-13 14:29:25,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:29:25,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 526 [2024-11-13 14:29:25,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:29:25,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2024-11-13 14:29:25,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:29:25,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 560 [2024-11-13 14:29:25,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:29:25,330 INFO L134 CoverageAnalysis]: Checked inductivity of 598 backedges. 181 proven. 15 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2024-11-13 14:29:25,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:29:25,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416495371] [2024-11-13 14:29:25,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416495371] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:29:25,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1375659978] [2024-11-13 14:29:25,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:29:25,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:29:25,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:29:25,333 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:29:25,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-13 14:29:27,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:29:27,714 INFO L255 TraceCheckSpWp]: Trace formula consists of 3498 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-13 14:29:27,722 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:29:27,823 INFO L134 CoverageAnalysis]: Checked inductivity of 598 backedges. 281 proven. 98 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2024-11-13 14:29:27,823 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:29:27,971 INFO L134 CoverageAnalysis]: Checked inductivity of 598 backedges. 181 proven. 15 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2024-11-13 14:29:27,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1375659978] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 14:29:27,971 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 14:29:27,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 14, 8] total 21 [2024-11-13 14:29:27,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666757127] [2024-11-13 14:29:27,971 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 14:29:27,972 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-13 14:29:27,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:29:27,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-13 14:29:27,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=342, Unknown=0, NotChecked=0, Total=420 [2024-11-13 14:29:27,973 INFO L87 Difference]: Start difference. First operand 2715 states and 3975 transitions. Second operand has 21 states, 21 states have (on average 29.238095238095237) internal successors, (614), 21 states have internal predecessors, (614), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-13 14:29:28,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:29:28,206 INFO L93 Difference]: Finished difference Result 3968 states and 5809 transitions. [2024-11-13 14:29:28,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-13 14:29:28,207 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 29.238095238095237) internal successors, (614), 21 states have internal predecessors, (614), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 681 [2024-11-13 14:29:28,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:29:28,212 INFO L225 Difference]: With dead ends: 3968 [2024-11-13 14:29:28,212 INFO L226 Difference]: Without dead ends: 2718 [2024-11-13 14:29:28,214 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1389 GetRequests, 1369 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=89, Invalid=373, Unknown=0, NotChecked=0, Total=462 [2024-11-13 14:29:28,215 INFO L432 NwaCegarLoop]: 1111 mSDtfsCounter, 26 mSDsluCounter, 14367 mSDsCounter, 0 mSdLazyCounter, 276 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 15478 SdHoareTripleChecker+Invalid, 276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:29:28,215 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 15478 Invalid, 276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 276 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:29:28,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2718 states. [2024-11-13 14:29:28,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2718 to 2718. [2024-11-13 14:29:28,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2718 states, 2671 states have (on average 1.4556345937850992) internal successors, (3888), 2671 states have internal predecessors, (3888), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-13 14:29:28,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2718 states to 2718 states and 3978 transitions. [2024-11-13 14:29:28,305 INFO L78 Accepts]: Start accepts. Automaton has 2718 states and 3978 transitions. Word has length 681 [2024-11-13 14:29:28,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:29:28,307 INFO L471 AbstractCegarLoop]: Abstraction has 2718 states and 3978 transitions. [2024-11-13 14:29:28,310 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 29.238095238095237) internal successors, (614), 21 states have internal predecessors, (614), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-13 14:29:28,310 INFO L276 IsEmpty]: Start isEmpty. Operand 2718 states and 3978 transitions. [2024-11-13 14:29:28,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 685 [2024-11-13 14:29:28,364 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:29:28,364 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:29:28,403 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2024-11-13 14:29:28,565 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2024-11-13 14:29:28,565 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:29:28,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:29:28,565 INFO L85 PathProgramCache]: Analyzing trace with hash 1144844000, now seen corresponding path program 2 times [2024-11-13 14:29:28,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:29:28,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425569768] [2024-11-13 14:29:28,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:29:28,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:29:29,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:29:30,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-13 14:29:30,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:29:30,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-13 14:29:30,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:29:30,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-13 14:29:30,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:29:30,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-13 14:29:30,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:29:30,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-13 14:29:30,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:29:30,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2024-11-13 14:29:30,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:29:30,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2024-11-13 14:29:30,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:29:30,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2024-11-13 14:29:30,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:29:30,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 553 [2024-11-13 14:29:30,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:29:30,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2024-11-13 14:29:30,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:29:30,034 INFO L134 CoverageAnalysis]: Checked inductivity of 619 backedges. 181 proven. 1 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2024-11-13 14:29:30,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:29:30,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425569768] [2024-11-13 14:29:30,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425569768] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:29:30,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1582000497] [2024-11-13 14:29:30,035 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 14:29:30,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:29:30,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:29:30,038 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:29:30,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-13 14:29:32,300 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-13 14:29:32,300 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 14:29:32,307 INFO L255 TraceCheckSpWp]: Trace formula consists of 802 conjuncts, 52 conjuncts are in the unsatisfiable core [2024-11-13 14:29:32,319 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:29:36,570 INFO L134 CoverageAnalysis]: Checked inductivity of 619 backedges. 2 proven. 110 refuted. 0 times theorem prover too weak. 507 trivial. 0 not checked. [2024-11-13 14:29:36,571 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:29:37,697 INFO L134 CoverageAnalysis]: Checked inductivity of 619 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 536 trivial. 0 not checked. [2024-11-13 14:29:37,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1582000497] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-13 14:29:37,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-13 14:29:37,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [4, 11] total 21 [2024-11-13 14:29:37,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685156764] [2024-11-13 14:29:37,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:29:37,699 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 14:29:37,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:29:37,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 14:29:37,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=367, Unknown=0, NotChecked=0, Total=420 [2024-11-13 14:29:37,700 INFO L87 Difference]: Start difference. First operand 2718 states and 3978 transitions. Second operand has 10 states, 10 states have (on average 49.0) internal successors, (490), 10 states have internal predecessors, (490), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-13 14:29:39,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:29:39,828 INFO L93 Difference]: Finished difference Result 4127 states and 6042 transitions. [2024-11-13 14:29:39,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 14:29:39,829 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 49.0) internal successors, (490), 10 states have internal predecessors, (490), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 684 [2024-11-13 14:29:39,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:29:39,836 INFO L225 Difference]: With dead ends: 4127 [2024-11-13 14:29:39,837 INFO L226 Difference]: Without dead ends: 2874 [2024-11-13 14:29:39,839 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1390 GetRequests, 1371 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=53, Invalid=367, Unknown=0, NotChecked=0, Total=420 [2024-11-13 14:29:39,840 INFO L432 NwaCegarLoop]: 1067 mSDtfsCounter, 144 mSDsluCounter, 5543 mSDsCounter, 0 mSdLazyCounter, 2106 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 6610 SdHoareTripleChecker+Invalid, 2112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:29:39,840 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 6610 Invalid, 2112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2106 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-13 14:29:39,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2874 states. [2024-11-13 14:29:39,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2874 to 2719. [2024-11-13 14:29:39,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2719 states, 2672 states have (on average 1.4558383233532934) internal successors, (3890), 2672 states have internal predecessors, (3890), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-13 14:29:39,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2719 states to 2719 states and 3980 transitions. [2024-11-13 14:29:39,986 INFO L78 Accepts]: Start accepts. Automaton has 2719 states and 3980 transitions. Word has length 684 [2024-11-13 14:29:39,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:29:39,988 INFO L471 AbstractCegarLoop]: Abstraction has 2719 states and 3980 transitions. [2024-11-13 14:29:39,988 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 49.0) internal successors, (490), 10 states have internal predecessors, (490), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-13 14:29:39,988 INFO L276 IsEmpty]: Start isEmpty. Operand 2719 states and 3980 transitions. [2024-11-13 14:29:39,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 685 [2024-11-13 14:29:39,998 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:29:39,998 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:29:40,031 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2024-11-13 14:29:40,199 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2024-11-13 14:29:40,199 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:29:40,200 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:29:40,200 INFO L85 PathProgramCache]: Analyzing trace with hash -1245167555, now seen corresponding path program 1 times [2024-11-13 14:29:40,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:29:40,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571445234] [2024-11-13 14:29:40,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:29:40,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:29:40,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:29:41,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-13 14:29:41,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:29:41,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-13 14:29:41,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:29:41,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-13 14:29:41,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:29:41,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-13 14:29:41,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:29:41,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-13 14:29:41,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:29:41,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2024-11-13 14:29:41,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:29:41,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2024-11-13 14:29:41,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:29:41,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2024-11-13 14:29:41,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:29:41,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 553 [2024-11-13 14:29:41,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:29:41,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2024-11-13 14:29:41,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:29:41,342 INFO L134 CoverageAnalysis]: Checked inductivity of 618 backedges. 180 proven. 1 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2024-11-13 14:29:41,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:29:41,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571445234] [2024-11-13 14:29:41,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1571445234] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:29:41,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [355937194] [2024-11-13 14:29:41,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:29:41,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:29:41,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:29:41,344 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:29:41,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-13 14:29:44,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:29:44,076 INFO L255 TraceCheckSpWp]: Trace formula consists of 3525 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 14:29:44,088 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:29:44,182 INFO L134 CoverageAnalysis]: Checked inductivity of 618 backedges. 108 proven. 2 refuted. 0 times theorem prover too weak. 508 trivial. 0 not checked. [2024-11-13 14:29:44,182 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:29:44,327 INFO L134 CoverageAnalysis]: Checked inductivity of 618 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 510 trivial. 0 not checked. [2024-11-13 14:29:44,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [355937194] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-13 14:29:44,328 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-13 14:29:44,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4, 7] total 12 [2024-11-13 14:29:44,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159600831] [2024-11-13 14:29:44,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:29:44,330 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 14:29:44,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:29:44,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 14:29:44,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-11-13 14:29:44,331 INFO L87 Difference]: Start difference. First operand 2719 states and 3980 transitions. Second operand has 5 states, 5 states have (on average 103.0) internal successors, (515), 5 states have internal predecessors, (515), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-13 14:29:44,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:29:44,422 INFO L93 Difference]: Finished difference Result 4348 states and 6347 transitions. [2024-11-13 14:29:44,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 14:29:44,423 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 103.0) internal successors, (515), 5 states have internal predecessors, (515), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 684 [2024-11-13 14:29:44,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:29:44,429 INFO L225 Difference]: With dead ends: 4348 [2024-11-13 14:29:44,429 INFO L226 Difference]: Without dead ends: 2942 [2024-11-13 14:29:44,432 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1390 GetRequests, 1380 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-11-13 14:29:44,433 INFO L432 NwaCegarLoop]: 1086 mSDtfsCounter, 40 mSDsluCounter, 3246 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 4332 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:29:44,433 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 4332 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:29:44,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2942 states. [2024-11-13 14:29:44,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2942 to 2942. [2024-11-13 14:29:44,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2942 states, 2895 states have (on average 1.4490500863557858) internal successors, (4195), 2895 states have internal predecessors, (4195), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-13 14:29:44,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2942 states to 2942 states and 4285 transitions. [2024-11-13 14:29:44,533 INFO L78 Accepts]: Start accepts. Automaton has 2942 states and 4285 transitions. Word has length 684 [2024-11-13 14:29:44,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:29:44,534 INFO L471 AbstractCegarLoop]: Abstraction has 2942 states and 4285 transitions. [2024-11-13 14:29:44,534 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 103.0) internal successors, (515), 5 states have internal predecessors, (515), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-13 14:29:44,535 INFO L276 IsEmpty]: Start isEmpty. Operand 2942 states and 4285 transitions. [2024-11-13 14:29:44,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 686 [2024-11-13 14:29:44,543 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:29:44,544 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:29:44,584 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2024-11-13 14:29:44,744 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2024-11-13 14:29:44,745 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:29:44,745 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:29:44,745 INFO L85 PathProgramCache]: Analyzing trace with hash 1132211539, now seen corresponding path program 1 times [2024-11-13 14:29:44,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:29:44,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563354071] [2024-11-13 14:29:44,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:29:44,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:29:45,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:29:45,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-13 14:29:45,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:29:45,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-13 14:29:45,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:29:45,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-13 14:29:45,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:29:45,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-13 14:29:45,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:29:45,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-13 14:29:45,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:29:45,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2024-11-13 14:29:45,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:29:45,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2024-11-13 14:29:45,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:29:45,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2024-11-13 14:29:45,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:29:45,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 553 [2024-11-13 14:29:45,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:29:45,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2024-11-13 14:29:45,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:29:45,925 INFO L134 CoverageAnalysis]: Checked inductivity of 619 backedges. 181 proven. 1 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2024-11-13 14:29:45,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:29:45,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563354071] [2024-11-13 14:29:45,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [563354071] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:29:45,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [139247439] [2024-11-13 14:29:45,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:29:45,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:29:45,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:29:45,929 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:29:45,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-13 14:29:48,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:29:48,851 INFO L255 TraceCheckSpWp]: Trace formula consists of 3526 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 14:29:48,859 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:29:48,897 INFO L134 CoverageAnalysis]: Checked inductivity of 619 backedges. 281 proven. 30 refuted. 0 times theorem prover too weak. 308 trivial. 0 not checked. [2024-11-13 14:29:48,897 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:29:48,966 INFO L134 CoverageAnalysis]: Checked inductivity of 619 backedges. 181 proven. 1 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2024-11-13 14:29:48,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [139247439] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 14:29:48,966 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 14:29:48,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 6, 4] total 9 [2024-11-13 14:29:48,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580210982] [2024-11-13 14:29:48,966 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 14:29:48,967 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 14:29:48,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:29:48,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 14:29:48,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-13 14:29:48,968 INFO L87 Difference]: Start difference. First operand 2942 states and 4285 transitions. Second operand has 9 states, 9 states have (on average 66.11111111111111) internal successors, (595), 9 states have internal predecessors, (595), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-13 14:29:49,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:29:49,083 INFO L93 Difference]: Finished difference Result 4284 states and 6241 transitions. [2024-11-13 14:29:49,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 14:29:49,084 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 66.11111111111111) internal successors, (595), 9 states have internal predecessors, (595), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 685 [2024-11-13 14:29:49,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:29:49,088 INFO L225 Difference]: With dead ends: 4284 [2024-11-13 14:29:49,088 INFO L226 Difference]: Without dead ends: 2945 [2024-11-13 14:29:49,090 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1393 GetRequests, 1385 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-13 14:29:49,091 INFO L432 NwaCegarLoop]: 1091 mSDtfsCounter, 10 mSDsluCounter, 4340 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 5431 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:29:49,091 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 5431 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:29:49,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2945 states. [2024-11-13 14:29:49,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2945 to 2945. [2024-11-13 14:29:49,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2945 states, 2898 states have (on average 1.448585231193927) internal successors, (4198), 2898 states have internal predecessors, (4198), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-13 14:29:49,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2945 states to 2945 states and 4288 transitions. [2024-11-13 14:29:49,155 INFO L78 Accepts]: Start accepts. Automaton has 2945 states and 4288 transitions. Word has length 685 [2024-11-13 14:29:49,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:29:49,155 INFO L471 AbstractCegarLoop]: Abstraction has 2945 states and 4288 transitions. [2024-11-13 14:29:49,155 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 66.11111111111111) internal successors, (595), 9 states have internal predecessors, (595), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-13 14:29:49,155 INFO L276 IsEmpty]: Start isEmpty. Operand 2945 states and 4288 transitions. [2024-11-13 14:29:49,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 689 [2024-11-13 14:29:49,161 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:29:49,161 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:29:49,194 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2024-11-13 14:29:49,361 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2024-11-13 14:29:49,362 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:29:49,362 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:29:49,362 INFO L85 PathProgramCache]: Analyzing trace with hash -803071481, now seen corresponding path program 2 times [2024-11-13 14:29:49,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:29:49,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119552956] [2024-11-13 14:29:49,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:29:49,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:29:49,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:29:50,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-13 14:29:50,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:29:50,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-13 14:29:50,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:29:50,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-13 14:29:50,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:29:50,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-13 14:29:50,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:29:50,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-13 14:29:50,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:29:50,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2024-11-13 14:29:50,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:29:50,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 506 [2024-11-13 14:29:50,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:29:50,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 532 [2024-11-13 14:29:50,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:29:50,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2024-11-13 14:29:50,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:29:50,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 566 [2024-11-13 14:29:50,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:29:50,729 INFO L134 CoverageAnalysis]: Checked inductivity of 628 backedges. 181 proven. 10 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2024-11-13 14:29:50,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:29:50,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119552956] [2024-11-13 14:29:50,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2119552956] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:29:50,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [236388823] [2024-11-13 14:29:50,730 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 14:29:50,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:29:50,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:29:50,732 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:29:50,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-11-13 14:29:53,314 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-13 14:29:53,314 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 14:29:53,322 INFO L255 TraceCheckSpWp]: Trace formula consists of 803 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 14:29:53,330 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:29:57,317 INFO L134 CoverageAnalysis]: Checked inductivity of 628 backedges. 2 proven. 110 refuted. 0 times theorem prover too weak. 516 trivial. 0 not checked. [2024-11-13 14:29:57,317 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:30:11,623 INFO L134 CoverageAnalysis]: Checked inductivity of 628 backedges. 2 proven. 110 refuted. 0 times theorem prover too weak. 516 trivial. 0 not checked. [2024-11-13 14:30:11,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [236388823] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 14:30:11,623 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 14:30:11,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 9] total 20 [2024-11-13 14:30:11,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462751619] [2024-11-13 14:30:11,624 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 14:30:11,625 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-13 14:30:11,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:30:11,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-13 14:30:11,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2024-11-13 14:30:11,626 INFO L87 Difference]: Start difference. First operand 2945 states and 4288 transitions. Second operand has 20 states, 20 states have (on average 80.35) internal successors, (1607), 20 states have internal predecessors, (1607), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) [2024-11-13 14:30:13,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:30:13,688 INFO L93 Difference]: Finished difference Result 4290 states and 6247 transitions. [2024-11-13 14:30:13,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-13 14:30:13,689 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 80.35) internal successors, (1607), 20 states have internal predecessors, (1607), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) Word has length 688 [2024-11-13 14:30:13,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:30:13,693 INFO L225 Difference]: With dead ends: 4290 [2024-11-13 14:30:13,693 INFO L226 Difference]: Without dead ends: 2945 [2024-11-13 14:30:13,696 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1417 GetRequests, 1386 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=141, Invalid=915, Unknown=0, NotChecked=0, Total=1056 [2024-11-13 14:30:13,696 INFO L432 NwaCegarLoop]: 785 mSDtfsCounter, 874 mSDsluCounter, 4931 mSDsCounter, 0 mSdLazyCounter, 2437 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 874 SdHoareTripleChecker+Valid, 5716 SdHoareTripleChecker+Invalid, 2440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 2437 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-13 14:30:13,696 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [874 Valid, 5716 Invalid, 2440 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 2437 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-13 14:30:13,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2945 states. [2024-11-13 14:30:13,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2945 to 2944. [2024-11-13 14:30:13,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2944 states, 2897 states have (on average 1.4477045219192268) internal successors, (4194), 2897 states have internal predecessors, (4194), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-13 14:30:13,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2944 states to 2944 states and 4284 transitions. [2024-11-13 14:30:13,792 INFO L78 Accepts]: Start accepts. Automaton has 2944 states and 4284 transitions. Word has length 688 [2024-11-13 14:30:13,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:30:13,793 INFO L471 AbstractCegarLoop]: Abstraction has 2944 states and 4284 transitions. [2024-11-13 14:30:13,793 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 80.35) internal successors, (1607), 20 states have internal predecessors, (1607), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) [2024-11-13 14:30:13,793 INFO L276 IsEmpty]: Start isEmpty. Operand 2944 states and 4284 transitions. [2024-11-13 14:30:13,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 690 [2024-11-13 14:30:13,801 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:30:13,801 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:30:13,824 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2024-11-13 14:30:14,001 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-11-13 14:30:14,002 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:30:14,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:30:14,002 INFO L85 PathProgramCache]: Analyzing trace with hash 142815186, now seen corresponding path program 1 times [2024-11-13 14:30:14,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:30:14,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685752356] [2024-11-13 14:30:14,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:30:14,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:30:14,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:15,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-13 14:30:15,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:15,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-13 14:30:15,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:15,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-13 14:30:15,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:15,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-13 14:30:15,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:15,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-13 14:30:15,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:15,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 495 [2024-11-13 14:30:15,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:15,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 507 [2024-11-13 14:30:15,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:15,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 533 [2024-11-13 14:30:15,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:15,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2024-11-13 14:30:15,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:15,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 567 [2024-11-13 14:30:15,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:15,377 INFO L134 CoverageAnalysis]: Checked inductivity of 633 backedges. 181 proven. 15 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2024-11-13 14:30:15,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:30:15,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685752356] [2024-11-13 14:30:15,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [685752356] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:30:15,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [557769267] [2024-11-13 14:30:15,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:30:15,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:30:15,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:30:15,379 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:30:15,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-11-13 14:30:18,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:18,268 INFO L255 TraceCheckSpWp]: Trace formula consists of 3562 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-13 14:30:18,279 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:30:18,431 INFO L134 CoverageAnalysis]: Checked inductivity of 633 backedges. 281 proven. 98 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-11-13 14:30:18,431 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:30:18,622 INFO L134 CoverageAnalysis]: Checked inductivity of 633 backedges. 181 proven. 15 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2024-11-13 14:30:18,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [557769267] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 14:30:18,623 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 14:30:18,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 14, 8] total 21 [2024-11-13 14:30:18,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872127742] [2024-11-13 14:30:18,623 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 14:30:18,624 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-13 14:30:18,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:30:18,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-13 14:30:18,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=342, Unknown=0, NotChecked=0, Total=420 [2024-11-13 14:30:18,626 INFO L87 Difference]: Start difference. First operand 2944 states and 4284 transitions. Second operand has 21 states, 21 states have (on average 29.285714285714285) internal successors, (615), 21 states have internal predecessors, (615), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-13 14:30:18,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:30:18,860 INFO L93 Difference]: Finished difference Result 4288 states and 6239 transitions. [2024-11-13 14:30:18,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-13 14:30:18,861 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 29.285714285714285) internal successors, (615), 21 states have internal predecessors, (615), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 689 [2024-11-13 14:30:18,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:30:18,864 INFO L225 Difference]: With dead ends: 4288 [2024-11-13 14:30:18,864 INFO L226 Difference]: Without dead ends: 2947 [2024-11-13 14:30:18,866 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1405 GetRequests, 1385 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=89, Invalid=373, Unknown=0, NotChecked=0, Total=462 [2024-11-13 14:30:18,866 INFO L432 NwaCegarLoop]: 1109 mSDtfsCounter, 26 mSDsluCounter, 13236 mSDsCounter, 0 mSdLazyCounter, 254 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 14345 SdHoareTripleChecker+Invalid, 254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:30:18,867 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 14345 Invalid, 254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 254 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:30:18,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2947 states. [2024-11-13 14:30:18,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2947 to 2947. [2024-11-13 14:30:18,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2947 states, 2900 states have (on average 1.447241379310345) internal successors, (4197), 2900 states have internal predecessors, (4197), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-13 14:30:18,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2947 states to 2947 states and 4287 transitions. [2024-11-13 14:30:18,927 INFO L78 Accepts]: Start accepts. Automaton has 2947 states and 4287 transitions. Word has length 689 [2024-11-13 14:30:18,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:30:18,927 INFO L471 AbstractCegarLoop]: Abstraction has 2947 states and 4287 transitions. [2024-11-13 14:30:18,928 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 29.285714285714285) internal successors, (615), 21 states have internal predecessors, (615), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-13 14:30:18,928 INFO L276 IsEmpty]: Start isEmpty. Operand 2947 states and 4287 transitions. [2024-11-13 14:30:18,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 693 [2024-11-13 14:30:18,933 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:30:18,933 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:30:18,964 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2024-11-13 14:30:19,134 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2024-11-13 14:30:19,134 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:30:19,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:30:19,134 INFO L85 PathProgramCache]: Analyzing trace with hash -1036279162, now seen corresponding path program 2 times [2024-11-13 14:30:19,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:30:19,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852400587] [2024-11-13 14:30:19,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:30:19,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:30:19,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:20,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-13 14:30:20,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:20,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-13 14:30:20,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:20,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-13 14:30:20,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:20,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-13 14:30:20,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:20,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-13 14:30:20,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:20,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 498 [2024-11-13 14:30:20,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:20,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2024-11-13 14:30:20,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:20,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 536 [2024-11-13 14:30:20,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:20,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 560 [2024-11-13 14:30:20,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:20,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 570 [2024-11-13 14:30:20,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:20,359 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 181 proven. 1 refuted. 0 times theorem prover too weak. 472 trivial. 0 not checked. [2024-11-13 14:30:20,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:30:20,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852400587] [2024-11-13 14:30:20,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852400587] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:30:20,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1803678043] [2024-11-13 14:30:20,359 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 14:30:20,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:30:20,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:30:20,361 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:30:20,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-11-13 14:30:23,129 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-13 14:30:23,129 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 14:30:23,136 INFO L255 TraceCheckSpWp]: Trace formula consists of 803 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-13 14:30:23,144 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:30:23,285 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 571 trivial. 0 not checked. [2024-11-13 14:30:23,285 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 14:30:23,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1803678043] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:30:23,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 14:30:23,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [4] total 9 [2024-11-13 14:30:23,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613711100] [2024-11-13 14:30:23,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:30:23,287 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 14:30:23,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:30:23,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 14:30:23,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-13 14:30:23,288 INFO L87 Difference]: Start difference. First operand 2947 states and 4287 transitions. Second operand has 7 states, 7 states have (on average 70.14285714285714) internal successors, (491), 7 states have internal predecessors, (491), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-13 14:30:23,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:30:23,411 INFO L93 Difference]: Finished difference Result 4441 states and 6461 transitions. [2024-11-13 14:30:23,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 14:30:23,411 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 70.14285714285714) internal successors, (491), 7 states have internal predecessors, (491), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 692 [2024-11-13 14:30:23,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:30:23,415 INFO L225 Difference]: With dead ends: 4441 [2024-11-13 14:30:23,415 INFO L226 Difference]: Without dead ends: 3097 [2024-11-13 14:30:23,418 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 715 GetRequests, 708 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-13 14:30:23,418 INFO L432 NwaCegarLoop]: 1079 mSDtfsCounter, 141 mSDsluCounter, 5380 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 6459 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:30:23,418 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 6459 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:30:23,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3097 states. [2024-11-13 14:30:23,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3097 to 2944. [2024-11-13 14:30:23,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2944 states, 2897 states have (on average 1.4473593372454263) internal successors, (4193), 2897 states have internal predecessors, (4193), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-13 14:30:23,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2944 states to 2944 states and 4283 transitions. [2024-11-13 14:30:23,485 INFO L78 Accepts]: Start accepts. Automaton has 2944 states and 4283 transitions. Word has length 692 [2024-11-13 14:30:23,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:30:23,485 INFO L471 AbstractCegarLoop]: Abstraction has 2944 states and 4283 transitions. [2024-11-13 14:30:23,486 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 70.14285714285714) internal successors, (491), 7 states have internal predecessors, (491), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-13 14:30:23,486 INFO L276 IsEmpty]: Start isEmpty. Operand 2944 states and 4283 transitions. [2024-11-13 14:30:23,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 693 [2024-11-13 14:30:23,492 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:30:23,493 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:30:23,520 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2024-11-13 14:30:23,693 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2024-11-13 14:30:23,693 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:30:23,693 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:30:23,694 INFO L85 PathProgramCache]: Analyzing trace with hash 2013489319, now seen corresponding path program 1 times [2024-11-13 14:30:23,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:30:23,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184990435] [2024-11-13 14:30:23,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:30:23,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:30:24,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:24,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-13 14:30:24,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:24,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-13 14:30:24,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:24,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-13 14:30:24,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:24,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-13 14:30:24,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:24,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-13 14:30:24,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:24,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 498 [2024-11-13 14:30:24,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:24,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2024-11-13 14:30:24,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:24,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 536 [2024-11-13 14:30:24,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:24,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 560 [2024-11-13 14:30:24,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:24,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 570 [2024-11-13 14:30:24,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:24,877 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 181 proven. 1 refuted. 0 times theorem prover too weak. 472 trivial. 0 not checked. [2024-11-13 14:30:24,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:30:24,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184990435] [2024-11-13 14:30:24,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1184990435] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:30:24,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1974213359] [2024-11-13 14:30:24,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:30:24,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:30:24,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:30:24,879 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:30:24,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-11-13 14:30:27,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:27,864 INFO L255 TraceCheckSpWp]: Trace formula consists of 3589 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 14:30:27,872 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:30:27,908 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 281 proven. 30 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2024-11-13 14:30:27,908 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:30:27,972 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 181 proven. 1 refuted. 0 times theorem prover too weak. 472 trivial. 0 not checked. [2024-11-13 14:30:27,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1974213359] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 14:30:27,972 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 14:30:27,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 6, 4] total 9 [2024-11-13 14:30:27,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283894044] [2024-11-13 14:30:27,972 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 14:30:27,973 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 14:30:27,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:30:27,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 14:30:27,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-13 14:30:27,974 INFO L87 Difference]: Start difference. First operand 2944 states and 4283 transitions. Second operand has 9 states, 9 states have (on average 66.11111111111111) internal successors, (595), 9 states have internal predecessors, (595), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-13 14:30:28,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:30:28,080 INFO L93 Difference]: Finished difference Result 4290 states and 6239 transitions. [2024-11-13 14:30:28,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 14:30:28,081 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 66.11111111111111) internal successors, (595), 9 states have internal predecessors, (595), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 692 [2024-11-13 14:30:28,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:30:28,086 INFO L225 Difference]: With dead ends: 4290 [2024-11-13 14:30:28,086 INFO L226 Difference]: Without dead ends: 2947 [2024-11-13 14:30:28,089 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1407 GetRequests, 1399 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-13 14:30:28,089 INFO L432 NwaCegarLoop]: 1089 mSDtfsCounter, 10 mSDsluCounter, 4332 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 5421 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:30:28,090 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 5421 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:30:28,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2947 states. [2024-11-13 14:30:28,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2947 to 2947. [2024-11-13 14:30:28,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2947 states, 2900 states have (on average 1.446896551724138) internal successors, (4196), 2900 states have internal predecessors, (4196), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-13 14:30:28,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2947 states to 2947 states and 4286 transitions. [2024-11-13 14:30:28,189 INFO L78 Accepts]: Start accepts. Automaton has 2947 states and 4286 transitions. Word has length 692 [2024-11-13 14:30:28,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:30:28,190 INFO L471 AbstractCegarLoop]: Abstraction has 2947 states and 4286 transitions. [2024-11-13 14:30:28,190 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 66.11111111111111) internal successors, (595), 9 states have internal predecessors, (595), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-13 14:30:28,190 INFO L276 IsEmpty]: Start isEmpty. Operand 2947 states and 4286 transitions. [2024-11-13 14:30:28,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 696 [2024-11-13 14:30:28,198 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:30:28,198 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 8, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:30:28,241 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Ended with exit code 0 [2024-11-13 14:30:28,399 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-11-13 14:30:28,399 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:30:28,399 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:30:28,400 INFO L85 PathProgramCache]: Analyzing trace with hash 1552734899, now seen corresponding path program 2 times [2024-11-13 14:30:28,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:30:28,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329345646] [2024-11-13 14:30:28,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:30:28,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:30:28,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:29,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-13 14:30:29,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:29,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-13 14:30:29,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:29,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-13 14:30:29,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:29,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-13 14:30:29,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:29,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-13 14:30:29,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:29,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 501 [2024-11-13 14:30:29,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:29,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2024-11-13 14:30:29,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:29,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 539 [2024-11-13 14:30:29,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:29,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2024-11-13 14:30:29,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:29,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 573 [2024-11-13 14:30:29,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:29,877 INFO L134 CoverageAnalysis]: Checked inductivity of 663 backedges. 181 proven. 10 refuted. 0 times theorem prover too weak. 472 trivial. 0 not checked. [2024-11-13 14:30:29,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:30:29,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329345646] [2024-11-13 14:30:29,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1329345646] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:30:29,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1137004011] [2024-11-13 14:30:29,878 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 14:30:29,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:30:29,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:30:29,880 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:30:29,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-11-13 14:30:32,627 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-13 14:30:32,627 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 14:30:32,635 INFO L255 TraceCheckSpWp]: Trace formula consists of 803 conjuncts, 53 conjuncts are in the unsatisfiable core [2024-11-13 14:30:32,644 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:30:34,137 INFO L134 CoverageAnalysis]: Checked inductivity of 663 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 574 trivial. 0 not checked. [2024-11-13 14:30:34,137 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 14:30:34,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1137004011] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:30:34,137 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 14:30:34,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [7] total 22 [2024-11-13 14:30:34,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779232784] [2024-11-13 14:30:34,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:30:34,138 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-13 14:30:34,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:30:34,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-13 14:30:34,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=390, Unknown=0, NotChecked=0, Total=462 [2024-11-13 14:30:34,139 INFO L87 Difference]: Start difference. First operand 2947 states and 4286 transitions. Second operand has 17 states, 17 states have (on average 29.235294117647058) internal successors, (497), 17 states have internal predecessors, (497), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-13 14:30:36,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:30:36,930 INFO L93 Difference]: Finished difference Result 5271 states and 7673 transitions. [2024-11-13 14:30:36,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-13 14:30:36,930 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 29.235294117647058) internal successors, (497), 17 states have internal predecessors, (497), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 695 [2024-11-13 14:30:36,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:30:36,934 INFO L225 Difference]: With dead ends: 5271 [2024-11-13 14:30:36,934 INFO L226 Difference]: Without dead ends: 3784 [2024-11-13 14:30:36,936 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 728 GetRequests, 701 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=112, Invalid=700, Unknown=0, NotChecked=0, Total=812 [2024-11-13 14:30:36,936 INFO L432 NwaCegarLoop]: 781 mSDtfsCounter, 1845 mSDsluCounter, 10050 mSDsCounter, 0 mSdLazyCounter, 4127 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1845 SdHoareTripleChecker+Valid, 10831 SdHoareTripleChecker+Invalid, 4131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 4127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-13 14:30:36,936 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1845 Valid, 10831 Invalid, 4131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 4127 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-13 14:30:36,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3784 states. [2024-11-13 14:30:36,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3784 to 2964. [2024-11-13 14:30:36,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2964 states, 2917 states have (on average 1.444977716832362) internal successors, (4215), 2917 states have internal predecessors, (4215), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-13 14:30:36,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2964 states to 2964 states and 4305 transitions. [2024-11-13 14:30:37,000 INFO L78 Accepts]: Start accepts. Automaton has 2964 states and 4305 transitions. Word has length 695 [2024-11-13 14:30:37,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:30:37,000 INFO L471 AbstractCegarLoop]: Abstraction has 2964 states and 4305 transitions. [2024-11-13 14:30:37,000 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 29.235294117647058) internal successors, (497), 17 states have internal predecessors, (497), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-13 14:30:37,000 INFO L276 IsEmpty]: Start isEmpty. Operand 2964 states and 4305 transitions. [2024-11-13 14:30:37,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 696 [2024-11-13 14:30:37,004 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:30:37,005 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 8, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:30:37,028 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Ended with exit code 0 [2024-11-13 14:30:37,205 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable40 [2024-11-13 14:30:37,205 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:30:37,205 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:30:37,206 INFO L85 PathProgramCache]: Analyzing trace with hash 1193496328, now seen corresponding path program 1 times [2024-11-13 14:30:37,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:30:37,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684976858] [2024-11-13 14:30:37,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:30:37,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:30:37,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:38,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-13 14:30:38,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:38,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-13 14:30:38,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:38,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-13 14:30:38,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:38,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-13 14:30:38,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:38,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-13 14:30:38,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:38,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 501 [2024-11-13 14:30:38,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:38,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2024-11-13 14:30:38,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:38,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 539 [2024-11-13 14:30:38,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:38,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2024-11-13 14:30:38,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:38,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 573 [2024-11-13 14:30:38,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:38,727 INFO L134 CoverageAnalysis]: Checked inductivity of 662 backedges. 180 proven. 10 refuted. 0 times theorem prover too weak. 472 trivial. 0 not checked. [2024-11-13 14:30:38,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:30:38,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684976858] [2024-11-13 14:30:38,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [684976858] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:30:38,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1370731361] [2024-11-13 14:30:38,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:30:38,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:30:38,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:30:38,729 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:30:38,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-11-13 14:30:41,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:41,561 INFO L255 TraceCheckSpWp]: Trace formula consists of 3618 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 14:30:41,571 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:30:41,642 INFO L134 CoverageAnalysis]: Checked inductivity of 662 backedges. 110 proven. 2 refuted. 0 times theorem prover too weak. 550 trivial. 0 not checked. [2024-11-13 14:30:41,642 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:30:41,747 INFO L134 CoverageAnalysis]: Checked inductivity of 662 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 552 trivial. 0 not checked. [2024-11-13 14:30:41,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1370731361] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-13 14:30:41,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-13 14:30:41,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7, 6] total 13 [2024-11-13 14:30:41,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478232528] [2024-11-13 14:30:41,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:30:41,749 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 14:30:41,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:30:41,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 14:30:41,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2024-11-13 14:30:41,750 INFO L87 Difference]: Start difference. First operand 2964 states and 4305 transitions. Second operand has 4 states, 4 states have (on average 129.5) internal successors, (518), 4 states have internal predecessors, (518), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-13 14:30:41,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:30:41,849 INFO L93 Difference]: Finished difference Result 4791 states and 6951 transitions. [2024-11-13 14:30:41,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 14:30:41,850 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 129.5) internal successors, (518), 4 states have internal predecessors, (518), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 695 [2024-11-13 14:30:41,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:30:41,855 INFO L225 Difference]: With dead ends: 4791 [2024-11-13 14:30:41,855 INFO L226 Difference]: Without dead ends: 2982 [2024-11-13 14:30:41,857 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1415 GetRequests, 1404 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2024-11-13 14:30:41,860 INFO L432 NwaCegarLoop]: 1085 mSDtfsCounter, 0 mSDsluCounter, 2160 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3245 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:30:41,860 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3245 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:30:41,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2982 states. [2024-11-13 14:30:41,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2982 to 2982. [2024-11-13 14:30:41,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2982 states, 2935 states have (on average 1.4422487223168654) internal successors, (4233), 2935 states have internal predecessors, (4233), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-13 14:30:41,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2982 states to 2982 states and 4323 transitions. [2024-11-13 14:30:41,943 INFO L78 Accepts]: Start accepts. Automaton has 2982 states and 4323 transitions. Word has length 695 [2024-11-13 14:30:41,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:30:41,943 INFO L471 AbstractCegarLoop]: Abstraction has 2982 states and 4323 transitions. [2024-11-13 14:30:41,944 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 129.5) internal successors, (518), 4 states have internal predecessors, (518), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-13 14:30:41,944 INFO L276 IsEmpty]: Start isEmpty. Operand 2982 states and 4323 transitions. [2024-11-13 14:30:41,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 697 [2024-11-13 14:30:41,950 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:30:41,951 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 8, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:30:41,991 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Ended with exit code 0 [2024-11-13 14:30:42,151 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable41 [2024-11-13 14:30:42,151 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:30:42,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:30:42,152 INFO L85 PathProgramCache]: Analyzing trace with hash -1840279201, now seen corresponding path program 1 times [2024-11-13 14:30:42,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:30:42,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929425538] [2024-11-13 14:30:42,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:30:42,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:30:42,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:43,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-13 14:30:43,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:43,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-13 14:30:43,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:43,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-13 14:30:43,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:43,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-13 14:30:43,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:43,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-13 14:30:43,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:43,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 501 [2024-11-13 14:30:43,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:43,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2024-11-13 14:30:43,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:43,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 539 [2024-11-13 14:30:43,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:43,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2024-11-13 14:30:43,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:43,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 573 [2024-11-13 14:30:43,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:43,143 INFO L134 CoverageAnalysis]: Checked inductivity of 663 backedges. 181 proven. 10 refuted. 0 times theorem prover too weak. 472 trivial. 0 not checked. [2024-11-13 14:30:43,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:30:43,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929425538] [2024-11-13 14:30:43,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [929425538] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:30:43,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1783565538] [2024-11-13 14:30:43,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:30:43,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:30:43,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:30:43,145 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:30:43,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-11-13 14:30:46,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:46,041 INFO L255 TraceCheckSpWp]: Trace formula consists of 3617 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-13 14:30:46,047 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:30:46,124 INFO L134 CoverageAnalysis]: Checked inductivity of 663 backedges. 281 proven. 84 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2024-11-13 14:30:46,124 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:30:46,241 INFO L134 CoverageAnalysis]: Checked inductivity of 663 backedges. 181 proven. 10 refuted. 0 times theorem prover too weak. 472 trivial. 0 not checked. [2024-11-13 14:30:46,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1783565538] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 14:30:46,241 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 14:30:46,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 12, 7] total 18 [2024-11-13 14:30:46,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307668545] [2024-11-13 14:30:46,242 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 14:30:46,243 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-13 14:30:46,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:30:46,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-13 14:30:46,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=240, Unknown=0, NotChecked=0, Total=306 [2024-11-13 14:30:46,244 INFO L87 Difference]: Start difference. First operand 2982 states and 4323 transitions. Second operand has 18 states, 18 states have (on average 33.94444444444444) internal successors, (611), 18 states have internal predecessors, (611), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-13 14:30:46,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:30:46,441 INFO L93 Difference]: Finished difference Result 4349 states and 6303 transitions. [2024-11-13 14:30:46,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-13 14:30:46,442 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 33.94444444444444) internal successors, (611), 18 states have internal predecessors, (611), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 696 [2024-11-13 14:30:46,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:30:46,445 INFO L225 Difference]: With dead ends: 4349 [2024-11-13 14:30:46,445 INFO L226 Difference]: Without dead ends: 2986 [2024-11-13 14:30:46,447 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1419 GetRequests, 1401 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=88, Invalid=292, Unknown=0, NotChecked=0, Total=380 [2024-11-13 14:30:46,448 INFO L432 NwaCegarLoop]: 1104 mSDtfsCounter, 22 mSDsluCounter, 10980 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 12084 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:30:46,448 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 12084 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:30:46,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2986 states. [2024-11-13 14:30:46,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2986 to 2986. [2024-11-13 14:30:46,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2986 states, 2939 states have (on average 1.4416468186457978) internal successors, (4237), 2939 states have internal predecessors, (4237), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-13 14:30:46,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2986 states to 2986 states and 4327 transitions. [2024-11-13 14:30:46,499 INFO L78 Accepts]: Start accepts. Automaton has 2986 states and 4327 transitions. Word has length 696 [2024-11-13 14:30:46,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:30:46,499 INFO L471 AbstractCegarLoop]: Abstraction has 2986 states and 4327 transitions. [2024-11-13 14:30:46,500 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 33.94444444444444) internal successors, (611), 18 states have internal predecessors, (611), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-13 14:30:46,500 INFO L276 IsEmpty]: Start isEmpty. Operand 2986 states and 4327 transitions. [2024-11-13 14:30:46,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 701 [2024-11-13 14:30:46,505 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:30:46,505 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:30:46,537 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Ended with exit code 0 [2024-11-13 14:30:46,705 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:30:46,705 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:30:46,706 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:30:46,706 INFO L85 PathProgramCache]: Analyzing trace with hash -705915809, now seen corresponding path program 2 times [2024-11-13 14:30:46,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:30:46,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170727765] [2024-11-13 14:30:46,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:30:46,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:30:48,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:49,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-13 14:30:49,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:49,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-13 14:30:49,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:49,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-13 14:30:49,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:49,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-13 14:30:49,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:49,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-13 14:30:49,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:49,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 505 [2024-11-13 14:30:49,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:49,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 517 [2024-11-13 14:30:49,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:49,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 543 [2024-11-13 14:30:49,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:49,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 567 [2024-11-13 14:30:49,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:49,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 577 [2024-11-13 14:30:49,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:49,505 INFO L134 CoverageAnalysis]: Checked inductivity of 689 backedges. 181 proven. 0 refuted. 0 times theorem prover too weak. 508 trivial. 0 not checked. [2024-11-13 14:30:49,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:30:49,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170727765] [2024-11-13 14:30:49,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1170727765] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:30:49,506 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:30:49,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 14:30:49,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756349686] [2024-11-13 14:30:49,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:30:49,507 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 14:30:49,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:30:49,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 14:30:49,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 14:30:49,508 INFO L87 Difference]: Start difference. First operand 2986 states and 4327 transitions. Second operand has 5 states, 5 states have (on average 116.6) internal successors, (583), 5 states have internal predecessors, (583), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 14:30:49,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:30:49,758 INFO L93 Difference]: Finished difference Result 4353 states and 6303 transitions. [2024-11-13 14:30:49,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 14:30:49,758 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 116.6) internal successors, (583), 5 states have internal predecessors, (583), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 700 [2024-11-13 14:30:49,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:30:49,761 INFO L225 Difference]: With dead ends: 4353 [2024-11-13 14:30:49,761 INFO L226 Difference]: Without dead ends: 2986 [2024-11-13 14:30:49,762 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 14:30:49,763 INFO L432 NwaCegarLoop]: 994 mSDtfsCounter, 1067 mSDsluCounter, 1005 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1072 SdHoareTripleChecker+Valid, 1999 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 14:30:49,763 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1072 Valid, 1999 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 14:30:49,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2986 states. [2024-11-13 14:30:49,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2986 to 2986. [2024-11-13 14:30:49,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2986 states, 2939 states have (on average 1.441306566859476) internal successors, (4236), 2939 states have internal predecessors, (4236), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-13 14:30:49,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2986 states to 2986 states and 4326 transitions. [2024-11-13 14:30:49,898 INFO L78 Accepts]: Start accepts. Automaton has 2986 states and 4326 transitions. Word has length 700 [2024-11-13 14:30:49,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:30:49,899 INFO L471 AbstractCegarLoop]: Abstraction has 2986 states and 4326 transitions. [2024-11-13 14:30:49,899 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 116.6) internal successors, (583), 5 states have internal predecessors, (583), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 14:30:49,899 INFO L276 IsEmpty]: Start isEmpty. Operand 2986 states and 4326 transitions. [2024-11-13 14:30:49,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 702 [2024-11-13 14:30:49,906 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:30:49,906 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:30:49,906 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2024-11-13 14:30:49,906 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:30:49,907 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:30:49,907 INFO L85 PathProgramCache]: Analyzing trace with hash 1969735854, now seen corresponding path program 1 times [2024-11-13 14:30:49,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:30:49,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110580579] [2024-11-13 14:30:49,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:30:49,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:30:50,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:52,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-13 14:30:52,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:52,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-13 14:30:52,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:52,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-13 14:30:52,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:52,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-13 14:30:52,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:52,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-13 14:30:52,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:52,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 506 [2024-11-13 14:30:52,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:52,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 518 [2024-11-13 14:30:52,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:52,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 544 [2024-11-13 14:30:52,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:52,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 568 [2024-11-13 14:30:52,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:52,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 578 [2024-11-13 14:30:52,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:52,315 INFO L134 CoverageAnalysis]: Checked inductivity of 689 backedges. 181 proven. 0 refuted. 0 times theorem prover too weak. 508 trivial. 0 not checked. [2024-11-13 14:30:52,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:30:52,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110580579] [2024-11-13 14:30:52,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [110580579] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:30:52,316 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:30:52,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 14:30:52,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441943765] [2024-11-13 14:30:52,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:30:52,317 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 14:30:52,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:30:52,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 14:30:52,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 14:30:52,318 INFO L87 Difference]: Start difference. First operand 2986 states and 4326 transitions. Second operand has 5 states, 5 states have (on average 116.8) internal successors, (584), 5 states have internal predecessors, (584), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 14:30:52,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:30:52,672 INFO L93 Difference]: Finished difference Result 4353 states and 6301 transitions. [2024-11-13 14:30:52,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 14:30:52,672 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 116.8) internal successors, (584), 5 states have internal predecessors, (584), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 701 [2024-11-13 14:30:52,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:30:52,676 INFO L225 Difference]: With dead ends: 4353 [2024-11-13 14:30:52,677 INFO L226 Difference]: Without dead ends: 2986 [2024-11-13 14:30:52,679 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 14:30:52,679 INFO L432 NwaCegarLoop]: 994 mSDtfsCounter, 1066 mSDsluCounter, 1005 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1071 SdHoareTripleChecker+Valid, 1999 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 14:30:52,679 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1071 Valid, 1999 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 14:30:52,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2986 states. [2024-11-13 14:30:52,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2986 to 2986. [2024-11-13 14:30:52,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2986 states, 2939 states have (on average 1.4409663150731542) internal successors, (4235), 2939 states have internal predecessors, (4235), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-13 14:30:52,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2986 states to 2986 states and 4325 transitions. [2024-11-13 14:30:52,759 INFO L78 Accepts]: Start accepts. Automaton has 2986 states and 4325 transitions. Word has length 701 [2024-11-13 14:30:52,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:30:52,760 INFO L471 AbstractCegarLoop]: Abstraction has 2986 states and 4325 transitions. [2024-11-13 14:30:52,760 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 116.8) internal successors, (584), 5 states have internal predecessors, (584), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 14:30:52,760 INFO L276 IsEmpty]: Start isEmpty. Operand 2986 states and 4325 transitions. [2024-11-13 14:30:52,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 703 [2024-11-13 14:30:52,764 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:30:52,764 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:30:52,765 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2024-11-13 14:30:52,765 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:30:52,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:30:52,765 INFO L85 PathProgramCache]: Analyzing trace with hash 1084765148, now seen corresponding path program 1 times [2024-11-13 14:30:52,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:30:52,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233358750] [2024-11-13 14:30:52,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:30:52,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:30:53,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:54,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-13 14:30:54,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:54,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-13 14:30:54,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:54,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-13 14:30:54,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:54,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-13 14:30:54,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:54,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-13 14:30:54,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:54,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 507 [2024-11-13 14:30:54,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:54,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2024-11-13 14:30:54,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:54,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 545 [2024-11-13 14:30:54,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:54,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 569 [2024-11-13 14:30:54,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:54,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 579 [2024-11-13 14:30:54,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:54,639 INFO L134 CoverageAnalysis]: Checked inductivity of 689 backedges. 181 proven. 0 refuted. 0 times theorem prover too weak. 508 trivial. 0 not checked. [2024-11-13 14:30:54,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:30:54,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233358750] [2024-11-13 14:30:54,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1233358750] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:30:54,639 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:30:54,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 14:30:54,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156165560] [2024-11-13 14:30:54,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:30:54,640 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 14:30:54,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:30:54,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 14:30:54,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 14:30:54,642 INFO L87 Difference]: Start difference. First operand 2986 states and 4325 transitions. Second operand has 5 states, 5 states have (on average 117.0) internal successors, (585), 5 states have internal predecessors, (585), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 14:30:54,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:30:54,890 INFO L93 Difference]: Finished difference Result 4353 states and 6299 transitions. [2024-11-13 14:30:54,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 14:30:54,891 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 117.0) internal successors, (585), 5 states have internal predecessors, (585), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 702 [2024-11-13 14:30:54,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:30:54,894 INFO L225 Difference]: With dead ends: 4353 [2024-11-13 14:30:54,894 INFO L226 Difference]: Without dead ends: 2986 [2024-11-13 14:30:54,896 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 14:30:54,896 INFO L432 NwaCegarLoop]: 994 mSDtfsCounter, 1065 mSDsluCounter, 1005 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1070 SdHoareTripleChecker+Valid, 1999 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 14:30:54,897 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1070 Valid, 1999 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 14:30:54,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2986 states. [2024-11-13 14:30:54,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2986 to 2986. [2024-11-13 14:30:54,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2986 states, 2939 states have (on average 1.4406260632868322) internal successors, (4234), 2939 states have internal predecessors, (4234), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-13 14:30:54,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2986 states to 2986 states and 4324 transitions. [2024-11-13 14:30:54,982 INFO L78 Accepts]: Start accepts. Automaton has 2986 states and 4324 transitions. Word has length 702 [2024-11-13 14:30:54,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:30:54,983 INFO L471 AbstractCegarLoop]: Abstraction has 2986 states and 4324 transitions. [2024-11-13 14:30:54,983 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 117.0) internal successors, (585), 5 states have internal predecessors, (585), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 14:30:54,983 INFO L276 IsEmpty]: Start isEmpty. Operand 2986 states and 4324 transitions. [2024-11-13 14:30:54,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 704 [2024-11-13 14:30:54,990 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:30:54,990 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:30:54,991 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2024-11-13 14:30:54,991 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:30:54,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:30:54,991 INFO L85 PathProgramCache]: Analyzing trace with hash 1198234822, now seen corresponding path program 1 times [2024-11-13 14:30:54,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:30:54,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68173965] [2024-11-13 14:30:54,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:30:54,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:30:55,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:56,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-13 14:30:56,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:56,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-13 14:30:56,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:56,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-13 14:30:56,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:56,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-13 14:30:56,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:56,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-13 14:30:56,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:56,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2024-11-13 14:30:56,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:56,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2024-11-13 14:30:56,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:56,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 546 [2024-11-13 14:30:56,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:56,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 570 [2024-11-13 14:30:56,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:56,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 580 [2024-11-13 14:30:56,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:30:56,986 INFO L134 CoverageAnalysis]: Checked inductivity of 689 backedges. 181 proven. 0 refuted. 0 times theorem prover too weak. 508 trivial. 0 not checked. [2024-11-13 14:30:56,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:30:56,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68173965] [2024-11-13 14:30:56,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [68173965] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:30:56,987 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:30:56,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 14:30:56,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094370728] [2024-11-13 14:30:56,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:30:56,988 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 14:30:56,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:30:56,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 14:30:56,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 14:30:56,989 INFO L87 Difference]: Start difference. First operand 2986 states and 4324 transitions. Second operand has 4 states, 4 states have (on average 146.5) internal successors, (586), 4 states have internal predecessors, (586), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 14:30:57,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:30:57,217 INFO L93 Difference]: Finished difference Result 4353 states and 6297 transitions. [2024-11-13 14:30:57,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 14:30:57,218 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 146.5) internal successors, (586), 4 states have internal predecessors, (586), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 703 [2024-11-13 14:30:57,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:30:57,221 INFO L225 Difference]: With dead ends: 4353 [2024-11-13 14:30:57,221 INFO L226 Difference]: Without dead ends: 2986 [2024-11-13 14:30:57,223 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 14:30:57,223 INFO L432 NwaCegarLoop]: 994 mSDtfsCounter, 744 mSDsluCounter, 996 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 744 SdHoareTripleChecker+Valid, 1990 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 14:30:57,224 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [744 Valid, 1990 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 14:30:57,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2986 states. [2024-11-13 14:30:57,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2986 to 2986. [2024-11-13 14:30:57,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2986 states, 2939 states have (on average 1.4402858115005104) internal successors, (4233), 2939 states have internal predecessors, (4233), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-13 14:30:57,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2986 states to 2986 states and 4323 transitions. [2024-11-13 14:30:57,280 INFO L78 Accepts]: Start accepts. Automaton has 2986 states and 4323 transitions. Word has length 703 [2024-11-13 14:30:57,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:30:57,280 INFO L471 AbstractCegarLoop]: Abstraction has 2986 states and 4323 transitions. [2024-11-13 14:30:57,280 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 146.5) internal successors, (586), 4 states have internal predecessors, (586), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 14:30:57,281 INFO L276 IsEmpty]: Start isEmpty. Operand 2986 states and 4323 transitions. [2024-11-13 14:30:57,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 705 [2024-11-13 14:30:57,285 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:30:57,285 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:30:57,285 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2024-11-13 14:30:57,285 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:30:57,285 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:30:57,285 INFO L85 PathProgramCache]: Analyzing trace with hash -268746567, now seen corresponding path program 1 times [2024-11-13 14:30:57,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:30:57,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82164959] [2024-11-13 14:30:57,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:30:57,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:30:59,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:02,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-13 14:31:02,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:02,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-13 14:31:02,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:02,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-13 14:31:02,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:02,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-13 14:31:02,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:02,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-13 14:31:02,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:02,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2024-11-13 14:31:02,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:02,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2024-11-13 14:31:02,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:02,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2024-11-13 14:31:02,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:02,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 571 [2024-11-13 14:31:02,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:02,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 581 [2024-11-13 14:31:02,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:02,207 INFO L134 CoverageAnalysis]: Checked inductivity of 689 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 651 trivial. 0 not checked. [2024-11-13 14:31:02,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:31:02,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82164959] [2024-11-13 14:31:02,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [82164959] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:31:02,207 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:31:02,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 14:31:02,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327679798] [2024-11-13 14:31:02,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:31:02,208 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 14:31:02,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:31:02,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 14:31:02,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-13 14:31:02,209 INFO L87 Difference]: Start difference. First operand 2986 states and 4323 transitions. Second operand has 8 states, 8 states have (on average 56.5) internal successors, (452), 8 states have internal predecessors, (452), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-13 14:31:02,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:31:02,388 INFO L93 Difference]: Finished difference Result 5423 states and 7850 transitions. [2024-11-13 14:31:02,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 14:31:02,389 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 56.5) internal successors, (452), 8 states have internal predecessors, (452), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 704 [2024-11-13 14:31:02,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:31:02,392 INFO L225 Difference]: With dead ends: 5423 [2024-11-13 14:31:02,392 INFO L226 Difference]: Without dead ends: 3094 [2024-11-13 14:31:02,395 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-13 14:31:02,395 INFO L432 NwaCegarLoop]: 1062 mSDtfsCounter, 1002 mSDsluCounter, 5278 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1005 SdHoareTripleChecker+Valid, 6340 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:31:02,395 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1005 Valid, 6340 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:31:02,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3094 states. [2024-11-13 14:31:02,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3094 to 3067. [2024-11-13 14:31:02,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3067 states, 3020 states have (on average 1.4403973509933774) internal successors, (4350), 3020 states have internal predecessors, (4350), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-13 14:31:02,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3067 states to 3067 states and 4440 transitions. [2024-11-13 14:31:02,467 INFO L78 Accepts]: Start accepts. Automaton has 3067 states and 4440 transitions. Word has length 704 [2024-11-13 14:31:02,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:31:02,468 INFO L471 AbstractCegarLoop]: Abstraction has 3067 states and 4440 transitions. [2024-11-13 14:31:02,468 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 56.5) internal successors, (452), 8 states have internal predecessors, (452), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-13 14:31:02,468 INFO L276 IsEmpty]: Start isEmpty. Operand 3067 states and 4440 transitions. [2024-11-13 14:31:02,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 707 [2024-11-13 14:31:02,473 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:31:02,473 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:31:02,473 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2024-11-13 14:31:02,473 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:31:02,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:31:02,473 INFO L85 PathProgramCache]: Analyzing trace with hash 420067713, now seen corresponding path program 1 times [2024-11-13 14:31:02,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:31:02,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403153740] [2024-11-13 14:31:02,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:31:02,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:31:02,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:03,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-13 14:31:03,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:03,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-13 14:31:03,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:03,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-13 14:31:03,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:03,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-13 14:31:03,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:03,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-13 14:31:03,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:03,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2024-11-13 14:31:03,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:03,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 522 [2024-11-13 14:31:03,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:03,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 549 [2024-11-13 14:31:03,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:03,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 573 [2024-11-13 14:31:03,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:03,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2024-11-13 14:31:03,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:03,626 INFO L134 CoverageAnalysis]: Checked inductivity of 690 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 601 trivial. 0 not checked. [2024-11-13 14:31:03,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:31:03,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403153740] [2024-11-13 14:31:03,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1403153740] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:31:03,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:31:03,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 14:31:03,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201715559] [2024-11-13 14:31:03,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:31:03,627 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 14:31:03,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:31:03,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 14:31:03,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-13 14:31:03,628 INFO L87 Difference]: Start difference. First operand 3067 states and 4440 transitions. Second operand has 6 states, 6 states have (on average 83.33333333333333) internal successors, (500), 6 states have internal predecessors, (500), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-13 14:31:04,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:31:04,082 INFO L93 Difference]: Finished difference Result 6770 states and 9789 transitions. [2024-11-13 14:31:04,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 14:31:04,083 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 83.33333333333333) internal successors, (500), 6 states have internal predecessors, (500), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 706 [2024-11-13 14:31:04,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:31:04,087 INFO L225 Difference]: With dead ends: 6770 [2024-11-13 14:31:04,088 INFO L226 Difference]: Without dead ends: 3103 [2024-11-13 14:31:04,091 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-13 14:31:04,092 INFO L432 NwaCegarLoop]: 1384 mSDtfsCounter, 358 mSDsluCounter, 4942 mSDsCounter, 0 mSdLazyCounter, 386 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 358 SdHoareTripleChecker+Valid, 6326 SdHoareTripleChecker+Invalid, 402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 14:31:04,092 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [358 Valid, 6326 Invalid, 402 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 386 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 14:31:04,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3103 states. [2024-11-13 14:31:04,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3103 to 3085. [2024-11-13 14:31:04,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3085 states, 3038 states have (on average 1.4377880184331797) internal successors, (4368), 3038 states have internal predecessors, (4368), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-13 14:31:04,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3085 states to 3085 states and 4458 transitions. [2024-11-13 14:31:04,185 INFO L78 Accepts]: Start accepts. Automaton has 3085 states and 4458 transitions. Word has length 706 [2024-11-13 14:31:04,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:31:04,185 INFO L471 AbstractCegarLoop]: Abstraction has 3085 states and 4458 transitions. [2024-11-13 14:31:04,185 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 83.33333333333333) internal successors, (500), 6 states have internal predecessors, (500), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-13 14:31:04,186 INFO L276 IsEmpty]: Start isEmpty. Operand 3085 states and 4458 transitions. [2024-11-13 14:31:04,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 707 [2024-11-13 14:31:04,192 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:31:04,193 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:31:04,193 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2024-11-13 14:31:04,193 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:31:04,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:31:04,193 INFO L85 PathProgramCache]: Analyzing trace with hash -1593797023, now seen corresponding path program 1 times [2024-11-13 14:31:04,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:31:04,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106213873] [2024-11-13 14:31:04,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:31:04,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:31:04,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:05,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-13 14:31:05,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:05,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-13 14:31:05,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:05,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-13 14:31:05,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:05,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-13 14:31:05,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:05,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-13 14:31:05,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:05,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2024-11-13 14:31:05,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:05,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 522 [2024-11-13 14:31:05,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:05,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 549 [2024-11-13 14:31:05,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:05,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 573 [2024-11-13 14:31:05,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:05,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2024-11-13 14:31:05,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:05,322 INFO L134 CoverageAnalysis]: Checked inductivity of 690 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 658 trivial. 0 not checked. [2024-11-13 14:31:05,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:31:05,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106213873] [2024-11-13 14:31:05,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [106213873] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:31:05,322 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:31:05,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 14:31:05,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748002745] [2024-11-13 14:31:05,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:31:05,323 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 14:31:05,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:31:05,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 14:31:05,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 14:31:05,324 INFO L87 Difference]: Start difference. First operand 3085 states and 4458 transitions. Second operand has 4 states, 4 states have (on average 111.75) internal successors, (447), 4 states have internal predecessors, (447), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-13 14:31:05,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:31:05,414 INFO L93 Difference]: Finished difference Result 5561 states and 8033 transitions. [2024-11-13 14:31:05,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 14:31:05,415 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 111.75) internal successors, (447), 4 states have internal predecessors, (447), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 706 [2024-11-13 14:31:05,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:31:05,418 INFO L225 Difference]: With dead ends: 5561 [2024-11-13 14:31:05,419 INFO L226 Difference]: Without dead ends: 3103 [2024-11-13 14:31:05,422 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 14:31:05,422 INFO L432 NwaCegarLoop]: 1081 mSDtfsCounter, 0 mSDsluCounter, 2152 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3233 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:31:05,422 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3233 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:31:05,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3103 states. [2024-11-13 14:31:05,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3103 to 3103. [2024-11-13 14:31:05,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3103 states, 3056 states have (on average 1.4352094240837696) internal successors, (4386), 3056 states have internal predecessors, (4386), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-13 14:31:05,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3103 states to 3103 states and 4476 transitions. [2024-11-13 14:31:05,514 INFO L78 Accepts]: Start accepts. Automaton has 3103 states and 4476 transitions. Word has length 706 [2024-11-13 14:31:05,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:31:05,514 INFO L471 AbstractCegarLoop]: Abstraction has 3103 states and 4476 transitions. [2024-11-13 14:31:05,514 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 111.75) internal successors, (447), 4 states have internal predecessors, (447), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-13 14:31:05,514 INFO L276 IsEmpty]: Start isEmpty. Operand 3103 states and 4476 transitions. [2024-11-13 14:31:05,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 709 [2024-11-13 14:31:05,521 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:31:05,522 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:31:05,522 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2024-11-13 14:31:05,522 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:31:05,522 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:31:05,523 INFO L85 PathProgramCache]: Analyzing trace with hash 337341703, now seen corresponding path program 1 times [2024-11-13 14:31:05,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:31:05,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136438166] [2024-11-13 14:31:05,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:31:05,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:31:07,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:08,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-13 14:31:08,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:08,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-13 14:31:08,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:08,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-13 14:31:08,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:08,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-13 14:31:08,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:08,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-13 14:31:08,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:08,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2024-11-13 14:31:08,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:08,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 523 [2024-11-13 14:31:08,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:08,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 551 [2024-11-13 14:31:08,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:08,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2024-11-13 14:31:08,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:08,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 585 [2024-11-13 14:31:08,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:08,196 INFO L134 CoverageAnalysis]: Checked inductivity of 691 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 652 trivial. 0 not checked. [2024-11-13 14:31:08,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:31:08,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136438166] [2024-11-13 14:31:08,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2136438166] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:31:08,196 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:31:08,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 14:31:08,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812793439] [2024-11-13 14:31:08,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:31:08,197 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 14:31:08,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:31:08,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 14:31:08,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 14:31:08,198 INFO L87 Difference]: Start difference. First operand 3103 states and 4476 transitions. Second operand has 4 states, 4 states have (on average 113.75) internal successors, (455), 4 states have internal predecessors, (455), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-13 14:31:08,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:31:08,291 INFO L93 Difference]: Finished difference Result 5453 states and 7868 transitions. [2024-11-13 14:31:08,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 14:31:08,291 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 113.75) internal successors, (455), 4 states have internal predecessors, (455), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 708 [2024-11-13 14:31:08,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:31:08,295 INFO L225 Difference]: With dead ends: 5453 [2024-11-13 14:31:08,295 INFO L226 Difference]: Without dead ends: 3085 [2024-11-13 14:31:08,297 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 14:31:08,297 INFO L432 NwaCegarLoop]: 1067 mSDtfsCounter, 984 mSDsluCounter, 1074 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 987 SdHoareTripleChecker+Valid, 2141 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:31:08,297 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [987 Valid, 2141 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:31:08,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3085 states. [2024-11-13 14:31:08,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3085 to 3085. [2024-11-13 14:31:08,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3085 states, 3038 states have (on average 1.434825543120474) internal successors, (4359), 3038 states have internal predecessors, (4359), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-13 14:31:08,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3085 states to 3085 states and 4449 transitions. [2024-11-13 14:31:08,354 INFO L78 Accepts]: Start accepts. Automaton has 3085 states and 4449 transitions. Word has length 708 [2024-11-13 14:31:08,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:31:08,355 INFO L471 AbstractCegarLoop]: Abstraction has 3085 states and 4449 transitions. [2024-11-13 14:31:08,355 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 113.75) internal successors, (455), 4 states have internal predecessors, (455), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-13 14:31:08,355 INFO L276 IsEmpty]: Start isEmpty. Operand 3085 states and 4449 transitions. [2024-11-13 14:31:08,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 709 [2024-11-13 14:31:08,360 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:31:08,361 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:31:08,361 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2024-11-13 14:31:08,361 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:31:08,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:31:08,361 INFO L85 PathProgramCache]: Analyzing trace with hash 1041669951, now seen corresponding path program 1 times [2024-11-13 14:31:08,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:31:08,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122139452] [2024-11-13 14:31:08,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:31:08,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:31:10,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:11,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-13 14:31:11,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:11,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-13 14:31:11,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:11,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-13 14:31:11,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:11,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-13 14:31:11,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:11,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-13 14:31:11,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:11,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2024-11-13 14:31:11,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:11,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 523 [2024-11-13 14:31:11,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:11,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 551 [2024-11-13 14:31:11,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:11,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2024-11-13 14:31:11,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:11,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 585 [2024-11-13 14:31:11,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:11,895 INFO L134 CoverageAnalysis]: Checked inductivity of 691 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 601 trivial. 0 not checked. [2024-11-13 14:31:11,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:31:11,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122139452] [2024-11-13 14:31:11,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2122139452] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:31:11,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:31:11,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 14:31:11,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53589153] [2024-11-13 14:31:11,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:31:11,896 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 14:31:11,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:31:11,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 14:31:11,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-13 14:31:11,897 INFO L87 Difference]: Start difference. First operand 3085 states and 4449 transitions. Second operand has 6 states, 6 states have (on average 83.66666666666667) internal successors, (502), 6 states have internal predecessors, (502), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 14:31:12,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:31:12,856 INFO L93 Difference]: Finished difference Result 5425 states and 7828 transitions. [2024-11-13 14:31:12,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 14:31:12,856 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 83.66666666666667) internal successors, (502), 6 states have internal predecessors, (502), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 708 [2024-11-13 14:31:12,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:31:12,860 INFO L225 Difference]: With dead ends: 5425 [2024-11-13 14:31:12,861 INFO L226 Difference]: Without dead ends: 3663 [2024-11-13 14:31:12,863 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-13 14:31:12,864 INFO L432 NwaCegarLoop]: 793 mSDtfsCounter, 2543 mSDsluCounter, 2337 mSDsCounter, 0 mSdLazyCounter, 1179 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2548 SdHoareTripleChecker+Valid, 3130 SdHoareTripleChecker+Invalid, 1179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-13 14:31:12,864 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2548 Valid, 3130 Invalid, 1179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1179 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-13 14:31:12,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3663 states. [2024-11-13 14:31:12,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3663 to 3087. [2024-11-13 14:31:12,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3087 states, 3040 states have (on average 1.4345394736842105) internal successors, (4361), 3040 states have internal predecessors, (4361), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-13 14:31:12,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3087 states to 3087 states and 4451 transitions. [2024-11-13 14:31:12,936 INFO L78 Accepts]: Start accepts. Automaton has 3087 states and 4451 transitions. Word has length 708 [2024-11-13 14:31:12,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:31:12,936 INFO L471 AbstractCegarLoop]: Abstraction has 3087 states and 4451 transitions. [2024-11-13 14:31:12,936 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 83.66666666666667) internal successors, (502), 6 states have internal predecessors, (502), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 14:31:12,936 INFO L276 IsEmpty]: Start isEmpty. Operand 3087 states and 4451 transitions. [2024-11-13 14:31:12,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 709 [2024-11-13 14:31:12,944 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:31:12,944 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:31:12,944 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2024-11-13 14:31:12,944 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:31:12,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:31:12,945 INFO L85 PathProgramCache]: Analyzing trace with hash -1593750607, now seen corresponding path program 1 times [2024-11-13 14:31:12,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:31:12,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467028991] [2024-11-13 14:31:12,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:31:12,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:31:13,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:14,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-13 14:31:14,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:14,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-13 14:31:14,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:14,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-13 14:31:14,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:14,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-13 14:31:14,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:14,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-13 14:31:14,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:14,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2024-11-13 14:31:14,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:14,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 523 [2024-11-13 14:31:14,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:14,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 551 [2024-11-13 14:31:14,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:14,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2024-11-13 14:31:14,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:14,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 585 [2024-11-13 14:31:14,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:14,403 INFO L134 CoverageAnalysis]: Checked inductivity of 691 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 508 trivial. 0 not checked. [2024-11-13 14:31:14,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:31:14,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467028991] [2024-11-13 14:31:14,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467028991] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:31:14,403 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:31:14,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 14:31:14,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769586094] [2024-11-13 14:31:14,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:31:14,404 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 14:31:14,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:31:14,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 14:31:14,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-13 14:31:14,406 INFO L87 Difference]: Start difference. First operand 3087 states and 4451 transitions. Second operand has 6 states, 6 states have (on average 98.5) internal successors, (591), 6 states have internal predecessors, (591), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 14:31:15,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:31:15,873 INFO L93 Difference]: Finished difference Result 5695 states and 8207 transitions. [2024-11-13 14:31:15,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 14:31:15,874 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 98.5) internal successors, (591), 6 states have internal predecessors, (591), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 708 [2024-11-13 14:31:15,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:31:15,878 INFO L225 Difference]: With dead ends: 5695 [2024-11-13 14:31:15,878 INFO L226 Difference]: Without dead ends: 4295 [2024-11-13 14:31:15,880 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-13 14:31:15,881 INFO L432 NwaCegarLoop]: 1720 mSDtfsCounter, 626 mSDsluCounter, 5105 mSDsCounter, 0 mSdLazyCounter, 2093 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 626 SdHoareTripleChecker+Valid, 6825 SdHoareTripleChecker+Invalid, 2093 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2093 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-13 14:31:15,881 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [626 Valid, 6825 Invalid, 2093 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2093 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-13 14:31:15,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4295 states. [2024-11-13 14:31:15,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4295 to 4149. [2024-11-13 14:31:15,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4149 states, 4087 states have (on average 1.4355272816246636) internal successors, (5867), 4087 states have internal predecessors, (5867), 60 states have call successors, (60), 1 states have call predecessors, (60), 1 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-13 14:31:15,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4149 states to 4149 states and 5987 transitions. [2024-11-13 14:31:15,958 INFO L78 Accepts]: Start accepts. Automaton has 4149 states and 5987 transitions. Word has length 708 [2024-11-13 14:31:15,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:31:15,958 INFO L471 AbstractCegarLoop]: Abstraction has 4149 states and 5987 transitions. [2024-11-13 14:31:15,958 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 98.5) internal successors, (591), 6 states have internal predecessors, (591), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 14:31:15,958 INFO L276 IsEmpty]: Start isEmpty. Operand 4149 states and 5987 transitions. [2024-11-13 14:31:15,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 710 [2024-11-13 14:31:15,963 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:31:15,964 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:31:15,964 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2024-11-13 14:31:15,964 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:31:15,964 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:31:15,965 INFO L85 PathProgramCache]: Analyzing trace with hash 1177831184, now seen corresponding path program 1 times [2024-11-13 14:31:15,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:31:15,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983585707] [2024-11-13 14:31:15,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:31:15,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:31:18,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:19,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-13 14:31:19,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:19,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-13 14:31:19,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:19,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-13 14:31:19,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:19,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-13 14:31:19,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:19,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-13 14:31:19,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:19,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 512 [2024-11-13 14:31:19,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:19,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 524 [2024-11-13 14:31:19,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:19,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 552 [2024-11-13 14:31:19,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:19,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 576 [2024-11-13 14:31:19,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:19,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 586 [2024-11-13 14:31:19,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:19,727 INFO L134 CoverageAnalysis]: Checked inductivity of 691 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 508 trivial. 0 not checked. [2024-11-13 14:31:19,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:31:19,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983585707] [2024-11-13 14:31:19,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [983585707] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:31:19,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:31:19,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 14:31:19,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583732994] [2024-11-13 14:31:19,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:31:19,729 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 14:31:19,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:31:19,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 14:31:19,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-13 14:31:19,730 INFO L87 Difference]: Start difference. First operand 4149 states and 5987 transitions. Second operand has 6 states, 6 states have (on average 98.66666666666667) internal successors, (592), 6 states have internal predecessors, (592), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 14:31:19,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:31:19,852 INFO L93 Difference]: Finished difference Result 6801 states and 9836 transitions. [2024-11-13 14:31:19,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 14:31:19,853 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 98.66666666666667) internal successors, (592), 6 states have internal predecessors, (592), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 709 [2024-11-13 14:31:19,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:31:19,858 INFO L225 Difference]: With dead ends: 6801 [2024-11-13 14:31:19,858 INFO L226 Difference]: Without dead ends: 5401 [2024-11-13 14:31:19,861 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-13 14:31:19,862 INFO L432 NwaCegarLoop]: 1077 mSDtfsCounter, 293 mSDsluCounter, 4293 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 293 SdHoareTripleChecker+Valid, 5370 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:31:19,862 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [293 Valid, 5370 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:31:19,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5401 states. [2024-11-13 14:31:20,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5401 to 5397. [2024-11-13 14:31:20,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5397 states, 5335 states have (on average 1.4427366447985004) internal successors, (7697), 5335 states have internal predecessors, (7697), 60 states have call successors, (60), 1 states have call predecessors, (60), 1 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-13 14:31:20,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5397 states to 5397 states and 7817 transitions. [2024-11-13 14:31:20,053 INFO L78 Accepts]: Start accepts. Automaton has 5397 states and 7817 transitions. Word has length 709 [2024-11-13 14:31:20,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:31:20,054 INFO L471 AbstractCegarLoop]: Abstraction has 5397 states and 7817 transitions. [2024-11-13 14:31:20,054 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 98.66666666666667) internal successors, (592), 6 states have internal predecessors, (592), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 14:31:20,054 INFO L276 IsEmpty]: Start isEmpty. Operand 5397 states and 7817 transitions. [2024-11-13 14:31:20,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 711 [2024-11-13 14:31:20,065 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:31:20,066 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:31:20,066 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2024-11-13 14:31:20,066 INFO L396 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:31:20,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:31:20,067 INFO L85 PathProgramCache]: Analyzing trace with hash -339296783, now seen corresponding path program 1 times [2024-11-13 14:31:20,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:31:20,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044148553] [2024-11-13 14:31:20,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:31:20,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:31:23,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:24,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-13 14:31:24,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:24,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-13 14:31:24,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:24,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-13 14:31:24,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:24,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-13 14:31:24,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:24,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-13 14:31:24,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:24,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2024-11-13 14:31:24,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:24,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 525 [2024-11-13 14:31:24,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:24,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 553 [2024-11-13 14:31:24,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:24,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 577 [2024-11-13 14:31:24,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:24,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 587 [2024-11-13 14:31:24,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:24,680 INFO L134 CoverageAnalysis]: Checked inductivity of 691 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 601 trivial. 0 not checked. [2024-11-13 14:31:24,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:31:24,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044148553] [2024-11-13 14:31:24,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1044148553] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:31:24,681 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:31:24,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 14:31:24,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320963737] [2024-11-13 14:31:24,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:31:24,682 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 14:31:24,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:31:24,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 14:31:24,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-13 14:31:24,683 INFO L87 Difference]: Start difference. First operand 5397 states and 7817 transitions. Second operand has 7 states, 7 states have (on average 72.0) internal successors, (504), 7 states have internal predecessors, (504), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-13 14:31:25,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:31:25,309 INFO L93 Difference]: Finished difference Result 11877 states and 17185 transitions. [2024-11-13 14:31:25,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 14:31:25,310 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 72.0) internal successors, (504), 7 states have internal predecessors, (504), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 710 [2024-11-13 14:31:25,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:31:25,317 INFO L225 Difference]: With dead ends: 11877 [2024-11-13 14:31:25,317 INFO L226 Difference]: Without dead ends: 5445 [2024-11-13 14:31:25,323 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-13 14:31:25,324 INFO L432 NwaCegarLoop]: 1397 mSDtfsCounter, 1299 mSDsluCounter, 4980 mSDsCounter, 0 mSdLazyCounter, 433 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1300 SdHoareTripleChecker+Valid, 6377 SdHoareTripleChecker+Invalid, 445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 433 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 14:31:25,324 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1300 Valid, 6377 Invalid, 445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 433 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 14:31:25,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5445 states. [2024-11-13 14:31:25,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5445 to 5421. [2024-11-13 14:31:25,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5421 states, 5359 states have (on average 1.4385146482552715) internal successors, (7709), 5359 states have internal predecessors, (7709), 60 states have call successors, (60), 1 states have call predecessors, (60), 1 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-13 14:31:25,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5421 states to 5421 states and 7829 transitions. [2024-11-13 14:31:25,445 INFO L78 Accepts]: Start accepts. Automaton has 5421 states and 7829 transitions. Word has length 710 [2024-11-13 14:31:25,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:31:25,446 INFO L471 AbstractCegarLoop]: Abstraction has 5421 states and 7829 transitions. [2024-11-13 14:31:25,446 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 72.0) internal successors, (504), 7 states have internal predecessors, (504), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-13 14:31:25,446 INFO L276 IsEmpty]: Start isEmpty. Operand 5421 states and 7829 transitions. [2024-11-13 14:31:25,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 713 [2024-11-13 14:31:25,452 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:31:25,452 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:31:25,453 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2024-11-13 14:31:25,453 INFO L396 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:31:25,453 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:31:25,453 INFO L85 PathProgramCache]: Analyzing trace with hash 928210479, now seen corresponding path program 1 times [2024-11-13 14:31:25,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:31:25,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221591265] [2024-11-13 14:31:25,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:31:25,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:31:27,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:30,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-13 14:31:30,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:30,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-13 14:31:30,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:30,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-13 14:31:30,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:30,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-13 14:31:30,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:30,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-13 14:31:30,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:30,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2024-11-13 14:31:30,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:30,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 526 [2024-11-13 14:31:30,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:30,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 554 [2024-11-13 14:31:30,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:30,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 578 [2024-11-13 14:31:30,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:30,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 589 [2024-11-13 14:31:30,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:30,211 INFO L134 CoverageAnalysis]: Checked inductivity of 692 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 632 trivial. 0 not checked. [2024-11-13 14:31:30,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:31:30,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221591265] [2024-11-13 14:31:30,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [221591265] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:31:30,211 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:31:30,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 14:31:30,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405507186] [2024-11-13 14:31:30,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:31:30,212 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 14:31:30,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:31:30,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 14:31:30,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-13 14:31:30,213 INFO L87 Difference]: Start difference. First operand 5421 states and 7829 transitions. Second operand has 8 states, 8 states have (on average 59.75) internal successors, (478), 8 states have internal predecessors, (478), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-13 14:31:30,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:31:30,413 INFO L93 Difference]: Finished difference Result 9589 states and 13840 transitions. [2024-11-13 14:31:30,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 14:31:30,414 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 59.75) internal successors, (478), 8 states have internal predecessors, (478), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 712 [2024-11-13 14:31:30,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:31:30,419 INFO L225 Difference]: With dead ends: 9589 [2024-11-13 14:31:30,419 INFO L226 Difference]: Without dead ends: 5565 [2024-11-13 14:31:30,422 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-13 14:31:30,423 INFO L432 NwaCegarLoop]: 1060 mSDtfsCounter, 986 mSDsluCounter, 5241 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 988 SdHoareTripleChecker+Valid, 6301 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:31:30,423 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [988 Valid, 6301 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:31:30,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5565 states. [2024-11-13 14:31:30,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5565 to 5529. [2024-11-13 14:31:30,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5529 states, 5467 states have (on average 1.4386317907444668) internal successors, (7865), 5467 states have internal predecessors, (7865), 60 states have call successors, (60), 1 states have call predecessors, (60), 1 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-13 14:31:30,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5529 states to 5529 states and 7985 transitions. [2024-11-13 14:31:30,509 INFO L78 Accepts]: Start accepts. Automaton has 5529 states and 7985 transitions. Word has length 712 [2024-11-13 14:31:30,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:31:30,510 INFO L471 AbstractCegarLoop]: Abstraction has 5529 states and 7985 transitions. [2024-11-13 14:31:30,510 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 59.75) internal successors, (478), 8 states have internal predecessors, (478), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-13 14:31:30,510 INFO L276 IsEmpty]: Start isEmpty. Operand 5529 states and 7985 transitions. [2024-11-13 14:31:30,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 715 [2024-11-13 14:31:30,516 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:31:30,517 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:31:30,517 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2024-11-13 14:31:30,517 INFO L396 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:31:30,517 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:31:30,517 INFO L85 PathProgramCache]: Analyzing trace with hash 960509773, now seen corresponding path program 1 times [2024-11-13 14:31:30,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:31:30,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123001440] [2024-11-13 14:31:30,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:31:30,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:31:32,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:34,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-13 14:31:34,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:34,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-13 14:31:34,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:34,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-13 14:31:34,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:34,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-13 14:31:34,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:34,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-13 14:31:34,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:34,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2024-11-13 14:31:34,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:34,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2024-11-13 14:31:34,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:34,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 555 [2024-11-13 14:31:34,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:34,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 580 [2024-11-13 14:31:34,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:34,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 591 [2024-11-13 14:31:34,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:34,741 INFO L134 CoverageAnalysis]: Checked inductivity of 693 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 508 trivial. 0 not checked. [2024-11-13 14:31:34,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:31:34,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123001440] [2024-11-13 14:31:34,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [123001440] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:31:34,741 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:31:34,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 14:31:34,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762261914] [2024-11-13 14:31:34,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:31:34,742 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 14:31:34,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:31:34,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 14:31:34,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-13 14:31:34,743 INFO L87 Difference]: Start difference. First operand 5529 states and 7985 transitions. Second operand has 6 states, 6 states have (on average 99.5) internal successors, (597), 6 states have internal predecessors, (597), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 14:31:34,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:31:34,897 INFO L93 Difference]: Finished difference Result 10336 states and 14964 transitions. [2024-11-13 14:31:34,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 14:31:34,898 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 99.5) internal successors, (597), 6 states have internal predecessors, (597), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 714 [2024-11-13 14:31:34,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:31:34,908 INFO L225 Difference]: With dead ends: 10336 [2024-11-13 14:31:34,908 INFO L226 Difference]: Without dead ends: 8277 [2024-11-13 14:31:34,912 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-13 14:31:34,913 INFO L432 NwaCegarLoop]: 1072 mSDtfsCounter, 303 mSDsluCounter, 4271 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 303 SdHoareTripleChecker+Valid, 5343 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:31:34,913 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [303 Valid, 5343 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:31:34,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8277 states. [2024-11-13 14:31:35,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8277 to 8271. [2024-11-13 14:31:35,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8271 states, 8209 states have (on average 1.4457302960165672) internal successors, (11868), 8209 states have internal predecessors, (11868), 60 states have call successors, (60), 1 states have call predecessors, (60), 1 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-13 14:31:35,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8271 states to 8271 states and 11988 transitions. [2024-11-13 14:31:35,056 INFO L78 Accepts]: Start accepts. Automaton has 8271 states and 11988 transitions. Word has length 714 [2024-11-13 14:31:35,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:31:35,057 INFO L471 AbstractCegarLoop]: Abstraction has 8271 states and 11988 transitions. [2024-11-13 14:31:35,057 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 99.5) internal successors, (597), 6 states have internal predecessors, (597), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 14:31:35,057 INFO L276 IsEmpty]: Start isEmpty. Operand 8271 states and 11988 transitions. [2024-11-13 14:31:35,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 716 [2024-11-13 14:31:35,064 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:31:35,064 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:31:35,064 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2024-11-13 14:31:35,064 INFO L396 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:31:35,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:31:35,065 INFO L85 PathProgramCache]: Analyzing trace with hash -652193194, now seen corresponding path program 1 times [2024-11-13 14:31:35,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:31:35,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833142620] [2024-11-13 14:31:35,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:31:35,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:31:35,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:36,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-13 14:31:36,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:36,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-13 14:31:36,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:36,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-13 14:31:36,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:36,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-13 14:31:36,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:36,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-13 14:31:36,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:36,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 516 [2024-11-13 14:31:36,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:36,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 528 [2024-11-13 14:31:36,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:36,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2024-11-13 14:31:36,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:36,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 581 [2024-11-13 14:31:36,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:36,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2024-11-13 14:31:36,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:36,009 INFO L134 CoverageAnalysis]: Checked inductivity of 693 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 609 trivial. 0 not checked. [2024-11-13 14:31:36,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:31:36,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833142620] [2024-11-13 14:31:36,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833142620] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:31:36,009 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:31:36,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 14:31:36,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682727886] [2024-11-13 14:31:36,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:31:36,010 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 14:31:36,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:31:36,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 14:31:36,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 14:31:36,011 INFO L87 Difference]: Start difference. First operand 8271 states and 11988 transitions. Second operand has 4 states, 4 states have (on average 125.5) internal successors, (502), 4 states have internal predecessors, (502), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 14:31:36,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:31:36,114 INFO L93 Difference]: Finished difference Result 13148 states and 19060 transitions. [2024-11-13 14:31:36,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 14:31:36,114 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 125.5) internal successors, (502), 4 states have internal predecessors, (502), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 715 [2024-11-13 14:31:36,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:31:36,120 INFO L225 Difference]: With dead ends: 13148 [2024-11-13 14:31:36,121 INFO L226 Difference]: Without dead ends: 8287 [2024-11-13 14:31:36,125 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 14:31:36,125 INFO L432 NwaCegarLoop]: 1079 mSDtfsCounter, 0 mSDsluCounter, 2144 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3223 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:31:36,125 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3223 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:31:36,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8287 states. [2024-11-13 14:31:36,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8287 to 8287. [2024-11-13 14:31:36,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8287 states, 8225 states have (on average 1.4448632218844986) internal successors, (11884), 8225 states have internal predecessors, (11884), 60 states have call successors, (60), 1 states have call predecessors, (60), 1 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-13 14:31:36,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8287 states to 8287 states and 12004 transitions. [2024-11-13 14:31:36,315 INFO L78 Accepts]: Start accepts. Automaton has 8287 states and 12004 transitions. Word has length 715 [2024-11-13 14:31:36,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:31:36,316 INFO L471 AbstractCegarLoop]: Abstraction has 8287 states and 12004 transitions. [2024-11-13 14:31:36,316 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 125.5) internal successors, (502), 4 states have internal predecessors, (502), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 14:31:36,316 INFO L276 IsEmpty]: Start isEmpty. Operand 8287 states and 12004 transitions. [2024-11-13 14:31:36,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 716 [2024-11-13 14:31:36,327 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:31:36,327 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:31:36,328 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2024-11-13 14:31:36,328 INFO L396 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:31:36,328 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:31:36,328 INFO L85 PathProgramCache]: Analyzing trace with hash -1599228269, now seen corresponding path program 1 times [2024-11-13 14:31:36,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:31:36,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795743179] [2024-11-13 14:31:36,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:31:36,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:31:39,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:40,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-13 14:31:40,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:40,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-13 14:31:40,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:40,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-13 14:31:40,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:40,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-13 14:31:40,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:40,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-13 14:31:40,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:40,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 516 [2024-11-13 14:31:40,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:40,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 528 [2024-11-13 14:31:40,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:40,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2024-11-13 14:31:40,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:40,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 581 [2024-11-13 14:31:40,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:40,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2024-11-13 14:31:40,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:40,303 INFO L134 CoverageAnalysis]: Checked inductivity of 693 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 508 trivial. 0 not checked. [2024-11-13 14:31:40,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:31:40,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795743179] [2024-11-13 14:31:40,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795743179] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:31:40,303 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:31:40,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 14:31:40,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770139437] [2024-11-13 14:31:40,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:31:40,304 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 14:31:40,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:31:40,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 14:31:40,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-13 14:31:40,305 INFO L87 Difference]: Start difference. First operand 8287 states and 12004 transitions. Second operand has 6 states, 6 states have (on average 99.66666666666667) internal successors, (598), 6 states have internal predecessors, (598), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-13 14:31:41,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:31:41,227 INFO L93 Difference]: Finished difference Result 11978 states and 17321 transitions. [2024-11-13 14:31:41,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 14:31:41,227 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 99.66666666666667) internal successors, (598), 6 states have internal predecessors, (598), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 715 [2024-11-13 14:31:41,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:31:41,236 INFO L225 Difference]: With dead ends: 11978 [2024-11-13 14:31:41,236 INFO L226 Difference]: Without dead ends: 8607 [2024-11-13 14:31:41,240 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-13 14:31:41,241 INFO L432 NwaCegarLoop]: 797 mSDtfsCounter, 1010 mSDsluCounter, 2379 mSDsCounter, 0 mSdLazyCounter, 1156 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1014 SdHoareTripleChecker+Valid, 3176 SdHoareTripleChecker+Invalid, 1157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-13 14:31:41,241 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1014 Valid, 3176 Invalid, 1157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1156 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-13 14:31:41,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8607 states. [2024-11-13 14:31:41,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8607 to 8605. [2024-11-13 14:31:41,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8605 states, 8543 states have (on average 1.4427016270630926) internal successors, (12325), 8543 states have internal predecessors, (12325), 60 states have call successors, (60), 1 states have call predecessors, (60), 1 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-13 14:31:41,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8605 states to 8605 states and 12445 transitions. [2024-11-13 14:31:41,455 INFO L78 Accepts]: Start accepts. Automaton has 8605 states and 12445 transitions. Word has length 715 [2024-11-13 14:31:41,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:31:41,456 INFO L471 AbstractCegarLoop]: Abstraction has 8605 states and 12445 transitions. [2024-11-13 14:31:41,456 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 99.66666666666667) internal successors, (598), 6 states have internal predecessors, (598), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-13 14:31:41,456 INFO L276 IsEmpty]: Start isEmpty. Operand 8605 states and 12445 transitions. [2024-11-13 14:31:41,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 717 [2024-11-13 14:31:41,465 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:31:41,465 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:31:41,465 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2024-11-13 14:31:41,466 INFO L396 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:31:41,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:31:41,466 INFO L85 PathProgramCache]: Analyzing trace with hash 732325811, now seen corresponding path program 1 times [2024-11-13 14:31:41,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:31:41,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202723614] [2024-11-13 14:31:41,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:31:41,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:31:44,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:46,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-13 14:31:46,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:46,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-13 14:31:46,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:46,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-13 14:31:46,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:46,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-13 14:31:46,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:46,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-13 14:31:46,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:46,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 517 [2024-11-13 14:31:46,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:46,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2024-11-13 14:31:46,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:46,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2024-11-13 14:31:46,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:46,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2024-11-13 14:31:46,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:46,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 593 [2024-11-13 14:31:46,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:46,600 INFO L134 CoverageAnalysis]: Checked inductivity of 693 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 632 trivial. 0 not checked. [2024-11-13 14:31:46,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:31:46,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202723614] [2024-11-13 14:31:46,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202723614] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:31:46,600 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:31:46,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 14:31:46,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274322882] [2024-11-13 14:31:46,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:31:46,601 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 14:31:46,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:31:46,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 14:31:46,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-13 14:31:46,602 INFO L87 Difference]: Start difference. First operand 8605 states and 12445 transitions. Second operand has 7 states, 7 states have (on average 68.85714285714286) internal successors, (482), 7 states have internal predecessors, (482), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-13 14:31:46,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:31:46,863 INFO L93 Difference]: Finished difference Result 15942 states and 23039 transitions. [2024-11-13 14:31:46,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 14:31:46,864 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 68.85714285714286) internal successors, (482), 7 states have internal predecessors, (482), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 716 [2024-11-13 14:31:46,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:31:46,874 INFO L225 Difference]: With dead ends: 15942 [2024-11-13 14:31:46,874 INFO L226 Difference]: Without dead ends: 8761 [2024-11-13 14:31:46,881 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-13 14:31:46,881 INFO L432 NwaCegarLoop]: 1061 mSDtfsCounter, 972 mSDsluCounter, 4217 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 974 SdHoareTripleChecker+Valid, 5278 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:31:46,882 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [974 Valid, 5278 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:31:46,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8761 states. [2024-11-13 14:31:47,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8761 to 8641. [2024-11-13 14:31:47,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8641 states, 8579 states have (on average 1.4422426856276955) internal successors, (12373), 8579 states have internal predecessors, (12373), 60 states have call successors, (60), 1 states have call predecessors, (60), 1 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-13 14:31:47,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8641 states to 8641 states and 12493 transitions. [2024-11-13 14:31:47,038 INFO L78 Accepts]: Start accepts. Automaton has 8641 states and 12493 transitions. Word has length 716 [2024-11-13 14:31:47,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:31:47,038 INFO L471 AbstractCegarLoop]: Abstraction has 8641 states and 12493 transitions. [2024-11-13 14:31:47,038 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 68.85714285714286) internal successors, (482), 7 states have internal predecessors, (482), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-13 14:31:47,038 INFO L276 IsEmpty]: Start isEmpty. Operand 8641 states and 12493 transitions. [2024-11-13 14:31:47,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 717 [2024-11-13 14:31:47,046 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:31:47,046 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:31:47,046 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2024-11-13 14:31:47,047 INFO L396 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:31:47,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:31:47,047 INFO L85 PathProgramCache]: Analyzing trace with hash 155886345, now seen corresponding path program 1 times [2024-11-13 14:31:47,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:31:47,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91867015] [2024-11-13 14:31:47,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:31:47,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:31:47,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:48,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-13 14:31:48,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:48,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-13 14:31:48,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:48,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-13 14:31:48,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:48,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-13 14:31:48,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:48,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-13 14:31:48,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:48,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 517 [2024-11-13 14:31:48,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:48,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2024-11-13 14:31:48,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:48,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2024-11-13 14:31:48,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:48,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2024-11-13 14:31:48,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:48,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 593 [2024-11-13 14:31:48,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:48,384 INFO L134 CoverageAnalysis]: Checked inductivity of 693 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 624 trivial. 0 not checked. [2024-11-13 14:31:48,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:31:48,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91867015] [2024-11-13 14:31:48,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [91867015] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:31:48,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:31:48,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 14:31:48,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874010159] [2024-11-13 14:31:48,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:31:48,385 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 14:31:48,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:31:48,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 14:31:48,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-13 14:31:48,386 INFO L87 Difference]: Start difference. First operand 8641 states and 12493 transitions. Second operand has 6 states, 6 states have (on average 81.5) internal successors, (489), 6 states have internal predecessors, (489), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-13 14:31:48,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:31:48,881 INFO L93 Difference]: Finished difference Result 18357 states and 26520 transitions. [2024-11-13 14:31:48,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 14:31:48,881 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 81.5) internal successors, (489), 6 states have internal predecessors, (489), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 716 [2024-11-13 14:31:48,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:31:48,890 INFO L225 Difference]: With dead ends: 18357 [2024-11-13 14:31:48,890 INFO L226 Difference]: Without dead ends: 8689 [2024-11-13 14:31:48,898 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-13 14:31:48,899 INFO L432 NwaCegarLoop]: 1385 mSDtfsCounter, 358 mSDsluCounter, 4944 mSDsCounter, 0 mSdLazyCounter, 370 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 359 SdHoareTripleChecker+Valid, 6329 SdHoareTripleChecker+Invalid, 382 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 370 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 14:31:48,899 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [359 Valid, 6329 Invalid, 382 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 370 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 14:31:48,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8689 states. [2024-11-13 14:31:49,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8689 to 8665. [2024-11-13 14:31:49,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8665 states, 8603 states have (on average 1.4410089503661514) internal successors, (12397), 8603 states have internal predecessors, (12397), 60 states have call successors, (60), 1 states have call predecessors, (60), 1 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-13 14:31:49,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8665 states to 8665 states and 12517 transitions. [2024-11-13 14:31:49,096 INFO L78 Accepts]: Start accepts. Automaton has 8665 states and 12517 transitions. Word has length 716 [2024-11-13 14:31:49,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:31:49,097 INFO L471 AbstractCegarLoop]: Abstraction has 8665 states and 12517 transitions. [2024-11-13 14:31:49,097 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 81.5) internal successors, (489), 6 states have internal predecessors, (489), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-13 14:31:49,097 INFO L276 IsEmpty]: Start isEmpty. Operand 8665 states and 12517 transitions. [2024-11-13 14:31:49,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 719 [2024-11-13 14:31:49,109 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:31:49,110 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:31:49,110 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2024-11-13 14:31:49,110 INFO L396 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:31:49,110 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:31:49,110 INFO L85 PathProgramCache]: Analyzing trace with hash 604215657, now seen corresponding path program 1 times [2024-11-13 14:31:49,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:31:49,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350125483] [2024-11-13 14:31:49,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:31:49,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:31:49,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:50,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-13 14:31:50,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:50,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-13 14:31:50,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:50,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-13 14:31:50,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:50,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-13 14:31:50,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:50,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-13 14:31:50,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:50,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 518 [2024-11-13 14:31:50,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:50,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 530 [2024-11-13 14:31:50,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:50,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 558 [2024-11-13 14:31:50,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:50,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 584 [2024-11-13 14:31:50,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:50,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 595 [2024-11-13 14:31:50,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:50,796 INFO L134 CoverageAnalysis]: Checked inductivity of 694 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 508 trivial. 0 not checked. [2024-11-13 14:31:50,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:31:50,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350125483] [2024-11-13 14:31:50,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350125483] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:31:50,796 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:31:50,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 14:31:50,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956741675] [2024-11-13 14:31:50,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:31:50,797 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 14:31:50,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:31:50,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 14:31:50,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-13 14:31:50,798 INFO L87 Difference]: Start difference. First operand 8665 states and 12517 transitions. Second operand has 6 states, 6 states have (on average 100.16666666666667) internal successors, (601), 6 states have internal predecessors, (601), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-13 14:31:51,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:31:51,736 INFO L93 Difference]: Finished difference Result 18311 states and 26479 transitions. [2024-11-13 14:31:51,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 14:31:51,737 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 100.16666666666667) internal successors, (601), 6 states have internal predecessors, (601), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 718 [2024-11-13 14:31:51,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:31:51,749 INFO L225 Difference]: With dead ends: 18311 [2024-11-13 14:31:51,749 INFO L226 Difference]: Without dead ends: 14431 [2024-11-13 14:31:51,756 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-13 14:31:51,756 INFO L432 NwaCegarLoop]: 862 mSDtfsCounter, 1511 mSDsluCounter, 2477 mSDsCounter, 0 mSdLazyCounter, 1221 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1516 SdHoareTripleChecker+Valid, 3339 SdHoareTripleChecker+Invalid, 1222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-13 14:31:51,756 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1516 Valid, 3339 Invalid, 1222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1221 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-13 14:31:51,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14431 states. [2024-11-13 14:31:51,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14431 to 14309. [2024-11-13 14:31:51,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14309 states, 14223 states have (on average 1.4449131688110806) internal successors, (20551), 14223 states have internal predecessors, (20551), 84 states have call successors, (84), 1 states have call predecessors, (84), 1 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-13 14:31:51,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14309 states to 14309 states and 20719 transitions. [2024-11-13 14:31:51,953 INFO L78 Accepts]: Start accepts. Automaton has 14309 states and 20719 transitions. Word has length 718 [2024-11-13 14:31:51,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:31:51,953 INFO L471 AbstractCegarLoop]: Abstraction has 14309 states and 20719 transitions. [2024-11-13 14:31:51,954 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 100.16666666666667) internal successors, (601), 6 states have internal predecessors, (601), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-13 14:31:51,954 INFO L276 IsEmpty]: Start isEmpty. Operand 14309 states and 20719 transitions. [2024-11-13 14:31:52,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 719 [2024-11-13 14:31:52,035 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:31:52,035 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:31:52,035 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2024-11-13 14:31:52,035 INFO L396 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:31:52,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:31:52,037 INFO L85 PathProgramCache]: Analyzing trace with hash -576605879, now seen corresponding path program 1 times [2024-11-13 14:31:52,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:31:52,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372867616] [2024-11-13 14:31:52,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:31:52,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:31:54,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:54,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-13 14:31:54,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:54,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-13 14:31:54,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:54,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-13 14:31:54,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:54,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-13 14:31:54,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:54,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-13 14:31:54,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:54,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 518 [2024-11-13 14:31:54,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:54,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 530 [2024-11-13 14:31:54,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:54,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 558 [2024-11-13 14:31:54,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:54,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 584 [2024-11-13 14:31:54,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:54,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 595 [2024-11-13 14:31:54,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:54,857 INFO L134 CoverageAnalysis]: Checked inductivity of 692 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 632 trivial. 0 not checked. [2024-11-13 14:31:54,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:31:54,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372867616] [2024-11-13 14:31:54,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1372867616] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:31:54,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:31:54,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 14:31:54,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580610069] [2024-11-13 14:31:54,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:31:54,858 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 14:31:54,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:31:54,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 14:31:54,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 14:31:54,859 INFO L87 Difference]: Start difference. First operand 14309 states and 20719 transitions. Second operand has 4 states, 4 states have (on average 121.25) internal successors, (485), 4 states have internal predecessors, (485), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-13 14:31:55,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:31:55,010 INFO L93 Difference]: Finished difference Result 26912 states and 38978 transitions. [2024-11-13 14:31:55,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 14:31:55,011 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 121.25) internal successors, (485), 4 states have internal predecessors, (485), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 718 [2024-11-13 14:31:55,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:31:55,021 INFO L225 Difference]: With dead ends: 26912 [2024-11-13 14:31:55,021 INFO L226 Difference]: Without dead ends: 14261 [2024-11-13 14:31:55,031 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 14:31:55,031 INFO L432 NwaCegarLoop]: 1065 mSDtfsCounter, 961 mSDsluCounter, 1072 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 963 SdHoareTripleChecker+Valid, 2137 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:31:55,031 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [963 Valid, 2137 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:31:55,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14261 states. [2024-11-13 14:31:55,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14261 to 14261. [2024-11-13 14:31:55,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14261 states, 14175 states have (on average 1.444726631393298) internal successors, (20479), 14175 states have internal predecessors, (20479), 84 states have call successors, (84), 1 states have call predecessors, (84), 1 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-13 14:31:55,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14261 states to 14261 states and 20647 transitions. [2024-11-13 14:31:55,216 INFO L78 Accepts]: Start accepts. Automaton has 14261 states and 20647 transitions. Word has length 718 [2024-11-13 14:31:55,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:31:55,216 INFO L471 AbstractCegarLoop]: Abstraction has 14261 states and 20647 transitions. [2024-11-13 14:31:55,216 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 121.25) internal successors, (485), 4 states have internal predecessors, (485), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-13 14:31:55,216 INFO L276 IsEmpty]: Start isEmpty. Operand 14261 states and 20647 transitions. [2024-11-13 14:31:55,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 719 [2024-11-13 14:31:55,228 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:31:55,228 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:31:55,228 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2024-11-13 14:31:55,228 INFO L396 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:31:55,228 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:31:55,229 INFO L85 PathProgramCache]: Analyzing trace with hash 31486949, now seen corresponding path program 1 times [2024-11-13 14:31:55,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:31:55,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910118985] [2024-11-13 14:31:55,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:31:55,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:31:57,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:58,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-13 14:31:58,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:58,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-13 14:31:58,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:58,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-13 14:31:58,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:58,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-13 14:31:58,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:58,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-13 14:31:58,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:58,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 518 [2024-11-13 14:31:58,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:58,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 530 [2024-11-13 14:31:58,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:58,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 558 [2024-11-13 14:31:58,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:58,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 584 [2024-11-13 14:31:58,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:58,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 595 [2024-11-13 14:31:58,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:31:58,575 INFO L134 CoverageAnalysis]: Checked inductivity of 692 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 508 trivial. 0 not checked. [2024-11-13 14:31:58,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:31:58,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910118985] [2024-11-13 14:31:58,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1910118985] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:31:58,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:31:58,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 14:31:58,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770299383] [2024-11-13 14:31:58,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:31:58,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 14:31:58,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:31:58,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 14:31:58,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-13 14:31:58,578 INFO L87 Difference]: Start difference. First operand 14261 states and 20647 transitions. Second operand has 7 states, 7 states have (on average 85.85714285714286) internal successors, (601), 7 states have internal predecessors, (601), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-13 14:32:00,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:32:00,029 INFO L93 Difference]: Finished difference Result 26145 states and 37844 transitions. [2024-11-13 14:32:00,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 14:32:00,030 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 85.85714285714286) internal successors, (601), 7 states have internal predecessors, (601), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 718 [2024-11-13 14:32:00,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:32:00,045 INFO L225 Difference]: With dead ends: 26145 [2024-11-13 14:32:00,045 INFO L226 Difference]: Without dead ends: 20198 [2024-11-13 14:32:00,052 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-13 14:32:00,053 INFO L432 NwaCegarLoop]: 1394 mSDtfsCounter, 1701 mSDsluCounter, 4913 mSDsCounter, 0 mSdLazyCounter, 2189 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1705 SdHoareTripleChecker+Valid, 6307 SdHoareTripleChecker+Invalid, 2190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-13 14:32:00,053 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1705 Valid, 6307 Invalid, 2190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2189 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-13 14:32:00,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20198 states. [2024-11-13 14:32:00,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20198 to 15250. [2024-11-13 14:32:00,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15250 states, 15143 states have (on average 1.4407977283233178) internal successors, (21818), 15143 states have internal predecessors, (21818), 105 states have call successors, (105), 1 states have call predecessors, (105), 1 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2024-11-13 14:32:00,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15250 states to 15250 states and 22028 transitions. [2024-11-13 14:32:00,352 INFO L78 Accepts]: Start accepts. Automaton has 15250 states and 22028 transitions. Word has length 718 [2024-11-13 14:32:00,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:32:00,352 INFO L471 AbstractCegarLoop]: Abstraction has 15250 states and 22028 transitions. [2024-11-13 14:32:00,352 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 85.85714285714286) internal successors, (601), 7 states have internal predecessors, (601), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-13 14:32:00,352 INFO L276 IsEmpty]: Start isEmpty. Operand 15250 states and 22028 transitions. [2024-11-13 14:32:00,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 720 [2024-11-13 14:32:00,364 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:32:00,364 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:32:00,364 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2024-11-13 14:32:00,364 INFO L396 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:32:00,365 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:32:00,365 INFO L85 PathProgramCache]: Analyzing trace with hash 1873725199, now seen corresponding path program 1 times [2024-11-13 14:32:00,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:32:00,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389458937] [2024-11-13 14:32:00,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:32:00,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:32:03,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:32:04,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-13 14:32:04,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:32:04,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-13 14:32:04,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:32:04,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-13 14:32:04,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:32:04,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-13 14:32:04,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:32:04,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-13 14:32:04,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:32:04,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 518 [2024-11-13 14:32:04,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:32:04,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 530 [2024-11-13 14:32:04,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:32:04,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 558 [2024-11-13 14:32:04,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:32:04,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 584 [2024-11-13 14:32:04,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:32:04,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 595 [2024-11-13 14:32:04,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:32:04,941 INFO L134 CoverageAnalysis]: Checked inductivity of 693 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 508 trivial. 0 not checked. [2024-11-13 14:32:04,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:32:04,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389458937] [2024-11-13 14:32:04,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389458937] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:32:04,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:32:04,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 14:32:04,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216658963] [2024-11-13 14:32:04,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:32:04,942 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 14:32:04,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:32:04,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 14:32:04,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-13 14:32:04,943 INFO L87 Difference]: Start difference. First operand 15250 states and 22028 transitions. Second operand has 7 states, 7 states have (on average 86.0) internal successors, (602), 7 states have internal predecessors, (602), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 14:32:06,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:32:06,620 INFO L93 Difference]: Finished difference Result 27134 states and 39217 transitions. [2024-11-13 14:32:06,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 14:32:06,621 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 86.0) internal successors, (602), 7 states have internal predecessors, (602), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 719 [2024-11-13 14:32:06,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:32:06,637 INFO L225 Difference]: With dead ends: 27134 [2024-11-13 14:32:06,637 INFO L226 Difference]: Without dead ends: 20198 [2024-11-13 14:32:06,646 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-13 14:32:06,646 INFO L432 NwaCegarLoop]: 1394 mSDtfsCounter, 1489 mSDsluCounter, 4927 mSDsCounter, 0 mSdLazyCounter, 2185 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1489 SdHoareTripleChecker+Valid, 6321 SdHoareTripleChecker+Invalid, 2185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-13 14:32:06,646 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1489 Valid, 6321 Invalid, 2185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2185 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-13 14:32:06,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20198 states. [2024-11-13 14:32:06,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20198 to 15258. [2024-11-13 14:32:06,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15258 states, 15151 states have (on average 1.4405649792092932) internal successors, (21826), 15151 states have internal predecessors, (21826), 105 states have call successors, (105), 1 states have call predecessors, (105), 1 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2024-11-13 14:32:06,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15258 states to 15258 states and 22036 transitions. [2024-11-13 14:32:06,884 INFO L78 Accepts]: Start accepts. Automaton has 15258 states and 22036 transitions. Word has length 719 [2024-11-13 14:32:06,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:32:06,885 INFO L471 AbstractCegarLoop]: Abstraction has 15258 states and 22036 transitions. [2024-11-13 14:32:06,885 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 86.0) internal successors, (602), 7 states have internal predecessors, (602), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 14:32:06,885 INFO L276 IsEmpty]: Start isEmpty. Operand 15258 states and 22036 transitions. [2024-11-13 14:32:06,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 720 [2024-11-13 14:32:06,905 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:32:06,906 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:32:06,906 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2024-11-13 14:32:06,906 INFO L396 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:32:06,907 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:32:06,907 INFO L85 PathProgramCache]: Analyzing trace with hash -747702658, now seen corresponding path program 1 times [2024-11-13 14:32:06,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:32:06,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617793492] [2024-11-13 14:32:06,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:32:06,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:32:10,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:32:11,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-13 14:32:11,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:32:11,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-13 14:32:11,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:32:11,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-13 14:32:11,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:32:11,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-13 14:32:11,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:32:11,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-13 14:32:11,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:32:11,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2024-11-13 14:32:11,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:32:11,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 531 [2024-11-13 14:32:11,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:32:11,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 559 [2024-11-13 14:32:11,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:32:11,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 585 [2024-11-13 14:32:11,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:32:11,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 596 [2024-11-13 14:32:11,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:32:11,273 INFO L134 CoverageAnalysis]: Checked inductivity of 692 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 624 trivial. 0 not checked. [2024-11-13 14:32:11,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:32:11,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617793492] [2024-11-13 14:32:11,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [617793492] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:32:11,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:32:11,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 14:32:11,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310934936] [2024-11-13 14:32:11,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:32:11,274 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 14:32:11,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:32:11,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 14:32:11,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-13 14:32:11,275 INFO L87 Difference]: Start difference. First operand 15258 states and 22036 transitions. Second operand has 7 states, 7 states have (on average 70.28571428571429) internal successors, (492), 7 states have internal predecessors, (492), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-13 14:32:11,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:32:11,924 INFO L93 Difference]: Finished difference Result 33850 states and 48831 transitions. [2024-11-13 14:32:11,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 14:32:11,925 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 70.28571428571429) internal successors, (492), 7 states have internal predecessors, (492), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 719 [2024-11-13 14:32:11,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:32:11,938 INFO L225 Difference]: With dead ends: 33850 [2024-11-13 14:32:11,939 INFO L226 Difference]: Without dead ends: 15318 [2024-11-13 14:32:11,950 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-13 14:32:11,950 INFO L432 NwaCegarLoop]: 1397 mSDtfsCounter, 1476 mSDsluCounter, 4982 mSDsCounter, 0 mSdLazyCounter, 477 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1480 SdHoareTripleChecker+Valid, 6379 SdHoareTripleChecker+Invalid, 502 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 477 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 14:32:11,950 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1480 Valid, 6379 Invalid, 502 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 477 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 14:32:11,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15318 states. [2024-11-13 14:32:12,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15318 to 15288. [2024-11-13 14:32:12,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15288 states, 15181 states have (on average 1.438706277583822) internal successors, (21841), 15181 states have internal predecessors, (21841), 105 states have call successors, (105), 1 states have call predecessors, (105), 1 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2024-11-13 14:32:12,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15288 states to 15288 states and 22051 transitions. [2024-11-13 14:32:12,178 INFO L78 Accepts]: Start accepts. Automaton has 15288 states and 22051 transitions. Word has length 719 [2024-11-13 14:32:12,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:32:12,179 INFO L471 AbstractCegarLoop]: Abstraction has 15288 states and 22051 transitions. [2024-11-13 14:32:12,179 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 70.28571428571429) internal successors, (492), 7 states have internal predecessors, (492), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-13 14:32:12,179 INFO L276 IsEmpty]: Start isEmpty. Operand 15288 states and 22051 transitions. [2024-11-13 14:32:12,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 722 [2024-11-13 14:32:12,197 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:32:12,197 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:32:12,198 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2024-11-13 14:32:12,198 INFO L396 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:32:12,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:32:12,198 INFO L85 PathProgramCache]: Analyzing trace with hash -1408234782, now seen corresponding path program 1 times [2024-11-13 14:32:12,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:32:12,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414479849] [2024-11-13 14:32:12,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:32:12,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:32:15,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:32:16,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-13 14:32:16,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:32:16,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-13 14:32:16,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:32:16,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-13 14:32:16,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:32:16,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-13 14:32:16,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:32:16,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-13 14:32:16,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:32:16,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2024-11-13 14:32:16,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:32:16,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 533 [2024-11-13 14:32:16,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:32:16,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 561 [2024-11-13 14:32:16,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:32:16,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 587 [2024-11-13 14:32:16,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:32:16,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2024-11-13 14:32:16,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:32:16,103 INFO L134 CoverageAnalysis]: Checked inductivity of 693 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 508 trivial. 0 not checked. [2024-11-13 14:32:16,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:32:16,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414479849] [2024-11-13 14:32:16,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [414479849] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:32:16,103 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:32:16,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 14:32:16,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986031170] [2024-11-13 14:32:16,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:32:16,104 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 14:32:16,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:32:16,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 14:32:16,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-13 14:32:16,105 INFO L87 Difference]: Start difference. First operand 15288 states and 22051 transitions. Second operand has 6 states, 6 states have (on average 100.66666666666667) internal successors, (604), 6 states have internal predecessors, (604), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 14:32:17,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:32:17,036 INFO L93 Difference]: Finished difference Result 22248 states and 32057 transitions. [2024-11-13 14:32:17,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 14:32:17,036 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 100.66666666666667) internal successors, (604), 6 states have internal predecessors, (604), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 721 [2024-11-13 14:32:17,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:32:17,049 INFO L225 Difference]: With dead ends: 22248 [2024-11-13 14:32:17,049 INFO L226 Difference]: Without dead ends: 15292 [2024-11-13 14:32:17,056 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-13 14:32:17,057 INFO L432 NwaCegarLoop]: 795 mSDtfsCounter, 1007 mSDsluCounter, 2346 mSDsCounter, 0 mSdLazyCounter, 1156 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1007 SdHoareTripleChecker+Valid, 3141 SdHoareTripleChecker+Invalid, 1156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-13 14:32:17,057 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1007 Valid, 3141 Invalid, 1156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1156 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-13 14:32:17,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15292 states. [2024-11-13 14:32:17,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15292 to 15290. [2024-11-13 14:32:17,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15290 states, 15183 states have (on average 1.4386484884410196) internal successors, (21843), 15183 states have internal predecessors, (21843), 105 states have call successors, (105), 1 states have call predecessors, (105), 1 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2024-11-13 14:32:17,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15290 states to 15290 states and 22053 transitions. [2024-11-13 14:32:17,275 INFO L78 Accepts]: Start accepts. Automaton has 15290 states and 22053 transitions. Word has length 721 [2024-11-13 14:32:17,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:32:17,275 INFO L471 AbstractCegarLoop]: Abstraction has 15290 states and 22053 transitions. [2024-11-13 14:32:17,276 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 100.66666666666667) internal successors, (604), 6 states have internal predecessors, (604), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 14:32:17,276 INFO L276 IsEmpty]: Start isEmpty. Operand 15290 states and 22053 transitions. [2024-11-13 14:32:17,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 722 [2024-11-13 14:32:17,289 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:32:17,290 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:32:17,290 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2024-11-13 14:32:17,290 INFO L396 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:32:17,290 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:32:17,290 INFO L85 PathProgramCache]: Analyzing trace with hash -1221167303, now seen corresponding path program 1 times [2024-11-13 14:32:17,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:32:17,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98941061] [2024-11-13 14:32:17,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:32:17,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:32:20,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:32:21,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-13 14:32:21,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:32:21,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-13 14:32:21,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:32:21,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-13 14:32:21,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:32:21,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-13 14:32:21,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:32:21,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-13 14:32:21,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:32:21,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2024-11-13 14:32:21,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:32:21,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 533 [2024-11-13 14:32:21,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:32:21,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 561 [2024-11-13 14:32:21,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:32:21,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 587 [2024-11-13 14:32:21,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:32:21,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2024-11-13 14:32:21,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:32:21,990 INFO L134 CoverageAnalysis]: Checked inductivity of 693 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 508 trivial. 0 not checked. [2024-11-13 14:32:21,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:32:21,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98941061] [2024-11-13 14:32:21,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [98941061] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:32:21,990 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:32:21,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 14:32:21,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970550628] [2024-11-13 14:32:21,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:32:21,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 14:32:21,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:32:21,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 14:32:21,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-11-13 14:32:21,992 INFO L87 Difference]: Start difference. First operand 15290 states and 22053 transitions. Second operand has 7 states, 7 states have (on average 86.28571428571429) internal successors, (604), 7 states have internal predecessors, (604), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 14:32:23,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:32:23,358 INFO L93 Difference]: Finished difference Result 25910 states and 37357 transitions. [2024-11-13 14:32:23,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 14:32:23,359 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 86.28571428571429) internal successors, (604), 7 states have internal predecessors, (604), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 721 [2024-11-13 14:32:23,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:32:23,374 INFO L225 Difference]: With dead ends: 25910 [2024-11-13 14:32:23,374 INFO L226 Difference]: Without dead ends: 18952 [2024-11-13 14:32:23,382 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-13 14:32:23,383 INFO L432 NwaCegarLoop]: 790 mSDtfsCounter, 2212 mSDsluCounter, 3110 mSDsCounter, 0 mSdLazyCounter, 1486 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2217 SdHoareTripleChecker+Valid, 3900 SdHoareTripleChecker+Invalid, 1487 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1486 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:32:23,383 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2217 Valid, 3900 Invalid, 1487 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1486 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-13 14:32:23,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18952 states. [2024-11-13 14:32:23,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18952 to 18422. [2024-11-13 14:32:23,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18422 states, 18315 states have (on average 1.4418236418236419) internal successors, (26407), 18315 states have internal predecessors, (26407), 105 states have call successors, (105), 1 states have call predecessors, (105), 1 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2024-11-13 14:32:23,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18422 states to 18422 states and 26617 transitions. [2024-11-13 14:32:23,655 INFO L78 Accepts]: Start accepts. Automaton has 18422 states and 26617 transitions. Word has length 721 [2024-11-13 14:32:23,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:32:23,655 INFO L471 AbstractCegarLoop]: Abstraction has 18422 states and 26617 transitions. [2024-11-13 14:32:23,655 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 86.28571428571429) internal successors, (604), 7 states have internal predecessors, (604), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 14:32:23,656 INFO L276 IsEmpty]: Start isEmpty. Operand 18422 states and 26617 transitions. [2024-11-13 14:32:23,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 722 [2024-11-13 14:32:23,671 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:32:23,671 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:32:23,671 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2024-11-13 14:32:23,671 INFO L396 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:32:23,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:32:23,672 INFO L85 PathProgramCache]: Analyzing trace with hash -127854911, now seen corresponding path program 1 times [2024-11-13 14:32:23,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:32:23,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913047849] [2024-11-13 14:32:23,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:32:23,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:32:24,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:32:26,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-13 14:32:26,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:32:26,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 14:32:26,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:32:26,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-13 14:32:26,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:32:26,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-13 14:32:26,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:32:26,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-13 14:32:26,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:32:26,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2024-11-13 14:32:26,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:32:26,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 533 [2024-11-13 14:32:26,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:32:26,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 561 [2024-11-13 14:32:26,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:32:26,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 587 [2024-11-13 14:32:26,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:32:26,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2024-11-13 14:32:26,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:32:26,073 INFO L134 CoverageAnalysis]: Checked inductivity of 693 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 508 trivial. 0 not checked. [2024-11-13 14:32:26,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:32:26,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913047849] [2024-11-13 14:32:26,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1913047849] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:32:26,074 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:32:26,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 14:32:26,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615664169] [2024-11-13 14:32:26,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:32:26,075 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 14:32:26,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:32:26,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 14:32:26,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-13 14:32:26,076 INFO L87 Difference]: Start difference. First operand 18422 states and 26617 transitions. Second operand has 8 states, 8 states have (on average 75.5) internal successors, (604), 8 states have internal predecessors, (604), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 14:32:26,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:32:26,423 INFO L93 Difference]: Finished difference Result 26126 states and 37653 transitions. [2024-11-13 14:32:26,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 14:32:26,424 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 75.5) internal successors, (604), 8 states have internal predecessors, (604), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 721 [2024-11-13 14:32:26,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:32:26,440 INFO L225 Difference]: With dead ends: 26126 [2024-11-13 14:32:26,440 INFO L226 Difference]: Without dead ends: 19168 [2024-11-13 14:32:26,448 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-13 14:32:26,448 INFO L432 NwaCegarLoop]: 1934 mSDtfsCounter, 543 mSDsluCounter, 10674 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 543 SdHoareTripleChecker+Valid, 12608 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:32:26,449 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [543 Valid, 12608 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:32:26,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19168 states. [2024-11-13 14:32:26,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19168 to 19120. [2024-11-13 14:32:26,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19120 states, 19013 states have (on average 1.4394887708410036) internal successors, (27369), 19013 states have internal predecessors, (27369), 105 states have call successors, (105), 1 states have call predecessors, (105), 1 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2024-11-13 14:32:26,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19120 states to 19120 states and 27579 transitions. [2024-11-13 14:32:26,730 INFO L78 Accepts]: Start accepts. Automaton has 19120 states and 27579 transitions. Word has length 721 [2024-11-13 14:32:26,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:32:26,731 INFO L471 AbstractCegarLoop]: Abstraction has 19120 states and 27579 transitions. [2024-11-13 14:32:26,731 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 75.5) internal successors, (604), 8 states have internal predecessors, (604), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 14:32:26,731 INFO L276 IsEmpty]: Start isEmpty. Operand 19120 states and 27579 transitions. [2024-11-13 14:32:26,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 722 [2024-11-13 14:32:26,746 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:32:26,746 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:32:26,746 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2024-11-13 14:32:26,746 INFO L396 AbstractCegarLoop]: === Iteration 70 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:32:26,747 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:32:26,747 INFO L85 PathProgramCache]: Analyzing trace with hash -396634894, now seen corresponding path program 1 times [2024-11-13 14:32:26,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:32:26,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184165505] [2024-11-13 14:32:26,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:32:26,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:32:29,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:32:31,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-13 14:32:31,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:32:31,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 14:32:31,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:32:31,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-13 14:32:31,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:32:31,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-13 14:32:31,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:32:31,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-13 14:32:31,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:32:31,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2024-11-13 14:32:31,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:32:31,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 533 [2024-11-13 14:32:31,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:32:31,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 561 [2024-11-13 14:32:31,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:32:31,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 587 [2024-11-13 14:32:31,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:32:31,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2024-11-13 14:32:31,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:32:31,281 INFO L134 CoverageAnalysis]: Checked inductivity of 693 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 601 trivial. 0 not checked. [2024-11-13 14:32:31,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:32:31,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184165505] [2024-11-13 14:32:31,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1184165505] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:32:31,281 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:32:31,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 14:32:31,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851628530] [2024-11-13 14:32:31,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:32:31,282 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 14:32:31,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:32:31,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 14:32:31,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-13 14:32:31,284 INFO L87 Difference]: Start difference. First operand 19120 states and 27579 transitions. Second operand has 6 states, 6 states have (on average 86.0) internal successors, (516), 6 states have internal predecessors, (516), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 14:32:32,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:32:32,375 INFO L93 Difference]: Finished difference Result 33322 states and 48065 transitions. [2024-11-13 14:32:32,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 14:32:32,375 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 86.0) internal successors, (516), 6 states have internal predecessors, (516), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 721 [2024-11-13 14:32:32,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:32:32,392 INFO L225 Difference]: With dead ends: 33322 [2024-11-13 14:32:32,392 INFO L226 Difference]: Without dead ends: 20202 [2024-11-13 14:32:32,402 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-13 14:32:32,403 INFO L432 NwaCegarLoop]: 790 mSDtfsCounter, 1685 mSDsluCounter, 2296 mSDsCounter, 0 mSdLazyCounter, 1121 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1690 SdHoareTripleChecker+Valid, 3086 SdHoareTripleChecker+Invalid, 1124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-13 14:32:32,403 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1690 Valid, 3086 Invalid, 1124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1121 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-13 14:32:32,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20202 states. [2024-11-13 14:32:32,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20202 to 19120. [2024-11-13 14:32:32,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19120 states, 19013 states have (on average 1.4378057118813443) internal successors, (27337), 19013 states have internal predecessors, (27337), 105 states have call successors, (105), 1 states have call predecessors, (105), 1 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2024-11-13 14:32:32,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19120 states to 19120 states and 27547 transitions. [2024-11-13 14:32:32,672 INFO L78 Accepts]: Start accepts. Automaton has 19120 states and 27547 transitions. Word has length 721 [2024-11-13 14:32:32,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:32:32,673 INFO L471 AbstractCegarLoop]: Abstraction has 19120 states and 27547 transitions. [2024-11-13 14:32:32,673 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 86.0) internal successors, (516), 6 states have internal predecessors, (516), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 14:32:32,673 INFO L276 IsEmpty]: Start isEmpty. Operand 19120 states and 27547 transitions. [2024-11-13 14:32:32,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 723 [2024-11-13 14:32:32,688 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:32:32,689 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:32:32,689 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2024-11-13 14:32:32,689 INFO L396 AbstractCegarLoop]: === Iteration 71 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:32:32,689 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:32:32,689 INFO L85 PathProgramCache]: Analyzing trace with hash 250108177, now seen corresponding path program 1 times [2024-11-13 14:32:32,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:32:32,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593124003] [2024-11-13 14:32:32,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:32:32,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:32:35,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:32:36,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-13 14:32:36,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:32:36,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-13 14:32:36,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:32:36,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-13 14:32:36,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:32:36,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-13 14:32:36,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:32:36,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-13 14:32:36,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:32:36,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2024-11-13 14:32:36,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:32:36,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 534 [2024-11-13 14:32:36,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:32:36,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 562 [2024-11-13 14:32:36,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:32:36,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 588 [2024-11-13 14:32:36,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:32:36,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 599 [2024-11-13 14:32:36,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:32:36,408 INFO L134 CoverageAnalysis]: Checked inductivity of 693 backedges. 140 proven. 3 refuted. 0 times theorem prover too weak. 550 trivial. 0 not checked. [2024-11-13 14:32:36,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:32:36,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593124003] [2024-11-13 14:32:36,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [593124003] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:32:36,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [146373340] [2024-11-13 14:32:36,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:32:36,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:32:36,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:32:36,413 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:32:36,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2024-11-13 14:32:40,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:32:40,403 INFO L255 TraceCheckSpWp]: Trace formula consists of 3701 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-13 14:32:40,412 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:32:40,948 INFO L134 CoverageAnalysis]: Checked inductivity of 693 backedges. 166 proven. 0 refuted. 0 times theorem prover too weak. 527 trivial. 0 not checked. [2024-11-13 14:32:40,948 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 14:32:40,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [146373340] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:32:40,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 14:32:40,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2024-11-13 14:32:40,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545284504] [2024-11-13 14:32:40,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:32:40,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 14:32:40,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:32:40,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 14:32:40,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2024-11-13 14:32:40,950 INFO L87 Difference]: Start difference. First operand 19120 states and 27547 transitions. Second operand has 7 states, 7 states have (on average 71.28571428571429) internal successors, (499), 7 states have internal predecessors, (499), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-13 14:32:42,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:32:42,093 INFO L93 Difference]: Finished difference Result 36387 states and 52454 transitions. [2024-11-13 14:32:42,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 14:32:42,093 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 71.28571428571429) internal successors, (499), 7 states have internal predecessors, (499), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 722 [2024-11-13 14:32:42,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:32:42,105 INFO L225 Difference]: With dead ends: 36387 [2024-11-13 14:32:42,105 INFO L226 Difference]: Without dead ends: 19195 [2024-11-13 14:32:42,112 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 748 GetRequests, 738 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2024-11-13 14:32:42,113 INFO L432 NwaCegarLoop]: 783 mSDtfsCounter, 952 mSDsluCounter, 3115 mSDsCounter, 0 mSdLazyCounter, 1501 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 953 SdHoareTripleChecker+Valid, 3898 SdHoareTripleChecker+Invalid, 1501 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1501 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-13 14:32:42,113 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [953 Valid, 3898 Invalid, 1501 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1501 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-13 14:32:42,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19195 states. [2024-11-13 14:32:42,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19195 to 19150. [2024-11-13 14:32:42,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19150 states, 19043 states have (on average 1.4371160006301529) internal successors, (27367), 19043 states have internal predecessors, (27367), 105 states have call successors, (105), 1 states have call predecessors, (105), 1 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2024-11-13 14:32:42,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19150 states to 19150 states and 27577 transitions. [2024-11-13 14:32:42,369 INFO L78 Accepts]: Start accepts. Automaton has 19150 states and 27577 transitions. Word has length 722 [2024-11-13 14:32:42,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:32:42,369 INFO L471 AbstractCegarLoop]: Abstraction has 19150 states and 27577 transitions. [2024-11-13 14:32:42,370 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 71.28571428571429) internal successors, (499), 7 states have internal predecessors, (499), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-13 14:32:42,370 INFO L276 IsEmpty]: Start isEmpty. Operand 19150 states and 27577 transitions. [2024-11-13 14:32:42,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 725 [2024-11-13 14:32:42,388 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:32:42,389 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:32:42,429 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Ended with exit code 0 [2024-11-13 14:32:42,589 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70,37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:32:42,589 INFO L396 AbstractCegarLoop]: === Iteration 72 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:32:42,589 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:32:42,590 INFO L85 PathProgramCache]: Analyzing trace with hash -2128043517, now seen corresponding path program 1 times [2024-11-13 14:32:42,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:32:42,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255437375] [2024-11-13 14:32:42,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:32:42,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:32:45,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:32:46,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-13 14:32:46,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:32:46,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-13 14:32:46,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:32:46,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-13 14:32:46,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:32:46,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-13 14:32:46,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:32:46,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-13 14:32:46,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:32:46,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 522 [2024-11-13 14:32:46,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:32:46,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 535 [2024-11-13 14:32:46,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:32:46,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2024-11-13 14:32:46,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:32:46,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 589 [2024-11-13 14:32:46,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:32:46,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2024-11-13 14:32:46,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:32:46,762 INFO L134 CoverageAnalysis]: Checked inductivity of 694 backedges. 141 proven. 3 refuted. 0 times theorem prover too weak. 550 trivial. 0 not checked. [2024-11-13 14:32:46,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:32:46,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255437375] [2024-11-13 14:32:46,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [255437375] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:32:46,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [46625883] [2024-11-13 14:32:46,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:32:46,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:32:46,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:32:46,764 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:32:46,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2024-11-13 14:32:51,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:32:51,220 INFO L255 TraceCheckSpWp]: Trace formula consists of 3703 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-13 14:32:51,227 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:32:53,147 INFO L134 CoverageAnalysis]: Checked inductivity of 694 backedges. 187 proven. 3 refuted. 0 times theorem prover too weak. 504 trivial. 0 not checked. [2024-11-13 14:32:53,147 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:32:56,124 INFO L134 CoverageAnalysis]: Checked inductivity of 694 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 508 trivial. 0 not checked. [2024-11-13 14:32:56,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [46625883] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-13 14:32:56,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-13 14:32:56,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [7, 9] total 22 [2024-11-13 14:32:56,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517634864] [2024-11-13 14:32:56,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:32:56,126 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 14:32:56,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:32:56,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 14:32:56,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=362, Unknown=0, NotChecked=0, Total=462 [2024-11-13 14:32:56,127 INFO L87 Difference]: Start difference. First operand 19150 states and 27577 transitions. Second operand has 10 states, 10 states have (on average 60.7) internal successors, (607), 10 states have internal predecessors, (607), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-13 14:32:57,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:32:57,419 INFO L93 Difference]: Finished difference Result 36648 states and 52787 transitions. [2024-11-13 14:32:57,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 14:32:57,419 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 60.7) internal successors, (607), 10 states have internal predecessors, (607), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 724 [2024-11-13 14:32:57,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:32:57,435 INFO L225 Difference]: With dead ends: 36648 [2024-11-13 14:32:57,435 INFO L226 Difference]: Without dead ends: 19210 [2024-11-13 14:32:57,446 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1476 GetRequests, 1453 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=124, Invalid=476, Unknown=0, NotChecked=0, Total=600 [2024-11-13 14:32:57,446 INFO L432 NwaCegarLoop]: 784 mSDtfsCounter, 3540 mSDsluCounter, 2341 mSDsCounter, 0 mSdLazyCounter, 1194 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3541 SdHoareTripleChecker+Valid, 3125 SdHoareTripleChecker+Invalid, 1203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-13 14:32:57,446 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3541 Valid, 3125 Invalid, 1203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1194 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-13 14:32:57,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19210 states. [2024-11-13 14:32:57,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19210 to 19210. [2024-11-13 14:32:57,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19210 states, 19103 states have (on average 1.435743077003612) internal successors, (27427), 19103 states have internal predecessors, (27427), 105 states have call successors, (105), 1 states have call predecessors, (105), 1 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2024-11-13 14:32:57,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19210 states to 19210 states and 27637 transitions. [2024-11-13 14:32:57,831 INFO L78 Accepts]: Start accepts. Automaton has 19210 states and 27637 transitions. Word has length 724 [2024-11-13 14:32:57,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:32:57,832 INFO L471 AbstractCegarLoop]: Abstraction has 19210 states and 27637 transitions. [2024-11-13 14:32:57,832 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 60.7) internal successors, (607), 10 states have internal predecessors, (607), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-13 14:32:57,832 INFO L276 IsEmpty]: Start isEmpty. Operand 19210 states and 27637 transitions. [2024-11-13 14:32:57,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 725 [2024-11-13 14:32:57,848 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:32:57,848 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:32:57,881 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Ended with exit code 0 [2024-11-13 14:32:58,049 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71,38 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:32:58,049 INFO L396 AbstractCegarLoop]: === Iteration 73 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:32:58,049 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:32:58,049 INFO L85 PathProgramCache]: Analyzing trace with hash -505934209, now seen corresponding path program 1 times [2024-11-13 14:32:58,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:32:58,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703018647] [2024-11-13 14:32:58,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:32:58,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:33:01,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:02,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-13 14:33:02,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:02,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-13 14:33:02,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:02,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-13 14:33:02,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:02,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-13 14:33:02,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:02,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-13 14:33:02,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:02,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 522 [2024-11-13 14:33:02,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:02,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 535 [2024-11-13 14:33:02,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:02,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2024-11-13 14:33:02,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:02,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 589 [2024-11-13 14:33:02,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:02,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2024-11-13 14:33:02,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:02,674 INFO L134 CoverageAnalysis]: Checked inductivity of 696 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 508 trivial. 0 not checked. [2024-11-13 14:33:02,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:33:02,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703018647] [2024-11-13 14:33:02,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1703018647] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:33:02,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:33:02,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 14:33:02,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960976653] [2024-11-13 14:33:02,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:33:02,676 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 14:33:02,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:33:02,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 14:33:02,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-13 14:33:02,677 INFO L87 Difference]: Start difference. First operand 19210 states and 27637 transitions. Second operand has 8 states, 8 states have (on average 75.875) internal successors, (607), 8 states have internal predecessors, (607), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-13 14:33:03,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:33:03,840 INFO L93 Difference]: Finished difference Result 43556 states and 62725 transitions. [2024-11-13 14:33:03,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 14:33:03,840 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 75.875) internal successors, (607), 8 states have internal predecessors, (607), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 724 [2024-11-13 14:33:03,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:33:03,862 INFO L225 Difference]: With dead ends: 43556 [2024-11-13 14:33:03,862 INFO L226 Difference]: Without dead ends: 24614 [2024-11-13 14:33:03,876 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-13 14:33:03,876 INFO L432 NwaCegarLoop]: 1389 mSDtfsCounter, 1331 mSDsluCounter, 6057 mSDsCounter, 0 mSdLazyCounter, 1209 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1335 SdHoareTripleChecker+Valid, 7446 SdHoareTripleChecker+Invalid, 1209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-13 14:33:03,876 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1335 Valid, 7446 Invalid, 1209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1209 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-13 14:33:03,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24614 states. [2024-11-13 14:33:04,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24614 to 20754. [2024-11-13 14:33:04,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20754 states, 20623 states have (on average 1.4343693933957231) internal successors, (29581), 20623 states have internal predecessors, (29581), 129 states have call successors, (129), 1 states have call predecessors, (129), 1 states have return successors, (129), 129 states have call predecessors, (129), 129 states have call successors, (129) [2024-11-13 14:33:04,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20754 states to 20754 states and 29839 transitions. [2024-11-13 14:33:04,199 INFO L78 Accepts]: Start accepts. Automaton has 20754 states and 29839 transitions. Word has length 724 [2024-11-13 14:33:04,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:33:04,200 INFO L471 AbstractCegarLoop]: Abstraction has 20754 states and 29839 transitions. [2024-11-13 14:33:04,200 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 75.875) internal successors, (607), 8 states have internal predecessors, (607), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-13 14:33:04,200 INFO L276 IsEmpty]: Start isEmpty. Operand 20754 states and 29839 transitions. [2024-11-13 14:33:04,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 726 [2024-11-13 14:33:04,220 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:33:04,220 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:33:04,220 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2024-11-13 14:33:04,220 INFO L396 AbstractCegarLoop]: === Iteration 74 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:33:04,221 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:33:04,221 INFO L85 PathProgramCache]: Analyzing trace with hash 1974125526, now seen corresponding path program 1 times [2024-11-13 14:33:04,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:33:04,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106894132] [2024-11-13 14:33:04,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:33:04,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:33:06,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:08,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-13 14:33:08,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:08,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 14:33:08,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:08,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-13 14:33:08,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:08,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-13 14:33:08,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:08,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-13 14:33:08,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:08,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 523 [2024-11-13 14:33:08,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:08,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 536 [2024-11-13 14:33:08,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:08,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2024-11-13 14:33:08,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:08,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 590 [2024-11-13 14:33:08,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:08,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2024-11-13 14:33:08,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:08,188 INFO L134 CoverageAnalysis]: Checked inductivity of 696 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 508 trivial. 0 not checked. [2024-11-13 14:33:08,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:33:08,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106894132] [2024-11-13 14:33:08,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1106894132] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:33:08,188 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:33:08,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 14:33:08,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913620154] [2024-11-13 14:33:08,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:33:08,189 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 14:33:08,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:33:08,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 14:33:08,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-13 14:33:08,190 INFO L87 Difference]: Start difference. First operand 20754 states and 29839 transitions. Second operand has 7 states, 7 states have (on average 86.85714285714286) internal successors, (608), 7 states have internal predecessors, (608), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 14:33:09,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:33:09,830 INFO L93 Difference]: Finished difference Result 30365 states and 43564 transitions. [2024-11-13 14:33:09,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 14:33:09,831 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 86.85714285714286) internal successors, (608), 7 states have internal predecessors, (608), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 725 [2024-11-13 14:33:09,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:33:09,846 INFO L225 Difference]: With dead ends: 30365 [2024-11-13 14:33:09,846 INFO L226 Difference]: Without dead ends: 21836 [2024-11-13 14:33:09,855 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-13 14:33:09,855 INFO L432 NwaCegarLoop]: 1386 mSDtfsCounter, 1419 mSDsluCounter, 4742 mSDsCounter, 0 mSdLazyCounter, 2121 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1419 SdHoareTripleChecker+Valid, 6128 SdHoareTripleChecker+Invalid, 2124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 2121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-13 14:33:09,855 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1419 Valid, 6128 Invalid, 2124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 2121 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-13 14:33:09,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21836 states. [2024-11-13 14:33:10,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21836 to 19227. [2024-11-13 14:33:10,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19227 states, 19129 states have (on average 1.4378169271786294) internal successors, (27504), 19129 states have internal predecessors, (27504), 96 states have call successors, (96), 1 states have call predecessors, (96), 1 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2024-11-13 14:33:10,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19227 states to 19227 states and 27696 transitions. [2024-11-13 14:33:10,159 INFO L78 Accepts]: Start accepts. Automaton has 19227 states and 27696 transitions. Word has length 725 [2024-11-13 14:33:10,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:33:10,159 INFO L471 AbstractCegarLoop]: Abstraction has 19227 states and 27696 transitions. [2024-11-13 14:33:10,159 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 86.85714285714286) internal successors, (608), 7 states have internal predecessors, (608), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 14:33:10,159 INFO L276 IsEmpty]: Start isEmpty. Operand 19227 states and 27696 transitions. [2024-11-13 14:33:10,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 727 [2024-11-13 14:33:10,173 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:33:10,173 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:33:10,173 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2024-11-13 14:33:10,173 INFO L396 AbstractCegarLoop]: === Iteration 75 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:33:10,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:33:10,173 INFO L85 PathProgramCache]: Analyzing trace with hash 1171171964, now seen corresponding path program 1 times [2024-11-13 14:33:10,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:33:10,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932349549] [2024-11-13 14:33:10,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:33:10,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:33:13,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:15,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-13 14:33:15,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:15,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 14:33:15,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:15,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-13 14:33:15,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:15,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-13 14:33:15,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:15,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-13 14:33:15,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:15,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 522 [2024-11-13 14:33:15,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:15,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 535 [2024-11-13 14:33:15,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:15,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2024-11-13 14:33:15,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:15,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 589 [2024-11-13 14:33:15,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:15,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2024-11-13 14:33:15,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:15,152 INFO L134 CoverageAnalysis]: Checked inductivity of 698 backedges. 186 proven. 4 refuted. 0 times theorem prover too weak. 508 trivial. 0 not checked. [2024-11-13 14:33:15,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:33:15,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932349549] [2024-11-13 14:33:15,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1932349549] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:33:15,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1211842145] [2024-11-13 14:33:15,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:33:15,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:33:15,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:33:15,155 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:33:15,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2024-11-13 14:33:19,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:19,984 INFO L255 TraceCheckSpWp]: Trace formula consists of 3703 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-11-13 14:33:19,993 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:33:21,642 INFO L134 CoverageAnalysis]: Checked inductivity of 698 backedges. 271 proven. 0 refuted. 0 times theorem prover too weak. 427 trivial. 0 not checked. [2024-11-13 14:33:21,642 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 14:33:21,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1211842145] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:33:21,642 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 14:33:21,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 14 [2024-11-13 14:33:21,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807081114] [2024-11-13 14:33:21,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:33:21,643 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 14:33:21,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:33:21,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 14:33:21,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2024-11-13 14:33:21,645 INFO L87 Difference]: Start difference. First operand 19227 states and 27696 transitions. Second operand has 8 states, 8 states have (on average 74.875) internal successors, (599), 8 states have internal predecessors, (599), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-13 14:33:22,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:33:22,906 INFO L93 Difference]: Finished difference Result 19245 states and 27712 transitions. [2024-11-13 14:33:22,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 14:33:22,907 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 74.875) internal successors, (599), 8 states have internal predecessors, (599), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 726 [2024-11-13 14:33:22,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:33:22,919 INFO L225 Difference]: With dead ends: 19245 [2024-11-13 14:33:22,919 INFO L226 Difference]: Without dead ends: 18212 [2024-11-13 14:33:22,922 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 755 GetRequests, 743 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2024-11-13 14:33:22,922 INFO L432 NwaCegarLoop]: 779 mSDtfsCounter, 652 mSDsluCounter, 3835 mSDsCounter, 0 mSdLazyCounter, 1813 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 652 SdHoareTripleChecker+Valid, 4614 SdHoareTripleChecker+Invalid, 1813 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1813 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:33:22,922 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [652 Valid, 4614 Invalid, 1813 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1813 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-13 14:33:22,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18212 states. [2024-11-13 14:33:23,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18212 to 18200. [2024-11-13 14:33:23,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18200 states, 18114 states have (on average 1.4383349895108755) internal successors, (26054), 18114 states have internal predecessors, (26054), 84 states have call successors, (84), 1 states have call predecessors, (84), 1 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-13 14:33:23,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18200 states to 18200 states and 26222 transitions. [2024-11-13 14:33:23,169 INFO L78 Accepts]: Start accepts. Automaton has 18200 states and 26222 transitions. Word has length 726 [2024-11-13 14:33:23,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:33:23,169 INFO L471 AbstractCegarLoop]: Abstraction has 18200 states and 26222 transitions. [2024-11-13 14:33:23,170 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 74.875) internal successors, (599), 8 states have internal predecessors, (599), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-13 14:33:23,170 INFO L276 IsEmpty]: Start isEmpty. Operand 18200 states and 26222 transitions. [2024-11-13 14:33:23,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 728 [2024-11-13 14:33:23,183 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:33:23,184 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:33:23,218 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Forceful destruction successful, exit code 0 [2024-11-13 14:33:23,384 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74,39 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:33:23,385 INFO L396 AbstractCegarLoop]: === Iteration 76 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:33:23,385 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:33:23,385 INFO L85 PathProgramCache]: Analyzing trace with hash 1977071379, now seen corresponding path program 1 times [2024-11-13 14:33:23,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:33:23,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618476002] [2024-11-13 14:33:23,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:33:23,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:33:26,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:30,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-13 14:33:30,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:30,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 14:33:30,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:30,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-13 14:33:30,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:30,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-13 14:33:30,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:30,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-13 14:33:30,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:30,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 522 [2024-11-13 14:33:30,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:30,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 536 [2024-11-13 14:33:30,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:30,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2024-11-13 14:33:30,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:30,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 590 [2024-11-13 14:33:30,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:30,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2024-11-13 14:33:30,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:30,326 INFO L134 CoverageAnalysis]: Checked inductivity of 699 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 589 trivial. 0 not checked. [2024-11-13 14:33:30,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:33:30,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618476002] [2024-11-13 14:33:30,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [618476002] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:33:30,327 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:33:30,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 14:33:30,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129101319] [2024-11-13 14:33:30,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:33:30,328 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 14:33:30,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:33:30,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 14:33:30,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-13 14:33:30,329 INFO L87 Difference]: Start difference. First operand 18200 states and 26222 transitions. Second operand has 8 states, 8 states have (on average 66.625) internal successors, (533), 8 states have internal predecessors, (533), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-13 14:33:30,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:33:30,756 INFO L93 Difference]: Finished difference Result 40154 states and 57634 transitions. [2024-11-13 14:33:30,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 14:33:30,757 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 66.625) internal successors, (533), 8 states have internal predecessors, (533), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 727 [2024-11-13 14:33:30,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:33:30,783 INFO L225 Difference]: With dead ends: 40154 [2024-11-13 14:33:30,784 INFO L226 Difference]: Without dead ends: 22496 [2024-11-13 14:33:30,799 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-13 14:33:30,799 INFO L432 NwaCegarLoop]: 1198 mSDtfsCounter, 1203 mSDsluCounter, 5799 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1207 SdHoareTripleChecker+Valid, 6997 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 14:33:30,799 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1207 Valid, 6997 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 14:33:30,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22496 states. [2024-11-13 14:33:31,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22496 to 22400. [2024-11-13 14:33:31,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22400 states, 22242 states have (on average 1.424961784012229) internal successors, (31694), 22242 states have internal predecessors, (31694), 156 states have call successors, (156), 1 states have call predecessors, (156), 1 states have return successors, (156), 156 states have call predecessors, (156), 156 states have call successors, (156) [2024-11-13 14:33:31,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22400 states to 22400 states and 32006 transitions. [2024-11-13 14:33:31,125 INFO L78 Accepts]: Start accepts. Automaton has 22400 states and 32006 transitions. Word has length 727 [2024-11-13 14:33:31,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:33:31,125 INFO L471 AbstractCegarLoop]: Abstraction has 22400 states and 32006 transitions. [2024-11-13 14:33:31,126 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 66.625) internal successors, (533), 8 states have internal predecessors, (533), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-13 14:33:31,126 INFO L276 IsEmpty]: Start isEmpty. Operand 22400 states and 32006 transitions. [2024-11-13 14:33:31,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 728 [2024-11-13 14:33:31,144 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:33:31,144 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:33:31,145 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2024-11-13 14:33:31,145 INFO L396 AbstractCegarLoop]: === Iteration 77 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:33:31,145 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:33:31,145 INFO L85 PathProgramCache]: Analyzing trace with hash 1942913414, now seen corresponding path program 1 times [2024-11-13 14:33:31,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:33:31,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572737724] [2024-11-13 14:33:31,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:33:31,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:33:33,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:34,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-13 14:33:34,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:34,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 14:33:34,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:34,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-13 14:33:34,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:34,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-13 14:33:34,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:34,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-13 14:33:34,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:34,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 522 [2024-11-13 14:33:34,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:34,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 536 [2024-11-13 14:33:34,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:34,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2024-11-13 14:33:34,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:34,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 590 [2024-11-13 14:33:34,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:34,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2024-11-13 14:33:34,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:34,741 INFO L134 CoverageAnalysis]: Checked inductivity of 697 backedges. 189 proven. 0 refuted. 0 times theorem prover too weak. 508 trivial. 0 not checked. [2024-11-13 14:33:34,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:33:34,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572737724] [2024-11-13 14:33:34,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572737724] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:33:34,742 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:33:34,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 14:33:34,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951561737] [2024-11-13 14:33:34,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:33:34,742 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 14:33:34,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:33:34,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 14:33:34,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-13 14:33:34,743 INFO L87 Difference]: Start difference. First operand 22400 states and 32006 transitions. Second operand has 8 states, 8 states have (on average 76.25) internal successors, (610), 8 states have internal predecessors, (610), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 14:33:35,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:33:35,057 INFO L93 Difference]: Finished difference Result 32761 states and 46931 transitions. [2024-11-13 14:33:35,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 14:33:35,057 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 76.25) internal successors, (610), 8 states have internal predecessors, (610), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 727 [2024-11-13 14:33:35,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:33:35,079 INFO L225 Difference]: With dead ends: 32761 [2024-11-13 14:33:35,079 INFO L226 Difference]: Without dead ends: 25462 [2024-11-13 14:33:35,088 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-13 14:33:35,089 INFO L432 NwaCegarLoop]: 1449 mSDtfsCounter, 734 mSDsluCounter, 6083 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 734 SdHoareTripleChecker+Valid, 7532 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:33:35,089 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [734 Valid, 7532 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:33:35,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25462 states. [2024-11-13 14:33:35,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25462 to 25243. [2024-11-13 14:33:35,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25243 states, 25085 states have (on average 1.4300976679290414) internal successors, (35874), 25085 states have internal predecessors, (35874), 156 states have call successors, (156), 1 states have call predecessors, (156), 1 states have return successors, (156), 156 states have call predecessors, (156), 156 states have call successors, (156) [2024-11-13 14:33:35,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25243 states to 25243 states and 36186 transitions. [2024-11-13 14:33:35,571 INFO L78 Accepts]: Start accepts. Automaton has 25243 states and 36186 transitions. Word has length 727 [2024-11-13 14:33:35,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:33:35,572 INFO L471 AbstractCegarLoop]: Abstraction has 25243 states and 36186 transitions. [2024-11-13 14:33:35,572 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 76.25) internal successors, (610), 8 states have internal predecessors, (610), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 14:33:35,572 INFO L276 IsEmpty]: Start isEmpty. Operand 25243 states and 36186 transitions. [2024-11-13 14:33:35,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 728 [2024-11-13 14:33:35,593 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:33:35,594 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:33:35,594 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2024-11-13 14:33:35,594 INFO L396 AbstractCegarLoop]: === Iteration 78 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:33:35,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:33:35,594 INFO L85 PathProgramCache]: Analyzing trace with hash 1415709459, now seen corresponding path program 1 times [2024-11-13 14:33:35,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:33:35,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006371468] [2024-11-13 14:33:35,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:33:35,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:33:40,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:42,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-13 14:33:42,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:42,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 14:33:42,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:42,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-13 14:33:42,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:42,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-13 14:33:42,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:42,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-13 14:33:42,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:42,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 522 [2024-11-13 14:33:42,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:42,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 536 [2024-11-13 14:33:42,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:42,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2024-11-13 14:33:42,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:42,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 590 [2024-11-13 14:33:42,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:42,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2024-11-13 14:33:42,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:42,262 INFO L134 CoverageAnalysis]: Checked inductivity of 699 backedges. 191 proven. 0 refuted. 0 times theorem prover too weak. 508 trivial. 0 not checked. [2024-11-13 14:33:42,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:33:42,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006371468] [2024-11-13 14:33:42,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1006371468] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:33:42,263 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:33:42,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 14:33:42,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978585119] [2024-11-13 14:33:42,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:33:42,264 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 14:33:42,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:33:42,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 14:33:42,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-13 14:33:42,265 INFO L87 Difference]: Start difference. First operand 25243 states and 36186 transitions. Second operand has 7 states, 7 states have (on average 87.14285714285714) internal successors, (610), 7 states have internal predecessors, (610), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 14:33:42,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:33:42,903 INFO L93 Difference]: Finished difference Result 33467 states and 47980 transitions. [2024-11-13 14:33:42,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 14:33:42,904 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 87.14285714285714) internal successors, (610), 7 states have internal predecessors, (610), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 727 [2024-11-13 14:33:42,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:33:42,928 INFO L225 Difference]: With dead ends: 33467 [2024-11-13 14:33:42,928 INFO L226 Difference]: Without dead ends: 25283 [2024-11-13 14:33:42,938 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-13 14:33:42,938 INFO L432 NwaCegarLoop]: 1032 mSDtfsCounter, 803 mSDsluCounter, 4107 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 803 SdHoareTripleChecker+Valid, 5139 SdHoareTripleChecker+Invalid, 248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 14:33:42,938 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [803 Valid, 5139 Invalid, 248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 14:33:42,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25283 states. [2024-11-13 14:33:43,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25283 to 25283. [2024-11-13 14:33:43,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25283 states, 25125 states have (on average 1.429412935323383) internal successors, (35914), 25125 states have internal predecessors, (35914), 156 states have call successors, (156), 1 states have call predecessors, (156), 1 states have return successors, (156), 156 states have call predecessors, (156), 156 states have call successors, (156) [2024-11-13 14:33:43,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25283 states to 25283 states and 36226 transitions. [2024-11-13 14:33:43,354 INFO L78 Accepts]: Start accepts. Automaton has 25283 states and 36226 transitions. Word has length 727 [2024-11-13 14:33:43,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:33:43,354 INFO L471 AbstractCegarLoop]: Abstraction has 25283 states and 36226 transitions. [2024-11-13 14:33:43,354 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 87.14285714285714) internal successors, (610), 7 states have internal predecessors, (610), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 14:33:43,354 INFO L276 IsEmpty]: Start isEmpty. Operand 25283 states and 36226 transitions. [2024-11-13 14:33:43,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 729 [2024-11-13 14:33:43,375 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:33:43,375 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:33:43,375 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2024-11-13 14:33:43,375 INFO L396 AbstractCegarLoop]: === Iteration 79 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:33:43,375 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:33:43,376 INFO L85 PathProgramCache]: Analyzing trace with hash 1352090778, now seen corresponding path program 1 times [2024-11-13 14:33:43,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:33:43,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806794168] [2024-11-13 14:33:43,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:33:43,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:33:47,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:49,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-13 14:33:49,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:49,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 14:33:49,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:49,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-13 14:33:49,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:49,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-13 14:33:49,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:49,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-13 14:33:49,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:49,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 523 [2024-11-13 14:33:49,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:49,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 537 [2024-11-13 14:33:49,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:49,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2024-11-13 14:33:49,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:49,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 591 [2024-11-13 14:33:49,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:49,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 603 [2024-11-13 14:33:49,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:49,183 INFO L134 CoverageAnalysis]: Checked inductivity of 699 backedges. 191 proven. 0 refuted. 0 times theorem prover too weak. 508 trivial. 0 not checked. [2024-11-13 14:33:49,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:33:49,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806794168] [2024-11-13 14:33:49,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806794168] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:33:49,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:33:49,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 14:33:49,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523261230] [2024-11-13 14:33:49,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:33:49,184 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 14:33:49,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:33:49,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 14:33:49,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-13 14:33:49,185 INFO L87 Difference]: Start difference. First operand 25283 states and 36226 transitions. Second operand has 7 states, 7 states have (on average 87.28571428571429) internal successors, (611), 7 states have internal predecessors, (611), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 14:33:49,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:33:49,681 INFO L93 Difference]: Finished difference Result 33503 states and 48016 transitions. [2024-11-13 14:33:49,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 14:33:49,682 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 87.28571428571429) internal successors, (611), 7 states have internal predecessors, (611), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 728 [2024-11-13 14:33:49,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:33:49,703 INFO L225 Difference]: With dead ends: 33503 [2024-11-13 14:33:49,703 INFO L226 Difference]: Without dead ends: 25299 [2024-11-13 14:33:49,714 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-13 14:33:49,714 INFO L432 NwaCegarLoop]: 1032 mSDtfsCounter, 804 mSDsluCounter, 4107 mSDsCounter, 0 mSdLazyCounter, 249 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 804 SdHoareTripleChecker+Valid, 5139 SdHoareTripleChecker+Invalid, 249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 249 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 14:33:49,714 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [804 Valid, 5139 Invalid, 249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 249 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 14:33:49,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25299 states. [2024-11-13 14:33:50,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25299 to 25291. [2024-11-13 14:33:50,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25291 states, 25133 states have (on average 1.4292762503481478) internal successors, (35922), 25133 states have internal predecessors, (35922), 156 states have call successors, (156), 1 states have call predecessors, (156), 1 states have return successors, (156), 156 states have call predecessors, (156), 156 states have call successors, (156) [2024-11-13 14:33:50,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25291 states to 25291 states and 36234 transitions. [2024-11-13 14:33:50,197 INFO L78 Accepts]: Start accepts. Automaton has 25291 states and 36234 transitions. Word has length 728 [2024-11-13 14:33:50,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:33:50,198 INFO L471 AbstractCegarLoop]: Abstraction has 25291 states and 36234 transitions. [2024-11-13 14:33:50,198 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 87.28571428571429) internal successors, (611), 7 states have internal predecessors, (611), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 14:33:50,198 INFO L276 IsEmpty]: Start isEmpty. Operand 25291 states and 36234 transitions. [2024-11-13 14:33:50,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 729 [2024-11-13 14:33:50,220 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:33:50,221 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:33:50,221 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2024-11-13 14:33:50,221 INFO L396 AbstractCegarLoop]: === Iteration 80 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:33:50,221 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:33:50,221 INFO L85 PathProgramCache]: Analyzing trace with hash 1761340218, now seen corresponding path program 1 times [2024-11-13 14:33:50,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:33:50,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238867701] [2024-11-13 14:33:50,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:33:50,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:33:50,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:51,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-13 14:33:51,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:51,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 14:33:51,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:51,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-13 14:33:51,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:51,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-13 14:33:51,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:51,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-13 14:33:51,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:51,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 523 [2024-11-13 14:33:51,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:51,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 537 [2024-11-13 14:33:51,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:51,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2024-11-13 14:33:51,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:51,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 591 [2024-11-13 14:33:51,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:51,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 603 [2024-11-13 14:33:51,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:51,431 INFO L134 CoverageAnalysis]: Checked inductivity of 699 backedges. 191 proven. 0 refuted. 0 times theorem prover too weak. 508 trivial. 0 not checked. [2024-11-13 14:33:51,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:33:51,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238867701] [2024-11-13 14:33:51,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [238867701] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:33:51,431 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:33:51,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 14:33:51,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422236980] [2024-11-13 14:33:51,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:33:51,432 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 14:33:51,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:33:51,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 14:33:51,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 14:33:51,434 INFO L87 Difference]: Start difference. First operand 25291 states and 36234 transitions. Second operand has 5 states, 5 states have (on average 122.2) internal successors, (611), 5 states have internal predecessors, (611), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 14:33:51,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:33:51,694 INFO L93 Difference]: Finished difference Result 34033 states and 48738 transitions. [2024-11-13 14:33:51,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 14:33:51,695 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 122.2) internal successors, (611), 5 states have internal predecessors, (611), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 728 [2024-11-13 14:33:51,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:33:51,714 INFO L225 Difference]: With dead ends: 34033 [2024-11-13 14:33:51,714 INFO L226 Difference]: Without dead ends: 25789 [2024-11-13 14:33:51,724 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-13 14:33:51,724 INFO L432 NwaCegarLoop]: 1065 mSDtfsCounter, 604 mSDsluCounter, 3184 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 604 SdHoareTripleChecker+Valid, 4249 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:33:51,724 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [604 Valid, 4249 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:33:51,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25789 states. [2024-11-13 14:33:52,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25789 to 25259. [2024-11-13 14:33:52,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25259 states, 25101 states have (on average 1.4291860882036573) internal successors, (35874), 25101 states have internal predecessors, (35874), 156 states have call successors, (156), 1 states have call predecessors, (156), 1 states have return successors, (156), 156 states have call predecessors, (156), 156 states have call successors, (156) [2024-11-13 14:33:52,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25259 states to 25259 states and 36186 transitions. [2024-11-13 14:33:52,466 INFO L78 Accepts]: Start accepts. Automaton has 25259 states and 36186 transitions. Word has length 728 [2024-11-13 14:33:52,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:33:52,466 INFO L471 AbstractCegarLoop]: Abstraction has 25259 states and 36186 transitions. [2024-11-13 14:33:52,467 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 122.2) internal successors, (611), 5 states have internal predecessors, (611), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 14:33:52,467 INFO L276 IsEmpty]: Start isEmpty. Operand 25259 states and 36186 transitions. [2024-11-13 14:33:52,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 730 [2024-11-13 14:33:52,499 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:33:52,500 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:33:52,500 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2024-11-13 14:33:52,500 INFO L396 AbstractCegarLoop]: === Iteration 81 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:33:52,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:33:52,500 INFO L85 PathProgramCache]: Analyzing trace with hash -527795504, now seen corresponding path program 1 times [2024-11-13 14:33:52,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:33:52,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722026247] [2024-11-13 14:33:52,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:33:52,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:33:58,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:01,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-13 14:34:01,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:01,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 14:34:01,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:01,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-13 14:34:01,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:01,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-13 14:34:01,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:01,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-13 14:34:01,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:01,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 524 [2024-11-13 14:34:01,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:01,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2024-11-13 14:34:01,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:01,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 566 [2024-11-13 14:34:01,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:01,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2024-11-13 14:34:01,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:01,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 604 [2024-11-13 14:34:01,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:01,501 INFO L134 CoverageAnalysis]: Checked inductivity of 699 backedges. 191 proven. 0 refuted. 0 times theorem prover too weak. 508 trivial. 0 not checked. [2024-11-13 14:34:01,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:34:01,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722026247] [2024-11-13 14:34:01,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722026247] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:34:01,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:34:01,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 14:34:01,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639403973] [2024-11-13 14:34:01,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:34:01,502 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 14:34:01,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:34:01,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 14:34:01,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-13 14:34:01,503 INFO L87 Difference]: Start difference. First operand 25259 states and 36186 transitions. Second operand has 8 states, 8 states have (on average 76.5) internal successors, (612), 8 states have internal predecessors, (612), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-13 14:34:03,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:34:03,056 INFO L93 Difference]: Finished difference Result 34073 states and 48798 transitions. [2024-11-13 14:34:03,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 14:34:03,057 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 76.5) internal successors, (612), 8 states have internal predecessors, (612), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 729 [2024-11-13 14:34:03,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:34:03,087 INFO L225 Difference]: With dead ends: 34073 [2024-11-13 14:34:03,087 INFO L226 Difference]: Without dead ends: 25259 [2024-11-13 14:34:03,101 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-13 14:34:03,102 INFO L432 NwaCegarLoop]: 757 mSDtfsCounter, 1691 mSDsluCounter, 3010 mSDsCounter, 0 mSdLazyCounter, 1608 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1695 SdHoareTripleChecker+Valid, 3767 SdHoareTripleChecker+Invalid, 1611 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1608 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-13 14:34:03,102 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1695 Valid, 3767 Invalid, 1611 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1608 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-13 14:34:03,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25259 states. [2024-11-13 14:34:03,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25259 to 25259. [2024-11-13 14:34:03,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25259 states, 25101 states have (on average 1.4287080196008126) internal successors, (35862), 25101 states have internal predecessors, (35862), 156 states have call successors, (156), 1 states have call predecessors, (156), 1 states have return successors, (156), 156 states have call predecessors, (156), 156 states have call successors, (156) [2024-11-13 14:34:03,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25259 states to 25259 states and 36174 transitions. [2024-11-13 14:34:03,520 INFO L78 Accepts]: Start accepts. Automaton has 25259 states and 36174 transitions. Word has length 729 [2024-11-13 14:34:03,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:34:03,521 INFO L471 AbstractCegarLoop]: Abstraction has 25259 states and 36174 transitions. [2024-11-13 14:34:03,521 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 76.5) internal successors, (612), 8 states have internal predecessors, (612), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-13 14:34:03,521 INFO L276 IsEmpty]: Start isEmpty. Operand 25259 states and 36174 transitions. [2024-11-13 14:34:03,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 731 [2024-11-13 14:34:03,546 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:34:03,547 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:34:03,547 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2024-11-13 14:34:03,547 INFO L396 AbstractCegarLoop]: === Iteration 82 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:34:03,547 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:34:03,547 INFO L85 PathProgramCache]: Analyzing trace with hash 398987037, now seen corresponding path program 1 times [2024-11-13 14:34:03,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:34:03,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115857065] [2024-11-13 14:34:03,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:34:03,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:34:08,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:10,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-13 14:34:10,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:10,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 14:34:10,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:10,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-13 14:34:10,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:10,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-13 14:34:10,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:10,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-13 14:34:10,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:10,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 525 [2024-11-13 14:34:10,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:10,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 539 [2024-11-13 14:34:10,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:10,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 567 [2024-11-13 14:34:10,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:10,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 593 [2024-11-13 14:34:10,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:10,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 605 [2024-11-13 14:34:10,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:10,634 INFO L134 CoverageAnalysis]: Checked inductivity of 699 backedges. 191 proven. 0 refuted. 0 times theorem prover too weak. 508 trivial. 0 not checked. [2024-11-13 14:34:10,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:34:10,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115857065] [2024-11-13 14:34:10,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115857065] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:34:10,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:34:10,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 14:34:10,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572307548] [2024-11-13 14:34:10,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:34:10,636 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 14:34:10,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:34:10,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 14:34:10,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-13 14:34:10,637 INFO L87 Difference]: Start difference. First operand 25259 states and 36174 transitions. Second operand has 8 states, 8 states have (on average 76.625) internal successors, (613), 8 states have internal predecessors, (613), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-13 14:34:12,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:34:12,084 INFO L93 Difference]: Finished difference Result 33989 states and 48654 transitions. [2024-11-13 14:34:12,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 14:34:12,084 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 76.625) internal successors, (613), 8 states have internal predecessors, (613), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 730 [2024-11-13 14:34:12,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:34:12,106 INFO L225 Difference]: With dead ends: 33989 [2024-11-13 14:34:12,106 INFO L226 Difference]: Without dead ends: 25319 [2024-11-13 14:34:12,115 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-13 14:34:12,115 INFO L432 NwaCegarLoop]: 787 mSDtfsCounter, 1681 mSDsluCounter, 3118 mSDsCounter, 0 mSdLazyCounter, 1467 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1685 SdHoareTripleChecker+Valid, 3905 SdHoareTripleChecker+Invalid, 1469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1467 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:34:12,116 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1685 Valid, 3905 Invalid, 1469 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1467 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-13 14:34:12,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25319 states. [2024-11-13 14:34:12,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25319 to 25319. [2024-11-13 14:34:12,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25319 states, 25161 states have (on average 1.4276857040658162) internal successors, (35922), 25161 states have internal predecessors, (35922), 156 states have call successors, (156), 1 states have call predecessors, (156), 1 states have return successors, (156), 156 states have call predecessors, (156), 156 states have call successors, (156) [2024-11-13 14:34:12,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25319 states to 25319 states and 36234 transitions. [2024-11-13 14:34:12,650 INFO L78 Accepts]: Start accepts. Automaton has 25319 states and 36234 transitions. Word has length 730 [2024-11-13 14:34:12,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:34:12,651 INFO L471 AbstractCegarLoop]: Abstraction has 25319 states and 36234 transitions. [2024-11-13 14:34:12,651 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 76.625) internal successors, (613), 8 states have internal predecessors, (613), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-13 14:34:12,651 INFO L276 IsEmpty]: Start isEmpty. Operand 25319 states and 36234 transitions. [2024-11-13 14:34:12,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 732 [2024-11-13 14:34:12,682 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:34:12,682 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:34:12,682 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2024-11-13 14:34:12,682 INFO L396 AbstractCegarLoop]: === Iteration 83 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:34:12,683 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:34:12,683 INFO L85 PathProgramCache]: Analyzing trace with hash -1601027328, now seen corresponding path program 1 times [2024-11-13 14:34:12,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:34:12,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327046999] [2024-11-13 14:34:12,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:34:12,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:34:19,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:21,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-13 14:34:21,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:21,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 14:34:21,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:21,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-13 14:34:21,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:21,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-13 14:34:21,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:21,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-13 14:34:21,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:21,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 526 [2024-11-13 14:34:21,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:21,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 540 [2024-11-13 14:34:21,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:21,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 568 [2024-11-13 14:34:21,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:21,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 594 [2024-11-13 14:34:21,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:21,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 606 [2024-11-13 14:34:21,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:21,028 INFO L134 CoverageAnalysis]: Checked inductivity of 699 backedges. 12 proven. 27 refuted. 0 times theorem prover too weak. 660 trivial. 0 not checked. [2024-11-13 14:34:21,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:34:21,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327046999] [2024-11-13 14:34:21,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [327046999] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:34:21,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1079638104] [2024-11-13 14:34:21,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:34:21,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:34:21,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:34:21,031 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:34:21,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2024-11-13 14:34:28,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:28,537 INFO L255 TraceCheckSpWp]: Trace formula consists of 3714 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 14:34:28,543 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:34:28,581 INFO L134 CoverageAnalysis]: Checked inductivity of 699 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 526 trivial. 0 not checked. [2024-11-13 14:34:28,582 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 14:34:28,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1079638104] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:34:28,582 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 14:34:28,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 8 [2024-11-13 14:34:28,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642591842] [2024-11-13 14:34:28,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:34:28,583 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 14:34:28,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:34:28,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 14:34:28,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-13 14:34:28,584 INFO L87 Difference]: Start difference. First operand 25319 states and 36234 transitions. Second operand has 6 states, 5 states have (on average 100.4) internal successors, (502), 6 states have internal predecessors, (502), 3 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-13 14:34:29,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:34:29,017 INFO L93 Difference]: Finished difference Result 47735 states and 68346 transitions. [2024-11-13 14:34:29,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 14:34:29,017 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 100.4) internal successors, (502), 6 states have internal predecessors, (502), 3 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) Word has length 731 [2024-11-13 14:34:29,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:34:29,039 INFO L225 Difference]: With dead ends: 47735 [2024-11-13 14:34:29,039 INFO L226 Difference]: Without dead ends: 25319 [2024-11-13 14:34:29,055 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 755 GetRequests, 749 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-13 14:34:29,055 INFO L432 NwaCegarLoop]: 1068 mSDtfsCounter, 0 mSDsluCounter, 4253 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5321 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:34:29,055 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5321 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:34:29,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25319 states. [2024-11-13 14:34:29,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25319 to 25223. [2024-11-13 14:34:29,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25223 states, 25065 states have (on average 1.427408737283064) internal successors, (35778), 25065 states have internal predecessors, (35778), 156 states have call successors, (156), 1 states have call predecessors, (156), 1 states have return successors, (156), 156 states have call predecessors, (156), 156 states have call successors, (156) [2024-11-13 14:34:29,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25223 states to 25223 states and 36090 transitions. [2024-11-13 14:34:29,431 INFO L78 Accepts]: Start accepts. Automaton has 25223 states and 36090 transitions. Word has length 731 [2024-11-13 14:34:29,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:34:29,432 INFO L471 AbstractCegarLoop]: Abstraction has 25223 states and 36090 transitions. [2024-11-13 14:34:29,432 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 100.4) internal successors, (502), 6 states have internal predecessors, (502), 3 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-13 14:34:29,432 INFO L276 IsEmpty]: Start isEmpty. Operand 25223 states and 36090 transitions. [2024-11-13 14:34:29,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 734 [2024-11-13 14:34:29,465 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:34:29,465 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:34:29,517 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Ended with exit code 0 [2024-11-13 14:34:29,665 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82,40 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:34:29,666 INFO L396 AbstractCegarLoop]: === Iteration 84 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:34:29,666 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:34:29,666 INFO L85 PathProgramCache]: Analyzing trace with hash 108143814, now seen corresponding path program 1 times [2024-11-13 14:34:29,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:34:29,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271597227] [2024-11-13 14:34:29,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:34:29,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:34:32,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:33,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-13 14:34:33,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:33,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 14:34:33,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:33,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-13 14:34:33,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:33,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-13 14:34:33,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:33,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-13 14:34:33,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:33,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2024-11-13 14:34:33,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:33,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 541 [2024-11-13 14:34:33,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:33,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 569 [2024-11-13 14:34:33,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:33,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 596 [2024-11-13 14:34:33,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:33,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2024-11-13 14:34:33,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:33,586 INFO L134 CoverageAnalysis]: Checked inductivity of 698 backedges. 125 proven. 4 refuted. 0 times theorem prover too weak. 569 trivial. 0 not checked. [2024-11-13 14:34:33,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:34:33,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271597227] [2024-11-13 14:34:33,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [271597227] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:34:33,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1149605139] [2024-11-13 14:34:33,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:34:33,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:34:33,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:34:33,589 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:34:33,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2024-11-13 14:34:38,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:38,281 INFO L255 TraceCheckSpWp]: Trace formula consists of 3722 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-11-13 14:34:38,290 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:34:40,179 INFO L134 CoverageAnalysis]: Checked inductivity of 698 backedges. 193 proven. 0 refuted. 0 times theorem prover too weak. 505 trivial. 0 not checked. [2024-11-13 14:34:40,179 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 14:34:40,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1149605139] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:34:40,179 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 14:34:40,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [6] total 11 [2024-11-13 14:34:40,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926341282] [2024-11-13 14:34:40,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:34:40,180 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 14:34:40,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:34:40,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 14:34:40,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-13 14:34:40,181 INFO L87 Difference]: Start difference. First operand 25223 states and 36090 transitions. Second operand has 8 states, 8 states have (on average 70.5) internal successors, (564), 8 states have internal predecessors, (564), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-13 14:34:41,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:34:41,461 INFO L93 Difference]: Finished difference Result 47783 states and 68370 transitions. [2024-11-13 14:34:41,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 14:34:41,461 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 70.5) internal successors, (564), 8 states have internal predecessors, (564), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 733 [2024-11-13 14:34:41,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:34:41,483 INFO L225 Difference]: With dead ends: 47783 [2024-11-13 14:34:41,483 INFO L226 Difference]: Without dead ends: 25415 [2024-11-13 14:34:41,498 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 761 GetRequests, 752 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-13 14:34:41,499 INFO L432 NwaCegarLoop]: 778 mSDtfsCounter, 640 mSDsluCounter, 3866 mSDsCounter, 0 mSdLazyCounter, 1801 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 640 SdHoareTripleChecker+Valid, 4644 SdHoareTripleChecker+Invalid, 1801 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1801 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:34:41,499 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [640 Valid, 4644 Invalid, 1801 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1801 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-13 14:34:41,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25415 states. [2024-11-13 14:34:41,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25415 to 25367. [2024-11-13 14:34:41,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25367 states, 25209 states have (on average 1.4249672735927645) internal successors, (35922), 25209 states have internal predecessors, (35922), 156 states have call successors, (156), 1 states have call predecessors, (156), 1 states have return successors, (156), 156 states have call predecessors, (156), 156 states have call successors, (156) [2024-11-13 14:34:41,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25367 states to 25367 states and 36234 transitions. [2024-11-13 14:34:41,862 INFO L78 Accepts]: Start accepts. Automaton has 25367 states and 36234 transitions. Word has length 733 [2024-11-13 14:34:41,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:34:41,862 INFO L471 AbstractCegarLoop]: Abstraction has 25367 states and 36234 transitions. [2024-11-13 14:34:41,862 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 70.5) internal successors, (564), 8 states have internal predecessors, (564), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-13 14:34:41,862 INFO L276 IsEmpty]: Start isEmpty. Operand 25367 states and 36234 transitions. [2024-11-13 14:34:41,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 734 [2024-11-13 14:34:41,886 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:34:41,886 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:34:41,922 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Ended with exit code 0 [2024-11-13 14:34:42,086 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable83 [2024-11-13 14:34:42,087 INFO L396 AbstractCegarLoop]: === Iteration 85 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:34:42,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:34:42,087 INFO L85 PathProgramCache]: Analyzing trace with hash 1689491146, now seen corresponding path program 1 times [2024-11-13 14:34:42,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:34:42,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450492153] [2024-11-13 14:34:42,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:34:42,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:34:47,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:48,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-13 14:34:48,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:48,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 14:34:48,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:48,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-13 14:34:48,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:48,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-13 14:34:48,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:48,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-13 14:34:48,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:48,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2024-11-13 14:34:48,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:48,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 541 [2024-11-13 14:34:48,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:48,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 569 [2024-11-13 14:34:48,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:48,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 596 [2024-11-13 14:34:48,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:48,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2024-11-13 14:34:48,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:48,329 INFO L134 CoverageAnalysis]: Checked inductivity of 700 backedges. 12 proven. 27 refuted. 0 times theorem prover too weak. 661 trivial. 0 not checked. [2024-11-13 14:34:48,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:34:48,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450492153] [2024-11-13 14:34:48,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [450492153] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:34:48,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1282779065] [2024-11-13 14:34:48,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:34:48,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:34:48,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:34:48,332 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:34:48,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2024-11-13 14:34:58,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:58,292 INFO L255 TraceCheckSpWp]: Trace formula consists of 3720 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 14:34:58,299 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:34:58,329 INFO L134 CoverageAnalysis]: Checked inductivity of 700 backedges. 233 proven. 0 refuted. 0 times theorem prover too weak. 467 trivial. 0 not checked. [2024-11-13 14:34:58,329 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 14:34:58,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1282779065] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:34:58,330 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 14:34:58,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 8 [2024-11-13 14:34:58,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580579012] [2024-11-13 14:34:58,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:34:58,331 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 14:34:58,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:34:58,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 14:34:58,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-13 14:34:58,332 INFO L87 Difference]: Start difference. First operand 25367 states and 36234 transitions. Second operand has 6 states, 5 states have (on average 116.2) internal successors, (581), 6 states have internal predecessors, (581), 3 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (8), 2 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-13 14:34:58,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:34:58,627 INFO L93 Difference]: Finished difference Result 49097 states and 70146 transitions. [2024-11-13 14:34:58,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 14:34:58,628 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 116.2) internal successors, (581), 6 states have internal predecessors, (581), 3 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (8), 2 states have call predecessors, (8), 3 states have call successors, (8) Word has length 733 [2024-11-13 14:34:58,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:34:58,650 INFO L225 Difference]: With dead ends: 49097 [2024-11-13 14:34:58,650 INFO L226 Difference]: Without dead ends: 25367 [2024-11-13 14:34:58,665 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 757 GetRequests, 751 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-13 14:34:58,666 INFO L432 NwaCegarLoop]: 1067 mSDtfsCounter, 0 mSDsluCounter, 4249 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5316 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:34:58,666 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5316 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:34:58,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25367 states. [2024-11-13 14:34:58,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25367 to 25367. [2024-11-13 14:34:58,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25367 states, 25209 states have (on average 1.4240152326550042) internal successors, (35898), 25209 states have internal predecessors, (35898), 156 states have call successors, (156), 1 states have call predecessors, (156), 1 states have return successors, (156), 156 states have call predecessors, (156), 156 states have call successors, (156) [2024-11-13 14:34:59,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25367 states to 25367 states and 36210 transitions. [2024-11-13 14:34:59,022 INFO L78 Accepts]: Start accepts. Automaton has 25367 states and 36210 transitions. Word has length 733 [2024-11-13 14:34:59,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:34:59,023 INFO L471 AbstractCegarLoop]: Abstraction has 25367 states and 36210 transitions. [2024-11-13 14:34:59,023 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 116.2) internal successors, (581), 6 states have internal predecessors, (581), 3 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (8), 2 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-13 14:34:59,023 INFO L276 IsEmpty]: Start isEmpty. Operand 25367 states and 36210 transitions. [2024-11-13 14:34:59,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 736 [2024-11-13 14:34:59,046 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:34:59,046 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:34:59,085 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Ended with exit code 0 [2024-11-13 14:34:59,246 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable84 [2024-11-13 14:34:59,247 INFO L396 AbstractCegarLoop]: === Iteration 86 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:34:59,247 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:34:59,247 INFO L85 PathProgramCache]: Analyzing trace with hash 368599584, now seen corresponding path program 1 times [2024-11-13 14:34:59,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:34:59,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528884460] [2024-11-13 14:34:59,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:34:59,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:35:04,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:05,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-13 14:35:05,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:05,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 14:35:05,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:05,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-13 14:35:05,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:05,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-13 14:35:05,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:05,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-13 14:35:05,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:05,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 528 [2024-11-13 14:35:05,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:05,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 542 [2024-11-13 14:35:05,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:05,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 571 [2024-11-13 14:35:05,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:05,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2024-11-13 14:35:05,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:05,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2024-11-13 14:35:05,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:05,327 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 12 proven. 27 refuted. 0 times theorem prover too weak. 662 trivial. 0 not checked. [2024-11-13 14:35:05,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:35:05,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528884460] [2024-11-13 14:35:05,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528884460] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:35:05,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1895131865] [2024-11-13 14:35:05,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:35:05,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:35:05,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:35:05,330 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:35:05,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2024-11-13 14:35:12,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:12,289 INFO L255 TraceCheckSpWp]: Trace formula consists of 3726 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 14:35:12,296 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:35:12,315 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 294 proven. 0 refuted. 0 times theorem prover too weak. 407 trivial. 0 not checked. [2024-11-13 14:35:12,315 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 14:35:12,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1895131865] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:35:12,315 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 14:35:12,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 6 [2024-11-13 14:35:12,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274376032] [2024-11-13 14:35:12,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:35:12,316 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 14:35:12,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:35:12,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 14:35:12,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-13 14:35:12,318 INFO L87 Difference]: Start difference. First operand 25367 states and 36210 transitions. Second operand has 6 states, 5 states have (on average 123.0) internal successors, (615), 6 states have internal predecessors, (615), 3 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (10), 2 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-13 14:35:12,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:35:12,608 INFO L93 Difference]: Finished difference Result 48861 states and 69816 transitions. [2024-11-13 14:35:12,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 14:35:12,608 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 123.0) internal successors, (615), 6 states have internal predecessors, (615), 3 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (10), 2 states have call predecessors, (10), 3 states have call successors, (10) Word has length 735 [2024-11-13 14:35:12,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:35:12,631 INFO L225 Difference]: With dead ends: 48861 [2024-11-13 14:35:12,631 INFO L226 Difference]: Without dead ends: 25367 [2024-11-13 14:35:12,647 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 759 GetRequests, 755 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-13 14:35:12,648 INFO L432 NwaCegarLoop]: 1068 mSDtfsCounter, 0 mSDsluCounter, 4249 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5317 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:35:12,648 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5317 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:35:12,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25367 states. [2024-11-13 14:35:12,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25367 to 25367. [2024-11-13 14:35:12,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25367 states, 25209 states have (on average 1.4236978856757507) internal successors, (35890), 25209 states have internal predecessors, (35890), 156 states have call successors, (156), 1 states have call predecessors, (156), 1 states have return successors, (156), 156 states have call predecessors, (156), 156 states have call successors, (156) [2024-11-13 14:35:13,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25367 states to 25367 states and 36202 transitions. [2024-11-13 14:35:13,025 INFO L78 Accepts]: Start accepts. Automaton has 25367 states and 36202 transitions. Word has length 735 [2024-11-13 14:35:13,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:35:13,025 INFO L471 AbstractCegarLoop]: Abstraction has 25367 states and 36202 transitions. [2024-11-13 14:35:13,025 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 123.0) internal successors, (615), 6 states have internal predecessors, (615), 3 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (10), 2 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-13 14:35:13,025 INFO L276 IsEmpty]: Start isEmpty. Operand 25367 states and 36202 transitions. [2024-11-13 14:35:13,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 738 [2024-11-13 14:35:13,049 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:35:13,049 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:35:13,089 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Ended with exit code 0 [2024-11-13 14:35:13,250 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable85 [2024-11-13 14:35:13,250 INFO L396 AbstractCegarLoop]: === Iteration 87 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:35:13,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:35:13,250 INFO L85 PathProgramCache]: Analyzing trace with hash -329324792, now seen corresponding path program 1 times [2024-11-13 14:35:13,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:35:13,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436887999] [2024-11-13 14:35:13,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:35:13,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:35:18,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:19,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-13 14:35:19,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:19,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-13 14:35:19,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:19,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-13 14:35:19,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:19,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-13 14:35:19,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:19,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-13 14:35:19,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:19,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 530 [2024-11-13 14:35:19,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:19,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 544 [2024-11-13 14:35:19,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:19,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 573 [2024-11-13 14:35:19,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:19,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 600 [2024-11-13 14:35:19,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:19,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 612 [2024-11-13 14:35:19,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:19,824 INFO L134 CoverageAnalysis]: Checked inductivity of 702 backedges. 26 proven. 24 refuted. 0 times theorem prover too weak. 652 trivial. 0 not checked. [2024-11-13 14:35:19,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:35:19,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436887999] [2024-11-13 14:35:19,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [436887999] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:35:19,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1252735449] [2024-11-13 14:35:19,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:35:19,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:35:19,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:35:19,826 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:35:19,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2024-11-13 14:35:27,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:27,579 INFO L255 TraceCheckSpWp]: Trace formula consists of 3732 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 14:35:27,586 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:35:27,603 INFO L134 CoverageAnalysis]: Checked inductivity of 702 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-13 14:35:27,603 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 14:35:27,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1252735449] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:35:27,603 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 14:35:27,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 6 [2024-11-13 14:35:27,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445158818] [2024-11-13 14:35:27,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:35:27,604 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 14:35:27,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:35:27,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 14:35:27,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-13 14:35:27,605 INFO L87 Difference]: Start difference. First operand 25367 states and 36202 transitions. Second operand has 6 states, 5 states have (on average 92.4) internal successors, (462), 6 states have internal predecessors, (462), 3 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (7), 2 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-13 14:35:27,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:35:27,917 INFO L93 Difference]: Finished difference Result 46937 states and 67196 transitions. [2024-11-13 14:35:27,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 14:35:27,918 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 92.4) internal successors, (462), 6 states have internal predecessors, (462), 3 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (7), 2 states have call predecessors, (7), 3 states have call successors, (7) Word has length 737 [2024-11-13 14:35:27,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:35:27,941 INFO L225 Difference]: With dead ends: 46937 [2024-11-13 14:35:27,942 INFO L226 Difference]: Without dead ends: 25367 [2024-11-13 14:35:27,957 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 761 GetRequests, 757 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-13 14:35:27,957 INFO L432 NwaCegarLoop]: 1067 mSDtfsCounter, 0 mSDsluCounter, 4245 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5312 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:35:27,957 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5312 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:35:27,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25367 states. [2024-11-13 14:35:28,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25367 to 25367. [2024-11-13 14:35:28,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25367 states, 25209 states have (on average 1.4232218652068707) internal successors, (35878), 25209 states have internal predecessors, (35878), 156 states have call successors, (156), 1 states have call predecessors, (156), 1 states have return successors, (156), 156 states have call predecessors, (156), 156 states have call successors, (156) [2024-11-13 14:35:28,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25367 states to 25367 states and 36190 transitions. [2024-11-13 14:35:28,364 INFO L78 Accepts]: Start accepts. Automaton has 25367 states and 36190 transitions. Word has length 737 [2024-11-13 14:35:28,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:35:28,364 INFO L471 AbstractCegarLoop]: Abstraction has 25367 states and 36190 transitions. [2024-11-13 14:35:28,364 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 92.4) internal successors, (462), 6 states have internal predecessors, (462), 3 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (7), 2 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-13 14:35:28,365 INFO L276 IsEmpty]: Start isEmpty. Operand 25367 states and 36190 transitions. [2024-11-13 14:35:28,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 739 [2024-11-13 14:35:28,388 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:35:28,389 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:35:28,430 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Ended with exit code 0 [2024-11-13 14:35:28,589 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86,44 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:35:28,589 INFO L396 AbstractCegarLoop]: === Iteration 88 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:35:28,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:35:28,590 INFO L85 PathProgramCache]: Analyzing trace with hash -1119920412, now seen corresponding path program 1 times [2024-11-13 14:35:28,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:35:28,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296936743] [2024-11-13 14:35:28,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:35:28,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:35:31,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:33,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-13 14:35:33,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:33,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-13 14:35:33,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:33,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-13 14:35:33,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:33,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-13 14:35:33,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:33,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-13 14:35:33,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:33,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 530 [2024-11-13 14:35:33,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:33,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 544 [2024-11-13 14:35:33,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:33,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 573 [2024-11-13 14:35:33,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:33,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 600 [2024-11-13 14:35:33,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:33,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 612 [2024-11-13 14:35:33,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:33,623 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 193 proven. 0 refuted. 0 times theorem prover too weak. 508 trivial. 0 not checked. [2024-11-13 14:35:33,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:35:33,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296936743] [2024-11-13 14:35:33,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [296936743] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:35:33,623 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:35:33,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-13 14:35:33,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192503071] [2024-11-13 14:35:33,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:35:33,624 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 14:35:33,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:35:33,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 14:35:33,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-13 14:35:33,625 INFO L87 Difference]: Start difference. First operand 25367 states and 36190 transitions. Second operand has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 14:35:34,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:35:34,255 INFO L93 Difference]: Finished difference Result 37017 states and 52904 transitions. [2024-11-13 14:35:34,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 14:35:34,256 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 738 [2024-11-13 14:35:34,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:35:34,281 INFO L225 Difference]: With dead ends: 37017 [2024-11-13 14:35:34,281 INFO L226 Difference]: Without dead ends: 28695 [2024-11-13 14:35:34,291 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2024-11-13 14:35:34,292 INFO L432 NwaCegarLoop]: 1392 mSDtfsCounter, 1195 mSDsluCounter, 7887 mSDsCounter, 0 mSdLazyCounter, 495 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1195 SdHoareTripleChecker+Valid, 9279 SdHoareTripleChecker+Invalid, 495 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 495 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 14:35:34,292 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1195 Valid, 9279 Invalid, 495 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 495 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 14:35:34,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28695 states. [2024-11-13 14:35:34,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28695 to 28213. [2024-11-13 14:35:34,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28213 states, 28055 states have (on average 1.4280520406344681) internal successors, (40064), 28055 states have internal predecessors, (40064), 156 states have call successors, (156), 1 states have call predecessors, (156), 1 states have return successors, (156), 156 states have call predecessors, (156), 156 states have call successors, (156) [2024-11-13 14:35:34,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28213 states to 28213 states and 40376 transitions. [2024-11-13 14:35:34,714 INFO L78 Accepts]: Start accepts. Automaton has 28213 states and 40376 transitions. Word has length 738 [2024-11-13 14:35:34,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:35:34,714 INFO L471 AbstractCegarLoop]: Abstraction has 28213 states and 40376 transitions. [2024-11-13 14:35:34,715 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 14:35:34,715 INFO L276 IsEmpty]: Start isEmpty. Operand 28213 states and 40376 transitions. [2024-11-13 14:35:34,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 739 [2024-11-13 14:35:34,749 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:35:34,750 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:35:34,750 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87 [2024-11-13 14:35:34,750 INFO L396 AbstractCegarLoop]: === Iteration 89 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:35:34,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:35:34,751 INFO L85 PathProgramCache]: Analyzing trace with hash 1301392966, now seen corresponding path program 1 times [2024-11-13 14:35:34,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:35:34,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897010382] [2024-11-13 14:35:34,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:35:34,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:35:37,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:38,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 14:35:38,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:38,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-13 14:35:38,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:38,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-13 14:35:38,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:38,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-13 14:35:38,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:38,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-13 14:35:38,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:38,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 530 [2024-11-13 14:35:38,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:38,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 544 [2024-11-13 14:35:38,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:38,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 573 [2024-11-13 14:35:38,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:38,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 600 [2024-11-13 14:35:38,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:38,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 612 [2024-11-13 14:35:38,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:38,834 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 195 proven. 0 refuted. 0 times theorem prover too weak. 508 trivial. 0 not checked. [2024-11-13 14:35:38,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:35:38,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897010382] [2024-11-13 14:35:38,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897010382] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:35:38,834 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:35:38,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 14:35:38,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544290254] [2024-11-13 14:35:38,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:35:38,835 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 14:35:38,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:35:38,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 14:35:38,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-13 14:35:38,836 INFO L87 Difference]: Start difference. First operand 28213 states and 40376 transitions. Second operand has 6 states, 6 states have (on average 103.5) internal successors, (621), 6 states have internal predecessors, (621), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 14:35:39,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:35:39,891 INFO L93 Difference]: Finished difference Result 37802 states and 54099 transitions. [2024-11-13 14:35:39,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 14:35:39,891 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 103.5) internal successors, (621), 6 states have internal predecessors, (621), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 738 [2024-11-13 14:35:39,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:35:39,916 INFO L225 Difference]: With dead ends: 37802 [2024-11-13 14:35:39,916 INFO L226 Difference]: Without dead ends: 28776 [2024-11-13 14:35:39,927 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-13 14:35:39,927 INFO L432 NwaCegarLoop]: 949 mSDtfsCounter, 871 mSDsluCounter, 2651 mSDsCounter, 0 mSdLazyCounter, 1275 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 871 SdHoareTripleChecker+Valid, 3600 SdHoareTripleChecker+Invalid, 1276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-13 14:35:39,927 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [871 Valid, 3600 Invalid, 1276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1275 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-13 14:35:39,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28776 states. [2024-11-13 14:35:40,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28776 to 28213. [2024-11-13 14:35:40,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28213 states, 28055 states have (on average 1.4280520406344681) internal successors, (40064), 28055 states have internal predecessors, (40064), 156 states have call successors, (156), 1 states have call predecessors, (156), 1 states have return successors, (156), 156 states have call predecessors, (156), 156 states have call successors, (156) [2024-11-13 14:35:40,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28213 states to 28213 states and 40376 transitions. [2024-11-13 14:35:40,348 INFO L78 Accepts]: Start accepts. Automaton has 28213 states and 40376 transitions. Word has length 738 [2024-11-13 14:35:40,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:35:40,348 INFO L471 AbstractCegarLoop]: Abstraction has 28213 states and 40376 transitions. [2024-11-13 14:35:40,348 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 103.5) internal successors, (621), 6 states have internal predecessors, (621), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 14:35:40,348 INFO L276 IsEmpty]: Start isEmpty. Operand 28213 states and 40376 transitions. [2024-11-13 14:35:40,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 740 [2024-11-13 14:35:40,373 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:35:40,373 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:35:40,374 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2024-11-13 14:35:40,374 INFO L396 AbstractCegarLoop]: === Iteration 90 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:35:40,374 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:35:40,374 INFO L85 PathProgramCache]: Analyzing trace with hash 248403034, now seen corresponding path program 1 times [2024-11-13 14:35:40,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:35:40,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948902393] [2024-11-13 14:35:40,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:35:40,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:35:44,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:46,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-13 14:35:46,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:46,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-13 14:35:46,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:46,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-13 14:35:46,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:46,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-13 14:35:46,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:46,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-13 14:35:46,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:46,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 531 [2024-11-13 14:35:46,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:46,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 545 [2024-11-13 14:35:46,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:46,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2024-11-13 14:35:46,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:46,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2024-11-13 14:35:46,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:46,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 613 [2024-11-13 14:35:46,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:46,539 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 589 trivial. 0 not checked. [2024-11-13 14:35:46,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:35:46,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948902393] [2024-11-13 14:35:46,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1948902393] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:35:46,540 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:35:46,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 14:35:46,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337984813] [2024-11-13 14:35:46,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:35:46,541 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 14:35:46,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:35:46,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 14:35:46,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 14:35:46,541 INFO L87 Difference]: Start difference. First operand 28213 states and 40376 transitions. Second operand has 4 states, 4 states have (on average 136.25) internal successors, (545), 4 states have internal predecessors, (545), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-13 14:35:46,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:35:46,772 INFO L93 Difference]: Finished difference Result 35806 states and 51153 transitions. [2024-11-13 14:35:46,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 14:35:46,773 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 136.25) internal successors, (545), 4 states have internal predecessors, (545), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 739 [2024-11-13 14:35:46,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:35:46,794 INFO L225 Difference]: With dead ends: 35806 [2024-11-13 14:35:46,794 INFO L226 Difference]: Without dead ends: 22524 [2024-11-13 14:35:46,805 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 14:35:46,805 INFO L432 NwaCegarLoop]: 1065 mSDtfsCounter, 127 mSDsluCounter, 1902 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 2967 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:35:46,805 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 2967 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:35:46,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22524 states. [2024-11-13 14:35:47,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22524 to 22524. [2024-11-13 14:35:47,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22524 states, 22366 states have (on average 1.415630868282214) internal successors, (31662), 22366 states have internal predecessors, (31662), 156 states have call successors, (156), 1 states have call predecessors, (156), 1 states have return successors, (156), 156 states have call predecessors, (156), 156 states have call successors, (156) [2024-11-13 14:35:47,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22524 states to 22524 states and 31974 transitions. [2024-11-13 14:35:47,144 INFO L78 Accepts]: Start accepts. Automaton has 22524 states and 31974 transitions. Word has length 739 [2024-11-13 14:35:47,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:35:47,145 INFO L471 AbstractCegarLoop]: Abstraction has 22524 states and 31974 transitions. [2024-11-13 14:35:47,145 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 136.25) internal successors, (545), 4 states have internal predecessors, (545), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-13 14:35:47,145 INFO L276 IsEmpty]: Start isEmpty. Operand 22524 states and 31974 transitions. [2024-11-13 14:35:47,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 740 [2024-11-13 14:35:47,165 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:35:47,165 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:35:47,166 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2024-11-13 14:35:47,166 INFO L396 AbstractCegarLoop]: === Iteration 91 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:35:47,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:35:47,166 INFO L85 PathProgramCache]: Analyzing trace with hash -804637736, now seen corresponding path program 1 times [2024-11-13 14:35:47,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:35:47,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837287886] [2024-11-13 14:35:47,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:35:47,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:35:51,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:54,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-13 14:35:54,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:54,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-13 14:35:54,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:54,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-13 14:35:54,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:54,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-13 14:35:54,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:54,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-13 14:35:54,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:54,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 531 [2024-11-13 14:35:54,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:54,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 546 [2024-11-13 14:35:54,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:54,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2024-11-13 14:35:54,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:54,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2024-11-13 14:35:54,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:54,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 614 [2024-11-13 14:35:54,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:54,640 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 589 trivial. 0 not checked. [2024-11-13 14:35:54,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:35:54,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837287886] [2024-11-13 14:35:54,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837287886] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:35:54,641 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:35:54,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 14:35:54,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35335209] [2024-11-13 14:35:54,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:35:54,642 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 14:35:54,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:35:54,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 14:35:54,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-13 14:35:54,643 INFO L87 Difference]: Start difference. First operand 22524 states and 31974 transitions. Second operand has 6 states, 6 states have (on average 90.83333333333333) internal successors, (545), 6 states have internal predecessors, (545), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-13 14:35:54,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:35:54,951 INFO L93 Difference]: Finished difference Result 38845 states and 55033 transitions. [2024-11-13 14:35:54,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 14:35:54,952 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 90.83333333333333) internal successors, (545), 6 states have internal predecessors, (545), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 739 [2024-11-13 14:35:54,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:35:54,973 INFO L225 Difference]: With dead ends: 38845 [2024-11-13 14:35:54,973 INFO L226 Difference]: Without dead ends: 24136 [2024-11-13 14:35:54,986 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-13 14:35:54,986 INFO L432 NwaCegarLoop]: 1062 mSDtfsCounter, 131 mSDsluCounter, 4233 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 5295 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:35:54,986 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 5295 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:35:54,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24136 states. [2024-11-13 14:35:55,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24136 to 24136. [2024-11-13 14:35:55,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24136 states, 23974 states have (on average 1.4102778009510304) internal successors, (33810), 23974 states have internal predecessors, (33810), 160 states have call successors, (160), 1 states have call predecessors, (160), 1 states have return successors, (160), 160 states have call predecessors, (160), 160 states have call successors, (160) [2024-11-13 14:35:55,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24136 states to 24136 states and 34130 transitions. [2024-11-13 14:35:55,330 INFO L78 Accepts]: Start accepts. Automaton has 24136 states and 34130 transitions. Word has length 739 [2024-11-13 14:35:55,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:35:55,331 INFO L471 AbstractCegarLoop]: Abstraction has 24136 states and 34130 transitions. [2024-11-13 14:35:55,331 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 90.83333333333333) internal successors, (545), 6 states have internal predecessors, (545), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-13 14:35:55,331 INFO L276 IsEmpty]: Start isEmpty. Operand 24136 states and 34130 transitions. [2024-11-13 14:35:55,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 740 [2024-11-13 14:35:55,351 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:35:55,351 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:35:55,351 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90 [2024-11-13 14:35:55,351 INFO L396 AbstractCegarLoop]: === Iteration 92 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:35:55,352 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:35:55,352 INFO L85 PathProgramCache]: Analyzing trace with hash -805744064, now seen corresponding path program 1 times [2024-11-13 14:35:55,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:35:55,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453609398] [2024-11-13 14:35:55,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:35:55,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:36:01,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:05,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-13 14:36:05,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:05,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-13 14:36:05,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:05,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-13 14:36:05,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:05,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-13 14:36:05,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:05,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-13 14:36:05,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:05,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 531 [2024-11-13 14:36:05,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:05,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 546 [2024-11-13 14:36:05,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:05,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2024-11-13 14:36:05,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:05,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2024-11-13 14:36:05,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:05,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 614 [2024-11-13 14:36:05,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:05,725 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-13 14:36:05,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:36:05,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453609398] [2024-11-13 14:36:05,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [453609398] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:36:05,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:36:05,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-13 14:36:05,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66224561] [2024-11-13 14:36:05,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:36:05,726 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-13 14:36:05,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:36:05,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-13 14:36:05,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-13 14:36:05,727 INFO L87 Difference]: Start difference. First operand 24136 states and 34130 transitions. Second operand has 11 states, 11 states have (on average 41.36363636363637) internal successors, (455), 11 states have internal predecessors, (455), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-13 14:36:08,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:36:08,063 INFO L93 Difference]: Finished difference Result 76076 states and 107782 transitions. [2024-11-13 14:36:08,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 14:36:08,064 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 41.36363636363637) internal successors, (455), 11 states have internal predecessors, (455), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 739 [2024-11-13 14:36:08,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:36:08,116 INFO L225 Difference]: With dead ends: 76076 [2024-11-13 14:36:08,116 INFO L226 Difference]: Without dead ends: 55062 [2024-11-13 14:36:08,138 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2024-11-13 14:36:08,138 INFO L432 NwaCegarLoop]: 776 mSDtfsCounter, 2490 mSDsluCounter, 6431 mSDsCounter, 0 mSdLazyCounter, 2760 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2504 SdHoareTripleChecker+Valid, 7207 SdHoareTripleChecker+Invalid, 2763 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 2760 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-13 14:36:08,138 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2504 Valid, 7207 Invalid, 2763 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 2760 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-13 14:36:08,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55062 states. [2024-11-13 14:36:08,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55062 to 24653. [2024-11-13 14:36:08,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24653 states, 24479 states have (on average 1.409493851873034) internal successors, (34503), 24479 states have internal predecessors, (34503), 172 states have call successors, (172), 1 states have call predecessors, (172), 1 states have return successors, (172), 172 states have call predecessors, (172), 172 states have call successors, (172) [2024-11-13 14:36:08,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24653 states to 24653 states and 34847 transitions. [2024-11-13 14:36:08,714 INFO L78 Accepts]: Start accepts. Automaton has 24653 states and 34847 transitions. Word has length 739 [2024-11-13 14:36:08,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:36:08,714 INFO L471 AbstractCegarLoop]: Abstraction has 24653 states and 34847 transitions. [2024-11-13 14:36:08,714 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 41.36363636363637) internal successors, (455), 11 states have internal predecessors, (455), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-13 14:36:08,714 INFO L276 IsEmpty]: Start isEmpty. Operand 24653 states and 34847 transitions. [2024-11-13 14:36:08,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 741 [2024-11-13 14:36:08,735 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:36:08,735 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:36:08,735 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2024-11-13 14:36:08,735 INFO L396 AbstractCegarLoop]: === Iteration 93 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:36:08,736 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:36:08,736 INFO L85 PathProgramCache]: Analyzing trace with hash 1958903183, now seen corresponding path program 1 times [2024-11-13 14:36:08,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:36:08,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619195749] [2024-11-13 14:36:08,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:36:08,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:36:15,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:18,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-13 14:36:18,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:18,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-13 14:36:18,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:18,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-13 14:36:18,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:18,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-13 14:36:18,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:18,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-13 14:36:18,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:18,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 532 [2024-11-13 14:36:18,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:18,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2024-11-13 14:36:18,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:18,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 576 [2024-11-13 14:36:18,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:18,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 603 [2024-11-13 14:36:18,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:18,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 615 [2024-11-13 14:36:18,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:18,691 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 613 trivial. 0 not checked. [2024-11-13 14:36:18,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:36:18,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619195749] [2024-11-13 14:36:18,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [619195749] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:36:18,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:36:18,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-13 14:36:18,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073146821] [2024-11-13 14:36:18,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:36:18,692 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 14:36:18,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:36:18,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 14:36:18,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-13 14:36:18,693 INFO L87 Difference]: Start difference. First operand 24653 states and 34847 transitions. Second operand has 9 states, 9 states have (on average 58.0) internal successors, (522), 9 states have internal predecessors, (522), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 14:36:19,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:36:19,503 INFO L93 Difference]: Finished difference Result 70735 states and 99870 transitions. [2024-11-13 14:36:19,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 14:36:19,503 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 58.0) internal successors, (522), 9 states have internal predecessors, (522), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 740 [2024-11-13 14:36:19,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:36:19,580 INFO L225 Difference]: With dead ends: 70735 [2024-11-13 14:36:19,580 INFO L226 Difference]: Without dead ends: 60561 [2024-11-13 14:36:19,601 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-11-13 14:36:19,602 INFO L432 NwaCegarLoop]: 1072 mSDtfsCounter, 2822 mSDsluCounter, 7273 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2832 SdHoareTripleChecker+Valid, 8345 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:36:19,602 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2832 Valid, 8345 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:36:19,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60561 states. [2024-11-13 14:36:20,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60561 to 25808. [2024-11-13 14:36:20,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25808 states, 25610 states have (on average 1.4089808668488872) internal successors, (36084), 25610 states have internal predecessors, (36084), 196 states have call successors, (196), 1 states have call predecessors, (196), 1 states have return successors, (196), 196 states have call predecessors, (196), 196 states have call successors, (196) [2024-11-13 14:36:20,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25808 states to 25808 states and 36476 transitions. [2024-11-13 14:36:20,437 INFO L78 Accepts]: Start accepts. Automaton has 25808 states and 36476 transitions. Word has length 740 [2024-11-13 14:36:20,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:36:20,438 INFO L471 AbstractCegarLoop]: Abstraction has 25808 states and 36476 transitions. [2024-11-13 14:36:20,438 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 58.0) internal successors, (522), 9 states have internal predecessors, (522), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 14:36:20,438 INFO L276 IsEmpty]: Start isEmpty. Operand 25808 states and 36476 transitions. [2024-11-13 14:36:20,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 741 [2024-11-13 14:36:20,461 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:36:20,461 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:36:20,461 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92 [2024-11-13 14:36:20,462 INFO L396 AbstractCegarLoop]: === Iteration 94 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:36:20,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:36:20,462 INFO L85 PathProgramCache]: Analyzing trace with hash -1113053427, now seen corresponding path program 1 times [2024-11-13 14:36:20,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:36:20,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701861752] [2024-11-13 14:36:20,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:36:20,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:36:24,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:26,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-13 14:36:26,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:26,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-13 14:36:26,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:26,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-13 14:36:26,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:26,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-13 14:36:26,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:26,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-13 14:36:26,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:26,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 532 [2024-11-13 14:36:26,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:26,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2024-11-13 14:36:26,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:26,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 576 [2024-11-13 14:36:26,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:26,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 603 [2024-11-13 14:36:26,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:26,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 615 [2024-11-13 14:36:26,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:26,735 INFO L134 CoverageAnalysis]: Checked inductivity of 699 backedges. 191 proven. 0 refuted. 0 times theorem prover too weak. 508 trivial. 0 not checked. [2024-11-13 14:36:26,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:36:26,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701861752] [2024-11-13 14:36:26,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1701861752] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:36:26,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:36:26,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 14:36:26,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748029586] [2024-11-13 14:36:26,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:36:26,736 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 14:36:26,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:36:26,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 14:36:26,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-13 14:36:26,738 INFO L87 Difference]: Start difference. First operand 25808 states and 36476 transitions. Second operand has 8 states, 8 states have (on average 77.875) internal successors, (623), 8 states have internal predecessors, (623), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-13 14:36:27,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:36:27,071 INFO L93 Difference]: Finished difference Result 33304 states and 47104 transitions. [2024-11-13 14:36:27,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 14:36:27,072 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 77.875) internal successors, (623), 8 states have internal predecessors, (623), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 740 [2024-11-13 14:36:27,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:36:27,095 INFO L225 Difference]: With dead ends: 33304 [2024-11-13 14:36:27,095 INFO L226 Difference]: Without dead ends: 25808 [2024-11-13 14:36:27,105 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-13 14:36:27,105 INFO L432 NwaCegarLoop]: 1055 mSDtfsCounter, 412 mSDsluCounter, 5626 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 412 SdHoareTripleChecker+Valid, 6681 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:36:27,106 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [412 Valid, 6681 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:36:27,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25808 states. [2024-11-13 14:36:27,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25808 to 19368. [2024-11-13 14:36:27,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19368 states, 19170 states have (on average 1.3918622848200313) internal successors, (26682), 19170 states have internal predecessors, (26682), 196 states have call successors, (196), 1 states have call predecessors, (196), 1 states have return successors, (196), 196 states have call predecessors, (196), 196 states have call successors, (196) [2024-11-13 14:36:27,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19368 states to 19368 states and 27074 transitions. [2024-11-13 14:36:27,519 INFO L78 Accepts]: Start accepts. Automaton has 19368 states and 27074 transitions. Word has length 740 [2024-11-13 14:36:27,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:36:27,520 INFO L471 AbstractCegarLoop]: Abstraction has 19368 states and 27074 transitions. [2024-11-13 14:36:27,520 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 77.875) internal successors, (623), 8 states have internal predecessors, (623), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-13 14:36:27,520 INFO L276 IsEmpty]: Start isEmpty. Operand 19368 states and 27074 transitions. [2024-11-13 14:36:27,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 742 [2024-11-13 14:36:27,536 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:36:27,536 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:36:27,536 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93 [2024-11-13 14:36:27,537 INFO L396 AbstractCegarLoop]: === Iteration 95 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:36:27,537 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:36:27,537 INFO L85 PathProgramCache]: Analyzing trace with hash 211512166, now seen corresponding path program 1 times [2024-11-13 14:36:27,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:36:27,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497337130] [2024-11-13 14:36:27,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:36:27,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:36:30,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:33,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-13 14:36:33,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:33,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-13 14:36:33,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:33,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-13 14:36:33,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:33,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-13 14:36:33,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:33,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-13 14:36:33,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:33,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 533 [2024-11-13 14:36:33,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:33,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 548 [2024-11-13 14:36:33,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:33,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 577 [2024-11-13 14:36:33,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:33,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 604 [2024-11-13 14:36:33,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:33,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 616 [2024-11-13 14:36:33,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:33,020 INFO L134 CoverageAnalysis]: Checked inductivity of 699 backedges. 191 proven. 0 refuted. 0 times theorem prover too weak. 508 trivial. 0 not checked. [2024-11-13 14:36:33,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:36:33,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497337130] [2024-11-13 14:36:33,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [497337130] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:36:33,020 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:36:33,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 14:36:33,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350266898] [2024-11-13 14:36:33,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:36:33,021 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 14:36:33,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:36:33,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 14:36:33,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-13 14:36:33,022 INFO L87 Difference]: Start difference. First operand 19368 states and 27074 transitions. Second operand has 8 states, 8 states have (on average 78.0) internal successors, (624), 8 states have internal predecessors, (624), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 14:36:34,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:36:34,648 INFO L93 Difference]: Finished difference Result 30128 states and 42186 transitions. [2024-11-13 14:36:34,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 14:36:34,649 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 78.0) internal successors, (624), 8 states have internal predecessors, (624), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 741 [2024-11-13 14:36:34,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:36:34,671 INFO L225 Difference]: With dead ends: 30128 [2024-11-13 14:36:34,671 INFO L226 Difference]: Without dead ends: 24878 [2024-11-13 14:36:34,679 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-13 14:36:34,680 INFO L432 NwaCegarLoop]: 1192 mSDtfsCounter, 1213 mSDsluCounter, 5519 mSDsCounter, 0 mSdLazyCounter, 2185 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1213 SdHoareTripleChecker+Valid, 6711 SdHoareTripleChecker+Invalid, 2185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-13 14:36:34,680 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1213 Valid, 6711 Invalid, 2185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2185 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-13 14:36:34,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24878 states. [2024-11-13 14:36:35,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24878 to 19752. [2024-11-13 14:36:35,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19752 states, 19554 states have (on average 1.3890764038048482) internal successors, (27162), 19554 states have internal predecessors, (27162), 196 states have call successors, (196), 1 states have call predecessors, (196), 1 states have return successors, (196), 196 states have call predecessors, (196), 196 states have call successors, (196) [2024-11-13 14:36:35,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19752 states to 19752 states and 27554 transitions. [2024-11-13 14:36:35,065 INFO L78 Accepts]: Start accepts. Automaton has 19752 states and 27554 transitions. Word has length 741 [2024-11-13 14:36:35,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:36:35,066 INFO L471 AbstractCegarLoop]: Abstraction has 19752 states and 27554 transitions. [2024-11-13 14:36:35,066 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 78.0) internal successors, (624), 8 states have internal predecessors, (624), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 14:36:35,066 INFO L276 IsEmpty]: Start isEmpty. Operand 19752 states and 27554 transitions. [2024-11-13 14:36:35,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 742 [2024-11-13 14:36:35,083 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:36:35,083 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:36:35,083 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94 [2024-11-13 14:36:35,083 INFO L396 AbstractCegarLoop]: === Iteration 96 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:36:35,083 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:36:35,084 INFO L85 PathProgramCache]: Analyzing trace with hash -1141804515, now seen corresponding path program 1 times [2024-11-13 14:36:35,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:36:35,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50137231] [2024-11-13 14:36:35,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:36:35,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:36:40,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:43,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-13 14:36:43,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:43,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-13 14:36:43,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:43,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-13 14:36:43,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:43,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-13 14:36:43,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:43,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-13 14:36:43,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:43,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 533 [2024-11-13 14:36:43,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:43,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 548 [2024-11-13 14:36:43,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:43,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 577 [2024-11-13 14:36:43,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:43,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 604 [2024-11-13 14:36:43,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:43,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 616 [2024-11-13 14:36:43,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:43,207 INFO L134 CoverageAnalysis]: Checked inductivity of 699 backedges. 121 proven. 70 refuted. 0 times theorem prover too weak. 508 trivial. 0 not checked. [2024-11-13 14:36:43,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:36:43,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50137231] [2024-11-13 14:36:43,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [50137231] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:36:43,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1006087442] [2024-11-13 14:36:43,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:36:43,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:36:43,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:36:43,209 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:36:43,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2024-11-13 14:36:58,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:36:58,543 INFO L255 TraceCheckSpWp]: Trace formula consists of 3740 conjuncts, 172 conjuncts are in the unsatisfiable core [2024-11-13 14:36:58,560 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:37:04,368 INFO L134 CoverageAnalysis]: Checked inductivity of 699 backedges. 157 proven. 99 refuted. 0 times theorem prover too weak. 443 trivial. 0 not checked. [2024-11-13 14:37:04,368 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:37:11,894 INFO L134 CoverageAnalysis]: Checked inductivity of 699 backedges. 133 proven. 87 refuted. 0 times theorem prover too weak. 479 trivial. 0 not checked. [2024-11-13 14:37:11,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1006087442] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 14:37:11,894 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 14:37:11,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 30, 26] total 56 [2024-11-13 14:37:11,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919110675] [2024-11-13 14:37:11,894 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 14:37:11,895 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2024-11-13 14:37:11,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:37:11,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2024-11-13 14:37:11,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=541, Invalid=2539, Unknown=0, NotChecked=0, Total=3080 [2024-11-13 14:37:11,897 INFO L87 Difference]: Start difference. First operand 19752 states and 27554 transitions. Second operand has 56 states, 56 states have (on average 28.607142857142858) internal successors, (1602), 56 states have internal predecessors, (1602), 10 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 10 states have call predecessors, (30), 10 states have call successors, (30) [2024-11-13 14:37:23,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:37:23,470 INFO L93 Difference]: Finished difference Result 53100 states and 74024 transitions. [2024-11-13 14:37:23,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-11-13 14:37:23,471 INFO L78 Accepts]: Start accepts. Automaton has has 56 states, 56 states have (on average 28.607142857142858) internal successors, (1602), 56 states have internal predecessors, (1602), 10 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 10 states have call predecessors, (30), 10 states have call successors, (30) Word has length 741 [2024-11-13 14:37:23,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:37:23,510 INFO L225 Difference]: With dead ends: 53100 [2024-11-13 14:37:23,510 INFO L226 Difference]: Without dead ends: 47796 [2024-11-13 14:37:23,523 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1545 GetRequests, 1457 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2257 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=1448, Invalid=6562, Unknown=0, NotChecked=0, Total=8010 [2024-11-13 14:37:23,523 INFO L432 NwaCegarLoop]: 1075 mSDtfsCounter, 5886 mSDsluCounter, 22386 mSDsCounter, 0 mSdLazyCounter, 12938 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5897 SdHoareTripleChecker+Valid, 23461 SdHoareTripleChecker+Invalid, 12998 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 12938 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2024-11-13 14:37:23,523 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5897 Valid, 23461 Invalid, 12998 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [60 Valid, 12938 Invalid, 0 Unknown, 0 Unchecked, 8.8s Time] [2024-11-13 14:37:23,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47796 states. [2024-11-13 14:37:23,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47796 to 20678. [2024-11-13 14:37:23,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20678 states, 20452 states have (on average 1.3874437707803637) internal successors, (28376), 20452 states have internal predecessors, (28376), 224 states have call successors, (224), 1 states have call predecessors, (224), 1 states have return successors, (224), 224 states have call predecessors, (224), 224 states have call successors, (224) [2024-11-13 14:37:24,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20678 states to 20678 states and 28824 transitions. [2024-11-13 14:37:24,007 INFO L78 Accepts]: Start accepts. Automaton has 20678 states and 28824 transitions. Word has length 741 [2024-11-13 14:37:24,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:37:24,007 INFO L471 AbstractCegarLoop]: Abstraction has 20678 states and 28824 transitions. [2024-11-13 14:37:24,008 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 56 states have (on average 28.607142857142858) internal successors, (1602), 56 states have internal predecessors, (1602), 10 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 10 states have call predecessors, (30), 10 states have call successors, (30) [2024-11-13 14:37:24,008 INFO L276 IsEmpty]: Start isEmpty. Operand 20678 states and 28824 transitions. [2024-11-13 14:37:24,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 742 [2024-11-13 14:37:24,025 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:37:24,025 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:37:24,068 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Ended with exit code 0 [2024-11-13 14:37:24,226 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95,45 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:37:24,226 INFO L396 AbstractCegarLoop]: === Iteration 97 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:37:24,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:37:24,227 INFO L85 PathProgramCache]: Analyzing trace with hash -1161805699, now seen corresponding path program 1 times [2024-11-13 14:37:24,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:37:24,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928013653] [2024-11-13 14:37:24,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:37:24,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:37:30,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:37:31,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-13 14:37:31,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:37:31,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-13 14:37:31,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:37:31,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-13 14:37:31,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:37:31,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-13 14:37:31,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:37:31,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-13 14:37:31,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:37:31,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 533 [2024-11-13 14:37:31,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:37:31,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 548 [2024-11-13 14:37:31,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:37:31,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 577 [2024-11-13 14:37:31,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:37:31,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 604 [2024-11-13 14:37:31,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:37:31,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 616 [2024-11-13 14:37:31,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:37:31,707 INFO L134 CoverageAnalysis]: Checked inductivity of 697 backedges. 125 proven. 3 refuted. 0 times theorem prover too weak. 569 trivial. 0 not checked. [2024-11-13 14:37:31,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:37:31,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928013653] [2024-11-13 14:37:31,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [928013653] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:37:31,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1386866580] [2024-11-13 14:37:31,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:37:31,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:37:31,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:37:31,709 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:37:31,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Waiting until timeout for monitored process [2024-11-13 14:37:49,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:37:49,459 INFO L255 TraceCheckSpWp]: Trace formula consists of 3740 conjuncts, 206 conjuncts are in the unsatisfiable core [2024-11-13 14:37:49,479 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:37:53,527 INFO L134 CoverageAnalysis]: Checked inductivity of 697 backedges. 270 proven. 155 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2024-11-13 14:37:53,528 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:37:56,280 INFO L134 CoverageAnalysis]: Checked inductivity of 697 backedges. 189 proven. 0 refuted. 0 times theorem prover too weak. 508 trivial. 0 not checked. [2024-11-13 14:37:56,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1386866580] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-13 14:37:56,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-13 14:37:56,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [7, 42] total 60 [2024-11-13 14:37:56,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779594498] [2024-11-13 14:37:56,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:37:56,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-13 14:37:56,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:37:56,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-13 14:37:56,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=306, Invalid=3234, Unknown=0, NotChecked=0, Total=3540 [2024-11-13 14:37:56,282 INFO L87 Difference]: Start difference. First operand 20678 states and 28824 transitions. Second operand has 15 states, 15 states have (on average 41.6) internal successors, (624), 15 states have internal predecessors, (624), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-13 14:37:57,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:37:57,587 INFO L93 Difference]: Finished difference Result 37316 states and 51907 transitions. [2024-11-13 14:37:57,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 14:37:57,588 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 41.6) internal successors, (624), 15 states have internal predecessors, (624), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 741 [2024-11-13 14:37:57,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:37:57,616 INFO L225 Difference]: With dead ends: 37316 [2024-11-13 14:37:57,616 INFO L226 Difference]: Without dead ends: 29926 [2024-11-13 14:37:57,627 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1517 GetRequests, 1451 SyntacticMatches, 1 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1563 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=361, Invalid=4061, Unknown=0, NotChecked=0, Total=4422 [2024-11-13 14:37:57,627 INFO L432 NwaCegarLoop]: 1663 mSDtfsCounter, 2446 mSDsluCounter, 15981 mSDsCounter, 0 mSdLazyCounter, 545 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2450 SdHoareTripleChecker+Valid, 17644 SdHoareTripleChecker+Invalid, 555 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 545 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-13 14:37:57,627 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2450 Valid, 17644 Invalid, 555 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 545 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-13 14:37:57,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29926 states. [2024-11-13 14:37:58,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29926 to 22124. [2024-11-13 14:37:58,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22124 states, 21890 states have (on average 1.385107354956601) internal successors, (30320), 21890 states have internal predecessors, (30320), 232 states have call successors, (232), 1 states have call predecessors, (232), 1 states have return successors, (232), 232 states have call predecessors, (232), 232 states have call successors, (232) [2024-11-13 14:37:58,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22124 states to 22124 states and 30784 transitions. [2024-11-13 14:37:58,130 INFO L78 Accepts]: Start accepts. Automaton has 22124 states and 30784 transitions. Word has length 741 [2024-11-13 14:37:58,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:37:58,131 INFO L471 AbstractCegarLoop]: Abstraction has 22124 states and 30784 transitions. [2024-11-13 14:37:58,131 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 41.6) internal successors, (624), 15 states have internal predecessors, (624), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-13 14:37:58,131 INFO L276 IsEmpty]: Start isEmpty. Operand 22124 states and 30784 transitions. [2024-11-13 14:37:58,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 743 [2024-11-13 14:37:58,150 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:37:58,150 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:37:58,193 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Ended with exit code 0 [2024-11-13 14:37:58,350 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96,46 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:37:58,351 INFO L396 AbstractCegarLoop]: === Iteration 98 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:37:58,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:37:58,351 INFO L85 PathProgramCache]: Analyzing trace with hash -500007520, now seen corresponding path program 1 times [2024-11-13 14:37:58,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:37:58,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460052508] [2024-11-13 14:37:58,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:37:58,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:38:02,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:38:04,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-13 14:38:04,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:38:04,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-13 14:38:04,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:38:04,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-13 14:38:04,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:38:04,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-13 14:38:04,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:38:04,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-13 14:38:04,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:38:04,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 533 [2024-11-13 14:38:04,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:38:04,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 549 [2024-11-13 14:38:04,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:38:04,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 578 [2024-11-13 14:38:04,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:38:04,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 605 [2024-11-13 14:38:04,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:38:04,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 617 [2024-11-13 14:38:04,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:38:04,649 INFO L134 CoverageAnalysis]: Checked inductivity of 700 backedges. 125 proven. 3 refuted. 0 times theorem prover too weak. 572 trivial. 0 not checked. [2024-11-13 14:38:04,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:38:04,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460052508] [2024-11-13 14:38:04,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460052508] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:38:04,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1263466026] [2024-11-13 14:38:04,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:38:04,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:38:04,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:38:04,651 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:38:04,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Waiting until timeout for monitored process [2024-11-13 14:38:11,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:38:11,803 INFO L255 TraceCheckSpWp]: Trace formula consists of 3741 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 14:38:11,811 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:38:12,199 INFO L134 CoverageAnalysis]: Checked inductivity of 700 backedges. 286 proven. 0 refuted. 0 times theorem prover too weak. 414 trivial. 0 not checked. [2024-11-13 14:38:12,200 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 14:38:12,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1263466026] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:38:12,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 14:38:12,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [7] total 13 [2024-11-13 14:38:12,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033316485] [2024-11-13 14:38:12,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:38:12,201 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 14:38:12,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:38:12,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 14:38:12,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-11-13 14:38:12,202 INFO L87 Difference]: Start difference. First operand 22124 states and 30784 transitions. Second operand has 8 states, 8 states have (on average 78.125) internal successors, (625), 8 states have internal predecessors, (625), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 14:38:13,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:38:13,775 INFO L93 Difference]: Finished difference Result 46551 states and 64659 transitions. [2024-11-13 14:38:13,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 14:38:13,775 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 78.125) internal successors, (625), 8 states have internal predecessors, (625), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 742 [2024-11-13 14:38:13,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:38:13,811 INFO L225 Difference]: With dead ends: 46551 [2024-11-13 14:38:13,811 INFO L226 Difference]: Without dead ends: 38053 [2024-11-13 14:38:13,825 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 771 GetRequests, 757 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2024-11-13 14:38:13,825 INFO L432 NwaCegarLoop]: 797 mSDtfsCounter, 3625 mSDsluCounter, 3170 mSDsCounter, 0 mSdLazyCounter, 1430 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3635 SdHoareTripleChecker+Valid, 3967 SdHoareTripleChecker+Invalid, 1435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1430 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-13 14:38:13,825 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3635 Valid, 3967 Invalid, 1435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1430 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-13 14:38:13,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38053 states. [2024-11-13 14:38:14,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38053 to 35069. [2024-11-13 14:38:14,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35069 states, 34679 states have (on average 1.3851322125782173) internal successors, (48035), 34679 states have internal predecessors, (48035), 388 states have call successors, (388), 1 states have call predecessors, (388), 1 states have return successors, (388), 388 states have call predecessors, (388), 388 states have call successors, (388) [2024-11-13 14:38:14,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35069 states to 35069 states and 48811 transitions. [2024-11-13 14:38:14,538 INFO L78 Accepts]: Start accepts. Automaton has 35069 states and 48811 transitions. Word has length 742 [2024-11-13 14:38:14,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:38:14,538 INFO L471 AbstractCegarLoop]: Abstraction has 35069 states and 48811 transitions. [2024-11-13 14:38:14,538 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 78.125) internal successors, (625), 8 states have internal predecessors, (625), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 14:38:14,539 INFO L276 IsEmpty]: Start isEmpty. Operand 35069 states and 48811 transitions. [2024-11-13 14:38:14,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 744 [2024-11-13 14:38:14,577 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:38:14,577 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:38:14,757 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Ended with exit code 0 [2024-11-13 14:38:14,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable97 [2024-11-13 14:38:14,782 INFO L396 AbstractCegarLoop]: === Iteration 99 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:38:14,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:38:14,784 INFO L85 PathProgramCache]: Analyzing trace with hash -553696769, now seen corresponding path program 1 times [2024-11-13 14:38:14,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:38:14,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177419257] [2024-11-13 14:38:14,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:38:14,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:38:20,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:38:22,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-13 14:38:22,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:38:22,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-13 14:38:22,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:38:22,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-13 14:38:22,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:38:22,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-13 14:38:22,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:38:22,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-13 14:38:22,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:38:22,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 534 [2024-11-13 14:38:22,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:38:22,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2024-11-13 14:38:22,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:38:22,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 579 [2024-11-13 14:38:22,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:38:22,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 606 [2024-11-13 14:38:22,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:38:22,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 618 [2024-11-13 14:38:22,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:38:22,207 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 126 proven. 3 refuted. 0 times theorem prover too weak. 572 trivial. 0 not checked. [2024-11-13 14:38:22,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:38:22,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177419257] [2024-11-13 14:38:22,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177419257] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:38:22,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1619630150] [2024-11-13 14:38:22,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:38:22,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:38:22,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:38:22,209 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:38:22,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Waiting until timeout for monitored process [2024-11-13 14:38:34,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:38:34,226 INFO L255 TraceCheckSpWp]: Trace formula consists of 3742 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 14:38:34,233 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:38:34,288 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 556 trivial. 0 not checked. [2024-11-13 14:38:34,288 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 14:38:34,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1619630150] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:38:34,288 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 14:38:34,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 12 [2024-11-13 14:38:34,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883277154] [2024-11-13 14:38:34,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:38:34,290 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 14:38:34,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:38:34,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 14:38:34,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2024-11-13 14:38:34,290 INFO L87 Difference]: Start difference. First operand 35069 states and 48811 transitions. Second operand has 6 states, 5 states have (on average 112.4) internal successors, (562), 6 states have internal predecessors, (562), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-13 14:38:34,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:38:34,904 INFO L93 Difference]: Finished difference Result 60835 states and 84785 transitions. [2024-11-13 14:38:34,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 14:38:34,904 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 112.4) internal successors, (562), 6 states have internal predecessors, (562), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 743 [2024-11-13 14:38:34,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:38:34,936 INFO L225 Difference]: With dead ends: 60835 [2024-11-13 14:38:34,936 INFO L226 Difference]: Without dead ends: 35069 [2024-11-13 14:38:34,956 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 770 GetRequests, 760 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2024-11-13 14:38:34,956 INFO L432 NwaCegarLoop]: 1064 mSDtfsCounter, 0 mSDsluCounter, 4233 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5297 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:38:34,957 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5297 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:38:34,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35069 states. [2024-11-13 14:38:35,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35069 to 35069. [2024-11-13 14:38:35,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35069 states, 34679 states have (on average 1.3823639666657055) internal successors, (47939), 34679 states have internal predecessors, (47939), 388 states have call successors, (388), 1 states have call predecessors, (388), 1 states have return successors, (388), 388 states have call predecessors, (388), 388 states have call successors, (388) [2024-11-13 14:38:35,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35069 states to 35069 states and 48715 transitions. [2024-11-13 14:38:35,673 INFO L78 Accepts]: Start accepts. Automaton has 35069 states and 48715 transitions. Word has length 743 [2024-11-13 14:38:35,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:38:35,673 INFO L471 AbstractCegarLoop]: Abstraction has 35069 states and 48715 transitions. [2024-11-13 14:38:35,673 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 112.4) internal successors, (562), 6 states have internal predecessors, (562), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-13 14:38:35,674 INFO L276 IsEmpty]: Start isEmpty. Operand 35069 states and 48715 transitions. [2024-11-13 14:38:35,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 745 [2024-11-13 14:38:35,704 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:38:35,705 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:38:35,751 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Ended with exit code 0 [2024-11-13 14:38:35,905 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 48 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable98 [2024-11-13 14:38:35,905 INFO L396 AbstractCegarLoop]: === Iteration 100 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:38:35,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:38:35,905 INFO L85 PathProgramCache]: Analyzing trace with hash -1428366098, now seen corresponding path program 1 times [2024-11-13 14:38:35,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:38:35,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545663292] [2024-11-13 14:38:35,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:38:35,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:38:41,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:38:43,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-13 14:38:43,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:38:43,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-13 14:38:43,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:38:43,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-13 14:38:43,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:38:43,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-13 14:38:43,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:38:43,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-13 14:38:43,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:38:43,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 534 [2024-11-13 14:38:43,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:38:43,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2024-11-13 14:38:43,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:38:43,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 579 [2024-11-13 14:38:43,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:38:43,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 606 [2024-11-13 14:38:43,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:38:43,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2024-11-13 14:38:43,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:38:43,872 INFO L134 CoverageAnalysis]: Checked inductivity of 702 backedges. 118 proven. 4 refuted. 0 times theorem prover too weak. 580 trivial. 0 not checked. [2024-11-13 14:38:43,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:38:43,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545663292] [2024-11-13 14:38:43,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [545663292] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:38:43,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1272444560] [2024-11-13 14:38:43,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:38:43,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:38:43,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:38:43,874 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:38:43,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Waiting until timeout for monitored process [2024-11-13 14:39:02,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:39:02,632 INFO L255 TraceCheckSpWp]: Trace formula consists of 3745 conjuncts, 156 conjuncts are in the unsatisfiable core [2024-11-13 14:39:02,650 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:39:06,357 INFO L134 CoverageAnalysis]: Checked inductivity of 702 backedges. 154 proven. 180 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2024-11-13 14:39:06,357 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:39:19,465 INFO L134 CoverageAnalysis]: Checked inductivity of 702 backedges. 186 proven. 7 refuted. 0 times theorem prover too weak. 509 trivial. 0 not checked. [2024-11-13 14:39:19,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1272444560] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 14:39:19,466 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 14:39:19,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 35, 15] total 51 [2024-11-13 14:39:19,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464017974] [2024-11-13 14:39:19,466 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 14:39:19,467 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2024-11-13 14:39:19,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:39:19,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2024-11-13 14:39:19,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=463, Invalid=2087, Unknown=0, NotChecked=0, Total=2550 [2024-11-13 14:39:19,470 INFO L87 Difference]: Start difference. First operand 35069 states and 48715 transitions. Second operand has 51 states, 51 states have (on average 26.45098039215686) internal successors, (1349), 51 states have internal predecessors, (1349), 5 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 5 states have call predecessors, (19), 5 states have call successors, (19) [2024-11-13 14:39:29,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:39:29,675 INFO L93 Difference]: Finished difference Result 154597 states and 213269 transitions. [2024-11-13 14:39:29,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-11-13 14:39:29,675 INFO L78 Accepts]: Start accepts. Automaton has has 51 states, 51 states have (on average 26.45098039215686) internal successors, (1349), 51 states have internal predecessors, (1349), 5 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 5 states have call predecessors, (19), 5 states have call successors, (19) Word has length 744 [2024-11-13 14:39:29,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:39:29,791 INFO L225 Difference]: With dead ends: 154597 [2024-11-13 14:39:29,791 INFO L226 Difference]: Without dead ends: 128855 [2024-11-13 14:39:29,836 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1568 GetRequests, 1464 SyntacticMatches, 1 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2920 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=1540, Invalid=9380, Unknown=0, NotChecked=0, Total=10920 [2024-11-13 14:39:29,836 INFO L432 NwaCegarLoop]: 828 mSDtfsCounter, 7408 mSDsluCounter, 26834 mSDsCounter, 0 mSdLazyCounter, 12867 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7418 SdHoareTripleChecker+Valid, 27662 SdHoareTripleChecker+Invalid, 12887 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 12867 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2024-11-13 14:39:29,836 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7418 Valid, 27662 Invalid, 12887 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [20 Valid, 12867 Invalid, 0 Unknown, 0 Unchecked, 6.5s Time] [2024-11-13 14:39:29,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128855 states. [2024-11-13 14:39:30,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128855 to 34781. [2024-11-13 14:39:30,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34781 states, 34391 states have (on average 1.3827745631124422) internal successors, (47555), 34391 states have internal predecessors, (47555), 388 states have call successors, (388), 1 states have call predecessors, (388), 1 states have return successors, (388), 388 states have call predecessors, (388), 388 states have call successors, (388) [2024-11-13 14:39:31,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34781 states to 34781 states and 48331 transitions. [2024-11-13 14:39:31,040 INFO L78 Accepts]: Start accepts. Automaton has 34781 states and 48331 transitions. Word has length 744 [2024-11-13 14:39:31,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:39:31,040 INFO L471 AbstractCegarLoop]: Abstraction has 34781 states and 48331 transitions. [2024-11-13 14:39:31,041 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 51 states have (on average 26.45098039215686) internal successors, (1349), 51 states have internal predecessors, (1349), 5 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 5 states have call predecessors, (19), 5 states have call successors, (19) [2024-11-13 14:39:31,041 INFO L276 IsEmpty]: Start isEmpty. Operand 34781 states and 48331 transitions. [2024-11-13 14:39:31,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 745 [2024-11-13 14:39:31,069 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:39:31,069 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:39:31,114 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Ended with exit code 0 [2024-11-13 14:39:31,270 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 49 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable99 [2024-11-13 14:39:31,270 INFO L396 AbstractCegarLoop]: === Iteration 101 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:39:31,270 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:39:31,270 INFO L85 PathProgramCache]: Analyzing trace with hash -596897907, now seen corresponding path program 1 times [2024-11-13 14:39:31,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:39:31,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247532931] [2024-11-13 14:39:31,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:39:31,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:39:38,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:39:42,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-13 14:39:42,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:39:42,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-13 14:39:42,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:39:42,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-13 14:39:42,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:39:42,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-13 14:39:42,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:39:42,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-13 14:39:42,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:39:42,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 535 [2024-11-13 14:39:42,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:39:42,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 551 [2024-11-13 14:39:42,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:39:42,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 580 [2024-11-13 14:39:42,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:39:42,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 607 [2024-11-13 14:39:42,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:39:42,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2024-11-13 14:39:42,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:39:42,361 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 194 proven. 1 refuted. 0 times theorem prover too weak. 508 trivial. 0 not checked. [2024-11-13 14:39:42,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:39:42,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247532931] [2024-11-13 14:39:42,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [247532931] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:39:42,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2142981467] [2024-11-13 14:39:42,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:39:42,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:39:42,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:39:42,363 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:39:42,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518cf3e6-1a90-45a4-b0c6-c25888cb7599/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Waiting until timeout for monitored process [2024-11-13 14:39:59,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:39:59,349 INFO L255 TraceCheckSpWp]: Trace formula consists of 3745 conjuncts, 191 conjuncts are in the unsatisfiable core [2024-11-13 14:39:59,364 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:40:01,469 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 289 proven. 6 refuted. 0 times theorem prover too weak. 408 trivial. 0 not checked. [2024-11-13 14:40:01,469 INFO L311 TraceCheckSpWp]: Computing backward predicates...