./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.v_non-pipelined-microprocessor.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bfb677-e0a0-47bd-b8c1-b5b4926f3da0/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bfb677-e0a0-47bd-b8c1-b5b4926f3da0/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bfb677-e0a0-47bd-b8c1-b5b4926f3da0/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bfb677-e0a0-47bd-b8c1-b5b4926f3da0/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.v_non-pipelined-microprocessor.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bfb677-e0a0-47bd-b8c1-b5b4926f3da0/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bfb677-e0a0-47bd-b8c1-b5b4926f3da0/bin/uautomizer-verify-jihMAELWvX --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 013fc4a889617293119ec23d82d2fd495e032e9bab1929da87247ff74d1355ed --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 16:26:41,273 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 16:26:41,403 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bfb677-e0a0-47bd-b8c1-b5b4926f3da0/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-08 16:26:41,411 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 16:26:41,414 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 16:26:41,461 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 16:26:41,462 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 16:26:41,465 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 16:26:41,466 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 16:26:41,467 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 16:26:41,468 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 16:26:41,469 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 16:26:41,470 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 16:26:41,471 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 16:26:41,472 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 16:26:41,473 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 16:26:41,473 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 16:26:41,474 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 16:26:41,474 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 16:26:41,475 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 16:26:41,475 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 16:26:41,476 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 16:26:41,477 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 16:26:41,477 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 16:26:41,478 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 16:26:41,478 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 16:26:41,479 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 16:26:41,479 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 16:26:41,480 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 16:26:41,480 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:26:41,481 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 16:26:41,482 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 16:26:41,482 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 16:26:41,482 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 16:26:41,483 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 16:26:41,483 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 16:26:41,484 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 16:26:41,484 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 16:26:41,485 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 16:26:41,485 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bfb677-e0a0-47bd-b8c1-b5b4926f3da0/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bfb677-e0a0-47bd-b8c1-b5b4926f3da0/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 013fc4a889617293119ec23d82d2fd495e032e9bab1929da87247ff74d1355ed [2024-11-08 16:26:41,875 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 16:26:41,931 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 16:26:41,934 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 16:26:41,936 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 16:26:41,937 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 16:26:41,939 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bfb677-e0a0-47bd-b8c1-b5b4926f3da0/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.v_non-pipelined-microprocessor.c Unable to find full path for "g++" [2024-11-08 16:26:44,566 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 16:26:44,872 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 16:26:44,873 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bfb677-e0a0-47bd-b8c1-b5b4926f3da0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.v_non-pipelined-microprocessor.c [2024-11-08 16:26:44,893 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bfb677-e0a0-47bd-b8c1-b5b4926f3da0/bin/uautomizer-verify-jihMAELWvX/data/ad59afd01/36a26930b51c45a08a1da27e6f6c11fc/FLAG84e641897 [2024-11-08 16:26:44,922 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bfb677-e0a0-47bd-b8c1-b5b4926f3da0/bin/uautomizer-verify-jihMAELWvX/data/ad59afd01/36a26930b51c45a08a1da27e6f6c11fc [2024-11-08 16:26:44,926 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 16:26:44,928 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 16:26:44,930 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 16:26:44,930 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 16:26:44,940 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 16:26:44,941 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:26:44" (1/1) ... [2024-11-08 16:26:44,942 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4966d9de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:26:44, skipping insertion in model container [2024-11-08 16:26:44,943 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:26:44" (1/1) ... [2024-11-08 16:26:45,026 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 16:26:45,374 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_95bfb677-e0a0-47bd-b8c1-b5b4926f3da0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.v_non-pipelined-microprocessor.c[1270,1283] [2024-11-08 16:26:45,679 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:26:45,704 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 16:26:45,722 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_95bfb677-e0a0-47bd-b8c1-b5b4926f3da0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.v_non-pipelined-microprocessor.c[1270,1283] [2024-11-08 16:26:45,911 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:26:45,940 INFO L204 MainTranslator]: Completed translation [2024-11-08 16:26:45,940 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:26:45 WrapperNode [2024-11-08 16:26:45,941 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 16:26:45,942 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 16:26:45,943 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 16:26:45,943 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 16:26:45,953 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:26:45" (1/1) ... [2024-11-08 16:26:45,995 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:26:45" (1/1) ... [2024-11-08 16:26:46,163 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1102 [2024-11-08 16:26:46,164 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 16:26:46,164 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 16:26:46,165 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 16:26:46,165 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 16:26:46,248 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:26:45" (1/1) ... [2024-11-08 16:26:46,252 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:26:45" (1/1) ... [2024-11-08 16:26:46,288 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:26:45" (1/1) ... [2024-11-08 16:26:46,352 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-08 16:26:46,357 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:26:45" (1/1) ... [2024-11-08 16:26:46,357 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:26:45" (1/1) ... [2024-11-08 16:26:46,414 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:26:45" (1/1) ... [2024-11-08 16:26:46,430 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:26:45" (1/1) ... [2024-11-08 16:26:46,450 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:26:45" (1/1) ... [2024-11-08 16:26:46,472 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:26:45" (1/1) ... [2024-11-08 16:26:46,537 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 16:26:46,538 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 16:26:46,538 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 16:26:46,539 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 16:26:46,540 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:26:45" (1/1) ... [2024-11-08 16:26:46,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:26:46,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bfb677-e0a0-47bd-b8c1-b5b4926f3da0/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:26:46,593 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bfb677-e0a0-47bd-b8c1-b5b4926f3da0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 16:26:46,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bfb677-e0a0-47bd-b8c1-b5b4926f3da0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 16:26:46,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 16:26:46,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 16:26:46,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 16:26:46,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 16:26:46,967 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 16:26:46,970 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 16:26:49,057 INFO L? ?]: Removed 643 outVars from TransFormulas that were not future-live. [2024-11-08 16:26:49,057 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 16:26:49,099 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 16:26:49,101 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 16:26:49,102 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:26:49 BoogieIcfgContainer [2024-11-08 16:26:49,103 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 16:26:49,111 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 16:26:49,112 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 16:26:49,117 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 16:26:49,118 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 04:26:44" (1/3) ... [2024-11-08 16:26:49,119 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51c4c3de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:26:49, skipping insertion in model container [2024-11-08 16:26:49,120 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:26:45" (2/3) ... [2024-11-08 16:26:49,120 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51c4c3de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:26:49, skipping insertion in model container [2024-11-08 16:26:49,121 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:26:49" (3/3) ... [2024-11-08 16:26:49,124 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.v_non-pipelined-microprocessor.c [2024-11-08 16:26:49,156 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 16:26:49,157 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 16:26:49,284 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 16:26:49,294 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;@691dcb46, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 16:26:49,295 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 16:26:49,305 INFO L276 IsEmpty]: Start isEmpty. Operand has 256 states, 254 states have (on average 1.5) internal successors, (381), 255 states have internal predecessors, (381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:26:49,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-08 16:26:49,323 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:26:49,324 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:26:49,325 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:26:49,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:26:49,334 INFO L85 PathProgramCache]: Analyzing trace with hash -797507207, now seen corresponding path program 1 times [2024-11-08 16:26:49,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:26:49,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137487742] [2024-11-08 16:26:49,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:26:49,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:26:50,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:26:51,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:26:51,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:26:51,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137487742] [2024-11-08 16:26:51,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1137487742] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:26:51,687 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:26:51,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 16:26:51,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988631685] [2024-11-08 16:26:51,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:26:51,699 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 16:26:51,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:26:51,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 16:26:51,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 16:26:51,743 INFO L87 Difference]: Start difference. First operand has 256 states, 254 states have (on average 1.5) internal successors, (381), 255 states have internal predecessors, (381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:26:51,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:26:51,874 INFO L93 Difference]: Finished difference Result 476 states and 712 transitions. [2024-11-08 16:26:51,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 16:26:51,882 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2024-11-08 16:26:51,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:26:51,904 INFO L225 Difference]: With dead ends: 476 [2024-11-08 16:26:51,904 INFO L226 Difference]: Without dead ends: 254 [2024-11-08 16:26:51,910 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 16:26:51,917 INFO L432 NwaCegarLoop]: 373 mSDtfsCounter, 0 mSDsluCounter, 740 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1113 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 [2024-11-08 16:26:51,919 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1113 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:26:51,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2024-11-08 16:26:51,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 254. [2024-11-08 16:26:51,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 254 states, 253 states have (on average 1.4901185770750989) internal successors, (377), 253 states have internal predecessors, (377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:26:51,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 377 transitions. [2024-11-08 16:26:52,001 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 377 transitions. Word has length 77 [2024-11-08 16:26:52,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:26:52,006 INFO L471 AbstractCegarLoop]: Abstraction has 254 states and 377 transitions. [2024-11-08 16:26:52,006 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:26:52,007 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 377 transitions. [2024-11-08 16:26:52,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-08 16:26:52,013 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:26:52,014 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:26:52,014 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 16:26:52,015 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:26:52,015 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:26:52,015 INFO L85 PathProgramCache]: Analyzing trace with hash 1048775984, now seen corresponding path program 1 times [2024-11-08 16:26:52,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:26:52,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384962068] [2024-11-08 16:26:52,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:26:52,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:26:52,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:26:52,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:26:52,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:26:52,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384962068] [2024-11-08 16:26:52,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1384962068] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:26:52,837 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:26:52,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 16:26:52,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879410041] [2024-11-08 16:26:52,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:26:52,839 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 16:26:52,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:26:52,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 16:26:52,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 16:26:52,842 INFO L87 Difference]: Start difference. First operand 254 states and 377 transitions. Second operand has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:26:52,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:26:52,911 INFO L93 Difference]: Finished difference Result 476 states and 707 transitions. [2024-11-08 16:26:52,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 16:26:52,912 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2024-11-08 16:26:52,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:26:52,917 INFO L225 Difference]: With dead ends: 476 [2024-11-08 16:26:52,917 INFO L226 Difference]: Without dead ends: 256 [2024-11-08 16:26:52,919 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 16:26:52,920 INFO L432 NwaCegarLoop]: 373 mSDtfsCounter, 0 mSDsluCounter, 736 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1109 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 [2024-11-08 16:26:52,921 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1109 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:26:52,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2024-11-08 16:26:52,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 256. [2024-11-08 16:26:52,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 255 states have (on average 1.4862745098039216) internal successors, (379), 255 states have internal predecessors, (379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:26:52,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 379 transitions. [2024-11-08 16:26:52,957 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 379 transitions. Word has length 78 [2024-11-08 16:26:52,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:26:52,958 INFO L471 AbstractCegarLoop]: Abstraction has 256 states and 379 transitions. [2024-11-08 16:26:52,958 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:26:52,958 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 379 transitions. [2024-11-08 16:26:52,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-08 16:26:52,961 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:26:52,961 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:26:52,961 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 16:26:52,962 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:26:52,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:26:52,962 INFO L85 PathProgramCache]: Analyzing trace with hash 1349318962, now seen corresponding path program 1 times [2024-11-08 16:26:52,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:26:52,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78508891] [2024-11-08 16:26:52,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:26:52,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:26:53,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:26:54,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:26:54,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:26:54,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78508891] [2024-11-08 16:26:54,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [78508891] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:26:54,226 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:26:54,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 16:26:54,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665271564] [2024-11-08 16:26:54,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:26:54,227 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 16:26:54,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:26:54,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 16:26:54,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-08 16:26:54,231 INFO L87 Difference]: Start difference. First operand 256 states and 379 transitions. Second operand has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:26:54,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:26:54,312 INFO L93 Difference]: Finished difference Result 482 states and 714 transitions. [2024-11-08 16:26:54,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 16:26:54,314 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2024-11-08 16:26:54,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:26:54,316 INFO L225 Difference]: With dead ends: 482 [2024-11-08 16:26:54,316 INFO L226 Difference]: Without dead ends: 260 [2024-11-08 16:26:54,320 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-08 16:26:54,322 INFO L432 NwaCegarLoop]: 371 mSDtfsCounter, 310 mSDsluCounter, 734 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 310 SdHoareTripleChecker+Valid, 1105 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:26:54,322 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [310 Valid, 1105 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:26:54,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2024-11-08 16:26:54,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 259. [2024-11-08 16:26:54,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 259 states, 258 states have (on average 1.4806201550387597) internal successors, (382), 258 states have internal predecessors, (382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:26:54,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 382 transitions. [2024-11-08 16:26:54,336 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 382 transitions. Word has length 79 [2024-11-08 16:26:54,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:26:54,337 INFO L471 AbstractCegarLoop]: Abstraction has 259 states and 382 transitions. [2024-11-08 16:26:54,337 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:26:54,342 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 382 transitions. [2024-11-08 16:26:54,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-08 16:26:54,344 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:26:54,344 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:26:54,344 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 16:26:54,349 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:26:54,349 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:26:54,350 INFO L85 PathProgramCache]: Analyzing trace with hash 443760435, now seen corresponding path program 1 times [2024-11-08 16:26:54,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:26:54,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932217369] [2024-11-08 16:26:54,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:26:54,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:26:55,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:27:12,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:27:12,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:27:12,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932217369] [2024-11-08 16:27:12,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932217369] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:27:12,413 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:27:12,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-08 16:27:12,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924924461] [2024-11-08 16:27:12,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:27:12,415 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 16:27:12,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:27:12,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 16:27:12,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2024-11-08 16:27:12,418 INFO L87 Difference]: Start difference. First operand 259 states and 382 transitions. Second operand has 12 states, 12 states have (on average 6.666666666666667) internal successors, (80), 12 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:27:21,870 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 16:27:25,874 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 16:27:29,880 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 16:27:33,887 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 16:27:37,891 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 16:27:41,899 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 16:27:44,935 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.03s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 16:27:48,946 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse3 (* 2047 |c_ULTIMATE.start_main_~var_42~0#1|))) (let ((.cse0 (< (mod (+ 576 .cse3) 2048) 1)) (.cse1 (< (mod (+ .cse3 18) 2048) 1)) (.cse2 (* |c_ULTIMATE.start_main_~var_42~0#1| 63))) (and (= |c_ULTIMATE.start_main_~var_29~0#1| 54) (<= 7 |c_ULTIMATE.start_main_~mask_SORT_5~0#1|) (= |c_ULTIMATE.start_main_~var_19~0#1| 2544) (<= 1 (mod |c_ULTIMATE.start_main_~var_108_arg_0~0#1| 256)) (or (< 35 (mod |c_ULTIMATE.start_main_~var_44_arg_0~0#1| 256)) .cse0 .cse1 (< (mod (+ (* 16320 |c_ULTIMATE.start_main_~var_44_arg_0~0#1|) 2544 .cse2) 16384) 1)) (or .cse0 .cse1 (< (mod (+ 2544 .cse2) 16384) 1)) (not (= (mod |c_ULTIMATE.start_main_~mask_SORT_5~0#1| 256) 0)) (= 36 |c_ULTIMATE.start_main_~var_14~0#1|) (= |c_ULTIMATE.start_main_~var_34~0#1| 18) (<= (mod (+ 2936 (* 7 |c_ULTIMATE.start_main_~var_42~0#1|)) 16384) 392) (= 5 |c_ULTIMATE.start_main_~var_16~0#1|) (= 576 |c_ULTIMATE.start_main_~var_4~0#1|) (= |c_ULTIMATE.start_main_~var_26~0#1| 3) (<= (div |c_ULTIMATE.start_main_~mask_SORT_5~0#1| 256) 0)))) is different from false [2024-11-08 16:27:53,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:27:53,891 INFO L93 Difference]: Finished difference Result 966 states and 1419 transitions. [2024-11-08 16:27:53,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-08 16:27:53,892 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.666666666666667) internal successors, (80), 12 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2024-11-08 16:27:53,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:27:53,896 INFO L225 Difference]: With dead ends: 966 [2024-11-08 16:27:53,901 INFO L226 Difference]: Without dead ends: 741 [2024-11-08 16:27:53,902 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 9.1s TimeCoverageRelationStatistics Valid=70, Invalid=353, Unknown=1, NotChecked=38, Total=462 [2024-11-08 16:27:53,904 INFO L432 NwaCegarLoop]: 351 mSDtfsCounter, 889 mSDsluCounter, 2734 mSDsCounter, 0 mSdLazyCounter, 3518 mSolverCounterSat, 6 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 889 SdHoareTripleChecker+Valid, 3085 SdHoareTripleChecker+Invalid, 3540 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 3518 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 10 IncrementalHoareTripleChecker+Unchecked, 32.6s IncrementalHoareTripleChecker+Time [2024-11-08 16:27:53,905 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [889 Valid, 3085 Invalid, 3540 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 3518 Invalid, 6 Unknown, 10 Unchecked, 32.6s Time] [2024-11-08 16:27:53,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2024-11-08 16:27:53,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 532. [2024-11-08 16:27:53,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 532 states, 531 states have (on average 1.4821092278719397) internal successors, (787), 531 states have internal predecessors, (787), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:27:53,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 532 states and 787 transitions. [2024-11-08 16:27:53,951 INFO L78 Accepts]: Start accepts. Automaton has 532 states and 787 transitions. Word has length 80 [2024-11-08 16:27:53,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:27:53,952 INFO L471 AbstractCegarLoop]: Abstraction has 532 states and 787 transitions. [2024-11-08 16:27:53,955 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.666666666666667) internal successors, (80), 12 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:27:53,955 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 787 transitions. [2024-11-08 16:27:53,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-08 16:27:53,957 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:27:53,957 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:27:53,958 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 16:27:53,958 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:27:53,958 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:27:53,958 INFO L85 PathProgramCache]: Analyzing trace with hash 486682838, now seen corresponding path program 1 times [2024-11-08 16:27:53,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:27:53,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351041190] [2024-11-08 16:27:53,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:27:53,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:27:54,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:27:54,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:27:54,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:27:54,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351041190] [2024-11-08 16:27:54,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351041190] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:27:54,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:27:54,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 16:27:54,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974665385] [2024-11-08 16:27:54,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:27:54,735 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 16:27:54,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:27:54,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 16:27:54,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-08 16:27:54,736 INFO L87 Difference]: Start difference. First operand 532 states and 787 transitions. Second operand has 6 states, 6 states have (on average 13.5) internal successors, (81), 6 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:27:55,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:27:55,517 INFO L93 Difference]: Finished difference Result 1072 states and 1586 transitions. [2024-11-08 16:27:55,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 16:27:55,517 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.5) internal successors, (81), 6 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2024-11-08 16:27:55,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:27:55,520 INFO L225 Difference]: With dead ends: 1072 [2024-11-08 16:27:55,520 INFO L226 Difference]: Without dead ends: 574 [2024-11-08 16:27:55,521 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-08 16:27:55,522 INFO L432 NwaCegarLoop]: 184 mSDtfsCounter, 358 mSDsluCounter, 534 mSDsCounter, 0 mSdLazyCounter, 854 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 358 SdHoareTripleChecker+Valid, 718 SdHoareTripleChecker+Invalid, 854 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 854 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-08 16:27:55,522 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [358 Valid, 718 Invalid, 854 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 854 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-08 16:27:55,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states. [2024-11-08 16:27:55,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 536. [2024-11-08 16:27:55,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 536 states, 535 states have (on average 1.4785046728971962) internal successors, (791), 535 states have internal predecessors, (791), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:27:55,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 791 transitions. [2024-11-08 16:27:55,539 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 791 transitions. Word has length 81 [2024-11-08 16:27:55,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:27:55,539 INFO L471 AbstractCegarLoop]: Abstraction has 536 states and 791 transitions. [2024-11-08 16:27:55,539 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.5) internal successors, (81), 6 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:27:55,539 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 791 transitions. [2024-11-08 16:27:55,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-08 16:27:55,541 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:27:55,541 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:27:55,541 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 16:27:55,541 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:27:55,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:27:55,542 INFO L85 PathProgramCache]: Analyzing trace with hash 312821943, now seen corresponding path program 1 times [2024-11-08 16:27:55,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:27:55,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314482446] [2024-11-08 16:27:55,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:27:55,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:27:55,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:27:56,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:27:56,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:27:56,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314482446] [2024-11-08 16:27:56,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314482446] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:27:56,296 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:27:56,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 16:27:56,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607292005] [2024-11-08 16:27:56,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:27:56,297 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 16:27:56,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:27:56,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 16:27:56,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-08 16:27:56,298 INFO L87 Difference]: Start difference. First operand 536 states and 791 transitions. Second operand has 6 states, 6 states have (on average 13.5) internal successors, (81), 6 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:27:57,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:27:57,241 INFO L93 Difference]: Finished difference Result 1080 states and 1594 transitions. [2024-11-08 16:27:57,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 16:27:57,241 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.5) internal successors, (81), 6 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2024-11-08 16:27:57,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:27:57,244 INFO L225 Difference]: With dead ends: 1080 [2024-11-08 16:27:57,244 INFO L226 Difference]: Without dead ends: 578 [2024-11-08 16:27:57,245 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-08 16:27:57,246 INFO L432 NwaCegarLoop]: 185 mSDtfsCounter, 370 mSDsluCounter, 535 mSDsCounter, 0 mSdLazyCounter, 865 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 370 SdHoareTripleChecker+Valid, 720 SdHoareTripleChecker+Invalid, 865 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 865 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-08 16:27:57,246 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [370 Valid, 720 Invalid, 865 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 865 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-08 16:27:57,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 578 states. [2024-11-08 16:27:57,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 578 to 540. [2024-11-08 16:27:57,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 540 states, 539 states have (on average 1.4749536178107607) internal successors, (795), 539 states have internal predecessors, (795), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:27:57,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 795 transitions. [2024-11-08 16:27:57,263 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 795 transitions. Word has length 81 [2024-11-08 16:27:57,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:27:57,263 INFO L471 AbstractCegarLoop]: Abstraction has 540 states and 795 transitions. [2024-11-08 16:27:57,263 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.5) internal successors, (81), 6 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:27:57,263 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 795 transitions. [2024-11-08 16:27:57,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-08 16:27:57,265 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:27:57,265 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:27:57,265 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 16:27:57,265 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:27:57,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:27:57,266 INFO L85 PathProgramCache]: Analyzing trace with hash -1772209008, now seen corresponding path program 1 times [2024-11-08 16:27:57,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:27:57,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738271000] [2024-11-08 16:27:57,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:27:57,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:27:57,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:28:03,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:28:03,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:28:03,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738271000] [2024-11-08 16:28:03,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738271000] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:28:03,107 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:28:03,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-08 16:28:03,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129417853] [2024-11-08 16:28:03,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:28:03,108 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-08 16:28:03,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:28:03,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-08 16:28:03,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2024-11-08 16:28:03,109 INFO L87 Difference]: Start difference. First operand 540 states and 795 transitions. Second operand has 15 states, 15 states have (on average 5.4) internal successors, (81), 15 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:28:05,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:28:05,791 INFO L93 Difference]: Finished difference Result 1197 states and 1761 transitions. [2024-11-08 16:28:05,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-08 16:28:05,793 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 5.4) internal successors, (81), 15 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2024-11-08 16:28:05,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:28:05,796 INFO L225 Difference]: With dead ends: 1197 [2024-11-08 16:28:05,796 INFO L226 Difference]: Without dead ends: 691 [2024-11-08 16:28:05,797 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=127, Invalid=523, Unknown=0, NotChecked=0, Total=650 [2024-11-08 16:28:05,799 INFO L432 NwaCegarLoop]: 156 mSDtfsCounter, 578 mSDsluCounter, 1388 mSDsCounter, 0 mSdLazyCounter, 2289 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 578 SdHoareTripleChecker+Valid, 1544 SdHoareTripleChecker+Invalid, 2291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2289 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-08 16:28:05,799 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [578 Valid, 1544 Invalid, 2291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 2289 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-08 16:28:05,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 691 states. [2024-11-08 16:28:05,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 691 to 574. [2024-11-08 16:28:05,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 574 states, 573 states have (on average 1.4746945898778359) internal successors, (845), 573 states have internal predecessors, (845), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:28:05,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 574 states and 845 transitions. [2024-11-08 16:28:05,817 INFO L78 Accepts]: Start accepts. Automaton has 574 states and 845 transitions. Word has length 81 [2024-11-08 16:28:05,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:28:05,817 INFO L471 AbstractCegarLoop]: Abstraction has 574 states and 845 transitions. [2024-11-08 16:28:05,818 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 5.4) internal successors, (81), 15 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:28:05,818 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 845 transitions. [2024-11-08 16:28:05,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-08 16:28:05,819 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:28:05,819 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:28:05,819 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-08 16:28:05,819 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:28:05,820 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:28:05,820 INFO L85 PathProgramCache]: Analyzing trace with hash -1915095692, now seen corresponding path program 1 times [2024-11-08 16:28:05,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:28:05,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456477367] [2024-11-08 16:28:05,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:28:05,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:28:05,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:28:06,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:28:06,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:28:06,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456477367] [2024-11-08 16:28:06,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1456477367] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:28:06,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:28:06,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 16:28:06,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201434849] [2024-11-08 16:28:06,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:28:06,168 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 16:28:06,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:28:06,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 16:28:06,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 16:28:06,169 INFO L87 Difference]: Start difference. First operand 574 states and 845 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:28:06,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:28:06,250 INFO L93 Difference]: Finished difference Result 1379 states and 2023 transitions. [2024-11-08 16:28:06,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 16:28:06,251 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2024-11-08 16:28:06,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:28:06,254 INFO L225 Difference]: With dead ends: 1379 [2024-11-08 16:28:06,254 INFO L226 Difference]: Without dead ends: 839 [2024-11-08 16:28:06,255 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-08 16:28:06,256 INFO L432 NwaCegarLoop]: 364 mSDtfsCounter, 218 mSDsluCounter, 1037 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 1401 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 [2024-11-08 16:28:06,257 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [218 Valid, 1401 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 16:28:06,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 839 states. [2024-11-08 16:28:06,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 839 to 592. [2024-11-08 16:28:06,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 592 states, 591 states have (on average 1.4720812182741116) internal successors, (870), 591 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:28:06,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 870 transitions. [2024-11-08 16:28:06,278 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 870 transitions. Word has length 81 [2024-11-08 16:28:06,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:28:06,279 INFO L471 AbstractCegarLoop]: Abstraction has 592 states and 870 transitions. [2024-11-08 16:28:06,279 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:28:06,279 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 870 transitions. [2024-11-08 16:28:06,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-08 16:28:06,280 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:28:06,280 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:28:06,280 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-08 16:28:06,281 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:28:06,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:28:06,281 INFO L85 PathProgramCache]: Analyzing trace with hash 782543094, now seen corresponding path program 1 times [2024-11-08 16:28:06,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:28:06,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676683551] [2024-11-08 16:28:06,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:28:06,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:28:06,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:28:06,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:28:06,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:28:06,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676683551] [2024-11-08 16:28:06,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [676683551] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:28:06,710 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:28:06,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 16:28:06,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524399563] [2024-11-08 16:28:06,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:28:06,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 16:28:06,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:28:06,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 16:28:06,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-08 16:28:06,712 INFO L87 Difference]: Start difference. First operand 592 states and 870 transitions. Second operand has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 6 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:28:06,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:28:06,790 INFO L93 Difference]: Finished difference Result 1381 states and 2023 transitions. [2024-11-08 16:28:06,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 16:28:06,791 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 6 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2024-11-08 16:28:06,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:28:06,794 INFO L225 Difference]: With dead ends: 1381 [2024-11-08 16:28:06,794 INFO L226 Difference]: Without dead ends: 837 [2024-11-08 16:28:06,795 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-08 16:28:06,796 INFO L432 NwaCegarLoop]: 364 mSDtfsCounter, 216 mSDsluCounter, 1037 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 1401 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 16:28:06,796 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [216 Valid, 1401 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 16:28:06,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 837 states. [2024-11-08 16:28:06,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 837 to 590. [2024-11-08 16:28:06,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 590 states, 589 states have (on average 1.468590831918506) internal successors, (865), 589 states have internal predecessors, (865), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:28:06,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 590 states and 865 transitions. [2024-11-08 16:28:06,813 INFO L78 Accepts]: Start accepts. Automaton has 590 states and 865 transitions. Word has length 82 [2024-11-08 16:28:06,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:28:06,813 INFO L471 AbstractCegarLoop]: Abstraction has 590 states and 865 transitions. [2024-11-08 16:28:06,813 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 6 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:28:06,814 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 865 transitions. [2024-11-08 16:28:06,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-08 16:28:06,814 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:28:06,815 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:28:06,815 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-08 16:28:06,815 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:28:06,815 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:28:06,815 INFO L85 PathProgramCache]: Analyzing trace with hash 1198840122, now seen corresponding path program 1 times [2024-11-08 16:28:06,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:28:06,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057406733] [2024-11-08 16:28:06,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:28:06,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:28:07,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:28:07,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:28:07,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:28:07,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057406733] [2024-11-08 16:28:07,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2057406733] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:28:07,605 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:28:07,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 16:28:07,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577201551] [2024-11-08 16:28:07,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:28:07,606 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 16:28:07,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:28:07,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 16:28:07,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-08 16:28:07,609 INFO L87 Difference]: Start difference. First operand 590 states and 865 transitions. Second operand has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 6 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:28:08,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:28:08,475 INFO L93 Difference]: Finished difference Result 1168 states and 1716 transitions. [2024-11-08 16:28:08,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 16:28:08,476 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 6 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2024-11-08 16:28:08,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:28:08,479 INFO L225 Difference]: With dead ends: 1168 [2024-11-08 16:28:08,480 INFO L226 Difference]: Without dead ends: 628 [2024-11-08 16:28:08,480 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-08 16:28:08,481 INFO L432 NwaCegarLoop]: 183 mSDtfsCounter, 359 mSDsluCounter, 533 mSDsCounter, 0 mSdLazyCounter, 838 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 359 SdHoareTripleChecker+Valid, 716 SdHoareTripleChecker+Invalid, 838 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 838 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-08 16:28:08,482 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [359 Valid, 716 Invalid, 838 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 838 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-08 16:28:08,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 628 states. [2024-11-08 16:28:08,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 628 to 598. [2024-11-08 16:28:08,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 598 states, 597 states have (on average 1.4656616415410386) internal successors, (875), 597 states have internal predecessors, (875), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:28:08,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 598 states and 875 transitions. [2024-11-08 16:28:08,499 INFO L78 Accepts]: Start accepts. Automaton has 598 states and 875 transitions. Word has length 82 [2024-11-08 16:28:08,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:28:08,499 INFO L471 AbstractCegarLoop]: Abstraction has 598 states and 875 transitions. [2024-11-08 16:28:08,500 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 6 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:28:08,500 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 875 transitions. [2024-11-08 16:28:08,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-08 16:28:08,501 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:28:08,501 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:28:08,501 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-08 16:28:08,501 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:28:08,502 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:28:08,502 INFO L85 PathProgramCache]: Analyzing trace with hash 407152086, now seen corresponding path program 1 times [2024-11-08 16:28:08,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:28:08,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972704617] [2024-11-08 16:28:08,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:28:08,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:28:08,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:28:09,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:28:09,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:28:09,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972704617] [2024-11-08 16:28:09,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972704617] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:28:09,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:28:09,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 16:28:09,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281397785] [2024-11-08 16:28:09,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:28:09,091 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 16:28:09,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:28:09,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 16:28:09,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-08 16:28:09,092 INFO L87 Difference]: Start difference. First operand 598 states and 875 transitions. Second operand has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 6 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:28:09,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:28:09,738 INFO L93 Difference]: Finished difference Result 1188 states and 1742 transitions. [2024-11-08 16:28:09,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 16:28:09,739 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 6 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2024-11-08 16:28:09,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:28:09,741 INFO L225 Difference]: With dead ends: 1188 [2024-11-08 16:28:09,741 INFO L226 Difference]: Without dead ends: 640 [2024-11-08 16:28:09,742 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-08 16:28:09,743 INFO L432 NwaCegarLoop]: 360 mSDtfsCounter, 33 mSDsluCounter, 710 mSDsCounter, 0 mSdLazyCounter, 482 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 1070 SdHoareTripleChecker+Invalid, 483 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 482 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-08 16:28:09,743 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 1070 Invalid, 483 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 482 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-08 16:28:09,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 640 states. [2024-11-08 16:28:09,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 640 to 602. [2024-11-08 16:28:09,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 602 states, 601 states have (on average 1.4625623960066556) internal successors, (879), 601 states have internal predecessors, (879), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:28:09,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 879 transitions. [2024-11-08 16:28:09,759 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 879 transitions. Word has length 82 [2024-11-08 16:28:09,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:28:09,759 INFO L471 AbstractCegarLoop]: Abstraction has 602 states and 879 transitions. [2024-11-08 16:28:09,760 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 6 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:28:09,760 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 879 transitions. [2024-11-08 16:28:09,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-08 16:28:09,762 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:28:09,762 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:28:09,763 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-08 16:28:09,763 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:28:09,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:28:09,763 INFO L85 PathProgramCache]: Analyzing trace with hash -70362726, now seen corresponding path program 1 times [2024-11-08 16:28:09,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:28:09,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038569951] [2024-11-08 16:28:09,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:28:09,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:28:10,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:28:10,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:28:10,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:28:10,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038569951] [2024-11-08 16:28:10,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038569951] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:28:10,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:28:10,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 16:28:10,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048413882] [2024-11-08 16:28:10,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:28:10,801 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 16:28:10,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:28:10,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 16:28:10,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-08 16:28:10,802 INFO L87 Difference]: Start difference. First operand 602 states and 879 transitions. Second operand has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 7 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:28:11,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:28:11,673 INFO L93 Difference]: Finished difference Result 1408 states and 2053 transitions. [2024-11-08 16:28:11,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 16:28:11,674 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 7 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2024-11-08 16:28:11,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:28:11,677 INFO L225 Difference]: With dead ends: 1408 [2024-11-08 16:28:11,677 INFO L226 Difference]: Without dead ends: 856 [2024-11-08 16:28:11,678 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-08 16:28:11,679 INFO L432 NwaCegarLoop]: 182 mSDtfsCounter, 677 mSDsluCounter, 719 mSDsCounter, 0 mSdLazyCounter, 971 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 677 SdHoareTripleChecker+Valid, 901 SdHoareTripleChecker+Invalid, 972 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 971 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-08 16:28:11,679 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [677 Valid, 901 Invalid, 972 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 971 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-08 16:28:11,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 856 states. [2024-11-08 16:28:11,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 856 to 608. [2024-11-08 16:28:11,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 608 states, 607 states have (on average 1.4612850082372324) internal successors, (887), 607 states have internal predecessors, (887), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:28:11,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 608 states and 887 transitions. [2024-11-08 16:28:11,697 INFO L78 Accepts]: Start accepts. Automaton has 608 states and 887 transitions. Word has length 82 [2024-11-08 16:28:11,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:28:11,698 INFO L471 AbstractCegarLoop]: Abstraction has 608 states and 887 transitions. [2024-11-08 16:28:11,698 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 7 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:28:11,698 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 887 transitions. [2024-11-08 16:28:11,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-08 16:28:11,699 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:28:11,699 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:28:11,699 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-08 16:28:11,700 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:28:11,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:28:11,700 INFO L85 PathProgramCache]: Analyzing trace with hash -258558154, now seen corresponding path program 1 times [2024-11-08 16:28:11,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:28:11,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522292669] [2024-11-08 16:28:11,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:28:11,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:28:11,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:28:12,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:28:12,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:28:12,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522292669] [2024-11-08 16:28:12,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [522292669] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:28:12,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:28:12,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 16:28:12,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830843917] [2024-11-08 16:28:12,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:28:12,332 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 16:28:12,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:28:12,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 16:28:12,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-08 16:28:12,333 INFO L87 Difference]: Start difference. First operand 608 states and 887 transitions. Second operand has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 6 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:28:13,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:28:13,163 INFO L93 Difference]: Finished difference Result 1208 states and 1766 transitions. [2024-11-08 16:28:13,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 16:28:13,163 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 6 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2024-11-08 16:28:13,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:28:13,166 INFO L225 Difference]: With dead ends: 1208 [2024-11-08 16:28:13,166 INFO L226 Difference]: Without dead ends: 650 [2024-11-08 16:28:13,170 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-08 16:28:13,171 INFO L432 NwaCegarLoop]: 367 mSDtfsCounter, 33 mSDsluCounter, 892 mSDsCounter, 0 mSdLazyCounter, 723 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 1259 SdHoareTripleChecker+Invalid, 724 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 723 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-08 16:28:13,172 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 1259 Invalid, 724 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 723 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-08 16:28:13,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 650 states. [2024-11-08 16:28:13,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 650 to 608. [2024-11-08 16:28:13,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 608 states, 607 states have (on average 1.4612850082372324) internal successors, (887), 607 states have internal predecessors, (887), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:28:13,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 608 states and 887 transitions. [2024-11-08 16:28:13,195 INFO L78 Accepts]: Start accepts. Automaton has 608 states and 887 transitions. Word has length 82 [2024-11-08 16:28:13,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:28:13,195 INFO L471 AbstractCegarLoop]: Abstraction has 608 states and 887 transitions. [2024-11-08 16:28:13,196 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 6 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:28:13,196 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 887 transitions. [2024-11-08 16:28:13,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-08 16:28:13,197 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:28:13,197 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:28:13,197 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-08 16:28:13,198 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:28:13,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:28:13,198 INFO L85 PathProgramCache]: Analyzing trace with hash -129933930, now seen corresponding path program 1 times [2024-11-08 16:28:13,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:28:13,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190330818] [2024-11-08 16:28:13,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:28:13,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:28:13,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:28:16,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:28:16,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:28:16,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190330818] [2024-11-08 16:28:16,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190330818] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:28:16,862 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:28:16,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:28:16,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395571427] [2024-11-08 16:28:16,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:28:16,863 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 16:28:16,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:28:16,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 16:28:16,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-08 16:28:16,864 INFO L87 Difference]: Start difference. First operand 608 states and 887 transitions. Second operand has 8 states, 8 states have (on average 10.25) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:28:18,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:28:18,289 INFO L93 Difference]: Finished difference Result 1674 states and 2435 transitions. [2024-11-08 16:28:18,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 16:28:18,289 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2024-11-08 16:28:18,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:28:18,292 INFO L225 Difference]: With dead ends: 1674 [2024-11-08 16:28:18,292 INFO L226 Difference]: Without dead ends: 1116 [2024-11-08 16:28:18,293 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-11-08 16:28:18,294 INFO L432 NwaCegarLoop]: 397 mSDtfsCounter, 691 mSDsluCounter, 1613 mSDsCounter, 0 mSdLazyCounter, 828 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 691 SdHoareTripleChecker+Valid, 2010 SdHoareTripleChecker+Invalid, 849 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 828 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-08 16:28:18,294 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [691 Valid, 2010 Invalid, 849 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 828 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-08 16:28:18,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2024-11-08 16:28:18,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 646. [2024-11-08 16:28:18,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 646 states, 645 states have (on average 1.4604651162790698) internal successors, (942), 645 states have internal predecessors, (942), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:28:18,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 942 transitions. [2024-11-08 16:28:18,316 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 942 transitions. Word has length 82 [2024-11-08 16:28:18,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:28:18,316 INFO L471 AbstractCegarLoop]: Abstraction has 646 states and 942 transitions. [2024-11-08 16:28:18,317 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:28:18,317 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 942 transitions. [2024-11-08 16:28:18,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-08 16:28:18,318 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:28:18,318 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:28:18,319 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-08 16:28:18,319 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:28:18,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:28:18,319 INFO L85 PathProgramCache]: Analyzing trace with hash -1679491544, now seen corresponding path program 1 times [2024-11-08 16:28:18,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:28:18,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245882772] [2024-11-08 16:28:18,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:28:18,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:28:18,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:28:18,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:28:18,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:28:18,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245882772] [2024-11-08 16:28:18,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [245882772] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:28:18,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:28:18,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 16:28:18,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711881560] [2024-11-08 16:28:18,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:28:18,699 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 16:28:18,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:28:18,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 16:28:18,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-08 16:28:18,700 INFO L87 Difference]: Start difference. First operand 646 states and 942 transitions. Second operand has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 6 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:28:18,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:28:18,779 INFO L93 Difference]: Finished difference Result 1496 states and 2175 transitions. [2024-11-08 16:28:18,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 16:28:18,780 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 6 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2024-11-08 16:28:18,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:28:18,782 INFO L225 Difference]: With dead ends: 1496 [2024-11-08 16:28:18,783 INFO L226 Difference]: Without dead ends: 900 [2024-11-08 16:28:18,786 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-08 16:28:18,786 INFO L432 NwaCegarLoop]: 364 mSDtfsCounter, 208 mSDsluCounter, 1037 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 1401 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 16:28:18,787 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [208 Valid, 1401 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 16:28:18,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 900 states. [2024-11-08 16:28:18,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 900 to 650. [2024-11-08 16:28:18,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 650 states, 649 states have (on average 1.4576271186440677) internal successors, (946), 649 states have internal predecessors, (946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:28:18,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 650 states and 946 transitions. [2024-11-08 16:28:18,805 INFO L78 Accepts]: Start accepts. Automaton has 650 states and 946 transitions. Word has length 82 [2024-11-08 16:28:18,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:28:18,806 INFO L471 AbstractCegarLoop]: Abstraction has 650 states and 946 transitions. [2024-11-08 16:28:18,806 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 6 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:28:18,806 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 946 transitions. [2024-11-08 16:28:18,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-08 16:28:18,807 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:28:18,807 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:28:18,808 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-08 16:28:18,808 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:28:18,808 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:28:18,808 INFO L85 PathProgramCache]: Analyzing trace with hash 1536549053, now seen corresponding path program 1 times [2024-11-08 16:28:18,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:28:18,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482912901] [2024-11-08 16:28:18,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:28:18,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:28:19,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:28:19,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:28:19,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:28:19,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482912901] [2024-11-08 16:28:19,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482912901] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:28:19,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:28:19,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 16:28:19,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885144381] [2024-11-08 16:28:19,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:28:19,850 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 16:28:19,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:28:19,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 16:28:19,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-08 16:28:19,851 INFO L87 Difference]: Start difference. First operand 650 states and 946 transitions. Second operand has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 7 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:28:20,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:28:20,735 INFO L93 Difference]: Finished difference Result 1486 states and 2163 transitions. [2024-11-08 16:28:20,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 16:28:20,735 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 7 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2024-11-08 16:28:20,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:28:20,739 INFO L225 Difference]: With dead ends: 1486 [2024-11-08 16:28:20,739 INFO L226 Difference]: Without dead ends: 890 [2024-11-08 16:28:20,740 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-08 16:28:20,741 INFO L432 NwaCegarLoop]: 182 mSDtfsCounter, 658 mSDsluCounter, 539 mSDsCounter, 0 mSdLazyCounter, 776 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 658 SdHoareTripleChecker+Valid, 721 SdHoareTripleChecker+Invalid, 777 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 776 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-08 16:28:20,741 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [658 Valid, 721 Invalid, 777 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 776 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-08 16:28:20,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 890 states. [2024-11-08 16:28:20,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 890 to 726. [2024-11-08 16:28:20,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 726 states, 725 states have (on average 1.456551724137931) internal successors, (1056), 725 states have internal predecessors, (1056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:28:20,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 726 states to 726 states and 1056 transitions. [2024-11-08 16:28:20,763 INFO L78 Accepts]: Start accepts. Automaton has 726 states and 1056 transitions. Word has length 83 [2024-11-08 16:28:20,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:28:20,763 INFO L471 AbstractCegarLoop]: Abstraction has 726 states and 1056 transitions. [2024-11-08 16:28:20,763 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 7 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:28:20,763 INFO L276 IsEmpty]: Start isEmpty. Operand 726 states and 1056 transitions. [2024-11-08 16:28:20,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-08 16:28:20,765 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:28:20,765 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:28:20,765 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-08 16:28:20,766 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:28:20,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:28:20,766 INFO L85 PathProgramCache]: Analyzing trace with hash -1266613190, now seen corresponding path program 1 times [2024-11-08 16:28:20,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:28:20,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833473672] [2024-11-08 16:28:20,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:28:20,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:28:21,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:28:21,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:28:21,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:28:21,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833473672] [2024-11-08 16:28:21,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833473672] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:28:21,327 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:28:21,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 16:28:21,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075867815] [2024-11-08 16:28:21,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:28:21,328 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 16:28:21,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:28:21,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 16:28:21,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-08 16:28:21,329 INFO L87 Difference]: Start difference. First operand 726 states and 1056 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:28:21,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:28:21,753 INFO L93 Difference]: Finished difference Result 1436 states and 2094 transitions. [2024-11-08 16:28:21,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 16:28:21,754 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2024-11-08 16:28:21,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:28:21,755 INFO L225 Difference]: With dead ends: 1436 [2024-11-08 16:28:21,755 INFO L226 Difference]: Without dead ends: 764 [2024-11-08 16:28:21,756 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-08 16:28:21,757 INFO L432 NwaCegarLoop]: 360 mSDtfsCounter, 29 mSDsluCounter, 710 mSDsCounter, 0 mSdLazyCounter, 479 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 1070 SdHoareTripleChecker+Invalid, 480 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 479 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 16:28:21,757 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 1070 Invalid, 480 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 479 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 16:28:21,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 764 states. [2024-11-08 16:28:21,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 764 to 722. [2024-11-08 16:28:21,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 722 states, 721 states have (on average 1.4590846047156727) internal successors, (1052), 721 states have internal predecessors, (1052), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:28:21,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 722 states and 1052 transitions. [2024-11-08 16:28:21,775 INFO L78 Accepts]: Start accepts. Automaton has 722 states and 1052 transitions. Word has length 83 [2024-11-08 16:28:21,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:28:21,775 INFO L471 AbstractCegarLoop]: Abstraction has 722 states and 1052 transitions. [2024-11-08 16:28:21,776 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:28:21,776 INFO L276 IsEmpty]: Start isEmpty. Operand 722 states and 1052 transitions. [2024-11-08 16:28:21,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-08 16:28:21,777 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:28:21,777 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:28:21,777 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-08 16:28:21,778 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:28:21,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:28:21,778 INFO L85 PathProgramCache]: Analyzing trace with hash -603276549, now seen corresponding path program 1 times [2024-11-08 16:28:21,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:28:21,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750683363] [2024-11-08 16:28:21,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:28:21,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:28:21,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:28:22,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:28:22,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:28:22,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750683363] [2024-11-08 16:28:22,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750683363] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:28:22,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:28:22,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 16:28:22,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850105348] [2024-11-08 16:28:22,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:28:22,306 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 16:28:22,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:28:22,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 16:28:22,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-08 16:28:22,307 INFO L87 Difference]: Start difference. First operand 722 states and 1052 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:28:22,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:28:22,964 INFO L93 Difference]: Finished difference Result 1466 states and 2142 transitions. [2024-11-08 16:28:22,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 16:28:22,965 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2024-11-08 16:28:22,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:28:22,967 INFO L225 Difference]: With dead ends: 1466 [2024-11-08 16:28:22,967 INFO L226 Difference]: Without dead ends: 798 [2024-11-08 16:28:22,968 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-08 16:28:22,969 INFO L432 NwaCegarLoop]: 367 mSDtfsCounter, 27 mSDsluCounter, 892 mSDsCounter, 0 mSdLazyCounter, 719 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 1259 SdHoareTripleChecker+Invalid, 720 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 719 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-08 16:28:22,969 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 1259 Invalid, 720 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 719 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-08 16:28:22,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 798 states. [2024-11-08 16:28:22,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 798 to 738. [2024-11-08 16:28:22,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 738 states, 737 states have (on average 1.4545454545454546) internal successors, (1072), 737 states have internal predecessors, (1072), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:28:22,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 738 states to 738 states and 1072 transitions. [2024-11-08 16:28:22,986 INFO L78 Accepts]: Start accepts. Automaton has 738 states and 1072 transitions. Word has length 83 [2024-11-08 16:28:22,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:28:22,987 INFO L471 AbstractCegarLoop]: Abstraction has 738 states and 1072 transitions. [2024-11-08 16:28:22,987 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:28:22,987 INFO L276 IsEmpty]: Start isEmpty. Operand 738 states and 1072 transitions. [2024-11-08 16:28:22,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-08 16:28:22,988 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:28:22,988 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:28:22,989 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-08 16:28:22,989 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:28:22,989 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:28:22,989 INFO L85 PathProgramCache]: Analyzing trace with hash -1878059587, now seen corresponding path program 1 times [2024-11-08 16:28:22,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:28:22,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979640189] [2024-11-08 16:28:22,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:28:22,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:28:23,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:28:23,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:28:23,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:28:23,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979640189] [2024-11-08 16:28:23,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979640189] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:28:23,775 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:28:23,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:28:23,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929222826] [2024-11-08 16:28:23,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:28:23,776 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 16:28:23,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:28:23,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 16:28:23,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-08 16:28:23,777 INFO L87 Difference]: Start difference. First operand 738 states and 1072 transitions. Second operand has 8 states, 8 states have (on average 10.5) internal successors, (84), 8 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:28:24,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:28:24,776 INFO L93 Difference]: Finished difference Result 1594 states and 2313 transitions. [2024-11-08 16:28:24,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 16:28:24,777 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.5) internal successors, (84), 8 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2024-11-08 16:28:24,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:28:24,778 INFO L225 Difference]: With dead ends: 1594 [2024-11-08 16:28:24,779 INFO L226 Difference]: Without dead ends: 910 [2024-11-08 16:28:24,779 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2024-11-08 16:28:24,780 INFO L432 NwaCegarLoop]: 176 mSDtfsCounter, 685 mSDsluCounter, 875 mSDsCounter, 0 mSdLazyCounter, 1196 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 685 SdHoareTripleChecker+Valid, 1051 SdHoareTripleChecker+Invalid, 1197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-08 16:28:24,780 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [685 Valid, 1051 Invalid, 1197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1196 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-08 16:28:24,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 910 states. [2024-11-08 16:28:24,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 910 to 752. [2024-11-08 16:28:24,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 752 states, 751 states have (on average 1.4487350199733688) internal successors, (1088), 751 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:28:24,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 752 states and 1088 transitions. [2024-11-08 16:28:24,800 INFO L78 Accepts]: Start accepts. Automaton has 752 states and 1088 transitions. Word has length 84 [2024-11-08 16:28:24,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:28:24,800 INFO L471 AbstractCegarLoop]: Abstraction has 752 states and 1088 transitions. [2024-11-08 16:28:24,801 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.5) internal successors, (84), 8 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:28:24,801 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 1088 transitions. [2024-11-08 16:28:24,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-08 16:28:24,802 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:28:24,802 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:28:24,802 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-08 16:28:24,802 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:28:24,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:28:24,803 INFO L85 PathProgramCache]: Analyzing trace with hash 933259133, now seen corresponding path program 1 times [2024-11-08 16:28:24,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:28:24,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430124178] [2024-11-08 16:28:24,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:28:24,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:28:25,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:28:25,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:28:25,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:28:25,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430124178] [2024-11-08 16:28:25,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1430124178] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:28:25,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:28:25,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:28:25,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747953995] [2024-11-08 16:28:25,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:28:25,454 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 16:28:25,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:28:25,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 16:28:25,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-08 16:28:25,454 INFO L87 Difference]: Start difference. First operand 752 states and 1088 transitions. Second operand has 8 states, 8 states have (on average 10.5) internal successors, (84), 8 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:28:26,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:28:26,400 INFO L93 Difference]: Finished difference Result 1608 states and 2325 transitions. [2024-11-08 16:28:26,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 16:28:26,401 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.5) internal successors, (84), 8 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2024-11-08 16:28:26,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:28:26,402 INFO L225 Difference]: With dead ends: 1608 [2024-11-08 16:28:26,403 INFO L226 Difference]: Without dead ends: 910 [2024-11-08 16:28:26,403 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2024-11-08 16:28:26,404 INFO L432 NwaCegarLoop]: 176 mSDtfsCounter, 731 mSDsluCounter, 701 mSDsCounter, 0 mSdLazyCounter, 995 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 731 SdHoareTripleChecker+Valid, 877 SdHoareTripleChecker+Invalid, 996 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 995 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-08 16:28:26,404 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [731 Valid, 877 Invalid, 996 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 995 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-08 16:28:26,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 910 states. [2024-11-08 16:28:26,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 910 to 752. [2024-11-08 16:28:26,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 752 states, 751 states have (on average 1.4420772303595206) internal successors, (1083), 751 states have internal predecessors, (1083), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:28:26,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 752 states and 1083 transitions. [2024-11-08 16:28:26,423 INFO L78 Accepts]: Start accepts. Automaton has 752 states and 1083 transitions. Word has length 84 [2024-11-08 16:28:26,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:28:26,423 INFO L471 AbstractCegarLoop]: Abstraction has 752 states and 1083 transitions. [2024-11-08 16:28:26,423 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.5) internal successors, (84), 8 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:28:26,423 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 1083 transitions. [2024-11-08 16:28:26,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-08 16:28:26,424 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:28:26,425 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:28:26,425 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-08 16:28:26,425 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:28:26,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:28:26,425 INFO L85 PathProgramCache]: Analyzing trace with hash 339305598, now seen corresponding path program 1 times [2024-11-08 16:28:26,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:28:26,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279755868] [2024-11-08 16:28:26,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:28:26,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:28:26,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:28:26,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:28:26,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:28:26,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279755868] [2024-11-08 16:28:26,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [279755868] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:28:26,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:28:26,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 16:28:26,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572693127] [2024-11-08 16:28:26,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:28:26,923 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 16:28:26,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:28:26,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 16:28:26,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-08 16:28:26,924 INFO L87 Difference]: Start difference. First operand 752 states and 1083 transitions. Second operand has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 6 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:28:27,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:28:27,356 INFO L93 Difference]: Finished difference Result 1480 states and 2136 transitions. [2024-11-08 16:28:27,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 16:28:27,356 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 6 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2024-11-08 16:28:27,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:28:27,359 INFO L225 Difference]: With dead ends: 1480 [2024-11-08 16:28:27,359 INFO L226 Difference]: Without dead ends: 782 [2024-11-08 16:28:27,360 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-08 16:28:27,361 INFO L432 NwaCegarLoop]: 356 mSDtfsCounter, 24 mSDsluCounter, 706 mSDsCounter, 0 mSdLazyCounter, 473 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 1062 SdHoareTripleChecker+Invalid, 474 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 16:28:27,361 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 1062 Invalid, 474 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 473 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 16:28:27,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 782 states. [2024-11-08 16:28:27,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 782 to 760. [2024-11-08 16:28:27,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 760 states, 759 states have (on average 1.4400527009222661) internal successors, (1093), 759 states have internal predecessors, (1093), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:28:27,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 760 states to 760 states and 1093 transitions. [2024-11-08 16:28:27,379 INFO L78 Accepts]: Start accepts. Automaton has 760 states and 1093 transitions. Word has length 85 [2024-11-08 16:28:27,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:28:27,379 INFO L471 AbstractCegarLoop]: Abstraction has 760 states and 1093 transitions. [2024-11-08 16:28:27,380 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 6 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:28:27,380 INFO L276 IsEmpty]: Start isEmpty. Operand 760 states and 1093 transitions. [2024-11-08 16:28:27,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-08 16:28:27,381 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:28:27,381 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:28:27,381 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-08 16:28:27,381 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:28:27,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:28:27,382 INFO L85 PathProgramCache]: Analyzing trace with hash 1592248863, now seen corresponding path program 1 times [2024-11-08 16:28:27,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:28:27,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800674715] [2024-11-08 16:28:27,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:28:27,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:28:27,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:28:27,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:28:27,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:28:27,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800674715] [2024-11-08 16:28:27,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1800674715] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:28:27,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:28:27,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 16:28:27,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592390404] [2024-11-08 16:28:27,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:28:27,925 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 16:28:27,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:28:27,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 16:28:27,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-08 16:28:27,926 INFO L87 Difference]: Start difference. First operand 760 states and 1093 transitions. Second operand has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 6 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:28:28,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:28:28,579 INFO L93 Difference]: Finished difference Result 1526 states and 2200 transitions. [2024-11-08 16:28:28,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 16:28:28,580 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 6 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2024-11-08 16:28:28,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:28:28,583 INFO L225 Difference]: With dead ends: 1526 [2024-11-08 16:28:28,583 INFO L226 Difference]: Without dead ends: 820 [2024-11-08 16:28:28,584 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-08 16:28:28,585 INFO L432 NwaCegarLoop]: 366 mSDtfsCounter, 24 mSDsluCounter, 891 mSDsCounter, 0 mSdLazyCounter, 713 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 1257 SdHoareTripleChecker+Invalid, 714 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 713 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-08 16:28:28,590 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 1257 Invalid, 714 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 713 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-08 16:28:28,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 820 states. [2024-11-08 16:28:28,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 820 to 776. [2024-11-08 16:28:28,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 776 states, 775 states have (on average 1.4361290322580644) internal successors, (1113), 775 states have internal predecessors, (1113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:28:28,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 776 states to 776 states and 1113 transitions. [2024-11-08 16:28:28,610 INFO L78 Accepts]: Start accepts. Automaton has 776 states and 1113 transitions. Word has length 85 [2024-11-08 16:28:28,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:28:28,610 INFO L471 AbstractCegarLoop]: Abstraction has 776 states and 1113 transitions. [2024-11-08 16:28:28,610 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 6 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:28:28,610 INFO L276 IsEmpty]: Start isEmpty. Operand 776 states and 1113 transitions. [2024-11-08 16:28:28,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-08 16:28:28,612 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:28:28,612 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:28:28,612 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-08 16:28:28,612 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:28:28,613 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:28:28,613 INFO L85 PathProgramCache]: Analyzing trace with hash -2114908384, now seen corresponding path program 1 times [2024-11-08 16:28:28,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:28:28,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340248146] [2024-11-08 16:28:28,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:28:28,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:28:28,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:28:29,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:28:29,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:28:29,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340248146] [2024-11-08 16:28:29,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340248146] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:28:29,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:28:29,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 16:28:29,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334883081] [2024-11-08 16:28:29,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:28:29,648 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:28:29,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:28:29,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:28:29,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:28:29,649 INFO L87 Difference]: Start difference. First operand 776 states and 1113 transitions. Second operand has 9 states, 9 states have (on average 9.555555555555555) internal successors, (86), 9 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:28:31,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:28:31,077 INFO L93 Difference]: Finished difference Result 1664 states and 2385 transitions. [2024-11-08 16:28:31,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 16:28:31,077 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.555555555555555) internal successors, (86), 9 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2024-11-08 16:28:31,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:28:31,081 INFO L225 Difference]: With dead ends: 1664 [2024-11-08 16:28:31,081 INFO L226 Difference]: Without dead ends: 942 [2024-11-08 16:28:31,082 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2024-11-08 16:28:31,083 INFO L432 NwaCegarLoop]: 176 mSDtfsCounter, 676 mSDsluCounter, 1049 mSDsCounter, 0 mSdLazyCounter, 1397 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 676 SdHoareTripleChecker+Valid, 1225 SdHoareTripleChecker+Invalid, 1398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1397 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-08 16:28:31,083 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [676 Valid, 1225 Invalid, 1398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1397 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-08 16:28:31,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 942 states. [2024-11-08 16:28:31,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 942 to 792. [2024-11-08 16:28:31,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 792 states, 791 states have (on average 1.429835651074589) internal successors, (1131), 791 states have internal predecessors, (1131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:28:31,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 792 states and 1131 transitions. [2024-11-08 16:28:31,102 INFO L78 Accepts]: Start accepts. Automaton has 792 states and 1131 transitions. Word has length 86 [2024-11-08 16:28:31,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:28:31,102 INFO L471 AbstractCegarLoop]: Abstraction has 792 states and 1131 transitions. [2024-11-08 16:28:31,102 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.555555555555555) internal successors, (86), 9 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:28:31,103 INFO L276 IsEmpty]: Start isEmpty. Operand 792 states and 1131 transitions. [2024-11-08 16:28:31,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-08 16:28:31,104 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:28:31,104 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:28:31,104 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-08 16:28:31,104 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:28:31,105 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:28:31,105 INFO L85 PathProgramCache]: Analyzing trace with hash 1633038912, now seen corresponding path program 1 times [2024-11-08 16:28:31,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:28:31,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661112466] [2024-11-08 16:28:31,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:28:31,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:28:31,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:28:31,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:28:31,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:28:31,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661112466] [2024-11-08 16:28:31,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [661112466] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:28:31,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:28:31,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:28:31,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232675890] [2024-11-08 16:28:31,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:28:31,829 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 16:28:31,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:28:31,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 16:28:31,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-08 16:28:31,830 INFO L87 Difference]: Start difference. First operand 792 states and 1131 transitions. Second operand has 8 states, 8 states have (on average 10.75) internal successors, (86), 8 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:28:32,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:28:32,969 INFO L93 Difference]: Finished difference Result 1680 states and 2399 transitions. [2024-11-08 16:28:32,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 16:28:32,970 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.75) internal successors, (86), 8 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2024-11-08 16:28:32,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:28:32,971 INFO L225 Difference]: With dead ends: 1680 [2024-11-08 16:28:32,971 INFO L226 Difference]: Without dead ends: 942 [2024-11-08 16:28:32,972 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2024-11-08 16:28:32,973 INFO L432 NwaCegarLoop]: 225 mSDtfsCounter, 599 mSDsluCounter, 1070 mSDsCounter, 0 mSdLazyCounter, 1418 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 599 SdHoareTripleChecker+Valid, 1295 SdHoareTripleChecker+Invalid, 1419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1418 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-08 16:28:32,973 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [599 Valid, 1295 Invalid, 1419 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1418 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-08 16:28:32,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 942 states. [2024-11-08 16:28:32,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 942 to 792. [2024-11-08 16:28:32,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 792 states, 791 states have (on average 1.4235145385587864) internal successors, (1126), 791 states have internal predecessors, (1126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:28:32,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 792 states and 1126 transitions. [2024-11-08 16:28:32,992 INFO L78 Accepts]: Start accepts. Automaton has 792 states and 1126 transitions. Word has length 86 [2024-11-08 16:28:32,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:28:32,993 INFO L471 AbstractCegarLoop]: Abstraction has 792 states and 1126 transitions. [2024-11-08 16:28:32,993 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.75) internal successors, (86), 8 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:28:32,993 INFO L276 IsEmpty]: Start isEmpty. Operand 792 states and 1126 transitions. [2024-11-08 16:28:32,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-08 16:28:32,994 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:28:32,994 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:28:32,994 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-08 16:28:32,995 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:28:32,995 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:28:32,995 INFO L85 PathProgramCache]: Analyzing trace with hash -804657052, now seen corresponding path program 1 times [2024-11-08 16:28:32,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:28:32,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548256738] [2024-11-08 16:28:32,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:28:32,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:28:33,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:28:33,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:28:33,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:28:33,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548256738] [2024-11-08 16:28:33,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [548256738] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:28:33,556 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:28:33,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 16:28:33,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123028297] [2024-11-08 16:28:33,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:28:33,556 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 16:28:33,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:28:33,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 16:28:33,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 16:28:33,557 INFO L87 Difference]: Start difference. First operand 792 states and 1126 transitions. Second operand has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 6 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:28:34,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:28:34,266 INFO L93 Difference]: Finished difference Result 1572 states and 2234 transitions. [2024-11-08 16:28:34,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 16:28:34,267 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 6 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2024-11-08 16:28:34,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:28:34,269 INFO L225 Difference]: With dead ends: 1572 [2024-11-08 16:28:34,269 INFO L226 Difference]: Without dead ends: 834 [2024-11-08 16:28:34,270 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:28:34,271 INFO L432 NwaCegarLoop]: 185 mSDtfsCounter, 361 mSDsluCounter, 535 mSDsCounter, 0 mSdLazyCounter, 850 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 361 SdHoareTripleChecker+Valid, 720 SdHoareTripleChecker+Invalid, 850 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 850 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-08 16:28:34,271 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [361 Valid, 720 Invalid, 850 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 850 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-08 16:28:34,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 834 states. [2024-11-08 16:28:34,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 834 to 820. [2024-11-08 16:28:34,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 820 states, 819 states have (on average 1.4163614163614164) internal successors, (1160), 819 states have internal predecessors, (1160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:28:34,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 820 states to 820 states and 1160 transitions. [2024-11-08 16:28:34,288 INFO L78 Accepts]: Start accepts. Automaton has 820 states and 1160 transitions. Word has length 86 [2024-11-08 16:28:34,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:28:34,289 INFO L471 AbstractCegarLoop]: Abstraction has 820 states and 1160 transitions. [2024-11-08 16:28:34,289 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 6 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:28:34,289 INFO L276 IsEmpty]: Start isEmpty. Operand 820 states and 1160 transitions. [2024-11-08 16:28:34,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-08 16:28:34,290 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:28:34,290 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:28:34,291 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-08 16:28:34,291 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:28:34,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:28:34,291 INFO L85 PathProgramCache]: Analyzing trace with hash -940076638, now seen corresponding path program 1 times [2024-11-08 16:28:34,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:28:34,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177365839] [2024-11-08 16:28:34,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:28:34,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:28:34,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:28:34,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:28:34,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:28:34,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177365839] [2024-11-08 16:28:34,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1177365839] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:28:34,791 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:28:34,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 16:28:34,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394016982] [2024-11-08 16:28:34,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:28:34,792 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 16:28:34,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:28:34,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 16:28:34,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-08 16:28:34,793 INFO L87 Difference]: Start difference. First operand 820 states and 1160 transitions. Second operand has 6 states, 6 states have (on average 14.5) internal successors, (87), 6 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:28:35,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:28:35,264 INFO L93 Difference]: Finished difference Result 1608 states and 2278 transitions. [2024-11-08 16:28:35,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 16:28:35,265 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.5) internal successors, (87), 6 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2024-11-08 16:28:35,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:28:35,267 INFO L225 Difference]: With dead ends: 1608 [2024-11-08 16:28:35,267 INFO L226 Difference]: Without dead ends: 842 [2024-11-08 16:28:35,268 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-08 16:28:35,269 INFO L432 NwaCegarLoop]: 352 mSDtfsCounter, 19 mSDsluCounter, 702 mSDsCounter, 0 mSdLazyCounter, 493 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 1054 SdHoareTripleChecker+Invalid, 494 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 493 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 16:28:35,269 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 1054 Invalid, 494 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 493 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 16:28:35,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 842 states. [2024-11-08 16:28:35,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 842 to 828. [2024-11-08 16:28:35,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 828 states, 827 states have (on average 1.414752116082225) internal successors, (1170), 827 states have internal predecessors, (1170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:28:35,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 828 states and 1170 transitions. [2024-11-08 16:28:35,290 INFO L78 Accepts]: Start accepts. Automaton has 828 states and 1170 transitions. Word has length 87 [2024-11-08 16:28:35,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:28:35,290 INFO L471 AbstractCegarLoop]: Abstraction has 828 states and 1170 transitions. [2024-11-08 16:28:35,291 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.5) internal successors, (87), 6 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:28:35,291 INFO L276 IsEmpty]: Start isEmpty. Operand 828 states and 1170 transitions. [2024-11-08 16:28:35,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-08 16:28:35,292 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:28:35,292 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:28:35,292 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-08 16:28:35,293 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:28:35,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:28:35,293 INFO L85 PathProgramCache]: Analyzing trace with hash -172575197, now seen corresponding path program 1 times [2024-11-08 16:28:35,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:28:35,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443944083] [2024-11-08 16:28:35,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:28:35,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:28:35,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:28:35,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:28:35,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:28:35,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443944083] [2024-11-08 16:28:35,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443944083] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:28:35,888 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:28:35,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 16:28:35,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118763427] [2024-11-08 16:28:35,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:28:35,889 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 16:28:35,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:28:35,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 16:28:35,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-08 16:28:35,890 INFO L87 Difference]: Start difference. First operand 828 states and 1170 transitions. Second operand has 6 states, 6 states have (on average 14.5) internal successors, (87), 6 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:28:36,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:28:36,393 INFO L93 Difference]: Finished difference Result 1646 states and 2330 transitions. [2024-11-08 16:28:36,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 16:28:36,394 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.5) internal successors, (87), 6 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2024-11-08 16:28:36,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:28:36,395 INFO L225 Difference]: With dead ends: 1646 [2024-11-08 16:28:36,395 INFO L226 Difference]: Without dead ends: 872 [2024-11-08 16:28:36,396 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-08 16:28:36,397 INFO L432 NwaCegarLoop]: 365 mSDtfsCounter, 19 mSDsluCounter, 714 mSDsCounter, 0 mSdLazyCounter, 513 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 1079 SdHoareTripleChecker+Invalid, 514 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 513 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 16:28:36,397 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 1079 Invalid, 514 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 513 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 16:28:36,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 872 states. [2024-11-08 16:28:36,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 872 to 816. [2024-11-08 16:28:36,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 816 states, 815 states have (on average 1.4184049079754601) internal successors, (1156), 815 states have internal predecessors, (1156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:28:36,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 816 states and 1156 transitions. [2024-11-08 16:28:36,420 INFO L78 Accepts]: Start accepts. Automaton has 816 states and 1156 transitions. Word has length 87 [2024-11-08 16:28:36,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:28:36,420 INFO L471 AbstractCegarLoop]: Abstraction has 816 states and 1156 transitions. [2024-11-08 16:28:36,421 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.5) internal successors, (87), 6 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:28:36,421 INFO L276 IsEmpty]: Start isEmpty. Operand 816 states and 1156 transitions. [2024-11-08 16:28:36,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-08 16:28:36,422 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:28:36,422 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:28:36,422 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-08 16:28:36,422 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:28:36,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:28:36,423 INFO L85 PathProgramCache]: Analyzing trace with hash -1675296830, now seen corresponding path program 1 times [2024-11-08 16:28:36,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:28:36,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596853144] [2024-11-08 16:28:36,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:28:36,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:28:36,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:28:37,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:28:37,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:28:37,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596853144] [2024-11-08 16:28:37,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [596853144] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:28:37,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:28:37,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 16:28:37,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122362672] [2024-11-08 16:28:37,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:28:37,099 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 16:28:37,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:28:37,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 16:28:37,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 16:28:37,100 INFO L87 Difference]: Start difference. First operand 816 states and 1156 transitions. Second operand has 6 states, 6 states have (on average 14.5) internal successors, (87), 6 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:28:38,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:28:38,022 INFO L93 Difference]: Finished difference Result 1620 states and 2292 transitions. [2024-11-08 16:28:38,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 16:28:38,023 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.5) internal successors, (87), 6 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2024-11-08 16:28:38,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:28:38,028 INFO L225 Difference]: With dead ends: 1620 [2024-11-08 16:28:38,028 INFO L226 Difference]: Without dead ends: 858 [2024-11-08 16:28:38,029 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:28:38,029 INFO L432 NwaCegarLoop]: 185 mSDtfsCounter, 357 mSDsluCounter, 535 mSDsCounter, 0 mSdLazyCounter, 847 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 357 SdHoareTripleChecker+Valid, 720 SdHoareTripleChecker+Invalid, 847 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 847 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-08 16:28:38,030 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [357 Valid, 720 Invalid, 847 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 847 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-08 16:28:38,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 858 states. [2024-11-08 16:28:38,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 858 to 852. [2024-11-08 16:28:38,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 852 states, 851 states have (on average 1.4101057579318448) internal successors, (1200), 851 states have internal predecessors, (1200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:28:38,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 852 states to 852 states and 1200 transitions. [2024-11-08 16:28:38,050 INFO L78 Accepts]: Start accepts. Automaton has 852 states and 1200 transitions. Word has length 87 [2024-11-08 16:28:38,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:28:38,050 INFO L471 AbstractCegarLoop]: Abstraction has 852 states and 1200 transitions. [2024-11-08 16:28:38,051 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.5) internal successors, (87), 6 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:28:38,051 INFO L276 IsEmpty]: Start isEmpty. Operand 852 states and 1200 transitions. [2024-11-08 16:28:38,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-08 16:28:38,051 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:28:38,052 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:28:38,052 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-08 16:28:38,052 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:28:38,052 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:28:38,053 INFO L85 PathProgramCache]: Analyzing trace with hash 40301923, now seen corresponding path program 1 times [2024-11-08 16:28:38,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:28:38,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447916856] [2024-11-08 16:28:38,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:28:38,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:28:38,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:28:39,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:28:39,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:28:39,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447916856] [2024-11-08 16:28:39,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447916856] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:28:39,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:28:39,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 16:28:39,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566559516] [2024-11-08 16:28:39,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:28:39,044 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:28:39,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:28:39,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:28:39,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:28:39,045 INFO L87 Difference]: Start difference. First operand 852 states and 1200 transitions. Second operand has 9 states, 9 states have (on average 9.777777777777779) internal successors, (88), 9 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:28:40,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:28:40,119 INFO L93 Difference]: Finished difference Result 1808 states and 2547 transitions. [2024-11-08 16:28:40,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 16:28:40,119 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.777777777777779) internal successors, (88), 9 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 88 [2024-11-08 16:28:40,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:28:40,122 INFO L225 Difference]: With dead ends: 1808 [2024-11-08 16:28:40,122 INFO L226 Difference]: Without dead ends: 1010 [2024-11-08 16:28:40,122 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2024-11-08 16:28:40,123 INFO L432 NwaCegarLoop]: 176 mSDtfsCounter, 667 mSDsluCounter, 875 mSDsCounter, 0 mSdLazyCounter, 1225 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 667 SdHoareTripleChecker+Valid, 1051 SdHoareTripleChecker+Invalid, 1227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:28:40,123 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [667 Valid, 1051 Invalid, 1227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1225 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-08 16:28:40,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1010 states. [2024-11-08 16:28:40,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1010 to 868. [2024-11-08 16:28:40,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 868 states, 867 states have (on average 1.4048442906574394) internal successors, (1218), 867 states have internal predecessors, (1218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:28:40,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 868 states to 868 states and 1218 transitions. [2024-11-08 16:28:40,139 INFO L78 Accepts]: Start accepts. Automaton has 868 states and 1218 transitions. Word has length 88 [2024-11-08 16:28:40,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:28:40,140 INFO L471 AbstractCegarLoop]: Abstraction has 868 states and 1218 transitions. [2024-11-08 16:28:40,140 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.777777777777779) internal successors, (88), 9 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:28:40,140 INFO L276 IsEmpty]: Start isEmpty. Operand 868 states and 1218 transitions. [2024-11-08 16:28:40,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-08 16:28:40,141 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:28:40,141 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:28:40,141 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-08 16:28:40,142 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:28:40,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:28:40,142 INFO L85 PathProgramCache]: Analyzing trace with hash 739371491, now seen corresponding path program 1 times [2024-11-08 16:28:40,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:28:40,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380253505] [2024-11-08 16:28:40,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:28:40,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:28:40,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:28:40,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:28:40,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:28:40,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380253505] [2024-11-08 16:28:40,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1380253505] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:28:40,751 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:28:40,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:28:40,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047489228] [2024-11-08 16:28:40,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:28:40,752 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 16:28:40,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:28:40,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 16:28:40,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-08 16:28:40,753 INFO L87 Difference]: Start difference. First operand 868 states and 1218 transitions. Second operand has 8 states, 8 states have (on average 11.0) internal successors, (88), 8 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:28:41,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:28:41,855 INFO L93 Difference]: Finished difference Result 1824 states and 2561 transitions. [2024-11-08 16:28:41,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 16:28:41,856 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.0) internal successors, (88), 8 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 88 [2024-11-08 16:28:41,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:28:41,858 INFO L225 Difference]: With dead ends: 1824 [2024-11-08 16:28:41,858 INFO L226 Difference]: Without dead ends: 1010 [2024-11-08 16:28:41,859 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2024-11-08 16:28:41,859 INFO L432 NwaCegarLoop]: 224 mSDtfsCounter, 595 mSDsluCounter, 1066 mSDsCounter, 0 mSdLazyCounter, 1398 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 595 SdHoareTripleChecker+Valid, 1290 SdHoareTripleChecker+Invalid, 1399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1398 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:28:41,859 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [595 Valid, 1290 Invalid, 1399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1398 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-08 16:28:41,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1010 states. [2024-11-08 16:28:41,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1010 to 868. [2024-11-08 16:28:41,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 868 states, 867 states have (on average 1.3990772779700116) internal successors, (1213), 867 states have internal predecessors, (1213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:28:41,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 868 states to 868 states and 1213 transitions. [2024-11-08 16:28:41,877 INFO L78 Accepts]: Start accepts. Automaton has 868 states and 1213 transitions. Word has length 88 [2024-11-08 16:28:41,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:28:41,878 INFO L471 AbstractCegarLoop]: Abstraction has 868 states and 1213 transitions. [2024-11-08 16:28:41,878 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.0) internal successors, (88), 8 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:28:41,878 INFO L276 IsEmpty]: Start isEmpty. Operand 868 states and 1213 transitions. [2024-11-08 16:28:41,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-08 16:28:41,879 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:28:41,880 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:28:41,880 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-08 16:28:41,880 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:28:41,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:28:41,880 INFO L85 PathProgramCache]: Analyzing trace with hash 981898507, now seen corresponding path program 1 times [2024-11-08 16:28:41,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:28:41,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206150997] [2024-11-08 16:28:41,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:28:41,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:28:42,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:28:42,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:28:42,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:28:42,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206150997] [2024-11-08 16:28:42,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [206150997] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:28:42,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:28:42,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 16:28:42,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443555520] [2024-11-08 16:28:42,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:28:42,698 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 16:28:42,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:28:42,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 16:28:42,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 16:28:42,699 INFO L87 Difference]: Start difference. First operand 868 states and 1213 transitions. Second operand has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 6 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:28:43,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:28:43,592 INFO L93 Difference]: Finished difference Result 1694 states and 2370 transitions. [2024-11-08 16:28:43,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 16:28:43,594 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 6 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 88 [2024-11-08 16:28:43,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:28:43,596 INFO L225 Difference]: With dead ends: 1694 [2024-11-08 16:28:43,596 INFO L226 Difference]: Without dead ends: 880 [2024-11-08 16:28:43,597 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:28:43,597 INFO L432 NwaCegarLoop]: 185 mSDtfsCounter, 355 mSDsluCounter, 535 mSDsCounter, 0 mSdLazyCounter, 860 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 355 SdHoareTripleChecker+Valid, 720 SdHoareTripleChecker+Invalid, 860 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 860 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-08 16:28:43,598 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [355 Valid, 720 Invalid, 860 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 860 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-08 16:28:43,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 880 states. [2024-11-08 16:28:43,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 880 to 876. [2024-11-08 16:28:43,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 876 states, 875 states have (on average 1.3977142857142857) internal successors, (1223), 875 states have internal predecessors, (1223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:28:43,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 876 states and 1223 transitions. [2024-11-08 16:28:43,616 INFO L78 Accepts]: Start accepts. Automaton has 876 states and 1223 transitions. Word has length 88 [2024-11-08 16:28:43,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:28:43,617 INFO L471 AbstractCegarLoop]: Abstraction has 876 states and 1223 transitions. [2024-11-08 16:28:43,617 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 6 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:28:43,617 INFO L276 IsEmpty]: Start isEmpty. Operand 876 states and 1223 transitions. [2024-11-08 16:28:43,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-08 16:28:43,618 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:28:43,619 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:28:43,619 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-08 16:28:43,619 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:28:43,620 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:28:43,620 INFO L85 PathProgramCache]: Analyzing trace with hash -55494809, now seen corresponding path program 1 times [2024-11-08 16:28:43,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:28:43,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625464973] [2024-11-08 16:28:43,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:28:43,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:28:43,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:28:44,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:28:44,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:28:44,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625464973] [2024-11-08 16:28:44,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [625464973] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:28:44,193 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:28:44,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 16:28:44,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090742410] [2024-11-08 16:28:44,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:28:44,193 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 16:28:44,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:28:44,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 16:28:44,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 16:28:44,195 INFO L87 Difference]: Start difference. First operand 876 states and 1223 transitions. Second operand has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 6 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:28:44,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:28:44,900 INFO L93 Difference]: Finished difference Result 1786 states and 2488 transitions. [2024-11-08 16:28:44,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 16:28:44,901 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 6 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 88 [2024-11-08 16:28:44,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:28:44,903 INFO L225 Difference]: With dead ends: 1786 [2024-11-08 16:28:44,904 INFO L226 Difference]: Without dead ends: 964 [2024-11-08 16:28:44,904 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:28:44,905 INFO L432 NwaCegarLoop]: 185 mSDtfsCounter, 354 mSDsluCounter, 535 mSDsCounter, 0 mSdLazyCounter, 841 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 354 SdHoareTripleChecker+Valid, 720 SdHoareTripleChecker+Invalid, 841 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 841 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-08 16:28:44,905 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [354 Valid, 720 Invalid, 841 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 841 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-08 16:28:44,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 964 states. [2024-11-08 16:28:44,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 964 to 924. [2024-11-08 16:28:44,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 924 states, 923 states have (on average 1.3943661971830985) internal successors, (1287), 923 states have internal predecessors, (1287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:28:44,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 924 states and 1287 transitions. [2024-11-08 16:28:44,922 INFO L78 Accepts]: Start accepts. Automaton has 924 states and 1287 transitions. Word has length 88 [2024-11-08 16:28:44,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:28:44,922 INFO L471 AbstractCegarLoop]: Abstraction has 924 states and 1287 transitions. [2024-11-08 16:28:44,922 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 6 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:28:44,923 INFO L276 IsEmpty]: Start isEmpty. Operand 924 states and 1287 transitions. [2024-11-08 16:28:44,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-08 16:28:44,924 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:28:44,924 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:28:44,924 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-08 16:28:44,924 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:28:44,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:28:44,925 INFO L85 PathProgramCache]: Analyzing trace with hash -669660250, now seen corresponding path program 1 times [2024-11-08 16:28:44,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:28:44,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995106431] [2024-11-08 16:28:44,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:28:44,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:28:45,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:28:45,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:28:45,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:28:45,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995106431] [2024-11-08 16:28:45,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995106431] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:28:45,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:28:45,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 16:28:45,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116086499] [2024-11-08 16:28:45,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:28:45,467 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 16:28:45,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:28:45,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 16:28:45,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-08 16:28:45,468 INFO L87 Difference]: Start difference. First operand 924 states and 1287 transitions. Second operand has 6 states, 6 states have (on average 14.833333333333334) internal successors, (89), 6 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:28:45,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:28:45,940 INFO L93 Difference]: Finished difference Result 1808 states and 2520 transitions. [2024-11-08 16:28:45,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 16:28:45,941 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.833333333333334) internal successors, (89), 6 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 89 [2024-11-08 16:28:45,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:28:45,944 INFO L225 Difference]: With dead ends: 1808 [2024-11-08 16:28:45,944 INFO L226 Difference]: Without dead ends: 938 [2024-11-08 16:28:45,945 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-08 16:28:45,946 INFO L432 NwaCegarLoop]: 348 mSDtfsCounter, 14 mSDsluCounter, 698 mSDsCounter, 0 mSdLazyCounter, 458 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 1046 SdHoareTripleChecker+Invalid, 459 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 458 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 16:28:45,946 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 1046 Invalid, 459 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 458 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 16:28:45,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 938 states. [2024-11-08 16:28:45,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 938 to 932. [2024-11-08 16:28:45,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 932 states, 931 states have (on average 1.39312567132116) internal successors, (1297), 931 states have internal predecessors, (1297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:28:45,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 932 states to 932 states and 1297 transitions. [2024-11-08 16:28:45,963 INFO L78 Accepts]: Start accepts. Automaton has 932 states and 1297 transitions. Word has length 89 [2024-11-08 16:28:45,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:28:45,964 INFO L471 AbstractCegarLoop]: Abstraction has 932 states and 1297 transitions. [2024-11-08 16:28:45,964 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.833333333333334) internal successors, (89), 6 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:28:45,964 INFO L276 IsEmpty]: Start isEmpty. Operand 932 states and 1297 transitions. [2024-11-08 16:28:45,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-08 16:28:45,965 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:28:45,965 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:28:45,966 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-08 16:28:45,966 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:28:45,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:28:45,966 INFO L85 PathProgramCache]: Analyzing trace with hash 1484766983, now seen corresponding path program 1 times [2024-11-08 16:28:45,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:28:45,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551351228] [2024-11-08 16:28:45,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:28:45,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:28:46,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:28:46,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:28:46,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:28:46,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551351228] [2024-11-08 16:28:46,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [551351228] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:28:46,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:28:46,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:28:46,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220584736] [2024-11-08 16:28:46,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:28:46,695 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 16:28:46,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:28:46,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 16:28:46,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-08 16:28:46,696 INFO L87 Difference]: Start difference. First operand 932 states and 1297 transitions. Second operand has 8 states, 8 states have (on average 11.125) internal successors, (89), 8 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:28:47,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:28:47,689 INFO L93 Difference]: Finished difference Result 1960 states and 2729 transitions. [2024-11-08 16:28:47,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 16:28:47,690 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.125) internal successors, (89), 8 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 89 [2024-11-08 16:28:47,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:28:47,692 INFO L225 Difference]: With dead ends: 1960 [2024-11-08 16:28:47,693 INFO L226 Difference]: Without dead ends: 1082 [2024-11-08 16:28:47,694 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2024-11-08 16:28:47,694 INFO L432 NwaCegarLoop]: 223 mSDtfsCounter, 608 mSDsluCounter, 841 mSDsCounter, 0 mSdLazyCounter, 1141 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 608 SdHoareTripleChecker+Valid, 1064 SdHoareTripleChecker+Invalid, 1142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-08 16:28:47,695 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [608 Valid, 1064 Invalid, 1142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1141 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-08 16:28:47,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1082 states. [2024-11-08 16:28:47,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1082 to 932. [2024-11-08 16:28:47,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 932 states, 931 states have (on average 1.3899033297529537) internal successors, (1294), 931 states have internal predecessors, (1294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:28:47,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 932 states to 932 states and 1294 transitions. [2024-11-08 16:28:47,714 INFO L78 Accepts]: Start accepts. Automaton has 932 states and 1294 transitions. Word has length 89 [2024-11-08 16:28:47,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:28:47,715 INFO L471 AbstractCegarLoop]: Abstraction has 932 states and 1294 transitions. [2024-11-08 16:28:47,715 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.125) internal successors, (89), 8 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:28:47,715 INFO L276 IsEmpty]: Start isEmpty. Operand 932 states and 1294 transitions. [2024-11-08 16:28:47,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-08 16:28:47,716 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:28:47,717 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:28:47,717 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-08 16:28:47,717 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:28:47,717 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:28:47,718 INFO L85 PathProgramCache]: Analyzing trace with hash 686454665, now seen corresponding path program 1 times [2024-11-08 16:28:47,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:28:47,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308588756] [2024-11-08 16:28:47,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:28:47,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:28:48,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:28:52,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:28:52,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:28:52,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308588756] [2024-11-08 16:28:52,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308588756] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:28:52,020 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:28:52,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-08 16:28:52,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845619846] [2024-11-08 16:28:52,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:28:52,021 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-08 16:28:52,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:28:52,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-08 16:28:52,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2024-11-08 16:28:52,022 INFO L87 Difference]: Start difference. First operand 932 states and 1294 transitions. Second operand has 17 states, 17 states have (on average 5.235294117647059) internal successors, (89), 17 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:28:56,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:28:56,160 INFO L93 Difference]: Finished difference Result 2844 states and 3934 transitions. [2024-11-08 16:28:56,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-08 16:28:56,161 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 5.235294117647059) internal successors, (89), 17 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 89 [2024-11-08 16:28:56,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:28:56,166 INFO L225 Difference]: With dead ends: 2844 [2024-11-08 16:28:56,167 INFO L226 Difference]: Without dead ends: 1966 [2024-11-08 16:28:56,168 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=144, Invalid=726, Unknown=0, NotChecked=0, Total=870 [2024-11-08 16:28:56,169 INFO L432 NwaCegarLoop]: 230 mSDtfsCounter, 1356 mSDsluCounter, 2214 mSDsCounter, 0 mSdLazyCounter, 3538 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1356 SdHoareTripleChecker+Valid, 2444 SdHoareTripleChecker+Invalid, 3559 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 3538 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2024-11-08 16:28:56,169 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1356 Valid, 2444 Invalid, 3559 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 3538 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2024-11-08 16:28:56,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1966 states. [2024-11-08 16:28:56,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1966 to 1040. [2024-11-08 16:28:56,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1040 states, 1039 states have (on average 1.3859480269489894) internal successors, (1440), 1039 states have internal predecessors, (1440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:28:56,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1040 states to 1040 states and 1440 transitions. [2024-11-08 16:28:56,189 INFO L78 Accepts]: Start accepts. Automaton has 1040 states and 1440 transitions. Word has length 89 [2024-11-08 16:28:56,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:28:56,189 INFO L471 AbstractCegarLoop]: Abstraction has 1040 states and 1440 transitions. [2024-11-08 16:28:56,189 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 5.235294117647059) internal successors, (89), 17 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:28:56,190 INFO L276 IsEmpty]: Start isEmpty. Operand 1040 states and 1440 transitions. [2024-11-08 16:28:56,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-08 16:28:56,191 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:28:56,191 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:28:56,191 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-08 16:28:56,192 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:28:56,192 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:28:56,192 INFO L85 PathProgramCache]: Analyzing trace with hash 1646947747, now seen corresponding path program 1 times [2024-11-08 16:28:56,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:28:56,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912186861] [2024-11-08 16:28:56,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:28:56,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:28:56,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:28:56,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:28:56,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:28:56,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912186861] [2024-11-08 16:28:56,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912186861] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:28:56,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:28:56,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 16:28:56,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666181078] [2024-11-08 16:28:56,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:28:56,823 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 16:28:56,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:28:56,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 16:28:56,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-08 16:28:56,824 INFO L87 Difference]: Start difference. First operand 1040 states and 1440 transitions. Second operand has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 7 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:28:57,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:28:57,688 INFO L93 Difference]: Finished difference Result 2092 states and 2896 transitions. [2024-11-08 16:28:57,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 16:28:57,689 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 7 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 89 [2024-11-08 16:28:57,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:28:57,690 INFO L225 Difference]: With dead ends: 2092 [2024-11-08 16:28:57,691 INFO L226 Difference]: Without dead ends: 1106 [2024-11-08 16:28:57,691 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-11-08 16:28:57,692 INFO L432 NwaCegarLoop]: 185 mSDtfsCounter, 356 mSDsluCounter, 710 mSDsCounter, 0 mSdLazyCounter, 1056 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 356 SdHoareTripleChecker+Valid, 895 SdHoareTripleChecker+Invalid, 1058 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1056 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-08 16:28:57,692 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [356 Valid, 895 Invalid, 1058 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1056 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-08 16:28:57,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1106 states. [2024-11-08 16:28:57,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1106 to 1036. [2024-11-08 16:28:57,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1036 states, 1035 states have (on average 1.3835748792270532) internal successors, (1432), 1035 states have internal predecessors, (1432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:28:57,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1036 states to 1036 states and 1432 transitions. [2024-11-08 16:28:57,707 INFO L78 Accepts]: Start accepts. Automaton has 1036 states and 1432 transitions. Word has length 89 [2024-11-08 16:28:57,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:28:57,708 INFO L471 AbstractCegarLoop]: Abstraction has 1036 states and 1432 transitions. [2024-11-08 16:28:57,708 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 7 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:28:57,708 INFO L276 IsEmpty]: Start isEmpty. Operand 1036 states and 1432 transitions. [2024-11-08 16:28:57,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-08 16:28:57,709 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:28:57,709 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:28:57,710 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-08 16:28:57,710 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:28:57,710 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:28:57,710 INFO L85 PathProgramCache]: Analyzing trace with hash -343846394, now seen corresponding path program 1 times [2024-11-08 16:28:57,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:28:57,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222664136] [2024-11-08 16:28:57,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:28:57,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:28:57,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:28:58,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:28:58,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:28:58,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222664136] [2024-11-08 16:28:58,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222664136] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:28:58,354 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:28:58,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 16:28:58,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791194217] [2024-11-08 16:28:58,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:28:58,354 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 16:28:58,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:28:58,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 16:28:58,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 16:28:58,356 INFO L87 Difference]: Start difference. First operand 1036 states and 1432 transitions. Second operand has 6 states, 6 states have (on average 14.833333333333334) internal successors, (89), 6 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:28:59,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:28:59,073 INFO L93 Difference]: Finished difference Result 2134 states and 2936 transitions. [2024-11-08 16:28:59,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 16:28:59,073 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.833333333333334) internal successors, (89), 6 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 89 [2024-11-08 16:28:59,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:28:59,075 INFO L225 Difference]: With dead ends: 2134 [2024-11-08 16:28:59,076 INFO L226 Difference]: Without dead ends: 1152 [2024-11-08 16:28:59,077 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:28:59,078 INFO L432 NwaCegarLoop]: 185 mSDtfsCounter, 352 mSDsluCounter, 535 mSDsCounter, 0 mSdLazyCounter, 854 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 352 SdHoareTripleChecker+Valid, 720 SdHoareTripleChecker+Invalid, 854 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 854 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-08 16:28:59,078 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [352 Valid, 720 Invalid, 854 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 854 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-08 16:28:59,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1152 states. [2024-11-08 16:28:59,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1152 to 1048. [2024-11-08 16:28:59,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1048 states, 1047 states have (on average 1.384909264565425) internal successors, (1450), 1047 states have internal predecessors, (1450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:28:59,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1048 states to 1048 states and 1450 transitions. [2024-11-08 16:28:59,098 INFO L78 Accepts]: Start accepts. Automaton has 1048 states and 1450 transitions. Word has length 89 [2024-11-08 16:28:59,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:28:59,098 INFO L471 AbstractCegarLoop]: Abstraction has 1048 states and 1450 transitions. [2024-11-08 16:28:59,099 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.833333333333334) internal successors, (89), 6 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:28:59,099 INFO L276 IsEmpty]: Start isEmpty. Operand 1048 states and 1450 transitions. [2024-11-08 16:28:59,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-08 16:28:59,100 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:28:59,100 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:28:59,100 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-08 16:28:59,100 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:28:59,101 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:28:59,101 INFO L85 PathProgramCache]: Analyzing trace with hash -802738814, now seen corresponding path program 1 times [2024-11-08 16:28:59,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:28:59,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596232897] [2024-11-08 16:28:59,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:28:59,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:28:59,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:28:59,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:28:59,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:28:59,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596232897] [2024-11-08 16:28:59,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [596232897] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:28:59,544 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:28:59,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 16:28:59,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856412985] [2024-11-08 16:28:59,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:28:59,545 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 16:28:59,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:28:59,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 16:28:59,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-08 16:28:59,545 INFO L87 Difference]: Start difference. First operand 1048 states and 1450 transitions. Second operand has 6 states, 6 states have (on average 14.833333333333334) internal successors, (89), 6 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:28:59,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:28:59,881 INFO L93 Difference]: Finished difference Result 2405 states and 3302 transitions. [2024-11-08 16:28:59,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 16:28:59,881 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.833333333333334) internal successors, (89), 6 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 89 [2024-11-08 16:28:59,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:28:59,883 INFO L225 Difference]: With dead ends: 2405 [2024-11-08 16:28:59,884 INFO L226 Difference]: Without dead ends: 1403 [2024-11-08 16:28:59,885 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-08 16:28:59,886 INFO L432 NwaCegarLoop]: 364 mSDtfsCounter, 209 mSDsluCounter, 1210 mSDsCounter, 0 mSdLazyCounter, 252 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 209 SdHoareTripleChecker+Valid, 1574 SdHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 16:28:59,886 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [209 Valid, 1574 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 252 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 16:28:59,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1403 states. [2024-11-08 16:28:59,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1403 to 1040. [2024-11-08 16:28:59,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1040 states, 1039 states have (on average 1.3859480269489894) internal successors, (1440), 1039 states have internal predecessors, (1440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:28:59,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1040 states to 1040 states and 1440 transitions. [2024-11-08 16:28:59,905 INFO L78 Accepts]: Start accepts. Automaton has 1040 states and 1440 transitions. Word has length 89 [2024-11-08 16:28:59,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:28:59,905 INFO L471 AbstractCegarLoop]: Abstraction has 1040 states and 1440 transitions. [2024-11-08 16:28:59,905 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.833333333333334) internal successors, (89), 6 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:28:59,906 INFO L276 IsEmpty]: Start isEmpty. Operand 1040 states and 1440 transitions. [2024-11-08 16:28:59,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-08 16:28:59,906 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:28:59,906 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:28:59,906 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-08 16:28:59,907 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:28:59,907 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:28:59,907 INFO L85 PathProgramCache]: Analyzing trace with hash -1790248826, now seen corresponding path program 1 times [2024-11-08 16:28:59,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:28:59,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2373502] [2024-11-08 16:28:59,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:28:59,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:29:00,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:29:00,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:29:00,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:29:00,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2373502] [2024-11-08 16:29:00,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2373502] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:29:00,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:29:00,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 16:29:00,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137952012] [2024-11-08 16:29:00,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:29:00,738 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 16:29:00,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:29:00,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 16:29:00,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-08 16:29:00,743 INFO L87 Difference]: Start difference. First operand 1040 states and 1440 transitions. Second operand has 6 states, 6 states have (on average 15.0) internal successors, (90), 6 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:29:01,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:29:01,269 INFO L93 Difference]: Finished difference Result 2042 states and 2828 transitions. [2024-11-08 16:29:01,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 16:29:01,269 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.0) internal successors, (90), 6 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2024-11-08 16:29:01,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:29:01,271 INFO L225 Difference]: With dead ends: 2042 [2024-11-08 16:29:01,271 INFO L226 Difference]: Without dead ends: 1048 [2024-11-08 16:29:01,272 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-08 16:29:01,272 INFO L432 NwaCegarLoop]: 342 mSDtfsCounter, 10 mSDsluCounter, 692 mSDsCounter, 0 mSdLazyCounter, 464 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 1034 SdHoareTripleChecker+Invalid, 465 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 464 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 16:29:01,273 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 1034 Invalid, 465 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 464 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 16:29:01,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1048 states. [2024-11-08 16:29:01,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1048 to 1048. [2024-11-08 16:29:01,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1048 states, 1047 states have (on average 1.384909264565425) internal successors, (1450), 1047 states have internal predecessors, (1450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:29:01,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1048 states to 1048 states and 1450 transitions. [2024-11-08 16:29:01,287 INFO L78 Accepts]: Start accepts. Automaton has 1048 states and 1450 transitions. Word has length 90 [2024-11-08 16:29:01,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:29:01,287 INFO L471 AbstractCegarLoop]: Abstraction has 1048 states and 1450 transitions. [2024-11-08 16:29:01,287 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.0) internal successors, (90), 6 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:29:01,288 INFO L276 IsEmpty]: Start isEmpty. Operand 1048 states and 1450 transitions. [2024-11-08 16:29:01,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-08 16:29:01,289 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:29:01,289 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:29:01,289 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-11-08 16:29:01,289 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:29:01,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:29:01,289 INFO L85 PathProgramCache]: Analyzing trace with hash 1566668802, now seen corresponding path program 1 times [2024-11-08 16:29:01,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:29:01,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086381217] [2024-11-08 16:29:01,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:29:01,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:29:01,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:29:01,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:29:01,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:29:01,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086381217] [2024-11-08 16:29:01,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1086381217] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:29:01,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:29:01,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 16:29:01,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109084456] [2024-11-08 16:29:01,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:29:01,951 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 16:29:01,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:29:01,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 16:29:01,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-08 16:29:01,952 INFO L87 Difference]: Start difference. First operand 1048 states and 1450 transitions. Second operand has 6 states, 6 states have (on average 15.0) internal successors, (90), 6 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:29:02,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:29:02,444 INFO L93 Difference]: Finished difference Result 2100 states and 2902 transitions. [2024-11-08 16:29:02,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 16:29:02,444 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.0) internal successors, (90), 6 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2024-11-08 16:29:02,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:29:02,446 INFO L225 Difference]: With dead ends: 2100 [2024-11-08 16:29:02,446 INFO L226 Difference]: Without dead ends: 1098 [2024-11-08 16:29:02,448 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-08 16:29:02,448 INFO L432 NwaCegarLoop]: 363 mSDtfsCounter, 13 mSDsluCounter, 712 mSDsCounter, 0 mSdLazyCounter, 507 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 1075 SdHoareTripleChecker+Invalid, 508 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 507 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 16:29:02,448 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 1075 Invalid, 508 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 507 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 16:29:02,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1098 states. [2024-11-08 16:29:02,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1098 to 1044. [2024-11-08 16:29:02,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1044 states, 1043 states have (on average 1.3844678811121764) internal successors, (1444), 1043 states have internal predecessors, (1444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:29:02,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1044 states to 1044 states and 1444 transitions. [2024-11-08 16:29:02,458 INFO L78 Accepts]: Start accepts. Automaton has 1044 states and 1444 transitions. Word has length 90 [2024-11-08 16:29:02,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:29:02,459 INFO L471 AbstractCegarLoop]: Abstraction has 1044 states and 1444 transitions. [2024-11-08 16:29:02,459 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.0) internal successors, (90), 6 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:29:02,459 INFO L276 IsEmpty]: Start isEmpty. Operand 1044 states and 1444 transitions. [2024-11-08 16:29:02,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-08 16:29:02,460 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:29:02,460 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:29:02,460 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-11-08 16:29:02,460 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:29:02,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:29:02,461 INFO L85 PathProgramCache]: Analyzing trace with hash 892265290, now seen corresponding path program 1 times [2024-11-08 16:29:02,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:29:02,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083133400] [2024-11-08 16:29:02,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:29:02,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:29:02,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:29:03,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:29:03,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:29:03,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083133400] [2024-11-08 16:29:03,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1083133400] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:29:03,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:29:03,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 16:29:03,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54321785] [2024-11-08 16:29:03,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:29:03,016 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 16:29:03,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:29:03,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 16:29:03,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 16:29:03,017 INFO L87 Difference]: Start difference. First operand 1044 states and 1444 transitions. Second operand has 6 states, 6 states have (on average 15.0) internal successors, (90), 6 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:29:03,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:29:03,620 INFO L93 Difference]: Finished difference Result 2114 states and 2918 transitions. [2024-11-08 16:29:03,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 16:29:03,620 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.0) internal successors, (90), 6 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2024-11-08 16:29:03,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:29:03,622 INFO L225 Difference]: With dead ends: 2114 [2024-11-08 16:29:03,622 INFO L226 Difference]: Without dead ends: 1116 [2024-11-08 16:29:03,623 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:29:03,623 INFO L432 NwaCegarLoop]: 185 mSDtfsCounter, 344 mSDsluCounter, 535 mSDsCounter, 0 mSdLazyCounter, 839 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 344 SdHoareTripleChecker+Valid, 720 SdHoareTripleChecker+Invalid, 839 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 839 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-08 16:29:03,623 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [344 Valid, 720 Invalid, 839 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 839 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-08 16:29:03,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2024-11-08 16:29:03,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 1032. [2024-11-08 16:29:03,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1032 states, 1031 states have (on average 1.3831231813773035) internal successors, (1426), 1031 states have internal predecessors, (1426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:29:03,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 1032 states and 1426 transitions. [2024-11-08 16:29:03,634 INFO L78 Accepts]: Start accepts. Automaton has 1032 states and 1426 transitions. Word has length 90 [2024-11-08 16:29:03,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:29:03,634 INFO L471 AbstractCegarLoop]: Abstraction has 1032 states and 1426 transitions. [2024-11-08 16:29:03,634 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.0) internal successors, (90), 6 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:29:03,634 INFO L276 IsEmpty]: Start isEmpty. Operand 1032 states and 1426 transitions. [2024-11-08 16:29:03,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-08 16:29:03,635 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:29:03,636 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:29:03,636 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-11-08 16:29:03,636 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:29:03,636 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:29:03,636 INFO L85 PathProgramCache]: Analyzing trace with hash -1756931602, now seen corresponding path program 1 times [2024-11-08 16:29:03,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:29:03,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337456692] [2024-11-08 16:29:03,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:29:03,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:29:04,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:29:04,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:29:04,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:29:04,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337456692] [2024-11-08 16:29:04,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1337456692] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:29:04,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:29:04,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:29:04,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587124913] [2024-11-08 16:29:04,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:29:04,607 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 16:29:04,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:29:04,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 16:29:04,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-08 16:29:04,608 INFO L87 Difference]: Start difference. First operand 1032 states and 1426 transitions. Second operand has 8 states, 8 states have (on average 11.25) internal successors, (90), 8 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:29:05,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:29:05,540 INFO L93 Difference]: Finished difference Result 2028 states and 2798 transitions. [2024-11-08 16:29:05,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 16:29:05,540 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.25) internal successors, (90), 8 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2024-11-08 16:29:05,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:29:05,542 INFO L225 Difference]: With dead ends: 2028 [2024-11-08 16:29:05,542 INFO L226 Difference]: Without dead ends: 1042 [2024-11-08 16:29:05,543 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2024-11-08 16:29:05,544 INFO L432 NwaCegarLoop]: 179 mSDtfsCounter, 391 mSDsluCounter, 530 mSDsCounter, 0 mSdLazyCounter, 787 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 391 SdHoareTripleChecker+Valid, 709 SdHoareTripleChecker+Invalid, 789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 787 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-08 16:29:05,544 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [391 Valid, 709 Invalid, 789 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 787 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-08 16:29:05,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1042 states. [2024-11-08 16:29:05,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1042 to 1016. [2024-11-08 16:29:05,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1016 states, 1015 states have (on average 1.3793103448275863) internal successors, (1400), 1015 states have internal predecessors, (1400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:29:05,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1016 states to 1016 states and 1400 transitions. [2024-11-08 16:29:05,556 INFO L78 Accepts]: Start accepts. Automaton has 1016 states and 1400 transitions. Word has length 90 [2024-11-08 16:29:05,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:29:05,556 INFO L471 AbstractCegarLoop]: Abstraction has 1016 states and 1400 transitions. [2024-11-08 16:29:05,556 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.25) internal successors, (90), 8 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:29:05,556 INFO L276 IsEmpty]: Start isEmpty. Operand 1016 states and 1400 transitions. [2024-11-08 16:29:05,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-08 16:29:05,557 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:29:05,558 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:29:05,558 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2024-11-08 16:29:05,558 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:29:05,559 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:29:05,559 INFO L85 PathProgramCache]: Analyzing trace with hash -1307876851, now seen corresponding path program 1 times [2024-11-08 16:29:05,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:29:05,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469755619] [2024-11-08 16:29:05,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:29:05,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:29:05,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:29:06,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:29:06,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:29:06,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469755619] [2024-11-08 16:29:06,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [469755619] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:29:06,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:29:06,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:29:06,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508051543] [2024-11-08 16:29:06,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:29:06,345 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 16:29:06,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:29:06,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 16:29:06,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-08 16:29:06,346 INFO L87 Difference]: Start difference. First operand 1016 states and 1400 transitions. Second operand has 8 states, 8 states have (on average 11.375) internal successors, (91), 8 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:29:07,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:29:07,153 INFO L93 Difference]: Finished difference Result 2028 states and 2788 transitions. [2024-11-08 16:29:07,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 16:29:07,154 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 8 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2024-11-08 16:29:07,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:29:07,155 INFO L225 Difference]: With dead ends: 2028 [2024-11-08 16:29:07,155 INFO L226 Difference]: Without dead ends: 1058 [2024-11-08 16:29:07,156 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-11-08 16:29:07,157 INFO L432 NwaCegarLoop]: 179 mSDtfsCounter, 365 mSDsluCounter, 706 mSDsCounter, 0 mSdLazyCounter, 986 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 365 SdHoareTripleChecker+Valid, 885 SdHoareTripleChecker+Invalid, 988 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 986 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-08 16:29:07,157 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [365 Valid, 885 Invalid, 988 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 986 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-08 16:29:07,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1058 states. [2024-11-08 16:29:07,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1058 to 1046. [2024-11-08 16:29:07,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1046 states, 1045 states have (on average 1.3722488038277512) internal successors, (1434), 1045 states have internal predecessors, (1434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:29:07,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1046 states to 1046 states and 1434 transitions. [2024-11-08 16:29:07,173 INFO L78 Accepts]: Start accepts. Automaton has 1046 states and 1434 transitions. Word has length 91 [2024-11-08 16:29:07,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:29:07,174 INFO L471 AbstractCegarLoop]: Abstraction has 1046 states and 1434 transitions. [2024-11-08 16:29:07,174 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 8 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:29:07,174 INFO L276 IsEmpty]: Start isEmpty. Operand 1046 states and 1434 transitions. [2024-11-08 16:29:07,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-08 16:29:07,175 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:29:07,175 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:29:07,176 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2024-11-08 16:29:07,176 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:29:07,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:29:07,176 INFO L85 PathProgramCache]: Analyzing trace with hash -1596382005, now seen corresponding path program 1 times [2024-11-08 16:29:07,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:29:07,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657400306] [2024-11-08 16:29:07,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:29:07,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:29:07,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:29:07,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:29:07,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:29:07,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657400306] [2024-11-08 16:29:07,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657400306] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:29:07,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:29:07,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:29:07,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323174274] [2024-11-08 16:29:07,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:29:07,749 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 16:29:07,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:29:07,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 16:29:07,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-08 16:29:07,750 INFO L87 Difference]: Start difference. First operand 1046 states and 1434 transitions. Second operand has 8 states, 8 states have (on average 11.375) internal successors, (91), 8 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:29:08,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:29:08,747 INFO L93 Difference]: Finished difference Result 2204 states and 3019 transitions. [2024-11-08 16:29:08,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 16:29:08,751 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 8 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2024-11-08 16:29:08,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:29:08,753 INFO L225 Difference]: With dead ends: 2204 [2024-11-08 16:29:08,753 INFO L226 Difference]: Without dead ends: 1204 [2024-11-08 16:29:08,755 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2024-11-08 16:29:08,755 INFO L432 NwaCegarLoop]: 222 mSDtfsCounter, 589 mSDsluCounter, 1058 mSDsCounter, 0 mSdLazyCounter, 1358 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 589 SdHoareTripleChecker+Valid, 1280 SdHoareTripleChecker+Invalid, 1359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1358 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-08 16:29:08,755 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [589 Valid, 1280 Invalid, 1359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1358 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-08 16:29:08,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1204 states. [2024-11-08 16:29:08,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1204 to 1046. [2024-11-08 16:29:08,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1046 states, 1045 states have (on average 1.369377990430622) internal successors, (1431), 1045 states have internal predecessors, (1431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:29:08,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1046 states to 1046 states and 1431 transitions. [2024-11-08 16:29:08,772 INFO L78 Accepts]: Start accepts. Automaton has 1046 states and 1431 transitions. Word has length 91 [2024-11-08 16:29:08,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:29:08,772 INFO L471 AbstractCegarLoop]: Abstraction has 1046 states and 1431 transitions. [2024-11-08 16:29:08,773 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 8 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:29:08,773 INFO L276 IsEmpty]: Start isEmpty. Operand 1046 states and 1431 transitions. [2024-11-08 16:29:08,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-08 16:29:08,774 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:29:08,774 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:29:08,774 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2024-11-08 16:29:08,774 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:29:08,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:29:08,775 INFO L85 PathProgramCache]: Analyzing trace with hash -2092175062, now seen corresponding path program 1 times [2024-11-08 16:29:08,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:29:08,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014603830] [2024-11-08 16:29:08,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:29:08,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:29:09,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:29:09,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:29:09,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:29:09,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014603830] [2024-11-08 16:29:09,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014603830] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:29:09,472 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:29:09,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:29:09,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573110417] [2024-11-08 16:29:09,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:29:09,473 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 16:29:09,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:29:09,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 16:29:09,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-08 16:29:09,474 INFO L87 Difference]: Start difference. First operand 1046 states and 1431 transitions. Second operand has 8 states, 8 states have (on average 11.375) internal successors, (91), 8 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:29:10,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:29:10,350 INFO L93 Difference]: Finished difference Result 2034 states and 2780 transitions. [2024-11-08 16:29:10,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 16:29:10,350 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 8 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2024-11-08 16:29:10,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:29:10,352 INFO L225 Difference]: With dead ends: 2034 [2024-11-08 16:29:10,352 INFO L226 Difference]: Without dead ends: 1034 [2024-11-08 16:29:10,353 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-08 16:29:10,354 INFO L432 NwaCegarLoop]: 179 mSDtfsCounter, 384 mSDsluCounter, 881 mSDsCounter, 0 mSdLazyCounter, 1187 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 384 SdHoareTripleChecker+Valid, 1060 SdHoareTripleChecker+Invalid, 1188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-08 16:29:10,354 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [384 Valid, 1060 Invalid, 1188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1187 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-08 16:29:10,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1034 states. [2024-11-08 16:29:10,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1034 to 1034. [2024-11-08 16:29:10,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1034 states, 1033 states have (on average 1.3639883833494675) internal successors, (1409), 1033 states have internal predecessors, (1409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:29:10,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 1034 states and 1409 transitions. [2024-11-08 16:29:10,369 INFO L78 Accepts]: Start accepts. Automaton has 1034 states and 1409 transitions. Word has length 91 [2024-11-08 16:29:10,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:29:10,369 INFO L471 AbstractCegarLoop]: Abstraction has 1034 states and 1409 transitions. [2024-11-08 16:29:10,370 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 8 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:29:10,370 INFO L276 IsEmpty]: Start isEmpty. Operand 1034 states and 1409 transitions. [2024-11-08 16:29:10,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-08 16:29:10,371 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:29:10,371 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:29:10,371 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2024-11-08 16:29:10,371 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:29:10,371 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:29:10,372 INFO L85 PathProgramCache]: Analyzing trace with hash -2049880057, now seen corresponding path program 1 times [2024-11-08 16:29:10,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:29:10,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126286339] [2024-11-08 16:29:10,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:29:10,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:29:10,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:29:10,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:29:10,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:29:10,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126286339] [2024-11-08 16:29:10,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1126286339] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:29:10,972 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:29:10,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 16:29:10,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103227709] [2024-11-08 16:29:10,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:29:10,973 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 16:29:10,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:29:10,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 16:29:10,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-11-08 16:29:10,973 INFO L87 Difference]: Start difference. First operand 1034 states and 1409 transitions. Second operand has 7 states, 7 states have (on average 13.0) internal successors, (91), 7 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:29:11,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:29:11,721 INFO L93 Difference]: Finished difference Result 2038 states and 2776 transitions. [2024-11-08 16:29:11,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 16:29:11,722 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 7 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2024-11-08 16:29:11,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:29:11,723 INFO L225 Difference]: With dead ends: 2038 [2024-11-08 16:29:11,724 INFO L226 Difference]: Without dead ends: 1050 [2024-11-08 16:29:11,725 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-08 16:29:11,725 INFO L432 NwaCegarLoop]: 185 mSDtfsCounter, 378 mSDsluCounter, 707 mSDsCounter, 0 mSdLazyCounter, 1055 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 378 SdHoareTripleChecker+Valid, 892 SdHoareTripleChecker+Invalid, 1057 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1055 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-08 16:29:11,725 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [378 Valid, 892 Invalid, 1057 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1055 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-08 16:29:11,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1050 states. [2024-11-08 16:29:11,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1050 to 1022. [2024-11-08 16:29:11,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1022 states, 1021 states have (on average 1.3643486777668952) internal successors, (1393), 1021 states have internal predecessors, (1393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:29:11,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1022 states to 1022 states and 1393 transitions. [2024-11-08 16:29:11,744 INFO L78 Accepts]: Start accepts. Automaton has 1022 states and 1393 transitions. Word has length 91 [2024-11-08 16:29:11,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:29:11,745 INFO L471 AbstractCegarLoop]: Abstraction has 1022 states and 1393 transitions. [2024-11-08 16:29:11,745 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 7 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:29:11,745 INFO L276 IsEmpty]: Start isEmpty. Operand 1022 states and 1393 transitions. [2024-11-08 16:29:11,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-08 16:29:11,746 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:29:11,746 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:29:11,746 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2024-11-08 16:29:11,746 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:29:11,747 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:29:11,747 INFO L85 PathProgramCache]: Analyzing trace with hash 1610958985, now seen corresponding path program 1 times [2024-11-08 16:29:11,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:29:11,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127177809] [2024-11-08 16:29:11,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:29:11,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:29:12,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:29:14,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:29:14,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:29:14,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127177809] [2024-11-08 16:29:14,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127177809] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:29:14,604 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:29:14,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-08 16:29:14,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958560514] [2024-11-08 16:29:14,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:29:14,605 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 16:29:14,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:29:14,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 16:29:14,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2024-11-08 16:29:14,607 INFO L87 Difference]: Start difference. First operand 1022 states and 1393 transitions. Second operand has 12 states, 12 states have (on average 7.666666666666667) internal successors, (92), 12 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:29:16,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:29:16,543 INFO L93 Difference]: Finished difference Result 2750 states and 3769 transitions. [2024-11-08 16:29:16,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-08 16:29:16,545 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.666666666666667) internal successors, (92), 12 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2024-11-08 16:29:16,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:29:16,548 INFO L225 Difference]: With dead ends: 2750 [2024-11-08 16:29:16,548 INFO L226 Difference]: Without dead ends: 1656 [2024-11-08 16:29:16,550 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=181, Invalid=631, Unknown=0, NotChecked=0, Total=812 [2024-11-08 16:29:16,550 INFO L432 NwaCegarLoop]: 509 mSDtfsCounter, 1134 mSDsluCounter, 2464 mSDsCounter, 0 mSdLazyCounter, 1309 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1134 SdHoareTripleChecker+Valid, 2973 SdHoareTripleChecker+Invalid, 1349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 1309 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-08 16:29:16,550 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1134 Valid, 2973 Invalid, 1349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 1309 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-08 16:29:16,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1656 states. [2024-11-08 16:29:16,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1656 to 1282. [2024-11-08 16:29:16,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1282 states, 1281 states have (on average 1.3450429352068696) internal successors, (1723), 1281 states have internal predecessors, (1723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:29:16,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1282 states to 1282 states and 1723 transitions. [2024-11-08 16:29:16,569 INFO L78 Accepts]: Start accepts. Automaton has 1282 states and 1723 transitions. Word has length 92 [2024-11-08 16:29:16,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:29:16,569 INFO L471 AbstractCegarLoop]: Abstraction has 1282 states and 1723 transitions. [2024-11-08 16:29:16,569 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.666666666666667) internal successors, (92), 12 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:29:16,569 INFO L276 IsEmpty]: Start isEmpty. Operand 1282 states and 1723 transitions. [2024-11-08 16:29:16,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-08 16:29:16,570 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:29:16,570 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:29:16,571 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2024-11-08 16:29:16,571 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:29:16,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:29:16,571 INFO L85 PathProgramCache]: Analyzing trace with hash 1190599693, now seen corresponding path program 1 times [2024-11-08 16:29:16,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:29:16,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6916772] [2024-11-08 16:29:16,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:29:16,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:29:16,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:29:17,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:29:17,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:29:17,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6916772] [2024-11-08 16:29:17,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [6916772] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:29:17,461 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:29:17,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:29:17,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656998380] [2024-11-08 16:29:17,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:29:17,461 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 16:29:17,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:29:17,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 16:29:17,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-08 16:29:17,462 INFO L87 Difference]: Start difference. First operand 1282 states and 1723 transitions. Second operand has 8 states, 8 states have (on average 11.5) internal successors, (92), 8 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:29:18,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:29:18,362 INFO L93 Difference]: Finished difference Result 2544 states and 3414 transitions. [2024-11-08 16:29:18,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 16:29:18,363 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 8 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2024-11-08 16:29:18,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:29:18,365 INFO L225 Difference]: With dead ends: 2544 [2024-11-08 16:29:18,365 INFO L226 Difference]: Without dead ends: 1308 [2024-11-08 16:29:18,366 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-11-08 16:29:18,367 INFO L432 NwaCegarLoop]: 183 mSDtfsCounter, 365 mSDsluCounter, 884 mSDsCounter, 0 mSdLazyCounter, 1238 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 365 SdHoareTripleChecker+Valid, 1067 SdHoareTripleChecker+Invalid, 1240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-08 16:29:18,367 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [365 Valid, 1067 Invalid, 1240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1238 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-08 16:29:18,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1308 states. [2024-11-08 16:29:18,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1308 to 1288. [2024-11-08 16:29:18,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1288 states, 1287 states have (on average 1.3418803418803418) internal successors, (1727), 1287 states have internal predecessors, (1727), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:29:18,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1288 states to 1288 states and 1727 transitions. [2024-11-08 16:29:18,384 INFO L78 Accepts]: Start accepts. Automaton has 1288 states and 1727 transitions. Word has length 92 [2024-11-08 16:29:18,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:29:18,384 INFO L471 AbstractCegarLoop]: Abstraction has 1288 states and 1727 transitions. [2024-11-08 16:29:18,384 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 8 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:29:18,385 INFO L276 IsEmpty]: Start isEmpty. Operand 1288 states and 1727 transitions. [2024-11-08 16:29:18,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-08 16:29:18,385 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:29:18,386 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:29:18,386 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2024-11-08 16:29:18,386 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:29:18,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:29:18,387 INFO L85 PathProgramCache]: Analyzing trace with hash 770123631, now seen corresponding path program 1 times [2024-11-08 16:29:18,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:29:18,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949894396] [2024-11-08 16:29:18,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:29:18,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:29:18,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:29:21,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:29:21,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:29:21,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949894396] [2024-11-08 16:29:21,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [949894396] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:29:21,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:29:21,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-08 16:29:21,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150250373] [2024-11-08 16:29:21,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:29:21,464 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 16:29:21,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:29:21,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 16:29:21,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2024-11-08 16:29:21,465 INFO L87 Difference]: Start difference. First operand 1288 states and 1727 transitions. Second operand has 12 states, 12 states have (on average 7.75) internal successors, (93), 12 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:29:22,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:29:22,916 INFO L93 Difference]: Finished difference Result 3140 states and 4198 transitions. [2024-11-08 16:29:22,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 16:29:22,916 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.75) internal successors, (93), 12 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2024-11-08 16:29:22,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:29:22,919 INFO L225 Difference]: With dead ends: 3140 [2024-11-08 16:29:22,920 INFO L226 Difference]: Without dead ends: 1898 [2024-11-08 16:29:22,921 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=76, Invalid=304, Unknown=0, NotChecked=0, Total=380 [2024-11-08 16:29:22,922 INFO L432 NwaCegarLoop]: 408 mSDtfsCounter, 782 mSDsluCounter, 2463 mSDsCounter, 0 mSdLazyCounter, 1197 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 782 SdHoareTripleChecker+Valid, 2871 SdHoareTripleChecker+Invalid, 1234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 1197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-08 16:29:22,922 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [782 Valid, 2871 Invalid, 1234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 1197 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-08 16:29:22,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1898 states. [2024-11-08 16:29:22,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1898 to 1418. [2024-11-08 16:29:22,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1418 states, 1417 states have (on average 1.3387438249823571) internal successors, (1897), 1417 states have internal predecessors, (1897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:29:22,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1418 states to 1418 states and 1897 transitions. [2024-11-08 16:29:22,943 INFO L78 Accepts]: Start accepts. Automaton has 1418 states and 1897 transitions. Word has length 93 [2024-11-08 16:29:22,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:29:22,943 INFO L471 AbstractCegarLoop]: Abstraction has 1418 states and 1897 transitions. [2024-11-08 16:29:22,943 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.75) internal successors, (93), 12 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:29:22,943 INFO L276 IsEmpty]: Start isEmpty. Operand 1418 states and 1897 transitions. [2024-11-08 16:29:22,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-08 16:29:22,944 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:29:22,944 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:29:22,945 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2024-11-08 16:29:22,945 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:29:22,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:29:22,945 INFO L85 PathProgramCache]: Analyzing trace with hash 437817163, now seen corresponding path program 1 times [2024-11-08 16:29:22,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:29:22,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752056501] [2024-11-08 16:29:22,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:29:22,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:29:23,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:29:23,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:29:23,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:29:23,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752056501] [2024-11-08 16:29:23,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [752056501] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:29:23,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:29:23,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:29:23,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848879506] [2024-11-08 16:29:23,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:29:23,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 16:29:23,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:29:23,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 16:29:23,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-08 16:29:23,950 INFO L87 Difference]: Start difference. First operand 1418 states and 1897 transitions. Second operand has 8 states, 8 states have (on average 11.625) internal successors, (93), 8 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:29:24,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:29:24,777 INFO L93 Difference]: Finished difference Result 2810 states and 3754 transitions. [2024-11-08 16:29:24,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 16:29:24,777 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 8 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2024-11-08 16:29:24,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:29:24,779 INFO L225 Difference]: With dead ends: 2810 [2024-11-08 16:29:24,779 INFO L226 Difference]: Without dead ends: 1438 [2024-11-08 16:29:24,780 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2024-11-08 16:29:24,780 INFO L432 NwaCegarLoop]: 183 mSDtfsCounter, 361 mSDsluCounter, 533 mSDsCounter, 0 mSdLazyCounter, 811 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 361 SdHoareTripleChecker+Valid, 716 SdHoareTripleChecker+Invalid, 813 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 811 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-08 16:29:24,780 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [361 Valid, 716 Invalid, 813 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 811 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-08 16:29:24,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1438 states. [2024-11-08 16:29:24,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1438 to 1426. [2024-11-08 16:29:24,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1426 states, 1425 states have (on average 1.335438596491228) internal successors, (1903), 1425 states have internal predecessors, (1903), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:29:24,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1426 states to 1426 states and 1903 transitions. [2024-11-08 16:29:24,792 INFO L78 Accepts]: Start accepts. Automaton has 1426 states and 1903 transitions. Word has length 93 [2024-11-08 16:29:24,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:29:24,793 INFO L471 AbstractCegarLoop]: Abstraction has 1426 states and 1903 transitions. [2024-11-08 16:29:24,793 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 8 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:29:24,793 INFO L276 IsEmpty]: Start isEmpty. Operand 1426 states and 1903 transitions. [2024-11-08 16:29:24,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-08 16:29:24,793 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:29:24,793 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:29:24,793 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2024-11-08 16:29:24,794 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:29:24,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:29:24,794 INFO L85 PathProgramCache]: Analyzing trace with hash -1121549908, now seen corresponding path program 1 times [2024-11-08 16:29:24,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:29:24,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860569444] [2024-11-08 16:29:24,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:29:24,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:29:25,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:29:25,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:29:25,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:29:25,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860569444] [2024-11-08 16:29:25,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1860569444] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:29:25,713 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:29:25,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:29:25,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469474793] [2024-11-08 16:29:25,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:29:25,714 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 16:29:25,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:29:25,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 16:29:25,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-08 16:29:25,715 INFO L87 Difference]: Start difference. First operand 1426 states and 1903 transitions. Second operand has 8 states, 8 states have (on average 11.75) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:29:26,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:29:26,699 INFO L93 Difference]: Finished difference Result 2818 states and 3756 transitions. [2024-11-08 16:29:26,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 16:29:26,700 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2024-11-08 16:29:26,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:29:26,701 INFO L225 Difference]: With dead ends: 2818 [2024-11-08 16:29:26,702 INFO L226 Difference]: Without dead ends: 1438 [2024-11-08 16:29:26,703 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-11-08 16:29:26,703 INFO L432 NwaCegarLoop]: 183 mSDtfsCounter, 355 mSDsluCounter, 709 mSDsCounter, 0 mSdLazyCounter, 1019 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 355 SdHoareTripleChecker+Valid, 892 SdHoareTripleChecker+Invalid, 1021 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1019 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-08 16:29:26,703 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [355 Valid, 892 Invalid, 1021 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1019 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-08 16:29:26,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1438 states. [2024-11-08 16:29:26,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1438 to 1434. [2024-11-08 16:29:26,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1434 states, 1433 states have (on average 1.3321702721563153) internal successors, (1909), 1433 states have internal predecessors, (1909), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:29:26,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1434 states to 1434 states and 1909 transitions. [2024-11-08 16:29:26,721 INFO L78 Accepts]: Start accepts. Automaton has 1434 states and 1909 transitions. Word has length 94 [2024-11-08 16:29:26,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:29:26,722 INFO L471 AbstractCegarLoop]: Abstraction has 1434 states and 1909 transitions. [2024-11-08 16:29:26,722 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:29:26,722 INFO L276 IsEmpty]: Start isEmpty. Operand 1434 states and 1909 transitions. [2024-11-08 16:29:26,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-08 16:29:26,723 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:29:26,723 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:29:26,723 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2024-11-08 16:29:26,724 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:29:26,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:29:26,724 INFO L85 PathProgramCache]: Analyzing trace with hash 87998956, now seen corresponding path program 1 times [2024-11-08 16:29:26,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:29:26,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349796880] [2024-11-08 16:29:26,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:29:26,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:29:27,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:29:30,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:29:30,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:29:30,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349796880] [2024-11-08 16:29:30,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349796880] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:29:30,333 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:29:30,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2024-11-08 16:29:30,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236908890] [2024-11-08 16:29:30,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:29:30,333 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-08 16:29:30,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:29:30,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-08 16:29:30,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=296, Unknown=0, NotChecked=0, Total=342 [2024-11-08 16:29:30,334 INFO L87 Difference]: Start difference. First operand 1434 states and 1909 transitions. Second operand has 19 states, 19 states have (on average 5.0) internal successors, (95), 19 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:29:34,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:29:34,041 INFO L93 Difference]: Finished difference Result 3670 states and 4857 transitions. [2024-11-08 16:29:34,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-08 16:29:34,042 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 5.0) internal successors, (95), 19 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2024-11-08 16:29:34,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:29:34,044 INFO L225 Difference]: With dead ends: 3670 [2024-11-08 16:29:34,044 INFO L226 Difference]: Without dead ends: 2282 [2024-11-08 16:29:34,045 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 201 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=172, Invalid=950, Unknown=0, NotChecked=0, Total=1122 [2024-11-08 16:29:34,046 INFO L432 NwaCegarLoop]: 160 mSDtfsCounter, 1235 mSDsluCounter, 2107 mSDsCounter, 0 mSdLazyCounter, 3413 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1235 SdHoareTripleChecker+Valid, 2267 SdHoareTripleChecker+Invalid, 3416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 3413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:29:34,047 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1235 Valid, 2267 Invalid, 3416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 3413 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-11-08 16:29:34,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2282 states. [2024-11-08 16:29:34,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2282 to 1484. [2024-11-08 16:29:34,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 1483 states have (on average 1.3236682400539448) internal successors, (1963), 1483 states have internal predecessors, (1963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:29:34,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1963 transitions. [2024-11-08 16:29:34,063 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1963 transitions. Word has length 95 [2024-11-08 16:29:34,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:29:34,063 INFO L471 AbstractCegarLoop]: Abstraction has 1484 states and 1963 transitions. [2024-11-08 16:29:34,063 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 5.0) internal successors, (95), 19 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:29:34,063 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1963 transitions. [2024-11-08 16:29:34,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-08 16:29:34,064 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:29:34,064 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:29:34,064 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2024-11-08 16:29:34,064 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:29:34,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:29:34,065 INFO L85 PathProgramCache]: Analyzing trace with hash -494872075, now seen corresponding path program 1 times [2024-11-08 16:29:34,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:29:34,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361111500] [2024-11-08 16:29:34,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:29:34,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:29:34,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:29:34,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:29:34,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:29:34,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361111500] [2024-11-08 16:29:34,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361111500] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:29:34,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:29:34,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 16:29:34,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790157459] [2024-11-08 16:29:34,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:29:34,917 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 16:29:34,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:29:34,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 16:29:34,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 16:29:34,918 INFO L87 Difference]: Start difference. First operand 1484 states and 1963 transitions. Second operand has 6 states, 6 states have (on average 16.0) internal successors, (96), 6 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:29:35,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:29:35,661 INFO L93 Difference]: Finished difference Result 3178 states and 4215 transitions. [2024-11-08 16:29:35,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 16:29:35,662 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.0) internal successors, (96), 6 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2024-11-08 16:29:35,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:29:35,663 INFO L225 Difference]: With dead ends: 3178 [2024-11-08 16:29:35,663 INFO L226 Difference]: Without dead ends: 1740 [2024-11-08 16:29:35,664 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:29:35,664 INFO L432 NwaCegarLoop]: 232 mSDtfsCounter, 526 mSDsluCounter, 637 mSDsCounter, 0 mSdLazyCounter, 891 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 526 SdHoareTripleChecker+Valid, 869 SdHoareTripleChecker+Invalid, 891 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 891 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-08 16:29:35,665 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [526 Valid, 869 Invalid, 891 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 891 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-08 16:29:35,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1740 states. [2024-11-08 16:29:35,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1740 to 1536. [2024-11-08 16:29:35,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1536 states, 1535 states have (on average 1.3257328990228012) internal successors, (2035), 1535 states have internal predecessors, (2035), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:29:35,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1536 states to 1536 states and 2035 transitions. [2024-11-08 16:29:35,679 INFO L78 Accepts]: Start accepts. Automaton has 1536 states and 2035 transitions. Word has length 96 [2024-11-08 16:29:35,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:29:35,679 INFO L471 AbstractCegarLoop]: Abstraction has 1536 states and 2035 transitions. [2024-11-08 16:29:35,679 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.0) internal successors, (96), 6 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:29:35,679 INFO L276 IsEmpty]: Start isEmpty. Operand 1536 states and 2035 transitions. [2024-11-08 16:29:35,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-08 16:29:35,680 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:29:35,680 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:29:35,680 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2024-11-08 16:29:35,680 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:29:35,681 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:29:35,681 INFO L85 PathProgramCache]: Analyzing trace with hash 784276171, now seen corresponding path program 1 times [2024-11-08 16:29:35,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:29:35,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748430889] [2024-11-08 16:29:35,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:29:35,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:29:36,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:29:37,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:29:37,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:29:37,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748430889] [2024-11-08 16:29:37,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748430889] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:29:37,170 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:29:37,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:29:37,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369049535] [2024-11-08 16:29:37,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:29:37,170 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 16:29:37,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:29:37,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 16:29:37,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-08 16:29:37,171 INFO L87 Difference]: Start difference. First operand 1536 states and 2035 transitions. Second operand has 8 states, 8 states have (on average 12.0) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:29:37,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:29:37,969 INFO L93 Difference]: Finished difference Result 3383 states and 4477 transitions. [2024-11-08 16:29:37,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 16:29:37,969 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2024-11-08 16:29:37,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:29:37,971 INFO L225 Difference]: With dead ends: 3383 [2024-11-08 16:29:37,971 INFO L226 Difference]: Without dead ends: 1893 [2024-11-08 16:29:37,972 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-11-08 16:29:37,973 INFO L432 NwaCegarLoop]: 227 mSDtfsCounter, 580 mSDsluCounter, 1050 mSDsCounter, 0 mSdLazyCounter, 1056 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 580 SdHoareTripleChecker+Valid, 1277 SdHoareTripleChecker+Invalid, 1062 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1056 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-08 16:29:37,973 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [580 Valid, 1277 Invalid, 1062 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1056 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-08 16:29:37,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1893 states. [2024-11-08 16:29:37,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1893 to 1612. [2024-11-08 16:29:37,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1612 states, 1611 states have (on average 1.324643078833023) internal successors, (2134), 1611 states have internal predecessors, (2134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:29:37,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1612 states to 1612 states and 2134 transitions. [2024-11-08 16:29:37,997 INFO L78 Accepts]: Start accepts. Automaton has 1612 states and 2134 transitions. Word has length 96 [2024-11-08 16:29:37,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:29:37,997 INFO L471 AbstractCegarLoop]: Abstraction has 1612 states and 2134 transitions. [2024-11-08 16:29:37,998 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:29:37,998 INFO L276 IsEmpty]: Start isEmpty. Operand 1612 states and 2134 transitions. [2024-11-08 16:29:37,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-08 16:29:37,999 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:29:37,999 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:29:37,999 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2024-11-08 16:29:37,999 INFO L396 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:29:38,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:29:38,000 INFO L85 PathProgramCache]: Analyzing trace with hash 1462038671, now seen corresponding path program 1 times [2024-11-08 16:29:38,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:29:38,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462745743] [2024-11-08 16:29:38,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:29:38,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:29:38,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:29:40,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:29:40,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:29:40,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462745743] [2024-11-08 16:29:40,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462745743] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:29:40,388 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:29:40,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 16:29:40,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097852274] [2024-11-08 16:29:40,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:29:40,388 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 16:29:40,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:29:40,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 16:29:40,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 16:29:40,389 INFO L87 Difference]: Start difference. First operand 1612 states and 2134 transitions. Second operand has 5 states, 5 states have (on average 19.4) internal successors, (97), 5 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:29:41,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:29:41,139 INFO L93 Difference]: Finished difference Result 3343 states and 4421 transitions. [2024-11-08 16:29:41,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 16:29:41,140 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.4) internal successors, (97), 5 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 97 [2024-11-08 16:29:41,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:29:41,141 INFO L225 Difference]: With dead ends: 3343 [2024-11-08 16:29:41,142 INFO L226 Difference]: Without dead ends: 1853 [2024-11-08 16:29:41,143 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-08 16:29:41,143 INFO L432 NwaCegarLoop]: 236 mSDtfsCounter, 232 mSDsluCounter, 489 mSDsCounter, 0 mSdLazyCounter, 726 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 232 SdHoareTripleChecker+Valid, 725 SdHoareTripleChecker+Invalid, 726 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 726 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-08 16:29:41,143 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [232 Valid, 725 Invalid, 726 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 726 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-08 16:29:41,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1853 states. [2024-11-08 16:29:41,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1853 to 1751. [2024-11-08 16:29:41,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1751 states, 1750 states have (on average 1.3154285714285714) internal successors, (2302), 1750 states have internal predecessors, (2302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:29:41,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1751 states to 1751 states and 2302 transitions. [2024-11-08 16:29:41,156 INFO L78 Accepts]: Start accepts. Automaton has 1751 states and 2302 transitions. Word has length 97 [2024-11-08 16:29:41,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:29:41,156 INFO L471 AbstractCegarLoop]: Abstraction has 1751 states and 2302 transitions. [2024-11-08 16:29:41,156 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.4) internal successors, (97), 5 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:29:41,157 INFO L276 IsEmpty]: Start isEmpty. Operand 1751 states and 2302 transitions. [2024-11-08 16:29:41,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-08 16:29:41,157 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:29:41,157 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:29:41,157 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2024-11-08 16:29:41,158 INFO L396 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:29:41,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:29:41,158 INFO L85 PathProgramCache]: Analyzing trace with hash 1482030773, now seen corresponding path program 1 times [2024-11-08 16:29:41,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:29:41,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445072269] [2024-11-08 16:29:41,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:29:41,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:29:41,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:29:41,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:29:41,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:29:41,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445072269] [2024-11-08 16:29:41,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [445072269] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:29:41,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:29:41,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:29:41,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931887563] [2024-11-08 16:29:41,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:29:41,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 16:29:41,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:29:41,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 16:29:41,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-08 16:29:41,871 INFO L87 Difference]: Start difference. First operand 1751 states and 2302 transitions. Second operand has 8 states, 8 states have (on average 12.25) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:29:42,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:29:42,690 INFO L93 Difference]: Finished difference Result 3304 states and 4353 transitions. [2024-11-08 16:29:42,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 16:29:42,691 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.25) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2024-11-08 16:29:42,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:29:42,692 INFO L225 Difference]: With dead ends: 3304 [2024-11-08 16:29:42,692 INFO L226 Difference]: Without dead ends: 1769 [2024-11-08 16:29:42,693 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-11-08 16:29:42,694 INFO L432 NwaCegarLoop]: 179 mSDtfsCounter, 368 mSDsluCounter, 705 mSDsCounter, 0 mSdLazyCounter, 1006 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 368 SdHoareTripleChecker+Valid, 884 SdHoareTripleChecker+Invalid, 1008 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1006 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-08 16:29:42,694 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [368 Valid, 884 Invalid, 1008 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1006 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-08 16:29:42,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1769 states. [2024-11-08 16:29:42,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1769 to 1751. [2024-11-08 16:29:42,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1751 states, 1750 states have (on average 1.312) internal successors, (2296), 1750 states have internal predecessors, (2296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:29:42,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1751 states to 1751 states and 2296 transitions. [2024-11-08 16:29:42,710 INFO L78 Accepts]: Start accepts. Automaton has 1751 states and 2296 transitions. Word has length 98 [2024-11-08 16:29:42,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:29:42,711 INFO L471 AbstractCegarLoop]: Abstraction has 1751 states and 2296 transitions. [2024-11-08 16:29:42,711 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.25) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:29:42,711 INFO L276 IsEmpty]: Start isEmpty. Operand 1751 states and 2296 transitions. [2024-11-08 16:29:42,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-08 16:29:42,712 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:29:42,712 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:29:42,712 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2024-11-08 16:29:42,712 INFO L396 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:29:42,713 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:29:42,713 INFO L85 PathProgramCache]: Analyzing trace with hash 117630670, now seen corresponding path program 1 times [2024-11-08 16:29:42,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:29:42,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785564030] [2024-11-08 16:29:42,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:29:42,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:29:43,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:29:43,381 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 16:29:44,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:29:44,089 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 16:29:44,089 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 16:29:44,090 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 16:29:44,092 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2024-11-08 16:29:44,095 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:29:44,162 WARN L290 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2024-11-08 16:29:44,192 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 16:29:44,194 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 04:29:44 BoogieIcfgContainer [2024-11-08 16:29:44,194 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 16:29:44,195 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 16:29:44,195 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 16:29:44,195 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 16:29:44,195 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:26:49" (3/4) ... [2024-11-08 16:29:44,200 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 16:29:44,201 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 16:29:44,202 INFO L158 Benchmark]: Toolchain (without parser) took 179274.79ms. Allocated memory was 155.2MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 119.1MB in the beginning and 801.4MB in the end (delta: -682.2MB). Peak memory consumption was 554.3MB. Max. memory is 16.1GB. [2024-11-08 16:29:44,203 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 111.1MB. Free memory is still 88.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:29:44,208 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1011.71ms. Allocated memory is still 155.2MB. Free memory was 118.7MB in the beginning and 88.6MB in the end (delta: 30.1MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-11-08 16:29:44,209 INFO L158 Benchmark]: Boogie Procedure Inliner took 221.44ms. Allocated memory is still 155.2MB. Free memory was 88.6MB in the beginning and 66.0MB in the end (delta: 22.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-08 16:29:44,209 INFO L158 Benchmark]: Boogie Preprocessor took 372.89ms. Allocated memory is still 155.2MB. Free memory was 66.0MB in the beginning and 111.2MB in the end (delta: -45.2MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. [2024-11-08 16:29:44,209 INFO L158 Benchmark]: RCFGBuilder took 2567.41ms. Allocated memory was 155.2MB in the beginning and 213.9MB in the end (delta: 58.7MB). Free memory was 111.2MB in the beginning and 116.2MB in the end (delta: -5.1MB). Peak memory consumption was 54.4MB. Max. memory is 16.1GB. [2024-11-08 16:29:44,209 INFO L158 Benchmark]: TraceAbstraction took 175082.71ms. Allocated memory was 213.9MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 116.2MB in the beginning and 801.4MB in the end (delta: -685.1MB). Peak memory consumption was 490.3MB. Max. memory is 16.1GB. [2024-11-08 16:29:44,209 INFO L158 Benchmark]: Witness Printer took 6.86ms. Allocated memory is still 1.4GB. Free memory is still 801.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:29:44,210 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 111.1MB. Free memory is still 88.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1011.71ms. Allocated memory is still 155.2MB. Free memory was 118.7MB in the beginning and 88.6MB in the end (delta: 30.1MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 221.44ms. Allocated memory is still 155.2MB. Free memory was 88.6MB in the beginning and 66.0MB in the end (delta: 22.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 372.89ms. Allocated memory is still 155.2MB. Free memory was 66.0MB in the beginning and 111.2MB in the end (delta: -45.2MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. * RCFGBuilder took 2567.41ms. Allocated memory was 155.2MB in the beginning and 213.9MB in the end (delta: 58.7MB). Free memory was 111.2MB in the beginning and 116.2MB in the end (delta: -5.1MB). Peak memory consumption was 54.4MB. Max. memory is 16.1GB. * TraceAbstraction took 175082.71ms. Allocated memory was 213.9MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 116.2MB in the beginning and 801.4MB in the end (delta: -685.1MB). Peak memory consumption was 490.3MB. Max. memory is 16.1GB. * Witness Printer took 6.86ms. Allocated memory is still 1.4GB. Free memory is still 801.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseAnd at line 354. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 12); [L30] const SORT_3 msb_SORT_3 = (SORT_3)1 << (12 - 1); [L32] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 3); [L33] const SORT_5 msb_SORT_5 = (SORT_5)1 << (3 - 1); [L35] const SORT_9 mask_SORT_9 = (SORT_9)-1 >> (sizeof(SORT_9) * 8 - 32); [L36] const SORT_9 msb_SORT_9 = (SORT_9)1 << (32 - 1); [L38] const SORT_46 mask_SORT_46 = (SORT_46)-1 >> (sizeof(SORT_46) * 8 - 5); [L39] const SORT_46 msb_SORT_46 = (SORT_46)1 << (5 - 1); [L41] const SORT_3 var_4 = 576; [L42] const SORT_5 var_6 = 0; [L43] const SORT_9 var_11 = 6; [L44] const SORT_3 var_14 = 36; [L45] const SORT_9 var_16 = 5; [L46] const SORT_3 var_19 = 2544; [L47] const SORT_9 var_21 = 4; [L48] const SORT_3 var_24 = 9; [L49] const SORT_9 var_26 = 3; [L50] const SORT_3 var_29 = 54; [L51] const SORT_9 var_31 = 2; [L52] const SORT_3 var_34 = 18; [L53] const SORT_9 var_36 = 1; [L54] const SORT_9 var_40 = 0; [L55] const SORT_46 var_47 = 0; [L56] const SORT_46 var_79 = 1; [L57] const SORT_1 var_116 = 1; [L58] const SORT_9 var_159 = 7; [L60] SORT_1 input_2; [L61] SORT_46 input_143; [L62] SORT_46 input_156; [L63] SORT_46 input_167; [L64] SORT_46 input_174; [L65] SORT_46 input_181; [L66] SORT_46 input_188; [L67] SORT_46 input_195; [L68] SORT_46 input_202; [L70] EXPR __VERIFIER_nondet_uchar() & mask_SORT_5 VAL [mask_SORT_1=1, mask_SORT_46=31, mask_SORT_5=7, var_116=1, var_11=6, var_14=36, var_159=7, var_16=5, var_19=2544, var_21=4, var_24=9, var_26=3, var_29=54, var_31=2, var_34=18, var_36=1, var_40=0, var_47=0, var_4=576, var_6=0, var_79=1] [L70] SORT_5 state_7 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L71] EXPR __VERIFIER_nondet_uchar() & mask_SORT_46 VAL [mask_SORT_1=1, mask_SORT_46=31, mask_SORT_5=7, var_116=1, var_11=6, var_14=36, var_159=7, var_16=5, var_19=2544, var_21=4, var_24=9, var_26=3, var_29=54, var_31=2, var_34=18, var_36=1, var_40=0, var_47=0, var_4=576, var_6=0, var_79=1] [L71] SORT_46 state_48 = __VERIFIER_nondet_uchar() & mask_SORT_46; [L72] EXPR __VERIFIER_nondet_uchar() & mask_SORT_46 VAL [mask_SORT_1=1, mask_SORT_46=31, mask_SORT_5=7, var_116=1, var_11=6, var_14=36, var_159=7, var_16=5, var_19=2544, var_21=4, var_24=9, var_26=3, var_29=54, var_31=2, var_34=18, var_36=1, var_40=0, var_47=0, var_4=576, var_6=0, var_79=1] [L72] SORT_46 state_50 = __VERIFIER_nondet_uchar() & mask_SORT_46; [L73] EXPR __VERIFIER_nondet_uchar() & mask_SORT_46 VAL [mask_SORT_1=1, mask_SORT_46=31, mask_SORT_5=7, var_116=1, var_11=6, var_14=36, var_159=7, var_16=5, var_19=2544, var_21=4, var_24=9, var_26=3, var_29=54, var_31=2, var_34=18, var_36=1, var_40=0, var_47=0, var_4=576, var_6=0, var_79=1] [L73] SORT_46 state_56 = __VERIFIER_nondet_uchar() & mask_SORT_46; [L74] EXPR __VERIFIER_nondet_uchar() & mask_SORT_46 VAL [mask_SORT_1=1, mask_SORT_46=31, mask_SORT_5=7, var_116=1, var_11=6, var_14=36, var_159=7, var_16=5, var_19=2544, var_21=4, var_24=9, var_26=3, var_29=54, var_31=2, var_34=18, var_36=1, var_40=0, var_47=0, var_4=576, var_6=0, var_79=1] [L74] SORT_46 state_64 = __VERIFIER_nondet_uchar() & mask_SORT_46; [L75] EXPR __VERIFIER_nondet_uchar() & mask_SORT_46 VAL [mask_SORT_1=1, mask_SORT_46=31, mask_SORT_5=7, var_116=1, var_11=6, var_14=36, var_159=7, var_16=5, var_19=2544, var_21=4, var_24=9, var_26=3, var_29=54, var_31=2, var_34=18, var_36=1, var_40=0, var_47=0, var_4=576, var_6=0, var_79=1] [L75] SORT_46 state_69 = __VERIFIER_nondet_uchar() & mask_SORT_46; [L76] EXPR __VERIFIER_nondet_uchar() & mask_SORT_46 VAL [mask_SORT_1=1, mask_SORT_46=31, mask_SORT_5=7, var_116=1, var_11=6, var_14=36, var_159=7, var_16=5, var_19=2544, var_21=4, var_24=9, var_26=3, var_29=54, var_31=2, var_34=18, var_36=1, var_40=0, var_47=0, var_4=576, var_6=0, var_79=1] [L76] SORT_46 state_74 = __VERIFIER_nondet_uchar() & mask_SORT_46; [L77] EXPR __VERIFIER_nondet_uchar() & mask_SORT_46 VAL [mask_SORT_1=1, mask_SORT_46=31, mask_SORT_5=7, var_116=1, var_11=6, var_14=36, var_159=7, var_16=5, var_19=2544, var_21=4, var_24=9, var_26=3, var_29=54, var_31=2, var_34=18, var_36=1, var_40=0, var_47=0, var_4=576, var_6=0, var_79=1] [L77] SORT_46 state_80 = __VERIFIER_nondet_uchar() & mask_SORT_46; [L79] SORT_5 init_8_arg_1 = var_6; [L80] state_7 = init_8_arg_1 [L81] SORT_46 init_49_arg_1 = var_47; [L82] state_48 = init_49_arg_1 [L83] SORT_46 init_51_arg_1 = var_47; [L84] state_50 = init_51_arg_1 [L85] SORT_46 init_57_arg_1 = var_47; [L86] state_56 = init_57_arg_1 [L87] SORT_46 init_65_arg_1 = var_47; [L88] state_64 = init_65_arg_1 [L89] SORT_46 init_70_arg_1 = var_47; [L90] state_69 = init_70_arg_1 [L91] SORT_46 init_75_arg_1 = var_47; [L92] state_74 = init_75_arg_1 [L93] SORT_46 init_81_arg_1 = var_79; [L94] state_80 = init_81_arg_1 VAL [mask_SORT_1=1, mask_SORT_46=31, mask_SORT_5=7, state_48=0, state_50=0, state_56=0, state_64=0, state_69=0, state_74=0, state_7=0, state_80=1, var_116=1, var_11=6, var_14=36, var_159=7, var_16=5, var_19=2544, var_21=4, var_24=9, var_26=3, var_29=54, var_31=2, var_34=18, var_36=1, var_40=0, var_4=576] [L97] input_2 = __VERIFIER_nondet_uchar() [L98] input_143 = __VERIFIER_nondet_uchar() [L99] input_156 = __VERIFIER_nondet_uchar() [L100] input_167 = __VERIFIER_nondet_uchar() [L101] input_174 = __VERIFIER_nondet_uchar() [L102] input_181 = __VERIFIER_nondet_uchar() [L103] input_188 = __VERIFIER_nondet_uchar() [L104] input_195 = __VERIFIER_nondet_uchar() [L105] input_202 = __VERIFIER_nondet_uchar() [L108] SORT_5 var_39_arg_0 = state_7; VAL [mask_SORT_1=1, mask_SORT_46=31, mask_SORT_5=7, state_48=0, state_50=0, state_56=0, state_64=0, state_69=0, state_74=0, state_7=0, state_80=1, var_116=1, var_11=6, var_14=36, var_159=7, var_16=5, var_19=2544, var_21=4, var_24=9, var_26=3, var_29=54, var_31=2, var_34=18, var_36=1, var_39_arg_0=0, var_40=0, var_4=576] [L109] EXPR var_39_arg_0 & mask_SORT_5 VAL [mask_SORT_1=1, mask_SORT_46=31, mask_SORT_5=7, state_48=0, state_50=0, state_56=0, state_64=0, state_69=0, state_74=0, state_7=0, state_80=1, var_116=1, var_11=6, var_14=36, var_159=7, var_16=5, var_19=2544, var_21=4, var_24=9, var_26=3, var_29=54, var_31=2, var_34=18, var_36=1, var_40=0, var_4=576] [L109] var_39_arg_0 = var_39_arg_0 & mask_SORT_5 [L110] SORT_9 var_39 = var_39_arg_0; [L111] SORT_9 var_41_arg_0 = var_39; [L112] SORT_9 var_41_arg_1 = var_40; [L113] SORT_1 var_41 = var_41_arg_0 == var_41_arg_1; [L114] SORT_5 var_35_arg_0 = state_7; VAL [mask_SORT_1=1, mask_SORT_46=31, mask_SORT_5=7, state_48=0, state_50=0, state_56=0, state_64=0, state_69=0, state_74=0, state_7=0, state_80=1, var_116=1, var_11=6, var_14=36, var_159=7, var_16=5, var_19=2544, var_21=4, var_24=9, var_26=3, var_29=54, var_31=2, var_34=18, var_35_arg_0=0, var_36=1, var_40=0, var_41=1, var_4=576] [L115] EXPR var_35_arg_0 & mask_SORT_5 VAL [mask_SORT_1=1, mask_SORT_46=31, mask_SORT_5=7, state_48=0, state_50=0, state_56=0, state_64=0, state_69=0, state_74=0, state_7=0, state_80=1, var_116=1, var_11=6, var_14=36, var_159=7, var_16=5, var_19=2544, var_21=4, var_24=9, var_26=3, var_29=54, var_31=2, var_34=18, var_36=1, var_40=0, var_41=1, var_4=576] [L115] var_35_arg_0 = var_35_arg_0 & mask_SORT_5 [L116] SORT_9 var_35 = var_35_arg_0; [L117] SORT_9 var_37_arg_0 = var_35; [L118] SORT_9 var_37_arg_1 = var_36; [L119] SORT_1 var_37 = var_37_arg_0 == var_37_arg_1; [L120] SORT_5 var_30_arg_0 = state_7; VAL [mask_SORT_1=1, mask_SORT_46=31, mask_SORT_5=7, state_48=0, state_50=0, state_56=0, state_64=0, state_69=0, state_74=0, state_7=0, state_80=1, var_116=1, var_11=6, var_14=36, var_159=7, var_16=5, var_19=2544, var_21=4, var_24=9, var_26=3, var_29=54, var_30_arg_0=0, var_31=2, var_34=18, var_36=1, var_37=0, var_40=0, var_41=1, var_4=576] [L121] EXPR var_30_arg_0 & mask_SORT_5 VAL [mask_SORT_1=1, mask_SORT_46=31, mask_SORT_5=7, state_48=0, state_50=0, state_56=0, state_64=0, state_69=0, state_74=0, state_7=0, state_80=1, var_116=1, var_11=6, var_14=36, var_159=7, var_16=5, var_19=2544, var_21=4, var_24=9, var_26=3, var_29=54, var_31=2, var_34=18, var_36=1, var_37=0, var_40=0, var_41=1, var_4=576] [L121] var_30_arg_0 = var_30_arg_0 & mask_SORT_5 [L122] SORT_9 var_30 = var_30_arg_0; [L123] SORT_9 var_32_arg_0 = var_30; [L124] SORT_9 var_32_arg_1 = var_31; [L125] SORT_1 var_32 = var_32_arg_0 == var_32_arg_1; [L126] SORT_5 var_25_arg_0 = state_7; VAL [mask_SORT_1=1, mask_SORT_46=31, mask_SORT_5=7, state_48=0, state_50=0, state_56=0, state_64=0, state_69=0, state_74=0, state_7=0, state_80=1, var_116=1, var_11=6, var_14=36, var_159=7, var_16=5, var_19=2544, var_21=4, var_24=9, var_25_arg_0=0, var_26=3, var_29=54, var_31=2, var_32=0, var_34=18, var_36=1, var_37=0, var_40=0, var_41=1, var_4=576] [L127] EXPR var_25_arg_0 & mask_SORT_5 VAL [mask_SORT_1=1, mask_SORT_46=31, mask_SORT_5=7, state_48=0, state_50=0, state_56=0, state_64=0, state_69=0, state_74=0, state_7=0, state_80=1, var_116=1, var_11=6, var_14=36, var_159=7, var_16=5, var_19=2544, var_21=4, var_24=9, var_26=3, var_29=54, var_31=2, var_32=0, var_34=18, var_36=1, var_37=0, var_40=0, var_41=1, var_4=576] [L127] var_25_arg_0 = var_25_arg_0 & mask_SORT_5 [L128] SORT_9 var_25 = var_25_arg_0; [L129] SORT_9 var_27_arg_0 = var_25; [L130] SORT_9 var_27_arg_1 = var_26; [L131] SORT_1 var_27 = var_27_arg_0 == var_27_arg_1; [L132] SORT_5 var_20_arg_0 = state_7; VAL [mask_SORT_1=1, mask_SORT_46=31, mask_SORT_5=7, state_48=0, state_50=0, state_56=0, state_64=0, state_69=0, state_74=0, state_7=0, state_80=1, var_116=1, var_11=6, var_14=36, var_159=7, var_16=5, var_19=2544, var_20_arg_0=0, var_21=4, var_24=9, var_26=3, var_27=0, var_29=54, var_31=2, var_32=0, var_34=18, var_36=1, var_37=0, var_40=0, var_41=1, var_4=576] [L133] EXPR var_20_arg_0 & mask_SORT_5 VAL [mask_SORT_1=1, mask_SORT_46=31, mask_SORT_5=7, state_48=0, state_50=0, state_56=0, state_64=0, state_69=0, state_74=0, state_7=0, state_80=1, var_116=1, var_11=6, var_14=36, var_159=7, var_16=5, var_19=2544, var_21=4, var_24=9, var_26=3, var_27=0, var_29=54, var_31=2, var_32=0, var_34=18, var_36=1, var_37=0, var_40=0, var_41=1, var_4=576] [L133] var_20_arg_0 = var_20_arg_0 & mask_SORT_5 [L134] SORT_9 var_20 = var_20_arg_0; [L135] SORT_9 var_22_arg_0 = var_20; [L136] SORT_9 var_22_arg_1 = var_21; [L137] SORT_1 var_22 = var_22_arg_0 == var_22_arg_1; [L138] SORT_5 var_15_arg_0 = state_7; VAL [mask_SORT_1=1, mask_SORT_46=31, mask_SORT_5=7, state_48=0, state_50=0, state_56=0, state_64=0, state_69=0, state_74=0, state_7=0, state_80=1, var_116=1, var_11=6, var_14=36, var_159=7, var_15_arg_0=0, var_16=5, var_19=2544, var_21=4, var_22=0, var_24=9, var_26=3, var_27=0, var_29=54, var_31=2, var_32=0, var_34=18, var_36=1, var_37=0, var_40=0, var_41=1, var_4=576] [L139] EXPR var_15_arg_0 & mask_SORT_5 VAL [mask_SORT_1=1, mask_SORT_46=31, mask_SORT_5=7, state_48=0, state_50=0, state_56=0, state_64=0, state_69=0, state_74=0, state_7=0, state_80=1, var_116=1, var_11=6, var_14=36, var_159=7, var_16=5, var_19=2544, var_21=4, var_22=0, var_24=9, var_26=3, var_27=0, var_29=54, var_31=2, var_32=0, var_34=18, var_36=1, var_37=0, var_40=0, var_41=1, var_4=576] [L139] var_15_arg_0 = var_15_arg_0 & mask_SORT_5 [L140] SORT_9 var_15 = var_15_arg_0; [L141] SORT_9 var_17_arg_0 = var_15; [L142] SORT_9 var_17_arg_1 = var_16; [L143] SORT_1 var_17 = var_17_arg_0 == var_17_arg_1; [L144] SORT_5 var_10_arg_0 = state_7; VAL [mask_SORT_1=1, mask_SORT_46=31, mask_SORT_5=7, state_48=0, state_50=0, state_56=0, state_64=0, state_69=0, state_74=0, state_7=0, state_80=1, var_10_arg_0=0, var_116=1, var_11=6, var_14=36, var_159=7, var_16=5, var_17=0, var_19=2544, var_21=4, var_22=0, var_24=9, var_26=3, var_27=0, var_29=54, var_31=2, var_32=0, var_34=18, var_36=1, var_37=0, var_40=0, var_41=1, var_4=576] [L145] EXPR var_10_arg_0 & mask_SORT_5 VAL [mask_SORT_1=1, mask_SORT_46=31, mask_SORT_5=7, state_48=0, state_50=0, state_56=0, state_64=0, state_69=0, state_74=0, state_7=0, state_80=1, var_116=1, var_11=6, var_14=36, var_159=7, var_16=5, var_17=0, var_19=2544, var_21=4, var_22=0, var_24=9, var_26=3, var_27=0, var_29=54, var_31=2, var_32=0, var_34=18, var_36=1, var_37=0, var_40=0, var_41=1, var_4=576] [L145] var_10_arg_0 = var_10_arg_0 & mask_SORT_5 [L146] SORT_9 var_10 = var_10_arg_0; [L147] SORT_9 var_12_arg_0 = var_10; [L148] SORT_9 var_12_arg_1 = var_11; [L149] SORT_1 var_12 = var_12_arg_0 == var_12_arg_1; [L150] SORT_1 var_13_arg_0 = var_12; [L151] SORT_3 var_13_arg_1 = var_4; [L152] SORT_3 var_13_arg_2 = var_4; [L153] SORT_3 var_13 = var_13_arg_0 ? var_13_arg_1 : var_13_arg_2; [L154] SORT_1 var_18_arg_0 = var_17; [L155] SORT_3 var_18_arg_1 = var_14; [L156] SORT_3 var_18_arg_2 = var_13; [L157] SORT_3 var_18 = var_18_arg_0 ? var_18_arg_1 : var_18_arg_2; [L158] SORT_1 var_23_arg_0 = var_22; [L159] SORT_3 var_23_arg_1 = var_19; [L160] SORT_3 var_23_arg_2 = var_18; [L161] SORT_3 var_23 = var_23_arg_0 ? var_23_arg_1 : var_23_arg_2; [L162] SORT_1 var_28_arg_0 = var_27; [L163] SORT_3 var_28_arg_1 = var_24; [L164] SORT_3 var_28_arg_2 = var_23; [L165] SORT_3 var_28 = var_28_arg_0 ? var_28_arg_1 : var_28_arg_2; [L166] SORT_1 var_33_arg_0 = var_32; [L167] SORT_3 var_33_arg_1 = var_29; [L168] SORT_3 var_33_arg_2 = var_28; [L169] SORT_3 var_33 = var_33_arg_0 ? var_33_arg_1 : var_33_arg_2; [L170] SORT_1 var_38_arg_0 = var_37; [L171] SORT_3 var_38_arg_1 = var_34; [L172] SORT_3 var_38_arg_2 = var_33; [L173] SORT_3 var_38 = var_38_arg_0 ? var_38_arg_1 : var_38_arg_2; [L174] SORT_1 var_42_arg_0 = var_41; [L175] SORT_3 var_42_arg_1 = var_14; [L176] SORT_3 var_42_arg_2 = var_38; [L177] SORT_3 var_42 = var_42_arg_0 ? var_42_arg_1 : var_42_arg_2; [L178] SORT_3 var_43_arg_0 = var_42; [L179] SORT_5 var_43 = var_43_arg_0 >> 0; [L180] SORT_5 var_44_arg_0 = var_43; VAL [mask_SORT_1=1, mask_SORT_46=31, mask_SORT_5=7, state_48=0, state_50=0, state_56=0, state_64=0, state_69=0, state_74=0, state_7=0, state_80=1, var_116=1, var_11=6, var_14=36, var_159=7, var_16=5, var_19=2544, var_21=4, var_24=9, var_26=3, var_29=54, var_31=2, var_34=18, var_36=1, var_40=0, var_42=36, var_43=36, var_44_arg_0=36, var_4=576] [L181] EXPR var_44_arg_0 & mask_SORT_5 VAL [mask_SORT_1=1, mask_SORT_46=31, mask_SORT_5=7, state_48=0, state_50=0, state_56=0, state_64=0, state_69=0, state_74=0, state_7=0, state_80=1, var_116=1, var_11=6, var_14=36, var_159=7, var_16=5, var_19=2544, var_21=4, var_24=9, var_26=3, var_29=54, var_31=2, var_34=18, var_36=1, var_40=0, var_42=36, var_43=36, var_4=576] [L181] var_44_arg_0 = var_44_arg_0 & mask_SORT_5 [L182] SORT_9 var_44 = var_44_arg_0; [L183] SORT_9 var_45_arg_0 = var_44; [L184] SORT_9 var_45_arg_1 = var_21; [L185] SORT_1 var_45 = var_45_arg_0 == var_45_arg_1; [L186] SORT_3 var_52_arg_0 = var_42; [L187] SORT_5 var_52 = var_52_arg_0 >> 3; [L188] SORT_5 var_82_arg_0 = var_52; VAL [mask_SORT_1=1, mask_SORT_46=31, mask_SORT_5=7, state_48=0, state_50=0, state_56=0, state_64=0, state_69=0, state_74=0, state_7=0, state_80=1, var_116=1, var_11=6, var_14=36, var_159=7, var_16=5, var_19=2544, var_21=4, var_24=9, var_26=3, var_29=54, var_31=2, var_34=18, var_36=1, var_40=0, var_42=36, var_43=36, var_45=0, var_4=576, var_52=4, var_82_arg_0=4] [L189] EXPR var_82_arg_0 & mask_SORT_5 VAL [mask_SORT_1=1, mask_SORT_46=31, mask_SORT_5=7, state_48=0, state_50=0, state_56=0, state_64=0, state_69=0, state_74=0, state_7=0, state_80=1, var_116=1, var_11=6, var_14=36, var_159=7, var_16=5, var_19=2544, var_21=4, var_24=9, var_26=3, var_29=54, var_31=2, var_34=18, var_36=1, var_40=0, var_42=36, var_43=36, var_45=0, var_4=576, var_52=4] [L189] var_82_arg_0 = var_82_arg_0 & mask_SORT_5 [L190] SORT_9 var_82 = var_82_arg_0; [L191] SORT_9 var_83_arg_0 = var_82; [L192] SORT_9 var_83_arg_1 = var_40; [L193] SORT_1 var_83 = var_83_arg_0 == var_83_arg_1; [L194] SORT_5 var_76_arg_0 = var_52; VAL [mask_SORT_1=1, mask_SORT_46=31, mask_SORT_5=7, state_48=0, state_50=0, state_56=0, state_64=0, state_69=0, state_74=0, state_7=0, state_80=1, var_116=1, var_11=6, var_14=36, var_159=7, var_16=5, var_19=2544, var_21=4, var_24=9, var_26=3, var_29=54, var_31=2, var_34=18, var_36=1, var_40=0, var_42=36, var_43=36, var_45=0, var_4=576, var_52=4, var_76_arg_0=4, var_83=0] [L195] EXPR var_76_arg_0 & mask_SORT_5 VAL [mask_SORT_1=1, mask_SORT_46=31, mask_SORT_5=7, state_48=0, state_50=0, state_56=0, state_64=0, state_69=0, state_74=0, state_7=0, state_80=1, var_116=1, var_11=6, var_14=36, var_159=7, var_16=5, var_19=2544, var_21=4, var_24=9, var_26=3, var_29=54, var_31=2, var_34=18, var_36=1, var_40=0, var_42=36, var_43=36, var_45=0, var_4=576, var_52=4, var_83=0] [L195] var_76_arg_0 = var_76_arg_0 & mask_SORT_5 [L196] SORT_9 var_76 = var_76_arg_0; [L197] SORT_9 var_77_arg_0 = var_76; [L198] SORT_9 var_77_arg_1 = var_36; [L199] SORT_1 var_77 = var_77_arg_0 == var_77_arg_1; [L200] SORT_5 var_71_arg_0 = var_52; VAL [mask_SORT_1=1, mask_SORT_46=31, mask_SORT_5=7, state_48=0, state_50=0, state_56=0, state_64=0, state_69=0, state_74=0, state_7=0, state_80=1, var_116=1, var_11=6, var_14=36, var_159=7, var_16=5, var_19=2544, var_21=4, var_24=9, var_26=3, var_29=54, var_31=2, var_34=18, var_36=1, var_40=0, var_42=36, var_43=36, var_45=0, var_4=576, var_52=4, var_71_arg_0=4, var_77=1, var_83=0] [L201] EXPR var_71_arg_0 & mask_SORT_5 VAL [mask_SORT_1=1, mask_SORT_46=31, mask_SORT_5=7, state_48=0, state_50=0, state_56=0, state_64=0, state_69=0, state_74=0, state_7=0, state_80=1, var_116=1, var_11=6, var_14=36, var_159=7, var_16=5, var_19=2544, var_21=4, var_24=9, var_26=3, var_29=54, var_31=2, var_34=18, var_36=1, var_40=0, var_42=36, var_43=36, var_45=0, var_4=576, var_52=4, var_77=1, var_83=0] [L201] var_71_arg_0 = var_71_arg_0 & mask_SORT_5 [L202] SORT_9 var_71 = var_71_arg_0; [L203] SORT_9 var_72_arg_0 = var_71; [L204] SORT_9 var_72_arg_1 = var_31; [L205] SORT_1 var_72 = var_72_arg_0 == var_72_arg_1; [L206] SORT_5 var_66_arg_0 = var_52; VAL [mask_SORT_1=1, mask_SORT_46=31, mask_SORT_5=7, state_48=0, state_50=0, state_56=0, state_64=0, state_69=0, state_74=0, state_7=0, state_80=1, var_116=1, var_11=6, var_14=36, var_159=7, var_16=5, var_19=2544, var_21=4, var_24=9, var_26=3, var_29=54, var_31=2, var_34=18, var_36=1, var_40=0, var_42=36, var_43=36, var_45=0, var_4=576, var_52=4, var_66_arg_0=4, var_72=0, var_77=1, var_83=0] [L207] EXPR var_66_arg_0 & mask_SORT_5 VAL [mask_SORT_1=1, mask_SORT_46=31, mask_SORT_5=7, state_48=0, state_50=0, state_56=0, state_64=0, state_69=0, state_74=0, state_7=0, state_80=1, var_116=1, var_11=6, var_14=36, var_159=7, var_16=5, var_19=2544, var_21=4, var_24=9, var_26=3, var_29=54, var_31=2, var_34=18, var_36=1, var_40=0, var_42=36, var_43=36, var_45=0, var_4=576, var_52=4, var_72=0, var_77=1, var_83=0] [L207] var_66_arg_0 = var_66_arg_0 & mask_SORT_5 [L208] SORT_9 var_66 = var_66_arg_0; [L209] SORT_9 var_67_arg_0 = var_66; [L210] SORT_9 var_67_arg_1 = var_26; [L211] SORT_1 var_67 = var_67_arg_0 == var_67_arg_1; [L212] SORT_5 var_61_arg_0 = var_52; VAL [mask_SORT_1=1, mask_SORT_46=31, mask_SORT_5=7, state_48=0, state_50=0, state_56=0, state_64=0, state_69=0, state_74=0, state_7=0, state_80=1, var_116=1, var_11=6, var_14=36, var_159=7, var_16=5, var_19=2544, var_21=4, var_24=9, var_26=3, var_29=54, var_31=2, var_34=18, var_36=1, var_40=0, var_42=36, var_43=36, var_45=0, var_4=576, var_52=4, var_61_arg_0=4, var_67=0, var_72=0, var_77=1, var_83=0] [L213] EXPR var_61_arg_0 & mask_SORT_5 VAL [mask_SORT_1=1, mask_SORT_46=31, mask_SORT_5=7, state_48=0, state_50=0, state_56=0, state_64=0, state_69=0, state_74=0, state_7=0, state_80=1, var_116=1, var_11=6, var_14=36, var_159=7, var_16=5, var_19=2544, var_21=4, var_24=9, var_26=3, var_29=54, var_31=2, var_34=18, var_36=1, var_40=0, var_42=36, var_43=36, var_45=0, var_4=576, var_52=4, var_67=0, var_72=0, var_77=1, var_83=0] [L213] var_61_arg_0 = var_61_arg_0 & mask_SORT_5 [L214] SORT_9 var_61 = var_61_arg_0; [L215] SORT_9 var_62_arg_0 = var_61; [L216] SORT_9 var_62_arg_1 = var_21; [L217] SORT_1 var_62 = var_62_arg_0 == var_62_arg_1; [L218] SORT_5 var_58_arg_0 = var_52; VAL [mask_SORT_1=1, mask_SORT_46=31, mask_SORT_5=7, state_48=0, state_50=0, state_56=0, state_64=0, state_69=0, state_74=0, state_7=0, state_80=1, var_116=1, var_11=6, var_14=36, var_159=7, var_16=5, var_19=2544, var_21=4, var_24=9, var_26=3, var_29=54, var_31=2, var_34=18, var_36=1, var_40=0, var_42=36, var_43=36, var_45=0, var_4=576, var_52=4, var_58_arg_0=4, var_62=0, var_67=0, var_72=0, var_77=1, var_83=0] [L219] EXPR var_58_arg_0 & mask_SORT_5 VAL [mask_SORT_1=1, mask_SORT_46=31, mask_SORT_5=7, state_48=0, state_50=0, state_56=0, state_64=0, state_69=0, state_74=0, state_7=0, state_80=1, var_116=1, var_11=6, var_14=36, var_159=7, var_16=5, var_19=2544, var_21=4, var_24=9, var_26=3, var_29=54, var_31=2, var_34=18, var_36=1, var_40=0, var_42=36, var_43=36, var_45=0, var_4=576, var_52=4, var_62=0, var_67=0, var_72=0, var_77=1, var_83=0] [L219] var_58_arg_0 = var_58_arg_0 & mask_SORT_5 [L220] SORT_9 var_58 = var_58_arg_0; [L221] SORT_9 var_59_arg_0 = var_58; [L222] SORT_9 var_59_arg_1 = var_16; [L223] SORT_1 var_59 = var_59_arg_0 == var_59_arg_1; [L224] SORT_5 var_53_arg_0 = var_52; VAL [mask_SORT_1=1, mask_SORT_46=31, mask_SORT_5=7, state_48=0, state_50=0, state_56=0, state_64=0, state_69=0, state_74=0, state_7=0, state_80=1, var_116=1, var_11=6, var_14=36, var_159=7, var_16=5, var_19=2544, var_21=4, var_24=9, var_26=3, var_29=54, var_31=2, var_34=18, var_36=1, var_40=0, var_42=36, var_43=36, var_45=0, var_4=576, var_53_arg_0=4, var_59=0, var_62=0, var_67=0, var_72=0, var_77=1, var_83=0] [L225] EXPR var_53_arg_0 & mask_SORT_5 VAL [mask_SORT_1=1, mask_SORT_46=31, mask_SORT_5=7, state_48=0, state_50=0, state_56=0, state_64=0, state_69=0, state_74=0, state_7=0, state_80=1, var_116=1, var_11=6, var_14=36, var_159=7, var_16=5, var_19=2544, var_21=4, var_24=9, var_26=3, var_29=54, var_31=2, var_34=18, var_36=1, var_40=0, var_42=36, var_43=36, var_45=0, var_4=576, var_59=0, var_62=0, var_67=0, var_72=0, var_77=1, var_83=0] [L225] var_53_arg_0 = var_53_arg_0 & mask_SORT_5 [L226] SORT_9 var_53 = var_53_arg_0; [L227] SORT_9 var_54_arg_0 = var_53; [L228] SORT_9 var_54_arg_1 = var_11; [L229] SORT_1 var_54 = var_54_arg_0 == var_54_arg_1; [L230] SORT_1 var_55_arg_0 = var_54; [L231] SORT_46 var_55_arg_1 = state_50; [L232] SORT_46 var_55_arg_2 = state_48; [L233] SORT_46 var_55 = var_55_arg_0 ? var_55_arg_1 : var_55_arg_2; [L234] SORT_1 var_60_arg_0 = var_59; [L235] SORT_46 var_60_arg_1 = state_56; [L236] SORT_46 var_60_arg_2 = var_55; [L237] SORT_46 var_60 = var_60_arg_0 ? var_60_arg_1 : var_60_arg_2; [L238] SORT_1 var_63_arg_0 = var_62; [L239] SORT_46 var_63_arg_1 = state_56; [L240] SORT_46 var_63_arg_2 = var_60; [L241] SORT_46 var_63 = var_63_arg_0 ? var_63_arg_1 : var_63_arg_2; [L242] SORT_1 var_68_arg_0 = var_67; [L243] SORT_46 var_68_arg_1 = state_64; [L244] SORT_46 var_68_arg_2 = var_63; [L245] SORT_46 var_68 = var_68_arg_0 ? var_68_arg_1 : var_68_arg_2; [L246] SORT_1 var_73_arg_0 = var_72; [L247] SORT_46 var_73_arg_1 = state_69; [L248] SORT_46 var_73_arg_2 = var_68; [L249] SORT_46 var_73 = var_73_arg_0 ? var_73_arg_1 : var_73_arg_2; [L250] SORT_1 var_78_arg_0 = var_77; [L251] SORT_46 var_78_arg_1 = state_74; [L252] SORT_46 var_78_arg_2 = var_73; [L253] SORT_46 var_78 = var_78_arg_0 ? var_78_arg_1 : var_78_arg_2; [L254] SORT_1 var_84_arg_0 = var_83; [L255] SORT_46 var_84_arg_1 = state_80; [L256] SORT_46 var_84_arg_2 = var_78; [L257] SORT_46 var_84 = var_84_arg_0 ? var_84_arg_1 : var_84_arg_2; [L258] SORT_46 var_85_arg_0 = var_84; VAL [mask_SORT_1=1, mask_SORT_46=31, mask_SORT_5=7, state_48=0, state_50=0, state_56=0, state_64=0, state_69=0, state_74=0, state_7=0, state_80=1, var_116=1, var_11=6, var_14=36, var_159=7, var_16=5, var_19=2544, var_21=4, var_24=9, var_26=3, var_29=54, var_31=2, var_34=18, var_36=1, var_40=0, var_42=36, var_43=36, var_45=0, var_4=576, var_84=0, var_85_arg_0=0] [L259] EXPR var_85_arg_0 & mask_SORT_46 VAL [mask_SORT_1=1, mask_SORT_46=31, mask_SORT_5=7, state_48=0, state_50=0, state_56=0, state_64=0, state_69=0, state_74=0, state_7=0, state_80=1, var_116=1, var_11=6, var_14=36, var_159=7, var_16=5, var_19=2544, var_21=4, var_24=9, var_26=3, var_29=54, var_31=2, var_34=18, var_36=1, var_40=0, var_42=36, var_43=36, var_45=0, var_4=576, var_84=0] [L259] var_85_arg_0 = var_85_arg_0 & mask_SORT_46 [L260] SORT_9 var_85 = var_85_arg_0; [L261] SORT_9 var_86_arg_0 = var_85; [L262] SORT_9 var_86_arg_1 = var_40; [L263] SORT_1 var_86 = var_86_arg_0 == var_86_arg_1; [L264] SORT_1 var_87_arg_0 = var_45; [L265] SORT_1 var_87_arg_1 = var_86; VAL [mask_SORT_1=1, mask_SORT_46=31, mask_SORT_5=7, state_48=0, state_50=0, state_56=0, state_64=0, state_69=0, state_74=0, state_7=0, state_80=1, var_116=1, var_11=6, var_14=36, var_159=7, var_16=5, var_19=2544, var_21=4, var_24=9, var_26=3, var_29=54, var_31=2, var_34=18, var_36=1, var_40=0, var_42=36, var_43=36, var_4=576, var_84=0, var_87_arg_0=0, var_87_arg_1=1] [L266] EXPR var_87_arg_0 & var_87_arg_1 VAL [mask_SORT_1=1, mask_SORT_46=31, mask_SORT_5=7, state_48=0, state_50=0, state_56=0, state_64=0, state_69=0, state_74=0, state_7=0, state_80=1, var_116=1, var_11=6, var_14=36, var_159=7, var_16=5, var_19=2544, var_21=4, var_24=9, var_26=3, var_29=54, var_31=2, var_34=18, var_36=1, var_40=0, var_42=36, var_43=36, var_4=576, var_84=0] [L266] SORT_1 var_87 = var_87_arg_0 & var_87_arg_1; [L267] SORT_1 var_88_arg_0 = var_87; [L268] SORT_1 var_88 = ~var_88_arg_0; [L269] SORT_3 var_89_arg_0 = var_42; [L270] SORT_5 var_89 = var_89_arg_0 >> 6; [L271] SORT_5 var_108_arg_0 = var_89; VAL [mask_SORT_1=1, mask_SORT_46=31, mask_SORT_5=7, state_48=0, state_50=0, state_56=0, state_64=0, state_69=0, state_74=0, state_7=0, state_80=1, var_108_arg_0=0, var_116=1, var_11=6, var_14=36, var_159=7, var_16=5, var_19=2544, var_21=4, var_24=9, var_26=3, var_29=54, var_31=2, var_34=18, var_36=1, var_40=0, var_42=36, var_43=36, var_4=576, var_84=0, var_88=-1, var_89=0] [L272] EXPR var_108_arg_0 & mask_SORT_5 VAL [mask_SORT_1=1, mask_SORT_46=31, mask_SORT_5=7, state_48=0, state_50=0, state_56=0, state_64=0, state_69=0, state_74=0, state_7=0, state_80=1, var_116=1, var_11=6, var_14=36, var_159=7, var_16=5, var_19=2544, var_21=4, var_24=9, var_26=3, var_29=54, var_31=2, var_34=18, var_36=1, var_40=0, var_42=36, var_43=36, var_4=576, var_84=0, var_88=-1, var_89=0] [L272] var_108_arg_0 = var_108_arg_0 & mask_SORT_5 [L273] SORT_9 var_108 = var_108_arg_0; [L274] SORT_9 var_109_arg_0 = var_108; [L275] SORT_9 var_109_arg_1 = var_40; [L276] SORT_1 var_109 = var_109_arg_0 == var_109_arg_1; [L277] SORT_5 var_105_arg_0 = var_89; VAL [mask_SORT_1=1, mask_SORT_46=31, mask_SORT_5=7, state_48=0, state_50=0, state_56=0, state_64=0, state_69=0, state_74=0, state_7=0, state_80=1, var_105_arg_0=0, var_109=1, var_116=1, var_11=6, var_14=36, var_159=7, var_16=5, var_19=2544, var_21=4, var_24=9, var_26=3, var_29=54, var_31=2, var_34=18, var_36=1, var_40=0, var_42=36, var_43=36, var_4=576, var_84=0, var_88=-1, var_89=0] [L278] EXPR var_105_arg_0 & mask_SORT_5 VAL [mask_SORT_1=1, mask_SORT_46=31, mask_SORT_5=7, state_48=0, state_50=0, state_56=0, state_64=0, state_69=0, state_74=0, state_7=0, state_80=1, var_109=1, var_116=1, var_11=6, var_14=36, var_159=7, var_16=5, var_19=2544, var_21=4, var_24=9, var_26=3, var_29=54, var_31=2, var_34=18, var_36=1, var_40=0, var_42=36, var_43=36, var_4=576, var_84=0, var_88=-1, var_89=0] [L278] var_105_arg_0 = var_105_arg_0 & mask_SORT_5 [L279] SORT_9 var_105 = var_105_arg_0; [L280] SORT_9 var_106_arg_0 = var_105; [L281] SORT_9 var_106_arg_1 = var_36; [L282] SORT_1 var_106 = var_106_arg_0 == var_106_arg_1; [L283] SORT_5 var_102_arg_0 = var_89; VAL [mask_SORT_1=1, mask_SORT_46=31, mask_SORT_5=7, state_48=0, state_50=0, state_56=0, state_64=0, state_69=0, state_74=0, state_7=0, state_80=1, var_102_arg_0=0, var_106=0, var_109=1, var_116=1, var_11=6, var_14=36, var_159=7, var_16=5, var_19=2544, var_21=4, var_24=9, var_26=3, var_29=54, var_31=2, var_34=18, var_36=1, var_40=0, var_42=36, var_43=36, var_4=576, var_84=0, var_88=-1, var_89=0] [L284] EXPR var_102_arg_0 & mask_SORT_5 VAL [mask_SORT_1=1, mask_SORT_46=31, mask_SORT_5=7, state_48=0, state_50=0, state_56=0, state_64=0, state_69=0, state_74=0, state_7=0, state_80=1, var_106=0, var_109=1, var_116=1, var_11=6, var_14=36, var_159=7, var_16=5, var_19=2544, var_21=4, var_24=9, var_26=3, var_29=54, var_31=2, var_34=18, var_36=1, var_40=0, var_42=36, var_43=36, var_4=576, var_84=0, var_88=-1, var_89=0] [L284] var_102_arg_0 = var_102_arg_0 & mask_SORT_5 [L285] SORT_9 var_102 = var_102_arg_0; [L286] SORT_9 var_103_arg_0 = var_102; [L287] SORT_9 var_103_arg_1 = var_31; [L288] SORT_1 var_103 = var_103_arg_0 == var_103_arg_1; [L289] SORT_5 var_99_arg_0 = var_89; VAL [mask_SORT_1=1, mask_SORT_46=31, mask_SORT_5=7, state_48=0, state_50=0, state_56=0, state_64=0, state_69=0, state_74=0, state_7=0, state_80=1, var_103=0, var_106=0, var_109=1, var_116=1, var_11=6, var_14=36, var_159=7, var_16=5, var_19=2544, var_21=4, var_24=9, var_26=3, var_29=54, var_31=2, var_34=18, var_36=1, var_40=0, var_42=36, var_43=36, var_4=576, var_84=0, var_88=-1, var_89=0, var_99_arg_0=0] [L290] EXPR var_99_arg_0 & mask_SORT_5 VAL [mask_SORT_1=1, mask_SORT_46=31, mask_SORT_5=7, state_48=0, state_50=0, state_56=0, state_64=0, state_69=0, state_74=0, state_7=0, state_80=1, var_103=0, var_106=0, var_109=1, var_116=1, var_11=6, var_14=36, var_159=7, var_16=5, var_19=2544, var_21=4, var_24=9, var_26=3, var_29=54, var_31=2, var_34=18, var_36=1, var_40=0, var_42=36, var_43=36, var_4=576, var_84=0, var_88=-1, var_89=0] [L290] var_99_arg_0 = var_99_arg_0 & mask_SORT_5 [L291] SORT_9 var_99 = var_99_arg_0; [L292] SORT_9 var_100_arg_0 = var_99; [L293] SORT_9 var_100_arg_1 = var_26; [L294] SORT_1 var_100 = var_100_arg_0 == var_100_arg_1; [L295] SORT_5 var_96_arg_0 = var_89; VAL [mask_SORT_1=1, mask_SORT_46=31, mask_SORT_5=7, state_48=0, state_50=0, state_56=0, state_64=0, state_69=0, state_74=0, state_7=0, state_80=1, var_100=0, var_103=0, var_106=0, var_109=1, var_116=1, var_11=6, var_14=36, var_159=7, var_16=5, var_19=2544, var_21=4, var_24=9, var_26=3, var_29=54, var_31=2, var_34=18, var_36=1, var_40=0, var_42=36, var_43=36, var_4=576, var_84=0, var_88=-1, var_89=0, var_96_arg_0=0] [L296] EXPR var_96_arg_0 & mask_SORT_5 VAL [mask_SORT_1=1, mask_SORT_46=31, mask_SORT_5=7, state_48=0, state_50=0, state_56=0, state_64=0, state_69=0, state_74=0, state_7=0, state_80=1, var_100=0, var_103=0, var_106=0, var_109=1, var_116=1, var_11=6, var_14=36, var_159=7, var_16=5, var_19=2544, var_21=4, var_24=9, var_26=3, var_29=54, var_31=2, var_34=18, var_36=1, var_40=0, var_42=36, var_43=36, var_4=576, var_84=0, var_88=-1, var_89=0] [L296] var_96_arg_0 = var_96_arg_0 & mask_SORT_5 [L297] SORT_9 var_96 = var_96_arg_0; [L298] SORT_9 var_97_arg_0 = var_96; [L299] SORT_9 var_97_arg_1 = var_21; [L300] SORT_1 var_97 = var_97_arg_0 == var_97_arg_1; [L301] SORT_5 var_93_arg_0 = var_89; VAL [mask_SORT_1=1, mask_SORT_46=31, mask_SORT_5=7, state_48=0, state_50=0, state_56=0, state_64=0, state_69=0, state_74=0, state_7=0, state_80=1, var_100=0, var_103=0, var_106=0, var_109=1, var_116=1, var_11=6, var_14=36, var_159=7, var_16=5, var_19=2544, var_21=4, var_24=9, var_26=3, var_29=54, var_31=2, var_34=18, var_36=1, var_40=0, var_42=36, var_43=36, var_4=576, var_84=0, var_88=-1, var_89=0, var_93_arg_0=0, var_97=0] [L302] EXPR var_93_arg_0 & mask_SORT_5 VAL [mask_SORT_1=1, mask_SORT_46=31, mask_SORT_5=7, state_48=0, state_50=0, state_56=0, state_64=0, state_69=0, state_74=0, state_7=0, state_80=1, var_100=0, var_103=0, var_106=0, var_109=1, var_116=1, var_11=6, var_14=36, var_159=7, var_16=5, var_19=2544, var_21=4, var_24=9, var_26=3, var_29=54, var_31=2, var_34=18, var_36=1, var_40=0, var_42=36, var_43=36, var_4=576, var_84=0, var_88=-1, var_89=0, var_97=0] [L302] var_93_arg_0 = var_93_arg_0 & mask_SORT_5 [L303] SORT_9 var_93 = var_93_arg_0; [L304] SORT_9 var_94_arg_0 = var_93; [L305] SORT_9 var_94_arg_1 = var_16; [L306] SORT_1 var_94 = var_94_arg_0 == var_94_arg_1; [L307] SORT_5 var_90_arg_0 = var_89; VAL [mask_SORT_1=1, mask_SORT_46=31, mask_SORT_5=7, state_48=0, state_50=0, state_56=0, state_64=0, state_69=0, state_74=0, state_7=0, state_80=1, var_100=0, var_103=0, var_106=0, var_109=1, var_116=1, var_11=6, var_14=36, var_159=7, var_16=5, var_19=2544, var_21=4, var_24=9, var_26=3, var_29=54, var_31=2, var_34=18, var_36=1, var_40=0, var_42=36, var_43=36, var_4=576, var_84=0, var_88=-1, var_90_arg_0=0, var_94=0, var_97=0] [L308] EXPR var_90_arg_0 & mask_SORT_5 VAL [mask_SORT_1=1, mask_SORT_46=31, mask_SORT_5=7, state_48=0, state_50=0, state_56=0, state_64=0, state_69=0, state_74=0, state_7=0, state_80=1, var_100=0, var_103=0, var_106=0, var_109=1, var_116=1, var_11=6, var_14=36, var_159=7, var_16=5, var_19=2544, var_21=4, var_24=9, var_26=3, var_29=54, var_31=2, var_34=18, var_36=1, var_40=0, var_42=36, var_43=36, var_4=576, var_84=0, var_88=-1, var_94=0, var_97=0] [L308] var_90_arg_0 = var_90_arg_0 & mask_SORT_5 [L309] SORT_9 var_90 = var_90_arg_0; [L310] SORT_9 var_91_arg_0 = var_90; [L311] SORT_9 var_91_arg_1 = var_11; [L312] SORT_1 var_91 = var_91_arg_0 == var_91_arg_1; [L313] SORT_1 var_92_arg_0 = var_91; [L314] SORT_46 var_92_arg_1 = state_50; [L315] SORT_46 var_92_arg_2 = state_48; [L316] SORT_46 var_92 = var_92_arg_0 ? var_92_arg_1 : var_92_arg_2; [L317] SORT_1 var_95_arg_0 = var_94; [L318] SORT_46 var_95_arg_1 = state_56; [L319] SORT_46 var_95_arg_2 = var_92; [L320] SORT_46 var_95 = var_95_arg_0 ? var_95_arg_1 : var_95_arg_2; [L321] SORT_1 var_98_arg_0 = var_97; [L322] SORT_46 var_98_arg_1 = state_56; [L323] SORT_46 var_98_arg_2 = var_95; [L324] SORT_46 var_98 = var_98_arg_0 ? var_98_arg_1 : var_98_arg_2; [L325] SORT_1 var_101_arg_0 = var_100; [L326] SORT_46 var_101_arg_1 = state_64; [L327] SORT_46 var_101_arg_2 = var_98; [L328] SORT_46 var_101 = var_101_arg_0 ? var_101_arg_1 : var_101_arg_2; [L329] SORT_1 var_104_arg_0 = var_103; [L330] SORT_46 var_104_arg_1 = state_69; [L331] SORT_46 var_104_arg_2 = var_101; [L332] SORT_46 var_104 = var_104_arg_0 ? var_104_arg_1 : var_104_arg_2; [L333] SORT_1 var_107_arg_0 = var_106; [L334] SORT_46 var_107_arg_1 = state_74; [L335] SORT_46 var_107_arg_2 = var_104; [L336] SORT_46 var_107 = var_107_arg_0 ? var_107_arg_1 : var_107_arg_2; [L337] SORT_1 var_110_arg_0 = var_109; [L338] SORT_46 var_110_arg_1 = state_80; [L339] SORT_46 var_110_arg_2 = var_107; [L340] SORT_46 var_110 = var_110_arg_0 ? var_110_arg_1 : var_110_arg_2; [L341] SORT_46 var_111_arg_0 = var_110; [L342] SORT_5 var_111 = var_111_arg_0 >> 0; VAL [mask_SORT_1=1, mask_SORT_46=31, mask_SORT_5=7, state_48=0, state_50=0, state_56=0, state_64=0, state_69=0, state_74=0, state_7=0, state_80=1, var_110=1, var_111=1, var_116=1, var_11=6, var_14=36, var_159=7, var_16=5, var_19=2544, var_21=4, var_24=9, var_26=3, var_29=54, var_31=2, var_34=18, var_36=1, var_40=0, var_42=36, var_43=36, var_4=576, var_84=0, var_88=-1] [L343] EXPR var_111 & mask_SORT_5 VAL [mask_SORT_1=1, mask_SORT_46=31, mask_SORT_5=7, state_48=0, state_50=0, state_56=0, state_64=0, state_69=0, state_74=0, state_7=0, state_80=1, var_110=1, var_116=1, var_11=6, var_14=36, var_159=7, var_16=5, var_19=2544, var_21=4, var_24=9, var_26=3, var_29=54, var_31=2, var_34=18, var_36=1, var_40=0, var_42=36, var_43=36, var_4=576, var_84=0, var_88=-1] [L343] var_111 = var_111 & mask_SORT_5 [L344] SORT_5 var_112_arg_0 = state_7; [L345] SORT_5 var_112_arg_1 = var_111; [L346] SORT_1 var_112 = var_112_arg_0 == var_112_arg_1; [L347] SORT_1 var_113_arg_0 = var_88; [L348] SORT_1 var_113_arg_1 = var_112; VAL [mask_SORT_1=1, mask_SORT_46=31, mask_SORT_5=7, state_48=0, state_50=0, state_56=0, state_64=0, state_69=0, state_74=0, state_7=0, state_80=1, var_110=1, var_111=1, var_113_arg_0=-1, var_113_arg_1=0, var_116=1, var_11=6, var_14=36, var_159=7, var_16=5, var_19=2544, var_21=4, var_24=9, var_26=3, var_29=54, var_31=2, var_34=18, var_36=1, var_40=0, var_42=36, var_43=36, var_4=576, var_84=0] [L349] EXPR var_113_arg_0 & var_113_arg_1 VAL [mask_SORT_1=1, mask_SORT_46=31, mask_SORT_5=7, state_48=0, state_50=0, state_56=0, state_64=0, state_69=0, state_74=0, state_7=0, state_80=1, var_110=1, var_111=1, var_116=1, var_11=6, var_14=36, var_159=7, var_16=5, var_19=2544, var_21=4, var_24=9, var_26=3, var_29=54, var_31=2, var_34=18, var_36=1, var_40=0, var_42=36, var_43=36, var_4=576, var_84=0] [L349] SORT_1 var_113 = var_113_arg_0 & var_113_arg_1; [L350] SORT_1 var_117_arg_0 = var_113; [L351] SORT_1 var_117 = ~var_117_arg_0; [L352] SORT_1 var_118_arg_0 = var_116; [L353] SORT_1 var_118_arg_1 = var_117; VAL [mask_SORT_1=1, mask_SORT_46=31, mask_SORT_5=7, state_48=0, state_50=0, state_56=0, state_64=0, state_69=0, state_74=0, state_7=0, state_80=1, var_110=1, var_111=1, var_116=1, var_118_arg_0=1, var_118_arg_1=-1, var_11=6, var_14=36, var_159=7, var_16=5, var_19=2544, var_21=4, var_24=9, var_26=3, var_29=54, var_31=2, var_34=18, var_36=1, var_40=0, var_42=36, var_43=36, var_4=576, var_84=0] [L354] EXPR var_118_arg_0 & var_118_arg_1 VAL [mask_SORT_1=1, mask_SORT_46=31, mask_SORT_5=7, state_48=0, state_50=0, state_56=0, state_64=0, state_69=0, state_74=0, state_7=0, state_80=1, var_110=1, var_111=1, var_116=1, var_11=6, var_14=36, var_159=7, var_16=5, var_19=2544, var_21=4, var_24=9, var_26=3, var_29=54, var_31=2, var_34=18, var_36=1, var_40=0, var_42=36, var_43=36, var_4=576, var_84=0] [L354] SORT_1 var_118 = var_118_arg_0 & var_118_arg_1; [L355] EXPR var_118 & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_46=31, mask_SORT_5=7, state_48=0, state_50=0, state_56=0, state_64=0, state_69=0, state_74=0, state_7=0, state_80=1, var_110=1, var_111=1, var_116=1, var_11=6, var_14=36, var_159=7, var_16=5, var_19=2544, var_21=4, var_24=9, var_26=3, var_29=54, var_31=2, var_34=18, var_36=1, var_40=0, var_42=36, var_43=36, var_4=576, var_84=0] [L355] var_118 = var_118 & mask_SORT_1 [L356] SORT_1 bad_119_arg_0 = var_118; [L357] CALL __VERIFIER_assert(!(bad_119_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 256 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 174.9s, OverallIterations: 57, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 91.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 6 mSolverCounterUnknown, 22427 SdHoareTripleChecker+Valid, 76.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 22427 mSDsluCounter, 66663 SdHoareTripleChecker+Invalid, 70.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 10 IncrementalHoareTripleChecker+Unchecked, 51979 mSDsCounter, 179 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 53906 IncrementalHoareTripleChecker+Invalid, 54101 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 179 mSolverCounterUnsat, 14684 mSDtfsCounter, 53906 mSolverCounterSat, 0.5s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 661 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 510 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 963 ImplicationChecksByTransitivity, 17.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1751occurred in iteration=55, InterpolantAutomatonStates: 432, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 56 MinimizatonAttempts, 7615 StatesRemovedByMinimization, 52 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 17.2s SatisfiabilityAnalysisTime, 60.8s InterpolantComputationTime, 4972 NumberOfCodeBlocks, 4972 NumberOfCodeBlocksAsserted, 57 NumberOfCheckSat, 4818 ConstructedInterpolants, 0 QuantifiedInterpolants, 27312 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 56 InterpolantComputations, 56 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 16:29:44,263 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bfb677-e0a0-47bd-b8c1-b5b4926f3da0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bfb677-e0a0-47bd-b8c1-b5b4926f3da0/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bfb677-e0a0-47bd-b8c1-b5b4926f3da0/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bfb677-e0a0-47bd-b8c1-b5b4926f3da0/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bfb677-e0a0-47bd-b8c1-b5b4926f3da0/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.v_non-pipelined-microprocessor.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bfb677-e0a0-47bd-b8c1-b5b4926f3da0/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bfb677-e0a0-47bd-b8c1-b5b4926f3da0/bin/uautomizer-verify-jihMAELWvX --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 013fc4a889617293119ec23d82d2fd495e032e9bab1929da87247ff74d1355ed --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 16:29:46,728 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 16:29:46,830 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bfb677-e0a0-47bd-b8c1-b5b4926f3da0/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-08 16:29:46,835 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 16:29:46,836 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 16:29:46,872 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 16:29:46,872 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 16:29:46,875 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 16:29:46,875 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 16:29:46,876 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 16:29:46,876 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 16:29:46,876 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 16:29:46,877 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 16:29:46,879 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 16:29:46,880 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 16:29:46,880 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 16:29:46,881 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 16:29:46,881 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 16:29:46,884 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 16:29:46,885 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 16:29:46,885 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 16:29:46,886 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 16:29:46,886 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 16:29:46,886 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 16:29:46,886 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 16:29:46,887 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 16:29:46,887 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 16:29:46,887 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 16:29:46,887 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 16:29:46,888 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 16:29:46,888 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 16:29:46,888 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:29:46,888 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 16:29:46,889 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 16:29:46,889 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 16:29:46,889 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-08 16:29:46,892 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 16:29:46,893 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 16:29:46,893 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 16:29:46,894 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 16:29:46,894 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 16:29:46,894 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bfb677-e0a0-47bd-b8c1-b5b4926f3da0/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bfb677-e0a0-47bd-b8c1-b5b4926f3da0/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 013fc4a889617293119ec23d82d2fd495e032e9bab1929da87247ff74d1355ed [2024-11-08 16:29:47,305 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 16:29:47,344 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 16:29:47,347 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 16:29:47,348 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 16:29:47,349 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 16:29:47,351 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bfb677-e0a0-47bd-b8c1-b5b4926f3da0/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.v_non-pipelined-microprocessor.c Unable to find full path for "g++" [2024-11-08 16:29:49,747 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 16:29:50,059 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 16:29:50,060 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bfb677-e0a0-47bd-b8c1-b5b4926f3da0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.v_non-pipelined-microprocessor.c [2024-11-08 16:29:50,073 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bfb677-e0a0-47bd-b8c1-b5b4926f3da0/bin/uautomizer-verify-jihMAELWvX/data/cc2c16886/90a07e4ece8b4043a5ccb6c2a58da55e/FLAGa56f0510e [2024-11-08 16:29:50,089 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bfb677-e0a0-47bd-b8c1-b5b4926f3da0/bin/uautomizer-verify-jihMAELWvX/data/cc2c16886/90a07e4ece8b4043a5ccb6c2a58da55e [2024-11-08 16:29:50,092 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 16:29:50,094 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 16:29:50,096 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 16:29:50,096 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 16:29:50,106 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 16:29:50,107 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:29:50" (1/1) ... [2024-11-08 16:29:50,111 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1df09766 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:29:50, skipping insertion in model container [2024-11-08 16:29:50,112 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:29:50" (1/1) ... [2024-11-08 16:29:50,157 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 16:29:50,425 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_95bfb677-e0a0-47bd-b8c1-b5b4926f3da0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.v_non-pipelined-microprocessor.c[1270,1283] [2024-11-08 16:29:50,675 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:29:50,695 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 16:29:50,708 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_95bfb677-e0a0-47bd-b8c1-b5b4926f3da0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.v_non-pipelined-microprocessor.c[1270,1283] [2024-11-08 16:29:50,814 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:29:50,833 INFO L204 MainTranslator]: Completed translation [2024-11-08 16:29:50,834 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:29:50 WrapperNode [2024-11-08 16:29:50,834 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 16:29:50,839 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 16:29:50,839 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 16:29:50,840 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 16:29:50,847 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:29:50" (1/1) ... [2024-11-08 16:29:50,871 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:29:50" (1/1) ... [2024-11-08 16:29:50,948 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 612 [2024-11-08 16:29:50,949 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 16:29:50,950 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 16:29:50,950 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 16:29:50,950 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 16:29:50,964 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:29:50" (1/1) ... [2024-11-08 16:29:50,964 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:29:50" (1/1) ... [2024-11-08 16:29:50,977 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:29:50" (1/1) ... [2024-11-08 16:29:51,026 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-08 16:29:51,029 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:29:50" (1/1) ... [2024-11-08 16:29:51,030 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:29:50" (1/1) ... [2024-11-08 16:29:51,047 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:29:50" (1/1) ... [2024-11-08 16:29:51,051 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:29:50" (1/1) ... [2024-11-08 16:29:51,053 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:29:50" (1/1) ... [2024-11-08 16:29:51,057 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:29:50" (1/1) ... [2024-11-08 16:29:51,067 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 16:29:51,069 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 16:29:51,073 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 16:29:51,074 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 16:29:51,075 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:29:50" (1/1) ... [2024-11-08 16:29:51,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:29:51,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bfb677-e0a0-47bd-b8c1-b5b4926f3da0/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:29:51,109 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bfb677-e0a0-47bd-b8c1-b5b4926f3da0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 16:29:51,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bfb677-e0a0-47bd-b8c1-b5b4926f3da0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 16:29:51,140 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 16:29:51,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-08 16:29:51,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 16:29:51,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 16:29:51,378 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 16:29:51,380 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 16:29:52,168 INFO L? ?]: Removed 249 outVars from TransFormulas that were not future-live. [2024-11-08 16:29:52,168 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 16:29:52,179 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 16:29:52,181 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 16:29:52,182 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:29:52 BoogieIcfgContainer [2024-11-08 16:29:52,182 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 16:29:52,187 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 16:29:52,187 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 16:29:52,190 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 16:29:52,191 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 04:29:50" (1/3) ... [2024-11-08 16:29:52,191 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9a28850 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:29:52, skipping insertion in model container [2024-11-08 16:29:52,192 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:29:50" (2/3) ... [2024-11-08 16:29:52,192 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9a28850 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:29:52, skipping insertion in model container [2024-11-08 16:29:52,192 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:29:52" (3/3) ... [2024-11-08 16:29:52,196 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.v_non-pipelined-microprocessor.c [2024-11-08 16:29:52,217 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 16:29:52,217 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 16:29:52,287 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 16:29:52,294 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;@69018412, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 16:29:52,295 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 16:29:52,300 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:29:52,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-08 16:29:52,310 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:29:52,310 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-08 16:29:52,312 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:29:52,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:29:52,318 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2024-11-08 16:29:52,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:29:52,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [255968601] [2024-11-08 16:29:52,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:29:52,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:29:52,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bfb677-e0a0-47bd-b8c1-b5b4926f3da0/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:29:52,336 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bfb677-e0a0-47bd-b8c1-b5b4926f3da0/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:29:52,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bfb677-e0a0-47bd-b8c1-b5b4926f3da0/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 16:29:52,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:29:52,702 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 16:29:52,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:29:52,998 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-11-08 16:29:53,004 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 16:29:53,006 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 16:29:53,038 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bfb677-e0a0-47bd-b8c1-b5b4926f3da0/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 16:29:53,208 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bfb677-e0a0-47bd-b8c1-b5b4926f3da0/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:29:53,213 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-08 16:29:53,238 WARN L290 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2024-11-08 16:29:53,254 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 16:29:53,260 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 04:29:53 BoogieIcfgContainer [2024-11-08 16:29:53,261 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 16:29:53,261 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 16:29:53,261 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 16:29:53,261 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 16:29:53,262 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:29:52" (3/4) ... [2024-11-08 16:29:53,265 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-08 16:29:53,280 WARN L290 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2024-11-08 16:29:53,358 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bfb677-e0a0-47bd-b8c1-b5b4926f3da0/bin/uautomizer-verify-jihMAELWvX/witness.graphml [2024-11-08 16:29:53,358 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 16:29:53,359 INFO L158 Benchmark]: Toolchain (without parser) took 3265.51ms. Allocated memory was 71.3MB in the beginning and 119.5MB in the end (delta: 48.2MB). Free memory was 46.6MB in the beginning and 75.9MB in the end (delta: -29.3MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. [2024-11-08 16:29:53,360 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 71.3MB. Free memory was 46.8MB in the beginning and 46.7MB in the end (delta: 94.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 16:29:53,360 INFO L158 Benchmark]: CACSL2BoogieTranslator took 743.23ms. Allocated memory was 71.3MB in the beginning and 98.6MB in the end (delta: 27.3MB). Free memory was 46.3MB in the beginning and 61.4MB in the end (delta: -15.1MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2024-11-08 16:29:53,361 INFO L158 Benchmark]: Boogie Procedure Inliner took 110.04ms. Allocated memory is still 98.6MB. Free memory was 61.4MB in the beginning and 55.8MB in the end (delta: 5.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 16:29:53,361 INFO L158 Benchmark]: Boogie Preprocessor took 117.77ms. Allocated memory is still 98.6MB. Free memory was 55.8MB in the beginning and 71.7MB in the end (delta: -15.9MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. [2024-11-08 16:29:53,362 INFO L158 Benchmark]: RCFGBuilder took 1113.09ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 71.7MB in the beginning and 85.4MB in the end (delta: -13.7MB). Peak memory consumption was 33.3MB. Max. memory is 16.1GB. [2024-11-08 16:29:53,362 INFO L158 Benchmark]: TraceAbstraction took 1073.99ms. Allocated memory is still 119.5MB. Free memory was 85.4MB in the beginning and 82.2MB in the end (delta: 3.2MB). Peak memory consumption was 40.0MB. Max. memory is 16.1GB. [2024-11-08 16:29:53,363 INFO L158 Benchmark]: Witness Printer took 97.40ms. Allocated memory is still 119.5MB. Free memory was 82.2MB in the beginning and 75.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-08 16:29:53,365 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 71.3MB. Free memory was 46.8MB in the beginning and 46.7MB in the end (delta: 94.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 743.23ms. Allocated memory was 71.3MB in the beginning and 98.6MB in the end (delta: 27.3MB). Free memory was 46.3MB in the beginning and 61.4MB in the end (delta: -15.1MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 110.04ms. Allocated memory is still 98.6MB. Free memory was 61.4MB in the beginning and 55.8MB in the end (delta: 5.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 117.77ms. Allocated memory is still 98.6MB. Free memory was 55.8MB in the beginning and 71.7MB in the end (delta: -15.9MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1113.09ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 71.7MB in the beginning and 85.4MB in the end (delta: -13.7MB). Peak memory consumption was 33.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1073.99ms. Allocated memory is still 119.5MB. Free memory was 85.4MB in the beginning and 82.2MB in the end (delta: 3.2MB). Peak memory consumption was 40.0MB. Max. memory is 16.1GB. * Witness Printer took 97.40ms. Allocated memory is still 119.5MB. Free memory was 82.2MB in the beginning and 75.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 21]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 12); [L30] const SORT_3 msb_SORT_3 = (SORT_3)1 << (12 - 1); [L32] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 3); [L33] const SORT_5 msb_SORT_5 = (SORT_5)1 << (3 - 1); [L35] const SORT_9 mask_SORT_9 = (SORT_9)-1 >> (sizeof(SORT_9) * 8 - 32); [L36] const SORT_9 msb_SORT_9 = (SORT_9)1 << (32 - 1); [L38] const SORT_46 mask_SORT_46 = (SORT_46)-1 >> (sizeof(SORT_46) * 8 - 5); [L39] const SORT_46 msb_SORT_46 = (SORT_46)1 << (5 - 1); [L41] const SORT_3 var_4 = 576; [L42] const SORT_5 var_6 = 0; [L43] const SORT_9 var_11 = 6; [L44] const SORT_3 var_14 = 36; [L45] const SORT_9 var_16 = 5; [L46] const SORT_3 var_19 = 2544; [L47] const SORT_9 var_21 = 4; [L48] const SORT_3 var_24 = 9; [L49] const SORT_9 var_26 = 3; [L50] const SORT_3 var_29 = 54; [L51] const SORT_9 var_31 = 2; [L52] const SORT_3 var_34 = 18; [L53] const SORT_9 var_36 = 1; [L54] const SORT_9 var_40 = 0; [L55] const SORT_46 var_47 = 0; [L56] const SORT_46 var_79 = 1; [L57] const SORT_1 var_116 = 1; [L58] const SORT_9 var_159 = 7; [L60] SORT_1 input_2; [L61] SORT_46 input_143; [L62] SORT_46 input_156; [L63] SORT_46 input_167; [L64] SORT_46 input_174; [L65] SORT_46 input_181; [L66] SORT_46 input_188; [L67] SORT_46 input_195; [L68] SORT_46 input_202; [L70] SORT_5 state_7 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L71] SORT_46 state_48 = __VERIFIER_nondet_uchar() & mask_SORT_46; [L72] SORT_46 state_50 = __VERIFIER_nondet_uchar() & mask_SORT_46; [L73] SORT_46 state_56 = __VERIFIER_nondet_uchar() & mask_SORT_46; [L74] SORT_46 state_64 = __VERIFIER_nondet_uchar() & mask_SORT_46; [L75] SORT_46 state_69 = __VERIFIER_nondet_uchar() & mask_SORT_46; [L76] SORT_46 state_74 = __VERIFIER_nondet_uchar() & mask_SORT_46; [L77] SORT_46 state_80 = __VERIFIER_nondet_uchar() & mask_SORT_46; [L79] SORT_5 init_8_arg_1 = var_6; [L80] state_7 = init_8_arg_1 [L81] SORT_46 init_49_arg_1 = var_47; [L82] state_48 = init_49_arg_1 [L83] SORT_46 init_51_arg_1 = var_47; [L84] state_50 = init_51_arg_1 [L85] SORT_46 init_57_arg_1 = var_47; [L86] state_56 = init_57_arg_1 [L87] SORT_46 init_65_arg_1 = var_47; [L88] state_64 = init_65_arg_1 [L89] SORT_46 init_70_arg_1 = var_47; [L90] state_69 = init_70_arg_1 [L91] SORT_46 init_75_arg_1 = var_47; [L92] state_74 = init_75_arg_1 [L93] SORT_46 init_81_arg_1 = var_79; [L94] state_80 = init_81_arg_1 VAL [mask_SORT_1=1, mask_SORT_46=31, mask_SORT_5=7, state_48=0, state_50=0, state_56=0, state_64=0, state_69=0, state_74=0, state_7=0, state_80=1, var_116=1, var_11=6, var_14=36, var_159=7, var_16=5, var_19=2544, var_21=4, var_24=9, var_26=3, var_29=54, var_31=2, var_34=18, var_36=1, var_40=0, var_4=576] [L97] input_2 = __VERIFIER_nondet_uchar() [L98] input_143 = __VERIFIER_nondet_uchar() [L99] input_156 = __VERIFIER_nondet_uchar() [L100] input_167 = __VERIFIER_nondet_uchar() [L101] input_174 = __VERIFIER_nondet_uchar() [L102] input_181 = __VERIFIER_nondet_uchar() [L103] input_188 = __VERIFIER_nondet_uchar() [L104] input_195 = __VERIFIER_nondet_uchar() [L105] input_202 = __VERIFIER_nondet_uchar() [L108] SORT_5 var_39_arg_0 = state_7; [L109] var_39_arg_0 = var_39_arg_0 & mask_SORT_5 [L110] SORT_9 var_39 = var_39_arg_0; [L111] SORT_9 var_41_arg_0 = var_39; [L112] SORT_9 var_41_arg_1 = var_40; [L113] SORT_1 var_41 = var_41_arg_0 == var_41_arg_1; [L114] SORT_5 var_35_arg_0 = state_7; [L115] var_35_arg_0 = var_35_arg_0 & mask_SORT_5 [L116] SORT_9 var_35 = var_35_arg_0; [L117] SORT_9 var_37_arg_0 = var_35; [L118] SORT_9 var_37_arg_1 = var_36; [L119] SORT_1 var_37 = var_37_arg_0 == var_37_arg_1; [L120] SORT_5 var_30_arg_0 = state_7; [L121] var_30_arg_0 = var_30_arg_0 & mask_SORT_5 [L122] SORT_9 var_30 = var_30_arg_0; [L123] SORT_9 var_32_arg_0 = var_30; [L124] SORT_9 var_32_arg_1 = var_31; [L125] SORT_1 var_32 = var_32_arg_0 == var_32_arg_1; [L126] SORT_5 var_25_arg_0 = state_7; [L127] var_25_arg_0 = var_25_arg_0 & mask_SORT_5 [L128] SORT_9 var_25 = var_25_arg_0; [L129] SORT_9 var_27_arg_0 = var_25; [L130] SORT_9 var_27_arg_1 = var_26; [L131] SORT_1 var_27 = var_27_arg_0 == var_27_arg_1; [L132] SORT_5 var_20_arg_0 = state_7; [L133] var_20_arg_0 = var_20_arg_0 & mask_SORT_5 [L134] SORT_9 var_20 = var_20_arg_0; [L135] SORT_9 var_22_arg_0 = var_20; [L136] SORT_9 var_22_arg_1 = var_21; [L137] SORT_1 var_22 = var_22_arg_0 == var_22_arg_1; [L138] SORT_5 var_15_arg_0 = state_7; [L139] var_15_arg_0 = var_15_arg_0 & mask_SORT_5 [L140] SORT_9 var_15 = var_15_arg_0; [L141] SORT_9 var_17_arg_0 = var_15; [L142] SORT_9 var_17_arg_1 = var_16; [L143] SORT_1 var_17 = var_17_arg_0 == var_17_arg_1; [L144] SORT_5 var_10_arg_0 = state_7; [L145] var_10_arg_0 = var_10_arg_0 & mask_SORT_5 [L146] SORT_9 var_10 = var_10_arg_0; [L147] SORT_9 var_12_arg_0 = var_10; [L148] SORT_9 var_12_arg_1 = var_11; [L149] SORT_1 var_12 = var_12_arg_0 == var_12_arg_1; [L150] SORT_1 var_13_arg_0 = var_12; [L151] SORT_3 var_13_arg_1 = var_4; [L152] SORT_3 var_13_arg_2 = var_4; [L153] SORT_3 var_13 = var_13_arg_0 ? var_13_arg_1 : var_13_arg_2; [L154] SORT_1 var_18_arg_0 = var_17; [L155] SORT_3 var_18_arg_1 = var_14; [L156] SORT_3 var_18_arg_2 = var_13; [L157] SORT_3 var_18 = var_18_arg_0 ? var_18_arg_1 : var_18_arg_2; [L158] SORT_1 var_23_arg_0 = var_22; [L159] SORT_3 var_23_arg_1 = var_19; [L160] SORT_3 var_23_arg_2 = var_18; [L161] SORT_3 var_23 = var_23_arg_0 ? var_23_arg_1 : var_23_arg_2; [L162] SORT_1 var_28_arg_0 = var_27; [L163] SORT_3 var_28_arg_1 = var_24; [L164] SORT_3 var_28_arg_2 = var_23; [L165] SORT_3 var_28 = var_28_arg_0 ? var_28_arg_1 : var_28_arg_2; [L166] SORT_1 var_33_arg_0 = var_32; [L167] SORT_3 var_33_arg_1 = var_29; [L168] SORT_3 var_33_arg_2 = var_28; [L169] SORT_3 var_33 = var_33_arg_0 ? var_33_arg_1 : var_33_arg_2; [L170] SORT_1 var_38_arg_0 = var_37; [L171] SORT_3 var_38_arg_1 = var_34; [L172] SORT_3 var_38_arg_2 = var_33; [L173] SORT_3 var_38 = var_38_arg_0 ? var_38_arg_1 : var_38_arg_2; [L174] SORT_1 var_42_arg_0 = var_41; [L175] SORT_3 var_42_arg_1 = var_14; [L176] SORT_3 var_42_arg_2 = var_38; [L177] SORT_3 var_42 = var_42_arg_0 ? var_42_arg_1 : var_42_arg_2; [L178] SORT_3 var_43_arg_0 = var_42; [L179] SORT_5 var_43 = var_43_arg_0 >> 0; [L180] SORT_5 var_44_arg_0 = var_43; [L181] var_44_arg_0 = var_44_arg_0 & mask_SORT_5 [L182] SORT_9 var_44 = var_44_arg_0; [L183] SORT_9 var_45_arg_0 = var_44; [L184] SORT_9 var_45_arg_1 = var_21; [L185] SORT_1 var_45 = var_45_arg_0 == var_45_arg_1; [L186] SORT_3 var_52_arg_0 = var_42; [L187] SORT_5 var_52 = var_52_arg_0 >> 3; [L188] SORT_5 var_82_arg_0 = var_52; [L189] var_82_arg_0 = var_82_arg_0 & mask_SORT_5 [L190] SORT_9 var_82 = var_82_arg_0; [L191] SORT_9 var_83_arg_0 = var_82; [L192] SORT_9 var_83_arg_1 = var_40; [L193] SORT_1 var_83 = var_83_arg_0 == var_83_arg_1; [L194] SORT_5 var_76_arg_0 = var_52; [L195] var_76_arg_0 = var_76_arg_0 & mask_SORT_5 [L196] SORT_9 var_76 = var_76_arg_0; [L197] SORT_9 var_77_arg_0 = var_76; [L198] SORT_9 var_77_arg_1 = var_36; [L199] SORT_1 var_77 = var_77_arg_0 == var_77_arg_1; [L200] SORT_5 var_71_arg_0 = var_52; [L201] var_71_arg_0 = var_71_arg_0 & mask_SORT_5 [L202] SORT_9 var_71 = var_71_arg_0; [L203] SORT_9 var_72_arg_0 = var_71; [L204] SORT_9 var_72_arg_1 = var_31; [L205] SORT_1 var_72 = var_72_arg_0 == var_72_arg_1; [L206] SORT_5 var_66_arg_0 = var_52; [L207] var_66_arg_0 = var_66_arg_0 & mask_SORT_5 [L208] SORT_9 var_66 = var_66_arg_0; [L209] SORT_9 var_67_arg_0 = var_66; [L210] SORT_9 var_67_arg_1 = var_26; [L211] SORT_1 var_67 = var_67_arg_0 == var_67_arg_1; [L212] SORT_5 var_61_arg_0 = var_52; [L213] var_61_arg_0 = var_61_arg_0 & mask_SORT_5 [L214] SORT_9 var_61 = var_61_arg_0; [L215] SORT_9 var_62_arg_0 = var_61; [L216] SORT_9 var_62_arg_1 = var_21; [L217] SORT_1 var_62 = var_62_arg_0 == var_62_arg_1; [L218] SORT_5 var_58_arg_0 = var_52; [L219] var_58_arg_0 = var_58_arg_0 & mask_SORT_5 [L220] SORT_9 var_58 = var_58_arg_0; [L221] SORT_9 var_59_arg_0 = var_58; [L222] SORT_9 var_59_arg_1 = var_16; [L223] SORT_1 var_59 = var_59_arg_0 == var_59_arg_1; [L224] SORT_5 var_53_arg_0 = var_52; [L225] var_53_arg_0 = var_53_arg_0 & mask_SORT_5 [L226] SORT_9 var_53 = var_53_arg_0; [L227] SORT_9 var_54_arg_0 = var_53; [L228] SORT_9 var_54_arg_1 = var_11; [L229] SORT_1 var_54 = var_54_arg_0 == var_54_arg_1; [L230] SORT_1 var_55_arg_0 = var_54; [L231] SORT_46 var_55_arg_1 = state_50; [L232] SORT_46 var_55_arg_2 = state_48; [L233] SORT_46 var_55 = var_55_arg_0 ? var_55_arg_1 : var_55_arg_2; [L234] SORT_1 var_60_arg_0 = var_59; [L235] SORT_46 var_60_arg_1 = state_56; [L236] SORT_46 var_60_arg_2 = var_55; [L237] SORT_46 var_60 = var_60_arg_0 ? var_60_arg_1 : var_60_arg_2; [L238] SORT_1 var_63_arg_0 = var_62; [L239] SORT_46 var_63_arg_1 = state_56; [L240] SORT_46 var_63_arg_2 = var_60; [L241] SORT_46 var_63 = var_63_arg_0 ? var_63_arg_1 : var_63_arg_2; [L242] SORT_1 var_68_arg_0 = var_67; [L243] SORT_46 var_68_arg_1 = state_64; [L244] SORT_46 var_68_arg_2 = var_63; [L245] SORT_46 var_68 = var_68_arg_0 ? var_68_arg_1 : var_68_arg_2; [L246] SORT_1 var_73_arg_0 = var_72; [L247] SORT_46 var_73_arg_1 = state_69; [L248] SORT_46 var_73_arg_2 = var_68; [L249] SORT_46 var_73 = var_73_arg_0 ? var_73_arg_1 : var_73_arg_2; [L250] SORT_1 var_78_arg_0 = var_77; [L251] SORT_46 var_78_arg_1 = state_74; [L252] SORT_46 var_78_arg_2 = var_73; [L253] SORT_46 var_78 = var_78_arg_0 ? var_78_arg_1 : var_78_arg_2; [L254] SORT_1 var_84_arg_0 = var_83; [L255] SORT_46 var_84_arg_1 = state_80; [L256] SORT_46 var_84_arg_2 = var_78; [L257] SORT_46 var_84 = var_84_arg_0 ? var_84_arg_1 : var_84_arg_2; [L258] SORT_46 var_85_arg_0 = var_84; [L259] var_85_arg_0 = var_85_arg_0 & mask_SORT_46 [L260] SORT_9 var_85 = var_85_arg_0; [L261] SORT_9 var_86_arg_0 = var_85; [L262] SORT_9 var_86_arg_1 = var_40; [L263] SORT_1 var_86 = var_86_arg_0 == var_86_arg_1; [L264] SORT_1 var_87_arg_0 = var_45; [L265] SORT_1 var_87_arg_1 = var_86; [L266] SORT_1 var_87 = var_87_arg_0 & var_87_arg_1; [L267] SORT_1 var_88_arg_0 = var_87; [L268] SORT_1 var_88 = ~var_88_arg_0; [L269] SORT_3 var_89_arg_0 = var_42; [L270] SORT_5 var_89 = var_89_arg_0 >> 6; [L271] SORT_5 var_108_arg_0 = var_89; [L272] var_108_arg_0 = var_108_arg_0 & mask_SORT_5 [L273] SORT_9 var_108 = var_108_arg_0; [L274] SORT_9 var_109_arg_0 = var_108; [L275] SORT_9 var_109_arg_1 = var_40; [L276] SORT_1 var_109 = var_109_arg_0 == var_109_arg_1; [L277] SORT_5 var_105_arg_0 = var_89; [L278] var_105_arg_0 = var_105_arg_0 & mask_SORT_5 [L279] SORT_9 var_105 = var_105_arg_0; [L280] SORT_9 var_106_arg_0 = var_105; [L281] SORT_9 var_106_arg_1 = var_36; [L282] SORT_1 var_106 = var_106_arg_0 == var_106_arg_1; [L283] SORT_5 var_102_arg_0 = var_89; [L284] var_102_arg_0 = var_102_arg_0 & mask_SORT_5 [L285] SORT_9 var_102 = var_102_arg_0; [L286] SORT_9 var_103_arg_0 = var_102; [L287] SORT_9 var_103_arg_1 = var_31; [L288] SORT_1 var_103 = var_103_arg_0 == var_103_arg_1; [L289] SORT_5 var_99_arg_0 = var_89; [L290] var_99_arg_0 = var_99_arg_0 & mask_SORT_5 [L291] SORT_9 var_99 = var_99_arg_0; [L292] SORT_9 var_100_arg_0 = var_99; [L293] SORT_9 var_100_arg_1 = var_26; [L294] SORT_1 var_100 = var_100_arg_0 == var_100_arg_1; [L295] SORT_5 var_96_arg_0 = var_89; [L296] var_96_arg_0 = var_96_arg_0 & mask_SORT_5 [L297] SORT_9 var_96 = var_96_arg_0; [L298] SORT_9 var_97_arg_0 = var_96; [L299] SORT_9 var_97_arg_1 = var_21; [L300] SORT_1 var_97 = var_97_arg_0 == var_97_arg_1; [L301] SORT_5 var_93_arg_0 = var_89; [L302] var_93_arg_0 = var_93_arg_0 & mask_SORT_5 [L303] SORT_9 var_93 = var_93_arg_0; [L304] SORT_9 var_94_arg_0 = var_93; [L305] SORT_9 var_94_arg_1 = var_16; [L306] SORT_1 var_94 = var_94_arg_0 == var_94_arg_1; [L307] SORT_5 var_90_arg_0 = var_89; [L308] var_90_arg_0 = var_90_arg_0 & mask_SORT_5 [L309] SORT_9 var_90 = var_90_arg_0; [L310] SORT_9 var_91_arg_0 = var_90; [L311] SORT_9 var_91_arg_1 = var_11; [L312] SORT_1 var_91 = var_91_arg_0 == var_91_arg_1; [L313] SORT_1 var_92_arg_0 = var_91; [L314] SORT_46 var_92_arg_1 = state_50; [L315] SORT_46 var_92_arg_2 = state_48; [L316] SORT_46 var_92 = var_92_arg_0 ? var_92_arg_1 : var_92_arg_2; [L317] SORT_1 var_95_arg_0 = var_94; [L318] SORT_46 var_95_arg_1 = state_56; [L319] SORT_46 var_95_arg_2 = var_92; [L320] SORT_46 var_95 = var_95_arg_0 ? var_95_arg_1 : var_95_arg_2; [L321] SORT_1 var_98_arg_0 = var_97; [L322] SORT_46 var_98_arg_1 = state_56; [L323] SORT_46 var_98_arg_2 = var_95; [L324] SORT_46 var_98 = var_98_arg_0 ? var_98_arg_1 : var_98_arg_2; [L325] SORT_1 var_101_arg_0 = var_100; [L326] SORT_46 var_101_arg_1 = state_64; [L327] SORT_46 var_101_arg_2 = var_98; [L328] SORT_46 var_101 = var_101_arg_0 ? var_101_arg_1 : var_101_arg_2; [L329] SORT_1 var_104_arg_0 = var_103; [L330] SORT_46 var_104_arg_1 = state_69; [L331] SORT_46 var_104_arg_2 = var_101; [L332] SORT_46 var_104 = var_104_arg_0 ? var_104_arg_1 : var_104_arg_2; [L333] SORT_1 var_107_arg_0 = var_106; [L334] SORT_46 var_107_arg_1 = state_74; [L335] SORT_46 var_107_arg_2 = var_104; [L336] SORT_46 var_107 = var_107_arg_0 ? var_107_arg_1 : var_107_arg_2; [L337] SORT_1 var_110_arg_0 = var_109; [L338] SORT_46 var_110_arg_1 = state_80; [L339] SORT_46 var_110_arg_2 = var_107; [L340] SORT_46 var_110 = var_110_arg_0 ? var_110_arg_1 : var_110_arg_2; [L341] SORT_46 var_111_arg_0 = var_110; [L342] SORT_5 var_111 = var_111_arg_0 >> 0; [L343] var_111 = var_111 & mask_SORT_5 [L344] SORT_5 var_112_arg_0 = state_7; [L345] SORT_5 var_112_arg_1 = var_111; [L346] SORT_1 var_112 = var_112_arg_0 == var_112_arg_1; [L347] SORT_1 var_113_arg_0 = var_88; [L348] SORT_1 var_113_arg_1 = var_112; [L349] SORT_1 var_113 = var_113_arg_0 & var_113_arg_1; [L350] SORT_1 var_117_arg_0 = var_113; [L351] SORT_1 var_117 = ~var_117_arg_0; [L352] SORT_1 var_118_arg_0 = var_116; [L353] SORT_1 var_118_arg_1 = var_117; [L354] SORT_1 var_118 = var_118_arg_0 & var_118_arg_1; [L355] var_118 = var_118 & mask_SORT_1 [L356] SORT_1 bad_119_arg_0 = var_118; [L357] CALL __VERIFIER_assert(!(bad_119_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-11-08 16:29:53,407 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95bfb677-e0a0-47bd-b8c1-b5b4926f3da0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE