./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label49.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca8b9e-9b1a-44dc-b7a7-ce134aed467a/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca8b9e-9b1a-44dc-b7a7-ce134aed467a/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca8b9e-9b1a-44dc-b7a7-ce134aed467a/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca8b9e-9b1a-44dc-b7a7-ce134aed467a/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label49.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca8b9e-9b1a-44dc-b7a7-ce134aed467a/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca8b9e-9b1a-44dc-b7a7-ce134aed467a/bin/uautomizer-verify-aQ6SnzHsRB --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 32bit --witnessprinter.graph.data.programhash 4910e0bbb7a4c656d48064116d1212b3394ff1881ffffb38aebc0e1b0fb73ac8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:22:04,752 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:22:04,879 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca8b9e-9b1a-44dc-b7a7-ce134aed467a/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 03:22:04,888 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:22:04,888 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:22:04,932 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:22:04,934 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:22:04,934 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:22:04,934 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:22:04,935 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:22:04,936 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:22:04,936 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:22:04,937 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:22:04,937 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:22:04,937 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:22:04,937 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:22:04,937 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:22:04,937 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:22:04,938 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:22:04,938 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:22:04,938 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:22:04,938 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:22:04,938 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:22:04,939 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:22:04,939 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:22:04,939 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:22:04,939 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:22:04,939 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:22:04,939 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:22:04,939 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:22:04,940 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:22:04,940 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:22:04,940 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:22:04,940 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:22:04,941 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:22:04,941 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:22:04,941 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:22:04,941 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:22:04,941 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:22:04,941 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:22:04,941 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:22:04,941 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:22:04,941 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 03:22:04,941 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 03:22:04,942 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:22:04,942 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:22:04,942 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:22:04,942 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:22:04,942 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca8b9e-9b1a-44dc-b7a7-ce134aed467a/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4910e0bbb7a4c656d48064116d1212b3394ff1881ffffb38aebc0e1b0fb73ac8 [2024-11-28 03:22:05,330 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:22:05,340 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:22:05,343 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:22:05,345 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:22:05,345 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:22:05,347 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca8b9e-9b1a-44dc-b7a7-ce134aed467a/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/eca-rers2012/Problem16_label49.c [2024-11-28 03:22:09,023 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca8b9e-9b1a-44dc-b7a7-ce134aed467a/bin/uautomizer-verify-aQ6SnzHsRB/data/4e879859b/9bd77c910f764e2192a8a53ac734c4c4/FLAG562ee214d [2024-11-28 03:22:09,584 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:22:09,585 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca8b9e-9b1a-44dc-b7a7-ce134aed467a/sv-benchmarks/c/eca-rers2012/Problem16_label49.c [2024-11-28 03:22:09,609 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca8b9e-9b1a-44dc-b7a7-ce134aed467a/bin/uautomizer-verify-aQ6SnzHsRB/data/4e879859b/9bd77c910f764e2192a8a53ac734c4c4/FLAG562ee214d [2024-11-28 03:22:09,636 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca8b9e-9b1a-44dc-b7a7-ce134aed467a/bin/uautomizer-verify-aQ6SnzHsRB/data/4e879859b/9bd77c910f764e2192a8a53ac734c4c4 [2024-11-28 03:22:09,639 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:22:09,641 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:22:09,643 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:22:09,643 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:22:09,649 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:22:09,650 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:22:09" (1/1) ... [2024-11-28 03:22:09,653 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b1638a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:22:09, skipping insertion in model container [2024-11-28 03:22:09,653 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:22:09" (1/1) ... [2024-11-28 03:22:09,743 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:22:10,048 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_afca8b9e-9b1a-44dc-b7a7-ce134aed467a/sv-benchmarks/c/eca-rers2012/Problem16_label49.c[6302,6315] [2024-11-28 03:22:10,515 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:22:10,528 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:22:10,566 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_afca8b9e-9b1a-44dc-b7a7-ce134aed467a/sv-benchmarks/c/eca-rers2012/Problem16_label49.c[6302,6315] [2024-11-28 03:22:10,877 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:22:10,903 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:22:10,904 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:22:10 WrapperNode [2024-11-28 03:22:10,906 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:22:10,907 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:22:10,907 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:22:10,907 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:22:10,917 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:22:10" (1/1) ... [2024-11-28 03:22:10,969 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:22:10" (1/1) ... [2024-11-28 03:22:11,166 INFO L138 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1769 [2024-11-28 03:22:11,167 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:22:11,167 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:22:11,169 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:22:11,169 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:22:11,180 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:22:10" (1/1) ... [2024-11-28 03:22:11,180 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:22:10" (1/1) ... [2024-11-28 03:22:11,213 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:22:10" (1/1) ... [2024-11-28 03:22:11,372 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]. [2024-11-28 03:22:11,373 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:22:10" (1/1) ... [2024-11-28 03:22:11,373 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:22:10" (1/1) ... [2024-11-28 03:22:11,443 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:22:10" (1/1) ... [2024-11-28 03:22:11,457 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:22:10" (1/1) ... [2024-11-28 03:22:11,481 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:22:10" (1/1) ... [2024-11-28 03:22:11,518 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:22:10" (1/1) ... [2024-11-28 03:22:11,527 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:22:10" (1/1) ... [2024-11-28 03:22:11,558 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:22:11,560 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:22:11,560 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:22:11,561 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:22:11,563 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:22:10" (1/1) ... [2024-11-28 03:22:11,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:22:11,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca8b9e-9b1a-44dc-b7a7-ce134aed467a/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:22:11,612 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca8b9e-9b1a-44dc-b7a7-ce134aed467a/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:22:11,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca8b9e-9b1a-44dc-b7a7-ce134aed467a/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:22:11,653 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:22:11,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 03:22:11,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:22:11,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:22:11,754 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:22:11,756 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:22:15,320 INFO L? ?]: Removed 276 outVars from TransFormulas that were not future-live. [2024-11-28 03:22:15,321 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:22:15,358 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:22:15,362 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 03:22:15,362 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:22:15 BoogieIcfgContainer [2024-11-28 03:22:15,366 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:22:15,369 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:22:15,370 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:22:15,378 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:22:15,378 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:22:09" (1/3) ... [2024-11-28 03:22:15,379 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8e0b3e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:22:15, skipping insertion in model container [2024-11-28 03:22:15,379 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:22:10" (2/3) ... [2024-11-28 03:22:15,379 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8e0b3e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:22:15, skipping insertion in model container [2024-11-28 03:22:15,380 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:22:15" (3/3) ... [2024-11-28 03:22:15,382 INFO L128 eAbstractionObserver]: Analyzing ICFG Problem16_label49.c [2024-11-28 03:22:15,402 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:22:15,405 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG Problem16_label49.c that has 1 procedures, 396 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 03:22:15,519 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:22:15,540 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;@331b5f4b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:22:15,541 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 03:22:15,550 INFO L276 IsEmpty]: Start isEmpty. Operand has 396 states, 394 states have (on average 1.8350253807106598) internal successors, (723), 395 states have internal predecessors, (723), 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) [2024-11-28 03:22:15,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-28 03:22:15,563 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:22:15,563 INFO L218 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] [2024-11-28 03:22:15,564 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:22:15,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:22:15,572 INFO L85 PathProgramCache]: Analyzing trace with hash -634083006, now seen corresponding path program 1 times [2024-11-28 03:22:15,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:22:15,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134254271] [2024-11-28 03:22:15,583 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:22:15,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:22:15,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:22:16,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:22:16,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:22:16,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134254271] [2024-11-28 03:22:16,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134254271] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:22:16,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:22:16,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:22:16,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643595247] [2024-11-28 03:22:16,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:22:16,208 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:22:16,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:22:16,237 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:22:16,238 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:22:16,244 INFO L87 Difference]: Start difference. First operand has 396 states, 394 states have (on average 1.8350253807106598) internal successors, (723), 395 states have internal predecessors, (723), 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 3 states, 3 states have (on average 20.0) internal successors, (60), 2 states have internal predecessors, (60), 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) [2024-11-28 03:22:19,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:22:19,170 INFO L93 Difference]: Finished difference Result 1122 states and 2103 transitions. [2024-11-28 03:22:19,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:22:19,173 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 2 states have internal predecessors, (60), 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 60 [2024-11-28 03:22:19,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:22:19,190 INFO L225 Difference]: With dead ends: 1122 [2024-11-28 03:22:19,190 INFO L226 Difference]: Without dead ends: 662 [2024-11-28 03:22:19,195 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:22:19,199 INFO L435 NwaCegarLoop]: 215 mSDtfsCounter, 300 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 1054 mSolverCounterSat, 251 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 300 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 1305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 251 IncrementalHoareTripleChecker+Valid, 1054 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-11-28 03:22:19,200 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [300 Valid, 223 Invalid, 1305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [251 Valid, 1054 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-11-28 03:22:19,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 662 states. [2024-11-28 03:22:19,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 662 to 662. [2024-11-28 03:22:19,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 662 states, 661 states have (on average 1.5824508320726172) internal successors, (1046), 661 states have internal predecessors, (1046), 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) [2024-11-28 03:22:19,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 1046 transitions. [2024-11-28 03:22:19,288 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 1046 transitions. Word has length 60 [2024-11-28 03:22:19,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:22:19,289 INFO L471 AbstractCegarLoop]: Abstraction has 662 states and 1046 transitions. [2024-11-28 03:22:19,289 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 2 states have internal predecessors, (60), 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) [2024-11-28 03:22:19,290 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 1046 transitions. [2024-11-28 03:22:19,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-28 03:22:19,294 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:22:19,294 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:22:19,295 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 03:22:19,295 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:22:19,296 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:22:19,296 INFO L85 PathProgramCache]: Analyzing trace with hash 45144985, now seen corresponding path program 1 times [2024-11-28 03:22:19,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:22:19,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384059701] [2024-11-28 03:22:19,297 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:22:19,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:22:19,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:22:19,700 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:22:19,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:22:19,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384059701] [2024-11-28 03:22:19,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1384059701] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:22:19,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:22:19,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:22:19,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135985042] [2024-11-28 03:22:19,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:22:19,702 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:22:19,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:22:19,705 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:22:19,705 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:22:19,706 INFO L87 Difference]: Start difference. First operand 662 states and 1046 transitions. Second operand has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 2 states have internal predecessors, (131), 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) [2024-11-28 03:22:21,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:22:21,693 INFO L93 Difference]: Finished difference Result 1651 states and 2539 transitions. [2024-11-28 03:22:21,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:22:21,694 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 2 states have internal predecessors, (131), 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 131 [2024-11-28 03:22:21,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:22:21,699 INFO L225 Difference]: With dead ends: 1651 [2024-11-28 03:22:21,700 INFO L226 Difference]: Without dead ends: 991 [2024-11-28 03:22:21,702 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:22:21,703 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 338 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 882 mSolverCounterSat, 268 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 338 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 1150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 268 IncrementalHoareTripleChecker+Valid, 882 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-28 03:22:21,704 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [338 Valid, 77 Invalid, 1150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [268 Valid, 882 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-28 03:22:21,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 991 states. [2024-11-28 03:22:21,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 991 to 991. [2024-11-28 03:22:21,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 991 states, 990 states have (on average 1.3767676767676769) internal successors, (1363), 990 states have internal predecessors, (1363), 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) [2024-11-28 03:22:21,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 991 states to 991 states and 1363 transitions. [2024-11-28 03:22:21,752 INFO L78 Accepts]: Start accepts. Automaton has 991 states and 1363 transitions. Word has length 131 [2024-11-28 03:22:21,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:22:21,752 INFO L471 AbstractCegarLoop]: Abstraction has 991 states and 1363 transitions. [2024-11-28 03:22:21,753 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 2 states have internal predecessors, (131), 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) [2024-11-28 03:22:21,753 INFO L276 IsEmpty]: Start isEmpty. Operand 991 states and 1363 transitions. [2024-11-28 03:22:21,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-28 03:22:21,757 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:22:21,757 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:22:21,758 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 03:22:21,758 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:22:21,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:22:21,759 INFO L85 PathProgramCache]: Analyzing trace with hash 643763922, now seen corresponding path program 1 times [2024-11-28 03:22:21,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:22:21,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906324276] [2024-11-28 03:22:21,759 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:22:21,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:22:21,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:22:22,156 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:22:22,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:22:22,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906324276] [2024-11-28 03:22:22,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1906324276] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:22:22,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:22:22,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:22:22,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523180248] [2024-11-28 03:22:22,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:22:22,162 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:22:22,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:22:22,163 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:22:22,163 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:22:22,163 INFO L87 Difference]: Start difference. First operand 991 states and 1363 transitions. Second operand has 3 states, 3 states have (on average 44.0) internal successors, (132), 2 states have internal predecessors, (132), 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) [2024-11-28 03:22:24,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:22:24,343 INFO L93 Difference]: Finished difference Result 2967 states and 4084 transitions. [2024-11-28 03:22:24,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:22:24,344 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 2 states have internal predecessors, (132), 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 132 [2024-11-28 03:22:24,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:22:24,355 INFO L225 Difference]: With dead ends: 2967 [2024-11-28 03:22:24,355 INFO L226 Difference]: Without dead ends: 1978 [2024-11-28 03:22:24,357 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:22:24,358 INFO L435 NwaCegarLoop]: 206 mSDtfsCounter, 287 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 806 mSolverCounterSat, 390 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 287 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 1196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 390 IncrementalHoareTripleChecker+Valid, 806 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:22:24,360 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [287 Valid, 211 Invalid, 1196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [390 Valid, 806 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-28 03:22:24,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1978 states. [2024-11-28 03:22:24,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1978 to 1978. [2024-11-28 03:22:24,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1978 states, 1977 states have (on average 1.2463328275164391) internal successors, (2464), 1977 states have internal predecessors, (2464), 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) [2024-11-28 03:22:24,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1978 states to 1978 states and 2464 transitions. [2024-11-28 03:22:24,434 INFO L78 Accepts]: Start accepts. Automaton has 1978 states and 2464 transitions. Word has length 132 [2024-11-28 03:22:24,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:22:24,435 INFO L471 AbstractCegarLoop]: Abstraction has 1978 states and 2464 transitions. [2024-11-28 03:22:24,435 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 2 states have internal predecessors, (132), 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) [2024-11-28 03:22:24,435 INFO L276 IsEmpty]: Start isEmpty. Operand 1978 states and 2464 transitions. [2024-11-28 03:22:24,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-11-28 03:22:24,444 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:22:24,444 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:22:24,445 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 03:22:24,445 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:22:24,446 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:22:24,446 INFO L85 PathProgramCache]: Analyzing trace with hash -1201112245, now seen corresponding path program 1 times [2024-11-28 03:22:24,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:22:24,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950075721] [2024-11-28 03:22:24,446 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:22:24,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:22:24,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:22:24,938 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-11-28 03:22:24,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:22:24,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950075721] [2024-11-28 03:22:24,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1950075721] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:22:24,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:22:24,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:22:24,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187352894] [2024-11-28 03:22:24,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:22:24,943 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:22:24,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:22:24,943 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:22:24,944 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:22:24,944 INFO L87 Difference]: Start difference. First operand 1978 states and 2464 transitions. Second operand has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 2 states have internal predecessors, (149), 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) [2024-11-28 03:22:27,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:22:27,039 INFO L93 Difference]: Finished difference Result 4612 states and 5849 transitions. [2024-11-28 03:22:27,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:22:27,039 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 2 states have internal predecessors, (149), 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 215 [2024-11-28 03:22:27,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:22:27,052 INFO L225 Difference]: With dead ends: 4612 [2024-11-28 03:22:27,052 INFO L226 Difference]: Without dead ends: 2636 [2024-11-28 03:22:27,055 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:22:27,056 INFO L435 NwaCegarLoop]: 152 mSDtfsCounter, 358 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 811 mSolverCounterSat, 307 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 358 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 1118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 307 IncrementalHoareTripleChecker+Valid, 811 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:22:27,056 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [358 Valid, 156 Invalid, 1118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [307 Valid, 811 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-28 03:22:27,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2636 states. [2024-11-28 03:22:27,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2636 to 2307. [2024-11-28 03:22:27,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2307 states, 2306 states have (on average 1.2350390286209887) internal successors, (2848), 2306 states have internal predecessors, (2848), 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) [2024-11-28 03:22:27,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2307 states to 2307 states and 2848 transitions. [2024-11-28 03:22:27,116 INFO L78 Accepts]: Start accepts. Automaton has 2307 states and 2848 transitions. Word has length 215 [2024-11-28 03:22:27,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:22:27,117 INFO L471 AbstractCegarLoop]: Abstraction has 2307 states and 2848 transitions. [2024-11-28 03:22:27,117 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 2 states have internal predecessors, (149), 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) [2024-11-28 03:22:27,117 INFO L276 IsEmpty]: Start isEmpty. Operand 2307 states and 2848 transitions. [2024-11-28 03:22:27,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2024-11-28 03:22:27,125 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:22:27,126 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:22:27,126 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 03:22:27,126 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:22:27,127 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:22:27,127 INFO L85 PathProgramCache]: Analyzing trace with hash 2074011705, now seen corresponding path program 1 times [2024-11-28 03:22:27,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:22:27,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988057844] [2024-11-28 03:22:27,128 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:22:27,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:22:27,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:22:27,893 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 247 proven. 0 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2024-11-28 03:22:27,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:22:27,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988057844] [2024-11-28 03:22:27,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1988057844] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:22:27,893 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:22:27,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:22:27,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969430242] [2024-11-28 03:22:27,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:22:27,895 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:22:27,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:22:27,896 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:22:27,896 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:22:27,896 INFO L87 Difference]: Start difference. First operand 2307 states and 2848 transitions. Second operand has 3 states, 3 states have (on average 75.0) internal successors, (225), 2 states have internal predecessors, (225), 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) [2024-11-28 03:22:30,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:22:30,199 INFO L93 Difference]: Finished difference Result 6915 states and 8539 transitions. [2024-11-28 03:22:30,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:22:30,200 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 75.0) internal successors, (225), 2 states have internal predecessors, (225), 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 392 [2024-11-28 03:22:30,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:22:30,217 INFO L225 Difference]: With dead ends: 6915 [2024-11-28 03:22:30,217 INFO L226 Difference]: Without dead ends: 4610 [2024-11-28 03:22:30,220 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:22:30,222 INFO L435 NwaCegarLoop]: 116 mSDtfsCounter, 252 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 939 mSolverCounterSat, 352 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 252 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 1291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 352 IncrementalHoareTripleChecker+Valid, 939 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:22:30,222 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [252 Valid, 121 Invalid, 1291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [352 Valid, 939 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-28 03:22:30,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4610 states. [2024-11-28 03:22:30,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4610 to 4281. [2024-11-28 03:22:30,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4281 states, 4280 states have (on average 1.2121495327102805) internal successors, (5188), 4280 states have internal predecessors, (5188), 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) [2024-11-28 03:22:30,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4281 states to 4281 states and 5188 transitions. [2024-11-28 03:22:30,332 INFO L78 Accepts]: Start accepts. Automaton has 4281 states and 5188 transitions. Word has length 392 [2024-11-28 03:22:30,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:22:30,333 INFO L471 AbstractCegarLoop]: Abstraction has 4281 states and 5188 transitions. [2024-11-28 03:22:30,333 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 75.0) internal successors, (225), 2 states have internal predecessors, (225), 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) [2024-11-28 03:22:30,333 INFO L276 IsEmpty]: Start isEmpty. Operand 4281 states and 5188 transitions. [2024-11-28 03:22:30,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 484 [2024-11-28 03:22:30,345 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:22:30,345 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:22:30,345 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 03:22:30,346 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:22:30,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:22:30,346 INFO L85 PathProgramCache]: Analyzing trace with hash -569327500, now seen corresponding path program 1 times [2024-11-28 03:22:30,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:22:30,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894168873] [2024-11-28 03:22:30,347 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:22:30,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:22:30,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:22:31,696 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 233 proven. 0 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2024-11-28 03:22:31,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:22:31,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894168873] [2024-11-28 03:22:31,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [894168873] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:22:31,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:22:31,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:22:31,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944735007] [2024-11-28 03:22:31,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:22:31,699 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:22:31,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:22:31,700 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:22:31,703 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:22:31,703 INFO L87 Difference]: Start difference. First operand 4281 states and 5188 transitions. Second operand has 4 states, 4 states have (on average 90.0) internal successors, (360), 3 states have internal predecessors, (360), 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) [2024-11-28 03:22:34,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:22:34,354 INFO L93 Difference]: Finished difference Result 8889 states and 10715 transitions. [2024-11-28 03:22:34,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:22:34,354 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 90.0) internal successors, (360), 3 states have internal predecessors, (360), 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 483 [2024-11-28 03:22:34,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:22:34,374 INFO L225 Difference]: With dead ends: 8889 [2024-11-28 03:22:34,375 INFO L226 Difference]: Without dead ends: 4610 [2024-11-28 03:22:34,384 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:22:34,385 INFO L435 NwaCegarLoop]: 267 mSDtfsCounter, 127 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 1469 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 1474 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1469 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-28 03:22:34,387 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 322 Invalid, 1474 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1469 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-28 03:22:34,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4610 states. [2024-11-28 03:22:34,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4610 to 4610. [2024-11-28 03:22:34,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4610 states, 4609 states have (on average 1.198307658928184) internal successors, (5523), 4609 states have internal predecessors, (5523), 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) [2024-11-28 03:22:34,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4610 states to 4610 states and 5523 transitions. [2024-11-28 03:22:34,514 INFO L78 Accepts]: Start accepts. Automaton has 4610 states and 5523 transitions. Word has length 483 [2024-11-28 03:22:34,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:22:34,515 INFO L471 AbstractCegarLoop]: Abstraction has 4610 states and 5523 transitions. [2024-11-28 03:22:34,516 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 90.0) internal successors, (360), 3 states have internal predecessors, (360), 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) [2024-11-28 03:22:34,516 INFO L276 IsEmpty]: Start isEmpty. Operand 4610 states and 5523 transitions. [2024-11-28 03:22:34,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 571 [2024-11-28 03:22:34,536 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:22:34,537 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:22:34,537 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 03:22:34,538 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:22:34,538 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:22:34,538 INFO L85 PathProgramCache]: Analyzing trace with hash -741185691, now seen corresponding path program 1 times [2024-11-28 03:22:34,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:22:34,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012040530] [2024-11-28 03:22:34,539 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:22:34,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:22:34,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:22:35,863 INFO L134 CoverageAnalysis]: Checked inductivity of 714 backedges. 471 proven. 0 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2024-11-28 03:22:35,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:22:35,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012040530] [2024-11-28 03:22:35,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1012040530] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:22:35,864 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:22:35,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 03:22:35,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108150319] [2024-11-28 03:22:35,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:22:35,865 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 03:22:35,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:22:35,867 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 03:22:35,867 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:22:35,867 INFO L87 Difference]: Start difference. First operand 4610 states and 5523 transitions. Second operand has 7 states, 7 states have (on average 56.57142857142857) internal successors, (396), 6 states have internal predecessors, (396), 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) [2024-11-28 03:22:38,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:22:38,721 INFO L93 Difference]: Finished difference Result 8748 states and 10556 transitions. [2024-11-28 03:22:38,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 03:22:38,723 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 56.57142857142857) internal successors, (396), 6 states have internal predecessors, (396), 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 570 [2024-11-28 03:22:38,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:22:38,736 INFO L225 Difference]: With dead ends: 8748 [2024-11-28 03:22:38,736 INFO L226 Difference]: Without dead ends: 4281 [2024-11-28 03:22:38,741 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:22:38,742 INFO L435 NwaCegarLoop]: 263 mSDtfsCounter, 308 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 1527 mSolverCounterSat, 485 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 308 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 2012 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 485 IncrementalHoareTripleChecker+Valid, 1527 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-28 03:22:38,743 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [308 Valid, 286 Invalid, 2012 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [485 Valid, 1527 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-28 03:22:38,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4281 states. [2024-11-28 03:22:38,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4281 to 4281. [2024-11-28 03:22:38,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4281 states, 4280 states have (on average 1.0771028037383177) internal successors, (4610), 4280 states have internal predecessors, (4610), 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) [2024-11-28 03:22:38,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4281 states to 4281 states and 4610 transitions. [2024-11-28 03:22:38,849 INFO L78 Accepts]: Start accepts. Automaton has 4281 states and 4610 transitions. Word has length 570 [2024-11-28 03:22:38,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:22:38,850 INFO L471 AbstractCegarLoop]: Abstraction has 4281 states and 4610 transitions. [2024-11-28 03:22:38,850 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 56.57142857142857) internal successors, (396), 6 states have internal predecessors, (396), 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) [2024-11-28 03:22:38,851 INFO L276 IsEmpty]: Start isEmpty. Operand 4281 states and 4610 transitions. [2024-11-28 03:22:38,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 599 [2024-11-28 03:22:38,873 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:22:38,873 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:22:38,873 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 03:22:38,874 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:22:38,875 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:22:38,875 INFO L85 PathProgramCache]: Analyzing trace with hash -1564191677, now seen corresponding path program 1 times [2024-11-28 03:22:38,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:22:38,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449614758] [2024-11-28 03:22:38,876 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:22:38,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:22:39,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:22:40,309 INFO L134 CoverageAnalysis]: Checked inductivity of 776 backedges. 593 proven. 0 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2024-11-28 03:22:40,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:22:40,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449614758] [2024-11-28 03:22:40,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [449614758] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:22:40,309 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:22:40,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:22:40,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078129829] [2024-11-28 03:22:40,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:22:40,311 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:22:40,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:22:40,312 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:22:40,312 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:22:40,313 INFO L87 Difference]: Start difference. First operand 4281 states and 4610 transitions. Second operand has 4 states, 4 states have (on average 118.75) internal successors, (475), 3 states have internal predecessors, (475), 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) [2024-11-28 03:22:42,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:22:42,792 INFO L93 Difference]: Finished difference Result 12179 states and 13189 transitions. [2024-11-28 03:22:42,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:22:42,793 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 118.75) internal successors, (475), 3 states have internal predecessors, (475), 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 598 [2024-11-28 03:22:42,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:22:42,812 INFO L225 Difference]: With dead ends: 12179 [2024-11-28 03:22:42,812 INFO L226 Difference]: Without dead ends: 8229 [2024-11-28 03:22:42,817 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:22:42,818 INFO L435 NwaCegarLoop]: 81 mSDtfsCounter, 402 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 1264 mSolverCounterSat, 138 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 402 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 1402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 138 IncrementalHoareTripleChecker+Valid, 1264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-28 03:22:42,819 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [402 Valid, 90 Invalid, 1402 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [138 Valid, 1264 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-28 03:22:42,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8229 states. [2024-11-28 03:22:42,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8229 to 7900. [2024-11-28 03:22:42,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7900 states, 7899 states have (on average 1.0724142296493226) internal successors, (8471), 7899 states have internal predecessors, (8471), 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) [2024-11-28 03:22:42,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7900 states to 7900 states and 8471 transitions. [2024-11-28 03:22:42,998 INFO L78 Accepts]: Start accepts. Automaton has 7900 states and 8471 transitions. Word has length 598 [2024-11-28 03:22:42,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:22:42,999 INFO L471 AbstractCegarLoop]: Abstraction has 7900 states and 8471 transitions. [2024-11-28 03:22:43,000 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 118.75) internal successors, (475), 3 states have internal predecessors, (475), 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) [2024-11-28 03:22:43,000 INFO L276 IsEmpty]: Start isEmpty. Operand 7900 states and 8471 transitions. [2024-11-28 03:22:43,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 703 [2024-11-28 03:22:43,013 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:22:43,014 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:22:43,014 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 03:22:43,014 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:22:43,015 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:22:43,015 INFO L85 PathProgramCache]: Analyzing trace with hash -260815485, now seen corresponding path program 1 times [2024-11-28 03:22:43,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:22:43,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683733650] [2024-11-28 03:22:43,016 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:22:43,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:22:43,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:22:44,212 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 910 proven. 0 refuted. 0 times theorem prover too weak. 278 trivial. 0 not checked. [2024-11-28 03:22:44,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:22:44,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683733650] [2024-11-28 03:22:44,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683733650] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:22:44,213 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:22:44,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:22:44,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238026116] [2024-11-28 03:22:44,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:22:44,218 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:22:44,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:22:44,219 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:22:44,219 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:22:44,220 INFO L87 Difference]: Start difference. First operand 7900 states and 8471 transitions. Second operand has 3 states, 3 states have (on average 161.66666666666666) internal successors, (485), 3 states have internal predecessors, (485), 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) [2024-11-28 03:22:45,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:22:45,835 INFO L93 Difference]: Finished difference Result 18430 states and 19933 transitions. [2024-11-28 03:22:45,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:22:45,836 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 161.66666666666666) internal successors, (485), 3 states have internal predecessors, (485), 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 702 [2024-11-28 03:22:45,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:22:45,862 INFO L225 Difference]: With dead ends: 18430 [2024-11-28 03:22:45,862 INFO L226 Difference]: Without dead ends: 11190 [2024-11-28 03:22:45,867 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:22:45,868 INFO L435 NwaCegarLoop]: 34 mSDtfsCounter, 224 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 769 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 889 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 769 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-28 03:22:45,868 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [224 Valid, 38 Invalid, 889 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 769 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-28 03:22:45,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11190 states. [2024-11-28 03:22:46,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11190 to 11190. [2024-11-28 03:22:46,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11190 states, 11189 states have (on average 1.0761462150326213) internal successors, (12041), 11189 states have internal predecessors, (12041), 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) [2024-11-28 03:22:46,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11190 states to 11190 states and 12041 transitions. [2024-11-28 03:22:46,087 INFO L78 Accepts]: Start accepts. Automaton has 11190 states and 12041 transitions. Word has length 702 [2024-11-28 03:22:46,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:22:46,088 INFO L471 AbstractCegarLoop]: Abstraction has 11190 states and 12041 transitions. [2024-11-28 03:22:46,089 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 161.66666666666666) internal successors, (485), 3 states have internal predecessors, (485), 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) [2024-11-28 03:22:46,090 INFO L276 IsEmpty]: Start isEmpty. Operand 11190 states and 12041 transitions. [2024-11-28 03:22:46,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 822 [2024-11-28 03:22:46,105 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:22:46,105 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:22:46,105 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 03:22:46,106 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:22:46,107 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:22:46,108 INFO L85 PathProgramCache]: Analyzing trace with hash 2072847100, now seen corresponding path program 1 times [2024-11-28 03:22:46,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:22:46,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122982792] [2024-11-28 03:22:46,112 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:22:46,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:22:46,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:22:47,502 INFO L134 CoverageAnalysis]: Checked inductivity of 1676 backedges. 1004 proven. 0 refuted. 0 times theorem prover too weak. 672 trivial. 0 not checked. [2024-11-28 03:22:47,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:22:47,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122982792] [2024-11-28 03:22:47,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2122982792] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:22:47,503 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:22:47,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:22:47,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436604936] [2024-11-28 03:22:47,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:22:47,505 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:22:47,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:22:47,506 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:22:47,506 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:22:47,507 INFO L87 Difference]: Start difference. First operand 11190 states and 12041 transitions. Second operand has 4 states, 4 states have (on average 131.0) internal successors, (524), 3 states have internal predecessors, (524), 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) [2024-11-28 03:22:49,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:22:49,224 INFO L93 Difference]: Finished difference Result 21720 states and 23413 transitions. [2024-11-28 03:22:49,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:22:49,225 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 131.0) internal successors, (524), 3 states have internal predecessors, (524), 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 821 [2024-11-28 03:22:49,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:22:49,252 INFO L225 Difference]: With dead ends: 21720 [2024-11-28 03:22:49,253 INFO L226 Difference]: Without dead ends: 11190 [2024-11-28 03:22:49,261 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:22:49,262 INFO L435 NwaCegarLoop]: 108 mSDtfsCounter, 173 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 1189 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 1192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-28 03:22:49,262 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 118 Invalid, 1192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1189 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-28 03:22:49,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11190 states. [2024-11-28 03:22:49,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11190 to 11190. [2024-11-28 03:22:49,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11190 states, 11189 states have (on average 1.0758780945571544) internal successors, (12038), 11189 states have internal predecessors, (12038), 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) [2024-11-28 03:22:49,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11190 states to 11190 states and 12038 transitions. [2024-11-28 03:22:49,433 INFO L78 Accepts]: Start accepts. Automaton has 11190 states and 12038 transitions. Word has length 821 [2024-11-28 03:22:49,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:22:49,434 INFO L471 AbstractCegarLoop]: Abstraction has 11190 states and 12038 transitions. [2024-11-28 03:22:49,434 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 131.0) internal successors, (524), 3 states have internal predecessors, (524), 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) [2024-11-28 03:22:49,435 INFO L276 IsEmpty]: Start isEmpty. Operand 11190 states and 12038 transitions. [2024-11-28 03:22:49,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 883 [2024-11-28 03:22:49,452 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:22:49,453 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:22:49,453 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-28 03:22:49,453 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:22:49,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:22:49,454 INFO L85 PathProgramCache]: Analyzing trace with hash 559782894, now seen corresponding path program 1 times [2024-11-28 03:22:49,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:22:49,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200723188] [2024-11-28 03:22:49,455 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:22:49,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:22:49,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:22:50,395 INFO L134 CoverageAnalysis]: Checked inductivity of 1737 backedges. 1018 proven. 0 refuted. 0 times theorem prover too weak. 719 trivial. 0 not checked. [2024-11-28 03:22:50,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:22:50,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200723188] [2024-11-28 03:22:50,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200723188] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:22:50,396 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:22:50,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:22:50,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183947084] [2024-11-28 03:22:50,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:22:50,397 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:22:50,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:22:50,398 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:22:50,398 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:22:50,399 INFO L87 Difference]: Start difference. First operand 11190 states and 12038 transitions. Second operand has 3 states, 3 states have (on average 140.0) internal successors, (420), 3 states have internal predecessors, (420), 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) [2024-11-28 03:22:51,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:22:51,762 INFO L93 Difference]: Finished difference Result 24352 states and 26363 transitions. [2024-11-28 03:22:51,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:22:51,763 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 140.0) internal successors, (420), 3 states have internal predecessors, (420), 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 882 [2024-11-28 03:22:51,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:22:51,794 INFO L225 Difference]: With dead ends: 24352 [2024-11-28 03:22:51,794 INFO L226 Difference]: Without dead ends: 13822 [2024-11-28 03:22:51,804 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:22:51,804 INFO L435 NwaCegarLoop]: 431 mSDtfsCounter, 220 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 760 mSolverCounterSat, 104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 437 SdHoareTripleChecker+Invalid, 864 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 760 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:22:51,805 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [220 Valid, 437 Invalid, 864 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 760 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-28 03:22:51,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13822 states. [2024-11-28 03:22:52,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13822 to 13164. [2024-11-28 03:22:52,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13164 states, 13163 states have (on average 1.0656385322494872) internal successors, (14027), 13163 states have internal predecessors, (14027), 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) [2024-11-28 03:22:52,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13164 states to 13164 states and 14027 transitions. [2024-11-28 03:22:52,054 INFO L78 Accepts]: Start accepts. Automaton has 13164 states and 14027 transitions. Word has length 882 [2024-11-28 03:22:52,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:22:52,057 INFO L471 AbstractCegarLoop]: Abstraction has 13164 states and 14027 transitions. [2024-11-28 03:22:52,057 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 140.0) internal successors, (420), 3 states have internal predecessors, (420), 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) [2024-11-28 03:22:52,057 INFO L276 IsEmpty]: Start isEmpty. Operand 13164 states and 14027 transitions. [2024-11-28 03:22:52,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 884 [2024-11-28 03:22:52,082 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:22:52,082 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:22:52,082 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-28 03:22:52,082 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:22:52,083 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:22:52,083 INFO L85 PathProgramCache]: Analyzing trace with hash -558799337, now seen corresponding path program 1 times [2024-11-28 03:22:52,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:22:52,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621815278] [2024-11-28 03:22:52,084 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:22:52,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:22:52,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:22:52,918 INFO L134 CoverageAnalysis]: Checked inductivity of 1742 backedges. 680 proven. 0 refuted. 0 times theorem prover too weak. 1062 trivial. 0 not checked. [2024-11-28 03:22:52,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:22:52,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621815278] [2024-11-28 03:22:52,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [621815278] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:22:52,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:22:52,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:22:52,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751673148] [2024-11-28 03:22:52,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:22:52,919 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:22:52,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:22:52,920 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:22:52,920 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:22:52,920 INFO L87 Difference]: Start difference. First operand 13164 states and 14027 transitions. Second operand has 3 states, 3 states have (on average 122.33333333333333) internal successors, (367), 3 states have internal predecessors, (367), 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) [2024-11-28 03:22:53,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:22:53,997 INFO L93 Difference]: Finished difference Result 30603 states and 32692 transitions. [2024-11-28 03:22:53,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:22:53,997 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 122.33333333333333) internal successors, (367), 3 states have internal predecessors, (367), 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 883 [2024-11-28 03:22:53,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:22:54,030 INFO L225 Difference]: With dead ends: 30603 [2024-11-28 03:22:54,031 INFO L226 Difference]: Without dead ends: 16125 [2024-11-28 03:22:54,042 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:22:54,042 INFO L435 NwaCegarLoop]: 424 mSDtfsCounter, 270 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 747 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 270 SdHoareTripleChecker+Valid, 430 SdHoareTripleChecker+Invalid, 840 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 747 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:22:54,043 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [270 Valid, 430 Invalid, 840 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 747 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-28 03:22:54,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16125 states. [2024-11-28 03:22:54,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16125 to 16125. [2024-11-28 03:22:54,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16125 states, 16124 states have (on average 1.0506698089804019) internal successors, (16941), 16124 states have internal predecessors, (16941), 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) [2024-11-28 03:22:54,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16125 states to 16125 states and 16941 transitions. [2024-11-28 03:22:54,244 INFO L78 Accepts]: Start accepts. Automaton has 16125 states and 16941 transitions. Word has length 883 [2024-11-28 03:22:54,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:22:54,246 INFO L471 AbstractCegarLoop]: Abstraction has 16125 states and 16941 transitions. [2024-11-28 03:22:54,246 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 122.33333333333333) internal successors, (367), 3 states have internal predecessors, (367), 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) [2024-11-28 03:22:54,246 INFO L276 IsEmpty]: Start isEmpty. Operand 16125 states and 16941 transitions. [2024-11-28 03:22:54,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1153 [2024-11-28 03:22:54,266 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:22:54,267 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:22:54,267 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-28 03:22:54,267 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:22:54,268 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:22:54,268 INFO L85 PathProgramCache]: Analyzing trace with hash 1596182599, now seen corresponding path program 1 times [2024-11-28 03:22:54,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:22:54,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511878821] [2024-11-28 03:22:54,270 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:22:54,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:22:54,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:22:55,956 INFO L134 CoverageAnalysis]: Checked inductivity of 2622 backedges. 1377 proven. 0 refuted. 0 times theorem prover too weak. 1245 trivial. 0 not checked. [2024-11-28 03:22:55,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:22:55,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511878821] [2024-11-28 03:22:55,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [511878821] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:22:55,957 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:22:55,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:22:55,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653780489] [2024-11-28 03:22:55,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:22:55,958 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:22:55,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:22:55,959 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:22:55,959 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:22:55,959 INFO L87 Difference]: Start difference. First operand 16125 states and 16941 transitions. Second operand has 3 states, 3 states have (on average 171.0) internal successors, (513), 3 states have internal predecessors, (513), 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) [2024-11-28 03:22:56,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:22:56,885 INFO L93 Difference]: Finished difference Result 31590 states and 33216 transitions. [2024-11-28 03:22:56,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:22:56,886 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 171.0) internal successors, (513), 3 states have internal predecessors, (513), 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 1152 [2024-11-28 03:22:56,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:22:56,917 INFO L225 Difference]: With dead ends: 31590 [2024-11-28 03:22:56,917 INFO L226 Difference]: Without dead ends: 16125 [2024-11-28 03:22:56,926 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:22:56,927 INFO L435 NwaCegarLoop]: 371 mSDtfsCounter, 94 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 770 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 788 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 770 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-28 03:22:56,927 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 377 Invalid, 788 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 770 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-28 03:22:56,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16125 states. [2024-11-28 03:22:57,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16125 to 15796. [2024-11-28 03:22:57,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15796 states, 15795 states have (on average 1.0457106679328902) internal successors, (16517), 15795 states have internal predecessors, (16517), 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) [2024-11-28 03:22:57,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15796 states to 15796 states and 16517 transitions. [2024-11-28 03:22:57,105 INFO L78 Accepts]: Start accepts. Automaton has 15796 states and 16517 transitions. Word has length 1152 [2024-11-28 03:22:57,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:22:57,106 INFO L471 AbstractCegarLoop]: Abstraction has 15796 states and 16517 transitions. [2024-11-28 03:22:57,107 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 171.0) internal successors, (513), 3 states have internal predecessors, (513), 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) [2024-11-28 03:22:57,107 INFO L276 IsEmpty]: Start isEmpty. Operand 15796 states and 16517 transitions. [2024-11-28 03:22:57,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1221 [2024-11-28 03:22:57,177 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:22:57,177 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:22:57,178 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-28 03:22:57,178 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:22:57,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:22:57,179 INFO L85 PathProgramCache]: Analyzing trace with hash 1481143585, now seen corresponding path program 1 times [2024-11-28 03:22:57,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:22:57,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700086468] [2024-11-28 03:22:57,179 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:22:57,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:22:57,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:22:58,321 INFO L134 CoverageAnalysis]: Checked inductivity of 3152 backedges. 1268 proven. 0 refuted. 0 times theorem prover too weak. 1884 trivial. 0 not checked. [2024-11-28 03:22:58,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:22:58,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700086468] [2024-11-28 03:22:58,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [700086468] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:22:58,321 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:22:58,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:22:58,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414407495] [2024-11-28 03:22:58,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:22:58,323 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:22:58,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:22:58,323 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:22:58,323 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:22:58,324 INFO L87 Difference]: Start difference. First operand 15796 states and 16517 transitions. Second operand has 3 states, 3 states have (on average 134.66666666666666) internal successors, (404), 3 states have internal predecessors, (404), 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) [2024-11-28 03:22:59,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:22:59,387 INFO L93 Difference]: Finished difference Result 33893 states and 35500 transitions. [2024-11-28 03:22:59,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:22:59,388 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 134.66666666666666) internal successors, (404), 3 states have internal predecessors, (404), 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 1220 [2024-11-28 03:22:59,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:22:59,411 INFO L225 Difference]: With dead ends: 33893 [2024-11-28 03:22:59,411 INFO L226 Difference]: Without dead ends: 16454 [2024-11-28 03:22:59,419 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:22:59,420 INFO L435 NwaCegarLoop]: 406 mSDtfsCounter, 272 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 756 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 272 SdHoareTripleChecker+Valid, 412 SdHoareTripleChecker+Invalid, 821 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 756 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:22:59,420 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [272 Valid, 412 Invalid, 821 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 756 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-28 03:22:59,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16454 states. [2024-11-28 03:22:59,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16454 to 14480. [2024-11-28 03:22:59,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14480 states, 14479 states have (on average 1.0384004420194766) internal successors, (15035), 14479 states have internal predecessors, (15035), 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) [2024-11-28 03:22:59,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14480 states to 14480 states and 15035 transitions. [2024-11-28 03:22:59,610 INFO L78 Accepts]: Start accepts. Automaton has 14480 states and 15035 transitions. Word has length 1220 [2024-11-28 03:22:59,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:22:59,612 INFO L471 AbstractCegarLoop]: Abstraction has 14480 states and 15035 transitions. [2024-11-28 03:22:59,612 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 134.66666666666666) internal successors, (404), 3 states have internal predecessors, (404), 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) [2024-11-28 03:22:59,612 INFO L276 IsEmpty]: Start isEmpty. Operand 14480 states and 15035 transitions. [2024-11-28 03:22:59,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1340 [2024-11-28 03:22:59,641 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:22:59,641 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:22:59,642 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-28 03:22:59,643 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:22:59,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:22:59,644 INFO L85 PathProgramCache]: Analyzing trace with hash -1963580381, now seen corresponding path program 1 times [2024-11-28 03:22:59,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:22:59,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558659844] [2024-11-28 03:22:59,644 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:22:59,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:22:59,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:23:00,725 INFO L134 CoverageAnalysis]: Checked inductivity of 4263 backedges. 2785 proven. 0 refuted. 0 times theorem prover too weak. 1478 trivial. 0 not checked. [2024-11-28 03:23:00,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:23:00,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558659844] [2024-11-28 03:23:00,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1558659844] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:23:00,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:23:00,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:23:00,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499924465] [2024-11-28 03:23:00,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:23:00,727 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:23:00,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:23:00,728 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:23:00,728 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:23:00,729 INFO L87 Difference]: Start difference. First operand 14480 states and 15035 transitions. Second operand has 3 states, 3 states have (on average 198.0) internal successors, (594), 3 states have internal predecessors, (594), 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) [2024-11-28 03:23:01,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:23:01,787 INFO L93 Difference]: Finished difference Result 29287 states and 30429 transitions. [2024-11-28 03:23:01,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:23:01,787 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 198.0) internal successors, (594), 3 states have internal predecessors, (594), 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 1339 [2024-11-28 03:23:01,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:23:01,812 INFO L225 Difference]: With dead ends: 29287 [2024-11-28 03:23:01,812 INFO L226 Difference]: Without dead ends: 15467 [2024-11-28 03:23:01,823 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:23:01,825 INFO L435 NwaCegarLoop]: 411 mSDtfsCounter, 193 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 747 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 416 SdHoareTripleChecker+Invalid, 791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 747 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:23:01,825 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 416 Invalid, 791 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 747 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-28 03:23:01,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15467 states. [2024-11-28 03:23:01,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15467 to 14809. [2024-11-28 03:23:01,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14809 states, 14808 states have (on average 1.033698001080497) internal successors, (15307), 14808 states have internal predecessors, (15307), 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) [2024-11-28 03:23:02,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14809 states to 14809 states and 15307 transitions. [2024-11-28 03:23:02,014 INFO L78 Accepts]: Start accepts. Automaton has 14809 states and 15307 transitions. Word has length 1339 [2024-11-28 03:23:02,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:23:02,015 INFO L471 AbstractCegarLoop]: Abstraction has 14809 states and 15307 transitions. [2024-11-28 03:23:02,016 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 198.0) internal successors, (594), 3 states have internal predecessors, (594), 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) [2024-11-28 03:23:02,016 INFO L276 IsEmpty]: Start isEmpty. Operand 14809 states and 15307 transitions. [2024-11-28 03:23:02,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1369 [2024-11-28 03:23:02,041 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:23:02,041 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:23:02,042 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-28 03:23:02,042 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:23:02,043 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:23:02,043 INFO L85 PathProgramCache]: Analyzing trace with hash 2004844002, now seen corresponding path program 1 times [2024-11-28 03:23:02,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:23:02,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255278231] [2024-11-28 03:23:02,044 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:23:02,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:23:02,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:23:02,964 INFO L134 CoverageAnalysis]: Checked inductivity of 4391 backedges. 2941 proven. 0 refuted. 0 times theorem prover too weak. 1450 trivial. 0 not checked. [2024-11-28 03:23:02,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:23:02,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255278231] [2024-11-28 03:23:02,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [255278231] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:23:02,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:23:02,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:23:02,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134375234] [2024-11-28 03:23:02,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:23:02,970 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:23:02,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:23:02,971 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:23:02,971 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:23:02,972 INFO L87 Difference]: Start difference. First operand 14809 states and 15307 transitions. Second operand has 3 states, 3 states have (on average 198.66666666666666) internal successors, (596), 3 states have internal predecessors, (596), 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) [2024-11-28 03:23:04,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:23:04,023 INFO L93 Difference]: Finished difference Result 28958 states and 29948 transitions. [2024-11-28 03:23:04,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:23:04,023 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 198.66666666666666) internal successors, (596), 3 states have internal predecessors, (596), 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 1368 [2024-11-28 03:23:04,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:23:04,039 INFO L225 Difference]: With dead ends: 28958 [2024-11-28 03:23:04,039 INFO L226 Difference]: Without dead ends: 14809 [2024-11-28 03:23:04,048 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:23:04,049 INFO L435 NwaCegarLoop]: 413 mSDtfsCounter, 192 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 750 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 419 SdHoareTripleChecker+Invalid, 816 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 750 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:23:04,049 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [192 Valid, 419 Invalid, 816 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 750 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-28 03:23:04,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14809 states. [2024-11-28 03:23:04,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14809 to 14480. [2024-11-28 03:23:04,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14480 states, 14479 states have (on average 1.0275571517369984) internal successors, (14878), 14479 states have internal predecessors, (14878), 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) [2024-11-28 03:23:04,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14480 states to 14480 states and 14878 transitions. [2024-11-28 03:23:04,226 INFO L78 Accepts]: Start accepts. Automaton has 14480 states and 14878 transitions. Word has length 1368 [2024-11-28 03:23:04,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:23:04,227 INFO L471 AbstractCegarLoop]: Abstraction has 14480 states and 14878 transitions. [2024-11-28 03:23:04,227 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 198.66666666666666) internal successors, (596), 3 states have internal predecessors, (596), 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) [2024-11-28 03:23:04,227 INFO L276 IsEmpty]: Start isEmpty. Operand 14480 states and 14878 transitions. [2024-11-28 03:23:04,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1379 [2024-11-28 03:23:04,250 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:23:04,250 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:23:04,250 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-28 03:23:04,251 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:23:04,251 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:23:04,252 INFO L85 PathProgramCache]: Analyzing trace with hash 1348184464, now seen corresponding path program 1 times [2024-11-28 03:23:04,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:23:04,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714410674] [2024-11-28 03:23:04,252 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:23:04,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:23:04,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:23:06,427 INFO L134 CoverageAnalysis]: Checked inductivity of 3502 backedges. 763 proven. 1373 refuted. 0 times theorem prover too weak. 1366 trivial. 0 not checked. [2024-11-28 03:23:06,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:23:06,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714410674] [2024-11-28 03:23:06,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1714410674] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:23:06,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [183755040] [2024-11-28 03:23:06,427 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:23:06,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:23:06,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca8b9e-9b1a-44dc-b7a7-ce134aed467a/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:23:06,432 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca8b9e-9b1a-44dc-b7a7-ce134aed467a/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:23:06,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca8b9e-9b1a-44dc-b7a7-ce134aed467a/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 03:23:06,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:23:07,007 INFO L256 TraceCheckSpWp]: Trace formula consists of 1587 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 03:23:07,051 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:23:07,332 INFO L134 CoverageAnalysis]: Checked inductivity of 3502 backedges. 812 proven. 0 refuted. 0 times theorem prover too weak. 2690 trivial. 0 not checked. [2024-11-28 03:23:07,332 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:23:07,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [183755040] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:23:07,332 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:23:07,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-28 03:23:07,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569210048] [2024-11-28 03:23:07,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:23:07,335 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:23:07,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:23:07,336 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:23:07,336 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:23:07,337 INFO L87 Difference]: Start difference. First operand 14480 states and 14878 transitions. Second operand has 3 states, 3 states have (on average 134.33333333333334) internal successors, (403), 3 states have internal predecessors, (403), 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) [2024-11-28 03:23:08,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:23:08,466 INFO L93 Difference]: Finished difference Result 28629 states and 29423 transitions. [2024-11-28 03:23:08,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:23:08,467 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 134.33333333333334) internal successors, (403), 3 states have internal predecessors, (403), 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 1378 [2024-11-28 03:23:08,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:23:08,478 INFO L225 Difference]: With dead ends: 28629 [2024-11-28 03:23:08,478 INFO L226 Difference]: Without dead ends: 14480 [2024-11-28 03:23:08,486 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1383 GetRequests, 1379 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:23:08,487 INFO L435 NwaCegarLoop]: 359 mSDtfsCounter, 271 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 745 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 271 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 824 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 745 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:23:08,487 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [271 Valid, 364 Invalid, 824 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 745 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-28 03:23:08,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14480 states. [2024-11-28 03:23:08,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14480 to 14480. [2024-11-28 03:23:08,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14480 states, 14479 states have (on average 1.0230678914289661) internal successors, (14813), 14479 states have internal predecessors, (14813), 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) [2024-11-28 03:23:08,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14480 states to 14480 states and 14813 transitions. [2024-11-28 03:23:08,669 INFO L78 Accepts]: Start accepts. Automaton has 14480 states and 14813 transitions. Word has length 1378 [2024-11-28 03:23:08,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:23:08,671 INFO L471 AbstractCegarLoop]: Abstraction has 14480 states and 14813 transitions. [2024-11-28 03:23:08,671 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 134.33333333333334) internal successors, (403), 3 states have internal predecessors, (403), 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) [2024-11-28 03:23:08,671 INFO L276 IsEmpty]: Start isEmpty. Operand 14480 states and 14813 transitions. [2024-11-28 03:23:08,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1707 [2024-11-28 03:23:08,755 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:23:08,756 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:23:08,770 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca8b9e-9b1a-44dc-b7a7-ce134aed467a/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 03:23:08,961 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca8b9e-9b1a-44dc-b7a7-ce134aed467a/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-28 03:23:08,961 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:23:08,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:23:08,962 INFO L85 PathProgramCache]: Analyzing trace with hash 1513951258, now seen corresponding path program 1 times [2024-11-28 03:23:08,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:23:08,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862774450] [2024-11-28 03:23:08,963 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:23:08,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:23:09,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:23:10,931 INFO L134 CoverageAnalysis]: Checked inductivity of 4877 backedges. 2119 proven. 0 refuted. 0 times theorem prover too weak. 2758 trivial. 0 not checked. [2024-11-28 03:23:10,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:23:10,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862774450] [2024-11-28 03:23:10,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1862774450] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:23:10,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:23:10,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 03:23:10,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420133484] [2024-11-28 03:23:10,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:23:10,934 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 03:23:10,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:23:10,936 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 03:23:10,936 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:23:10,937 INFO L87 Difference]: Start difference. First operand 14480 states and 14813 transitions. Second operand has 7 states, 7 states have (on average 94.85714285714286) internal successors, (664), 7 states have internal predecessors, (664), 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) [2024-11-28 03:23:13,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:23:13,077 INFO L93 Difference]: Finished difference Result 28780 states and 29442 transitions. [2024-11-28 03:23:13,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 03:23:13,078 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 94.85714285714286) internal successors, (664), 7 states have internal predecessors, (664), 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 1706 [2024-11-28 03:23:13,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:23:13,080 INFO L225 Difference]: With dead ends: 28780 [2024-11-28 03:23:13,080 INFO L226 Difference]: Without dead ends: 0 [2024-11-28 03:23:13,086 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:23:13,087 INFO L435 NwaCegarLoop]: 411 mSDtfsCounter, 24 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 2993 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 451 SdHoareTripleChecker+Invalid, 3032 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 2993 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:23:13,087 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 451 Invalid, 3032 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 2993 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-28 03:23:13,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-28 03:23:13,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-28 03:23:13,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2024-11-28 03:23:13,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-28 03:23:13,088 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1706 [2024-11-28 03:23:13,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:23:13,088 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 03:23:13,089 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 94.85714285714286) internal successors, (664), 7 states have internal predecessors, (664), 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) [2024-11-28 03:23:13,089 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-28 03:23:13,089 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-28 03:23:13,092 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 03:23:13,093 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-28 03:23:13,096 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:23:13,099 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-28 03:23:14,756 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 03:23:14,775 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:23:14 BoogieIcfgContainer [2024-11-28 03:23:14,776 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 03:23:14,776 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 03:23:14,776 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 03:23:14,777 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 03:23:14,777 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:22:15" (3/4) ... [2024-11-28 03:23:14,780 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 03:23:14,810 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-28 03:23:14,812 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-28 03:23:14,814 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-28 03:23:14,817 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 03:23:15,093 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca8b9e-9b1a-44dc-b7a7-ce134aed467a/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 03:23:15,095 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca8b9e-9b1a-44dc-b7a7-ce134aed467a/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 03:23:15,095 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 03:23:15,096 INFO L158 Benchmark]: Toolchain (without parser) took 65455.41ms. Allocated memory was 117.4MB in the beginning and 1.5GB in the end (delta: 1.4GB). Free memory was 81.4MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 245.9MB. Max. memory is 16.1GB. [2024-11-28 03:23:15,098 INFO L158 Benchmark]: CDTParser took 0.48ms. Allocated memory is still 167.8MB. Free memory is still 106.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:23:15,099 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1263.22ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 72.2MB in the end (delta: 8.9MB). Peak memory consumption was 68.8MB. Max. memory is 16.1GB. [2024-11-28 03:23:15,099 INFO L158 Benchmark]: Boogie Procedure Inliner took 260.09ms. Allocated memory is still 117.4MB. Free memory was 72.2MB in the beginning and 48.8MB in the end (delta: 23.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-28 03:23:15,099 INFO L158 Benchmark]: Boogie Preprocessor took 390.76ms. Allocated memory is still 117.4MB. Free memory was 48.8MB in the beginning and 51.2MB in the end (delta: -2.4MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. [2024-11-28 03:23:15,100 INFO L158 Benchmark]: RCFGBuilder took 3806.07ms. Allocated memory was 117.4MB in the beginning and 327.2MB in the end (delta: 209.7MB). Free memory was 51.2MB in the beginning and 212.3MB in the end (delta: -161.1MB). Peak memory consumption was 181.6MB. Max. memory is 16.1GB. [2024-11-28 03:23:15,100 INFO L158 Benchmark]: TraceAbstraction took 59406.28ms. Allocated memory was 327.2MB in the beginning and 1.5GB in the end (delta: 1.2GB). Free memory was 212.3MB in the beginning and 1.3GB in the end (delta: -1.0GB). Peak memory consumption was 703.3MB. Max. memory is 16.1GB. [2024-11-28 03:23:15,101 INFO L158 Benchmark]: Witness Printer took 318.88ms. Allocated memory is still 1.5GB. Free memory was 1.3GB in the beginning and 1.2GB in the end (delta: 24.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-28 03:23:15,106 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48ms. Allocated memory is still 167.8MB. Free memory is still 106.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1263.22ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 72.2MB in the end (delta: 8.9MB). Peak memory consumption was 68.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 260.09ms. Allocated memory is still 117.4MB. Free memory was 72.2MB in the beginning and 48.8MB in the end (delta: 23.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 390.76ms. Allocated memory is still 117.4MB. Free memory was 48.8MB in the beginning and 51.2MB in the end (delta: -2.4MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. * RCFGBuilder took 3806.07ms. Allocated memory was 117.4MB in the beginning and 327.2MB in the end (delta: 209.7MB). Free memory was 51.2MB in the beginning and 212.3MB in the end (delta: -161.1MB). Peak memory consumption was 181.6MB. Max. memory is 16.1GB. * TraceAbstraction took 59406.28ms. Allocated memory was 327.2MB in the beginning and 1.5GB in the end (delta: 1.2GB). Free memory was 212.3MB in the beginning and 1.3GB in the end (delta: -1.0GB). Peak memory consumption was 703.3MB. Max. memory is 16.1GB. * Witness Printer took 318.88ms. Allocated memory is still 1.5GB. Free memory was 1.3GB in the beginning and 1.2GB in the end (delta: 24.9MB). Peak memory consumption was 25.2MB. 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 - PositiveResult [Line: 197]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 396 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 57.6s, OverallIterations: 18, TraceHistogramMax: 10, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.4s, AutomataDifference: 33.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4305 SdHoareTripleChecker+Valid, 30.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4305 mSDsluCounter, 4948 SdHoareTripleChecker+Invalid, 25.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 207 mSDsCounter, 2827 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18978 IncrementalHoareTripleChecker+Invalid, 21805 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2827 mSolverCounterUnsat, 4741 mSDtfsCounter, 18978 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1440 GetRequests, 1407 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16125occurred in iteration=12, InterpolantAutomatonStates: 64, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.5s AutomataMinimizationTime, 18 MinimizatonAttempts, 4935 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 17.3s InterpolantComputationTime, 15410 NumberOfCodeBlocks, 15410 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 15391 ConstructedInterpolants, 0 QuantifiedInterpolants, 33789 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1587 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 19 InterpolantComputations, 18 PerfectInterpolantSequences, 33955/35328 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, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1783]: Loop Invariant Derived loop invariant: ((((((((((((((((((((a12 <= 5) && (a16 == 8)) || ((a12 == 9) && (a16 == 9))) || ((a16 == 8) && (a15 <= 3))) || (((0 <= ((long long) 87 + a18)) && (5 == a12)) && (a15 == 3))) || ((a16 == 8) && (a12 == 6))) || ((a16 == 8) && (7 == a12))) || (((0 <= ((long long) 87 + a18)) && (a16 == 9)) && (a15 <= 3))) || (((5 == a12) && (a15 == 3)) && (11 <= a16))) || ((((a12 == 9) && (a15 <= 3)) && (((long long) 87 + a18) <= 0)) && (a16 <= 11))) || (((((a15 <= 3) && (((long long) 87 + a18) <= 0)) && (a12 <= 7)) && (a16 <= 11)) && (6 <= a12))) || ((a16 == 9) && (a12 == 8))) || ((a16 == 8) && (a12 == 8))) || ((a15 <= 3) && (a12 == 8))) || ((a12 == 9) && (a16 == 8))) || (((a15 <= 3) && (11 <= a16)) && (7 == a12))) || (((0 <= ((long long) 87 + a18)) && (a15 <= 3)) && (a12 == 6))) || (((a12 == 9) && (a15 <= 3)) && (11 <= a16))) || (((a16 == 10) && (a15 != 3)) && (a12 <= 7))) || ((a16 == 9) && (a12 <= 7))) RESULT: Ultimate proved your program to be correct! [2024-11-28 03:23:15,135 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afca8b9e-9b1a-44dc-b7a7-ce134aed467a/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE