./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_init_static_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_init_static_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d7eaf0344f6f57c66c46804220c62b0485b08b4ef0e684c487eaec2203e797bb --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 12:58:52,616 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 12:58:52,679 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-24 12:58:52,683 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 12:58:52,684 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 12:58:52,707 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 12:58:52,708 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 12:58:52,709 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 12:58:52,709 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 12:58:52,710 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 12:58:52,711 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 12:58:52,711 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 12:58:52,712 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 12:58:52,713 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 12:58:52,714 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 12:58:52,714 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 12:58:52,715 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 12:58:52,715 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 12:58:52,715 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 12:58:52,715 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 12:58:52,716 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 12:58:52,716 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 12:58:52,716 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 12:58:52,717 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 12:58:52,717 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 12:58:52,717 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 12:58:52,718 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 12:58:52,718 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 12:58:52,721 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 12:58:52,722 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 12:58:52,722 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 12:58:52,723 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 12:58:52,723 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 12:58:52,723 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 12:58:52,724 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 12:58:52,724 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 12:58:52,724 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 12:58:52,724 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 12:58:52,725 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 12:58:52,725 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d7eaf0344f6f57c66c46804220c62b0485b08b4ef0e684c487eaec2203e797bb [2024-10-24 12:58:52,955 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 12:58:52,978 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 12:58:52,982 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 12:58:52,983 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 12:58:52,984 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 12:58:52,985 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_init_static_harness.i [2024-10-24 12:58:54,483 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 12:58:54,897 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 12:58:54,898 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_init_static_harness.i [2024-10-24 12:58:54,938 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29e719428/414f9b6d13624cdc8589e5af9f09cd21/FLAG13ca8673f [2024-10-24 12:58:55,042 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29e719428/414f9b6d13624cdc8589e5af9f09cd21 [2024-10-24 12:58:55,046 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 12:58:55,047 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 12:58:55,050 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 12:58:55,050 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 12:58:55,055 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 12:58:55,055 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 12:58:55" (1/1) ... [2024-10-24 12:58:55,056 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45c399d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:58:55, skipping insertion in model container [2024-10-24 12:58:55,056 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 12:58:55" (1/1) ... [2024-10-24 12:58:55,152 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 12:58:55,450 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_init_static_harness.i[4504,4517] [2024-10-24 12:58:55,459 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_init_static_harness.i[4564,4577] [2024-10-24 12:58:56,196 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 12:58:56,198 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 12:58:56,198 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 12:58:56,200 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 12:58:56,201 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 12:58:56,220 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 12:58:56,221 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 12:58:56,224 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 12:58:56,226 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 12:58:56,581 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 12:58:56,581 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 12:58:56,633 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 12:58:56,671 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 12:58:56,685 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_init_static_harness.i[4504,4517] [2024-10-24 12:58:56,687 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_init_static_harness.i[4564,4577] [2024-10-24 12:58:56,756 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 12:58:56,756 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 12:58:56,756 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 12:58:56,757 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 12:58:56,760 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 12:58:56,766 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 12:58:56,766 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 12:58:56,767 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 12:58:56,769 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 12:58:56,838 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 12:58:56,838 WARN L1660 CHandler]: Possible shadowing of function index [2024-10-24 12:58:56,848 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7703-7714] [2024-10-24 12:58:56,873 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 12:58:57,108 INFO L204 MainTranslator]: Completed translation [2024-10-24 12:58:57,108 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:58:57 WrapperNode [2024-10-24 12:58:57,109 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 12:58:57,110 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 12:58:57,110 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 12:58:57,110 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 12:58:57,116 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:58:57" (1/1) ... [2024-10-24 12:58:57,254 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:58:57" (1/1) ... [2024-10-24 12:58:57,330 INFO L138 Inliner]: procedures = 678, calls = 1513, calls flagged for inlining = 53, calls inlined = 9, statements flattened = 680 [2024-10-24 12:58:57,334 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 12:58:57,335 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 12:58:57,335 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 12:58:57,335 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 12:58:57,347 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:58:57" (1/1) ... [2024-10-24 12:58:57,347 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:58:57" (1/1) ... [2024-10-24 12:58:57,358 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:58:57" (1/1) ... [2024-10-24 12:58:57,419 INFO L175 MemorySlicer]: Split 292 memory accesses to 5 slices as follows [2, 236, 47, 2, 5]. 81 percent of accesses are in the largest equivalence class. The 256 initializations are split as follows [2, 236, 13, 0, 5]. The 7 writes are split as follows [0, 0, 7, 0, 0]. [2024-10-24 12:58:57,420 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:58:57" (1/1) ... [2024-10-24 12:58:57,420 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:58:57" (1/1) ... [2024-10-24 12:58:57,457 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:58:57" (1/1) ... [2024-10-24 12:58:57,462 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:58:57" (1/1) ... [2024-10-24 12:58:57,472 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:58:57" (1/1) ... [2024-10-24 12:58:57,476 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:58:57" (1/1) ... [2024-10-24 12:58:57,488 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 12:58:57,496 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 12:58:57,496 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 12:58:57,496 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 12:58:57,497 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:58:57" (1/1) ... [2024-10-24 12:58:57,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 12:58:57,516 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 12:58:57,535 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-24 12:58:57,538 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-24 12:58:57,578 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-10-24 12:58:57,579 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-10-24 12:58:57,579 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-24 12:58:57,579 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-10-24 12:58:57,579 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-10-24 12:58:57,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-24 12:58:57,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-24 12:58:57,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-24 12:58:57,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-24 12:58:57,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-24 12:58:57,580 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-10-24 12:58:57,580 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-10-24 12:58:57,580 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-24 12:58:57,580 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-24 12:58:57,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-24 12:58:57,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 12:58:57,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-24 12:58:57,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-24 12:58:57,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-24 12:58:57,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-24 12:58:57,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-24 12:58:57,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 12:58:57,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 12:58:57,582 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-10-24 12:58:57,582 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-10-24 12:58:57,582 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-10-24 12:58:57,582 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-10-24 12:58:57,582 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-10-24 12:58:57,582 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-10-24 12:58:57,582 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2024-10-24 12:58:57,582 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2024-10-24 12:58:57,583 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 12:58:57,583 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 12:58:57,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-24 12:58:57,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-24 12:58:57,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-24 12:58:57,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-24 12:58:57,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-24 12:58:57,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-24 12:58:57,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-24 12:58:57,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-24 12:58:57,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-24 12:58:57,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-24 12:58:57,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-24 12:58:57,584 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-10-24 12:58:57,585 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-10-24 12:58:57,585 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-10-24 12:58:57,585 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-10-24 12:58:57,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-24 12:58:57,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-24 12:58:57,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-24 12:58:57,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-24 12:58:57,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-24 12:58:57,585 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2024-10-24 12:58:57,585 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2024-10-24 12:58:57,585 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2024-10-24 12:58:57,586 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2024-10-24 12:58:57,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 12:58:57,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-24 12:58:57,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-24 12:58:57,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-24 12:58:57,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-24 12:58:57,892 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 12:58:57,893 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 12:58:58,661 INFO L? ?]: Removed 135 outVars from TransFormulas that were not future-live. [2024-10-24 12:58:58,661 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 12:58:58,753 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 12:58:58,753 INFO L314 CfgBuilder]: Removed 4 assume(true) statements. [2024-10-24 12:58:58,754 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 12:58:58 BoogieIcfgContainer [2024-10-24 12:58:58,754 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 12:58:58,756 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 12:58:58,756 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 12:58:58,760 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 12:58:58,760 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 12:58:55" (1/3) ... [2024-10-24 12:58:58,760 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13c11274 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 12:58:58, skipping insertion in model container [2024-10-24 12:58:58,761 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:58:57" (2/3) ... [2024-10-24 12:58:58,761 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13c11274 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 12:58:58, skipping insertion in model container [2024-10-24 12:58:58,761 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 12:58:58" (3/3) ... [2024-10-24 12:58:58,763 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_init_static_harness.i [2024-10-24 12:58:58,780 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 12:58:58,780 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 12:58:58,856 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 12:58:58,865 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;@5e74f62d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 12:58:58,867 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 12:58:58,872 INFO L276 IsEmpty]: Start isEmpty. Operand has 152 states, 90 states have (on average 1.2555555555555555) internal successors, (113), 90 states have internal predecessors, (113), 48 states have call successors, (48), 13 states have call predecessors, (48), 13 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-10-24 12:58:58,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-10-24 12:58:58,887 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 12:58:58,888 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 9, 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] [2024-10-24 12:58:58,889 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 12:58:58,894 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 12:58:58,894 INFO L85 PathProgramCache]: Analyzing trace with hash -384985302, now seen corresponding path program 1 times [2024-10-24 12:58:58,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 12:58:58,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268438973] [2024-10-24 12:58:58,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 12:58:58,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 12:58:59,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:58:59,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 12:58:59,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:58:59,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 12:58:59,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:58:59,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 12:58:59,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:58:59,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 12:58:59,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:58:59,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-24 12:58:59,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:58:59,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 12:58:59,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:58:59,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 12:58:59,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:58:59,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 12:58:59,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:58:59,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 12:58:59,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:58:59,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 12:58:59,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:58:59,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-24 12:58:59,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:58:59,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-24 12:58:59,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:58:59,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 12:58:59,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:58:59,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 12:58:59,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:58:59,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 12:58:59,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:58:59,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 12:58:59,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:58:59,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-24 12:58:59,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:58:59,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-24 12:58:59,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:58:59,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-24 12:58:59,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:58:59,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-24 12:58:59,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:58:59,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 12:58:59,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:58:59,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-24 12:58:59,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:58:59,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-24 12:58:59,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:58:59,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-24 12:58:59,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:58:59,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-24 12:58:59,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:58:59,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 12:58:59,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:58:59,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-24 12:58:59,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:58:59,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-24 12:58:59,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:58:59,970 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 391 trivial. 0 not checked. [2024-10-24 12:58:59,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 12:58:59,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268438973] [2024-10-24 12:58:59,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [268438973] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 12:58:59,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 12:58:59,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 12:58:59,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505174046] [2024-10-24 12:58:59,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 12:58:59,980 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 12:58:59,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 12:59:00,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 12:59:00,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 12:59:00,009 INFO L87 Difference]: Start difference. First operand has 152 states, 90 states have (on average 1.2555555555555555) internal successors, (113), 90 states have internal predecessors, (113), 48 states have call successors, (48), 13 states have call predecessors, (48), 13 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (28), 5 states have call predecessors, (28), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-10-24 12:59:00,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 12:59:00,792 INFO L93 Difference]: Finished difference Result 309 states and 459 transitions. [2024-10-24 12:59:00,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 12:59:00,795 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (28), 5 states have call predecessors, (28), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 140 [2024-10-24 12:59:00,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 12:59:00,805 INFO L225 Difference]: With dead ends: 309 [2024-10-24 12:59:00,805 INFO L226 Difference]: Without dead ends: 176 [2024-10-24 12:59:00,810 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 12:59:00,813 INFO L432 NwaCegarLoop]: 162 mSDtfsCounter, 183 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 166 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 362 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 166 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-24 12:59:00,814 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 258 Invalid, 362 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [166 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-24 12:59:00,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2024-10-24 12:59:00,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 149. [2024-10-24 12:59:00,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 87 states have (on average 1.1954022988505748) internal successors, (104), 88 states have internal predecessors, (104), 48 states have call successors, (48), 13 states have call predecessors, (48), 13 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2024-10-24 12:59:00,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 199 transitions. [2024-10-24 12:59:00,878 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 199 transitions. Word has length 140 [2024-10-24 12:59:00,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 12:59:00,878 INFO L471 AbstractCegarLoop]: Abstraction has 149 states and 199 transitions. [2024-10-24 12:59:00,879 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (28), 5 states have call predecessors, (28), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-10-24 12:59:00,879 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 199 transitions. [2024-10-24 12:59:00,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-10-24 12:59:00,881 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 12:59:00,882 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 9, 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] [2024-10-24 12:59:00,882 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 12:59:00,882 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 12:59:00,882 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 12:59:00,883 INFO L85 PathProgramCache]: Analyzing trace with hash 2013316054, now seen corresponding path program 1 times [2024-10-24 12:59:00,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 12:59:00,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761793250] [2024-10-24 12:59:00,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 12:59:00,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 12:59:00,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:01,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 12:59:01,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:01,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 12:59:01,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:01,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 12:59:01,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:01,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 12:59:01,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:01,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-24 12:59:01,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:01,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 12:59:01,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:01,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 12:59:01,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:01,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 12:59:01,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:01,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 12:59:01,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:01,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 12:59:01,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:01,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-24 12:59:01,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:01,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-24 12:59:01,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:01,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 12:59:01,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:01,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 12:59:01,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:01,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 12:59:01,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:01,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 12:59:01,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:01,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-24 12:59:01,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:01,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-24 12:59:01,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:01,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-24 12:59:01,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:01,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-24 12:59:01,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:01,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-24 12:59:01,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:01,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 12:59:01,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:01,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 12:59:01,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:01,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-24 12:59:01,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:01,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-24 12:59:01,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:01,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-24 12:59:01,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:01,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-24 12:59:01,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:01,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-24 12:59:01,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:02,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 12:59:02,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:02,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-24 12:59:02,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:02,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-24 12:59:02,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:02,120 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 443 trivial. 0 not checked. [2024-10-24 12:59:02,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 12:59:02,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761793250] [2024-10-24 12:59:02,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761793250] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 12:59:02,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 12:59:02,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-24 12:59:02,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284983706] [2024-10-24 12:59:02,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 12:59:02,124 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-24 12:59:02,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 12:59:02,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-24 12:59:02,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-10-24 12:59:02,126 INFO L87 Difference]: Start difference. First operand 149 states and 199 transitions. Second operand has 11 states, 11 states have (on average 3.727272727272727) internal successors, (41), 7 states have internal predecessors, (41), 5 states have call successors, (31), 6 states have call predecessors, (31), 2 states have return successors, (30), 5 states have call predecessors, (30), 4 states have call successors, (30) [2024-10-24 12:59:03,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 12:59:03,668 INFO L93 Difference]: Finished difference Result 292 states and 397 transitions. [2024-10-24 12:59:03,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-24 12:59:03,669 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.727272727272727) internal successors, (41), 7 states have internal predecessors, (41), 5 states have call successors, (31), 6 states have call predecessors, (31), 2 states have return successors, (30), 5 states have call predecessors, (30), 4 states have call successors, (30) Word has length 155 [2024-10-24 12:59:03,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 12:59:03,673 INFO L225 Difference]: With dead ends: 292 [2024-10-24 12:59:03,674 INFO L226 Difference]: Without dead ends: 206 [2024-10-24 12:59:03,675 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=66, Invalid=240, Unknown=0, NotChecked=0, Total=306 [2024-10-24 12:59:03,678 INFO L432 NwaCegarLoop]: 145 mSDtfsCounter, 195 mSDsluCounter, 605 mSDsCounter, 0 mSdLazyCounter, 933 mSolverCounterSat, 146 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 750 SdHoareTripleChecker+Invalid, 1079 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 146 IncrementalHoareTripleChecker+Valid, 933 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-24 12:59:03,681 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 750 Invalid, 1079 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [146 Valid, 933 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-24 12:59:03,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2024-10-24 12:59:03,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 151. [2024-10-24 12:59:03,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 88 states have (on average 1.1931818181818181) internal successors, (105), 90 states have internal predecessors, (105), 48 states have call successors, (48), 13 states have call predecessors, (48), 14 states have return successors, (49), 47 states have call predecessors, (49), 47 states have call successors, (49) [2024-10-24 12:59:03,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 202 transitions. [2024-10-24 12:59:03,708 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 202 transitions. Word has length 155 [2024-10-24 12:59:03,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 12:59:03,709 INFO L471 AbstractCegarLoop]: Abstraction has 151 states and 202 transitions. [2024-10-24 12:59:03,709 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.727272727272727) internal successors, (41), 7 states have internal predecessors, (41), 5 states have call successors, (31), 6 states have call predecessors, (31), 2 states have return successors, (30), 5 states have call predecessors, (30), 4 states have call successors, (30) [2024-10-24 12:59:03,709 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 202 transitions. [2024-10-24 12:59:03,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-10-24 12:59:03,711 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 12:59:03,712 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 9, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 12:59:03,712 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 12:59:03,712 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 12:59:03,712 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 12:59:03,713 INFO L85 PathProgramCache]: Analyzing trace with hash -1076362070, now seen corresponding path program 1 times [2024-10-24 12:59:03,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 12:59:03,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473932552] [2024-10-24 12:59:03,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 12:59:03,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 12:59:03,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:04,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 12:59:04,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:04,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 12:59:04,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:04,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 12:59:04,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:04,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 12:59:04,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:04,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-24 12:59:04,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:04,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 12:59:04,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:04,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 12:59:04,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:04,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 12:59:04,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:04,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 12:59:04,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:04,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 12:59:04,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:04,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-24 12:59:04,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:04,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-24 12:59:04,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:04,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 12:59:04,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:04,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 12:59:04,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:04,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 12:59:04,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:04,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 12:59:04,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:04,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-24 12:59:04,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:04,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-24 12:59:04,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:04,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-24 12:59:04,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:04,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-24 12:59:04,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:04,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-24 12:59:04,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:04,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 12:59:04,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:04,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 12:59:04,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:04,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-24 12:59:04,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:04,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-24 12:59:04,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:04,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-24 12:59:04,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:04,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-24 12:59:04,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:04,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-24 12:59:04,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:04,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 12:59:04,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:04,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-24 12:59:04,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:04,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-24 12:59:04,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:04,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 12:59:04,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:04,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 12:59:04,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:04,684 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 457 trivial. 0 not checked. [2024-10-24 12:59:04,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 12:59:04,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473932552] [2024-10-24 12:59:04,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [473932552] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 12:59:04,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 12:59:04,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-24 12:59:04,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385949828] [2024-10-24 12:59:04,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 12:59:04,686 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 12:59:04,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 12:59:04,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 12:59:04,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-10-24 12:59:04,687 INFO L87 Difference]: Start difference. First operand 151 states and 202 transitions. Second operand has 10 states, 9 states have (on average 5.111111111111111) internal successors, (46), 6 states have internal predecessors, (46), 4 states have call successors, (32), 6 states have call predecessors, (32), 3 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2024-10-24 12:59:05,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 12:59:05,959 INFO L93 Difference]: Finished difference Result 311 states and 423 transitions. [2024-10-24 12:59:05,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-24 12:59:05,959 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 5.111111111111111) internal successors, (46), 6 states have internal predecessors, (46), 4 states have call successors, (32), 6 states have call predecessors, (32), 3 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) Word has length 168 [2024-10-24 12:59:05,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 12:59:05,962 INFO L225 Difference]: With dead ends: 311 [2024-10-24 12:59:05,962 INFO L226 Difference]: Without dead ends: 206 [2024-10-24 12:59:05,966 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272 [2024-10-24 12:59:05,967 INFO L432 NwaCegarLoop]: 166 mSDtfsCounter, 212 mSDsluCounter, 633 mSDsCounter, 0 mSdLazyCounter, 679 mSolverCounterSat, 172 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 799 SdHoareTripleChecker+Invalid, 851 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 172 IncrementalHoareTripleChecker+Valid, 679 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-24 12:59:05,968 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [216 Valid, 799 Invalid, 851 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [172 Valid, 679 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-24 12:59:05,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2024-10-24 12:59:05,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 151. [2024-10-24 12:59:05,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 88 states have (on average 1.1818181818181819) internal successors, (104), 90 states have internal predecessors, (104), 48 states have call successors, (48), 13 states have call predecessors, (48), 14 states have return successors, (49), 47 states have call predecessors, (49), 47 states have call successors, (49) [2024-10-24 12:59:05,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 201 transitions. [2024-10-24 12:59:05,989 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 201 transitions. Word has length 168 [2024-10-24 12:59:05,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 12:59:05,989 INFO L471 AbstractCegarLoop]: Abstraction has 151 states and 201 transitions. [2024-10-24 12:59:05,990 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 5.111111111111111) internal successors, (46), 6 states have internal predecessors, (46), 4 states have call successors, (32), 6 states have call predecessors, (32), 3 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2024-10-24 12:59:05,990 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 201 transitions. [2024-10-24 12:59:05,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-10-24 12:59:05,992 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 12:59:05,992 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 9, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 12:59:05,992 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 12:59:05,992 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 12:59:05,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 12:59:05,993 INFO L85 PathProgramCache]: Analyzing trace with hash 795437778, now seen corresponding path program 1 times [2024-10-24 12:59:05,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 12:59:05,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881060613] [2024-10-24 12:59:05,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 12:59:05,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 12:59:06,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:06,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 12:59:06,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:06,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 12:59:06,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:06,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 12:59:06,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:06,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 12:59:06,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:06,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-24 12:59:06,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:06,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 12:59:06,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:06,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 12:59:06,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:06,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 12:59:06,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:06,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 12:59:06,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:06,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 12:59:06,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:06,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-24 12:59:06,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:06,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-24 12:59:06,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:06,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 12:59:06,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:06,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 12:59:06,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:06,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 12:59:06,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:06,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 12:59:06,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:06,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-24 12:59:06,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:06,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-24 12:59:06,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:06,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-24 12:59:06,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:06,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-24 12:59:06,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:06,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-24 12:59:06,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:06,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 12:59:06,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:07,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 12:59:07,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:07,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 12:59:07,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:07,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 12:59:07,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:07,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-24 12:59:07,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:07,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-24 12:59:07,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:07,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 12:59:07,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:07,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 12:59:07,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:07,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 12:59:07,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:07,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-24 12:59:07,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:07,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 12:59:07,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:07,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 12:59:07,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:07,266 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 457 trivial. 0 not checked. [2024-10-24 12:59:07,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 12:59:07,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881060613] [2024-10-24 12:59:07,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [881060613] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 12:59:07,267 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 12:59:07,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-24 12:59:07,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254230324] [2024-10-24 12:59:07,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 12:59:07,268 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-24 12:59:07,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 12:59:07,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-24 12:59:07,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-10-24 12:59:07,269 INFO L87 Difference]: Start difference. First operand 151 states and 201 transitions. Second operand has 11 states, 10 states have (on average 4.8) internal successors, (48), 7 states have internal predecessors, (48), 4 states have call successors, (32), 6 states have call predecessors, (32), 3 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2024-10-24 12:59:08,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 12:59:08,682 INFO L93 Difference]: Finished difference Result 307 states and 418 transitions. [2024-10-24 12:59:08,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-24 12:59:08,683 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 4.8) internal successors, (48), 7 states have internal predecessors, (48), 4 states have call successors, (32), 6 states have call predecessors, (32), 3 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) Word has length 170 [2024-10-24 12:59:08,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 12:59:08,685 INFO L225 Difference]: With dead ends: 307 [2024-10-24 12:59:08,686 INFO L226 Difference]: Without dead ends: 201 [2024-10-24 12:59:08,687 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=85, Invalid=257, Unknown=0, NotChecked=0, Total=342 [2024-10-24 12:59:08,687 INFO L432 NwaCegarLoop]: 166 mSDtfsCounter, 201 mSDsluCounter, 762 mSDsCounter, 0 mSdLazyCounter, 784 mSolverCounterSat, 168 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 928 SdHoareTripleChecker+Invalid, 952 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 168 IncrementalHoareTripleChecker+Valid, 784 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-24 12:59:08,688 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [205 Valid, 928 Invalid, 952 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [168 Valid, 784 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-24 12:59:08,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2024-10-24 12:59:08,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 152. [2024-10-24 12:59:08,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 89 states have (on average 1.1797752808988764) internal successors, (105), 91 states have internal predecessors, (105), 48 states have call successors, (48), 13 states have call predecessors, (48), 14 states have return successors, (49), 47 states have call predecessors, (49), 47 states have call successors, (49) [2024-10-24 12:59:08,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 202 transitions. [2024-10-24 12:59:08,718 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 202 transitions. Word has length 170 [2024-10-24 12:59:08,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 12:59:08,719 INFO L471 AbstractCegarLoop]: Abstraction has 152 states and 202 transitions. [2024-10-24 12:59:08,720 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 4.8) internal successors, (48), 7 states have internal predecessors, (48), 4 states have call successors, (32), 6 states have call predecessors, (32), 3 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2024-10-24 12:59:08,720 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 202 transitions. [2024-10-24 12:59:08,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-10-24 12:59:08,724 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 12:59:08,724 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 9, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 12:59:08,724 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 12:59:08,725 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 12:59:08,725 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 12:59:08,725 INFO L85 PathProgramCache]: Analyzing trace with hash -884208099, now seen corresponding path program 1 times [2024-10-24 12:59:08,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 12:59:08,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46206993] [2024-10-24 12:59:08,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 12:59:08,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 12:59:08,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:09,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 12:59:09,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:09,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 12:59:09,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:09,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 12:59:09,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:09,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 12:59:09,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:09,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-24 12:59:09,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:09,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 12:59:09,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:09,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 12:59:09,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:09,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 12:59:09,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:09,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 12:59:09,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:09,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 12:59:09,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:09,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-24 12:59:09,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:09,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-24 12:59:09,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:09,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 12:59:09,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:09,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 12:59:09,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:09,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 12:59:09,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:09,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 12:59:09,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:09,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-24 12:59:09,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:09,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-24 12:59:09,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:09,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-24 12:59:09,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:09,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-24 12:59:09,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:09,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-24 12:59:09,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:09,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 12:59:09,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:09,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 12:59:09,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:09,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 12:59:09,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:09,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 12:59:09,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:09,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 12:59:09,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:09,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 12:59:09,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:09,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 12:59:09,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:09,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 12:59:09,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:09,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-24 12:59:09,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:09,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-24 12:59:09,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:09,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 12:59:09,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:09,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 12:59:09,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:09,934 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 457 trivial. 0 not checked. [2024-10-24 12:59:09,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 12:59:09,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46206993] [2024-10-24 12:59:09,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [46206993] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 12:59:09,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1926415382] [2024-10-24 12:59:09,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 12:59:09,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 12:59:09,935 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 12:59:09,937 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 12:59:09,939 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-24 12:59:10,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:10,488 INFO L255 TraceCheckSpWp]: Trace formula consists of 2503 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-10-24 12:59:10,504 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 12:59:10,829 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-10-24 12:59:10,999 WARN L873 $PredicateComparison]: unable to prove that (exists ((|v_aws_mul_size_checked_aws_mul_u64_checked_~r#1.offset_7| Int) (|v_aws_mul_size_checked_aws_mul_u64_checked_~r#1.base_7| Int)) (and (<= |v_aws_mul_size_checked_aws_mul_u64_checked_~r#1.offset_7| |c_aws_mul_size_checked_#in~r#1.offset|) (= (store |c_old(#memory_$Pointer$#2.base)| |v_aws_mul_size_checked_aws_mul_u64_checked_~r#1.base_7| (store (select |c_old(#memory_$Pointer$#2.base)| |v_aws_mul_size_checked_aws_mul_u64_checked_~r#1.base_7|) |v_aws_mul_size_checked_aws_mul_u64_checked_~r#1.offset_7| (select (select |c_#memory_$Pointer$#2.base| |v_aws_mul_size_checked_aws_mul_u64_checked_~r#1.base_7|) |v_aws_mul_size_checked_aws_mul_u64_checked_~r#1.offset_7|))) |c_#memory_$Pointer$#2.base|))) is different from true [2024-10-24 12:59:11,314 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 448 trivial. 0 not checked. [2024-10-24 12:59:11,314 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 12:59:11,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1926415382] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 12:59:11,314 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 12:59:11,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [12] total 27 [2024-10-24 12:59:11,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825882692] [2024-10-24 12:59:11,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 12:59:11,315 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-10-24 12:59:11,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 12:59:11,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-10-24 12:59:11,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=572, Unknown=13, NotChecked=48, Total=702 [2024-10-24 12:59:11,316 INFO L87 Difference]: Start difference. First operand 152 states and 202 transitions. Second operand has 17 states, 14 states have (on average 3.7142857142857144) internal successors, (52), 15 states have internal predecessors, (52), 8 states have call successors, (33), 3 states have call predecessors, (33), 4 states have return successors, (32), 8 states have call predecessors, (32), 7 states have call successors, (32) [2024-10-24 12:59:14,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 12:59:14,513 INFO L93 Difference]: Finished difference Result 300 states and 416 transitions. [2024-10-24 12:59:14,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-24 12:59:14,513 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 14 states have (on average 3.7142857142857144) internal successors, (52), 15 states have internal predecessors, (52), 8 states have call successors, (33), 3 states have call predecessors, (33), 4 states have return successors, (32), 8 states have call predecessors, (32), 7 states have call successors, (32) Word has length 171 [2024-10-24 12:59:14,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 12:59:14,516 INFO L225 Difference]: With dead ends: 300 [2024-10-24 12:59:14,516 INFO L226 Difference]: Without dead ends: 212 [2024-10-24 12:59:14,520 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 219 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=135, Invalid=1185, Unknown=16, NotChecked=70, Total=1406 [2024-10-24 12:59:14,521 INFO L432 NwaCegarLoop]: 157 mSDtfsCounter, 90 mSDsluCounter, 934 mSDsCounter, 0 mSdLazyCounter, 1634 mSolverCounterSat, 72 mSolverCounterUnsat, 40 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 1091 SdHoareTripleChecker+Invalid, 2097 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 1634 IncrementalHoareTripleChecker+Invalid, 40 IncrementalHoareTripleChecker+Unknown, 351 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-10-24 12:59:14,521 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 1091 Invalid, 2097 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 1634 Invalid, 40 Unknown, 351 Unchecked, 2.9s Time] [2024-10-24 12:59:14,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2024-10-24 12:59:14,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 153. [2024-10-24 12:59:14,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 90 states have (on average 1.1777777777777778) internal successors, (106), 92 states have internal predecessors, (106), 48 states have call successors, (48), 13 states have call predecessors, (48), 14 states have return successors, (49), 47 states have call predecessors, (49), 47 states have call successors, (49) [2024-10-24 12:59:14,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 203 transitions. [2024-10-24 12:59:14,552 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 203 transitions. Word has length 171 [2024-10-24 12:59:14,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 12:59:14,553 INFO L471 AbstractCegarLoop]: Abstraction has 153 states and 203 transitions. [2024-10-24 12:59:14,553 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 14 states have (on average 3.7142857142857144) internal successors, (52), 15 states have internal predecessors, (52), 8 states have call successors, (33), 3 states have call predecessors, (33), 4 states have return successors, (32), 8 states have call predecessors, (32), 7 states have call successors, (32) [2024-10-24 12:59:14,553 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 203 transitions. [2024-10-24 12:59:14,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-10-24 12:59:14,556 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 12:59:14,556 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 9, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 12:59:14,582 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-24 12:59:14,757 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 12:59:14,757 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 12:59:14,758 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 12:59:14,758 INFO L85 PathProgramCache]: Analyzing trace with hash -238612999, now seen corresponding path program 1 times [2024-10-24 12:59:14,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 12:59:14,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954667242] [2024-10-24 12:59:14,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 12:59:14,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 12:59:15,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:15,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 12:59:15,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:15,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 12:59:15,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:15,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 12:59:15,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:15,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 12:59:15,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:15,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-24 12:59:15,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:15,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 12:59:15,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:15,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 12:59:15,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:15,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 12:59:15,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:15,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 12:59:15,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:15,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 12:59:15,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:15,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-24 12:59:15,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:15,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-24 12:59:15,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:15,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 12:59:15,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:15,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 12:59:15,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:15,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 12:59:15,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:15,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 12:59:15,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:15,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-24 12:59:15,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:15,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-24 12:59:15,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:15,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-24 12:59:15,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:15,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-24 12:59:15,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:15,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-24 12:59:15,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:15,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 12:59:15,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:16,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 12:59:16,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:16,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 12:59:16,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:16,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 12:59:16,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:16,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 12:59:16,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:16,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 12:59:16,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:16,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 12:59:16,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:16,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 12:59:16,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:16,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-24 12:59:16,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:16,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-24 12:59:16,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:16,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 12:59:16,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:16,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 12:59:16,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:16,129 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 457 trivial. 0 not checked. [2024-10-24 12:59:16,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 12:59:16,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954667242] [2024-10-24 12:59:16,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [954667242] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 12:59:16,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [43121661] [2024-10-24 12:59:16,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 12:59:16,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 12:59:16,130 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 12:59:16,132 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 12:59:16,133 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-24 12:59:16,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:16,654 INFO L255 TraceCheckSpWp]: Trace formula consists of 2513 conjuncts, 102 conjuncts are in the unsatisfiable core [2024-10-24 12:59:16,671 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 12:59:16,679 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-10-24 12:59:17,119 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-10-24 12:59:17,119 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 16 [2024-10-24 12:59:17,451 WARN L873 $PredicateComparison]: unable to prove that (exists ((|bounded_malloc_#res.base| Int)) (= |c_#valid| (store |c_old(#valid)| |bounded_malloc_#res.base| 1))) is different from true [2024-10-24 12:59:17,464 INFO L349 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2024-10-24 12:59:17,464 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2024-10-24 12:59:18,143 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-10-24 12:59:18,284 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 1 [2024-10-24 12:59:18,721 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 42 proven. 26 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2024-10-24 12:59:18,722 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 12:59:19,090 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 458 trivial. 0 not checked. [2024-10-24 12:59:19,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [43121661] provided 1 perfect and 1 imperfect interpolant sequences [2024-10-24 12:59:19,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-10-24 12:59:19,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12, 22] total 35 [2024-10-24 12:59:19,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048498310] [2024-10-24 12:59:19,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 12:59:19,092 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 12:59:19,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 12:59:19,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 12:59:19,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=1015, Unknown=1, NotChecked=64, Total=1190 [2024-10-24 12:59:19,094 INFO L87 Difference]: Start difference. First operand 153 states and 203 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (31), 2 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-24 12:59:19,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 12:59:19,335 INFO L93 Difference]: Finished difference Result 249 states and 330 transitions. [2024-10-24 12:59:19,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 12:59:19,336 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (31), 2 states have call predecessors, (31), 1 states have call successors, (31) Word has length 173 [2024-10-24 12:59:19,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 12:59:19,338 INFO L225 Difference]: With dead ends: 249 [2024-10-24 12:59:19,338 INFO L226 Difference]: Without dead ends: 160 [2024-10-24 12:59:19,339 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 417 GetRequests, 334 SyntacticMatches, 49 SemanticMatches, 34 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 643 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=115, Invalid=1078, Unknown=1, NotChecked=66, Total=1260 [2024-10-24 12:59:19,339 INFO L432 NwaCegarLoop]: 179 mSDtfsCounter, 10 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 512 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 12:59:19,340 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 512 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 12:59:19,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2024-10-24 12:59:19,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 156. [2024-10-24 12:59:19,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 93 states have (on average 1.1827956989247312) internal successors, (110), 95 states have internal predecessors, (110), 48 states have call successors, (48), 13 states have call predecessors, (48), 14 states have return successors, (49), 47 states have call predecessors, (49), 47 states have call successors, (49) [2024-10-24 12:59:19,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 207 transitions. [2024-10-24 12:59:19,354 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 207 transitions. Word has length 173 [2024-10-24 12:59:19,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 12:59:19,355 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 207 transitions. [2024-10-24 12:59:19,355 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (31), 2 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-24 12:59:19,355 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 207 transitions. [2024-10-24 12:59:19,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-10-24 12:59:19,357 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 12:59:19,357 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 9, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 12:59:19,379 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-24 12:59:19,557 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-10-24 12:59:19,558 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 12:59:19,558 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 12:59:19,558 INFO L85 PathProgramCache]: Analyzing trace with hash -918671369, now seen corresponding path program 1 times [2024-10-24 12:59:19,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 12:59:19,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837605041] [2024-10-24 12:59:19,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 12:59:19,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 12:59:19,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:20,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 12:59:20,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:20,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 12:59:20,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:20,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 12:59:20,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:20,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 12:59:20,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:20,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-24 12:59:20,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:20,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 12:59:20,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:20,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 12:59:20,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:20,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 12:59:20,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:20,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 12:59:20,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:20,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 12:59:20,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:20,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-24 12:59:20,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:20,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-24 12:59:20,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:20,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 12:59:20,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:20,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 12:59:20,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:20,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 12:59:20,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:20,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 12:59:20,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:20,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-24 12:59:20,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:20,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-24 12:59:20,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:20,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-24 12:59:20,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:20,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-24 12:59:20,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:20,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-24 12:59:20,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:20,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 12:59:20,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:20,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 12:59:20,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:20,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 12:59:20,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:20,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 12:59:20,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:20,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 12:59:20,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:20,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 12:59:20,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:20,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 12:59:20,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:20,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 12:59:20,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:20,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-24 12:59:20,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:20,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-24 12:59:20,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:20,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 12:59:20,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:20,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 12:59:20,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:20,857 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 457 trivial. 0 not checked. [2024-10-24 12:59:20,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 12:59:20,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837605041] [2024-10-24 12:59:20,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837605041] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 12:59:20,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1190041761] [2024-10-24 12:59:20,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 12:59:20,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 12:59:20,858 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 12:59:20,860 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 12:59:20,861 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-24 12:59:21,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:21,435 INFO L255 TraceCheckSpWp]: Trace formula consists of 2508 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-10-24 12:59:21,445 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 12:59:21,563 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 194 proven. 1 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2024-10-24 12:59:21,563 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 12:59:21,883 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 457 trivial. 0 not checked. [2024-10-24 12:59:21,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1190041761] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 12:59:21,883 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 12:59:21,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8, 8] total 20 [2024-10-24 12:59:21,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661106891] [2024-10-24 12:59:21,884 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 12:59:21,885 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-10-24 12:59:21,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 12:59:21,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-10-24 12:59:21,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=316, Unknown=0, NotChecked=0, Total=380 [2024-10-24 12:59:21,886 INFO L87 Difference]: Start difference. First operand 156 states and 207 transitions. Second operand has 20 states, 18 states have (on average 4.666666666666667) internal successors, (84), 16 states have internal predecessors, (84), 6 states have call successors, (50), 6 states have call predecessors, (50), 6 states have return successors, (44), 6 states have call predecessors, (44), 6 states have call successors, (44) [2024-10-24 12:59:23,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 12:59:23,400 INFO L93 Difference]: Finished difference Result 324 states and 444 transitions. [2024-10-24 12:59:23,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-24 12:59:23,400 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 18 states have (on average 4.666666666666667) internal successors, (84), 16 states have internal predecessors, (84), 6 states have call successors, (50), 6 states have call predecessors, (50), 6 states have return successors, (44), 6 states have call predecessors, (44), 6 states have call successors, (44) Word has length 173 [2024-10-24 12:59:23,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 12:59:23,402 INFO L225 Difference]: With dead ends: 324 [2024-10-24 12:59:23,403 INFO L226 Difference]: Without dead ends: 214 [2024-10-24 12:59:23,407 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 426 GetRequests, 399 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=140, Invalid=672, Unknown=0, NotChecked=0, Total=812 [2024-10-24 12:59:23,408 INFO L432 NwaCegarLoop]: 166 mSDtfsCounter, 195 mSDsluCounter, 1149 mSDsCounter, 0 mSdLazyCounter, 1119 mSolverCounterSat, 167 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 1315 SdHoareTripleChecker+Invalid, 1286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 167 IncrementalHoareTripleChecker+Valid, 1119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-24 12:59:23,409 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [199 Valid, 1315 Invalid, 1286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [167 Valid, 1119 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-24 12:59:23,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2024-10-24 12:59:23,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 157. [2024-10-24 12:59:23,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 94 states have (on average 1.1808510638297873) internal successors, (111), 96 states have internal predecessors, (111), 48 states have call successors, (48), 13 states have call predecessors, (48), 14 states have return successors, (49), 47 states have call predecessors, (49), 47 states have call successors, (49) [2024-10-24 12:59:23,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 208 transitions. [2024-10-24 12:59:23,429 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 208 transitions. Word has length 173 [2024-10-24 12:59:23,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 12:59:23,429 INFO L471 AbstractCegarLoop]: Abstraction has 157 states and 208 transitions. [2024-10-24 12:59:23,430 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 18 states have (on average 4.666666666666667) internal successors, (84), 16 states have internal predecessors, (84), 6 states have call successors, (50), 6 states have call predecessors, (50), 6 states have return successors, (44), 6 states have call predecessors, (44), 6 states have call successors, (44) [2024-10-24 12:59:23,430 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 208 transitions. [2024-10-24 12:59:23,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-10-24 12:59:23,431 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 12:59:23,432 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 9, 3, 3, 3, 3, 3, 3, 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] [2024-10-24 12:59:23,456 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-24 12:59:23,634 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 12:59:23,635 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 12:59:23,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 12:59:23,635 INFO L85 PathProgramCache]: Analyzing trace with hash 1414972620, now seen corresponding path program 2 times [2024-10-24 12:59:23,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 12:59:23,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641757383] [2024-10-24 12:59:23,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 12:59:23,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 12:59:23,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:24,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 12:59:24,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:24,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 12:59:24,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:24,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 12:59:24,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:24,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 12:59:24,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:24,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-24 12:59:24,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:24,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 12:59:24,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:24,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 12:59:24,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:24,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 12:59:24,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:24,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 12:59:24,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:24,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 12:59:24,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:24,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-24 12:59:24,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:24,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-24 12:59:24,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:24,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 12:59:24,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:24,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 12:59:24,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:24,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 12:59:24,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:24,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 12:59:24,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:24,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-24 12:59:24,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:24,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-24 12:59:24,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:24,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-24 12:59:24,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:24,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-24 12:59:24,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:24,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-24 12:59:24,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:24,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 12:59:24,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:24,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 12:59:24,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:24,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-24 12:59:24,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:24,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-24 12:59:24,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:24,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 12:59:24,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:24,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-24 12:59:24,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:24,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-24 12:59:24,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:24,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 12:59:24,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:24,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-24 12:59:24,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:24,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 12:59:24,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:24,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 12:59:24,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:24,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 12:59:24,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:59:24,871 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 457 trivial. 0 not checked. [2024-10-24 12:59:24,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 12:59:24,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641757383] [2024-10-24 12:59:24,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641757383] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 12:59:24,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1183496929] [2024-10-24 12:59:24,872 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-24 12:59:24,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 12:59:24,872 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 12:59:24,874 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 12:59:24,875 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-24 12:59:25,971 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-24 12:59:25,972 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 12:59:25,986 INFO L255 TraceCheckSpWp]: Trace formula consists of 2527 conjuncts, 117 conjuncts are in the unsatisfiable core [2024-10-24 12:59:26,019 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 12:59:26,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-24 12:59:26,321 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 7 [2024-10-24 12:59:41,587 INFO L349 Elim1Store]: treesize reduction 168, result has 32.5 percent of original size [2024-10-24 12:59:41,587 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 146 treesize of output 292 [2024-10-24 12:59:42,828 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 52 proven. 30 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2024-10-24 12:59:42,829 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 12:59:48,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1183496929] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 12:59:48,115 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-24 12:59:48,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 26] total 37 [2024-10-24 12:59:48,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541712467] [2024-10-24 12:59:48,115 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-24 12:59:48,116 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-10-24 12:59:48,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 12:59:48,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-10-24 12:59:48,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=1536, Unknown=4, NotChecked=0, Total=1640 [2024-10-24 12:59:48,118 INFO L87 Difference]: Start difference. First operand 157 states and 208 transitions. Second operand has 37 states, 29 states have (on average 3.4482758620689653) internal successors, (100), 29 states have internal predecessors, (100), 14 states have call successors, (63), 8 states have call predecessors, (63), 6 states have return successors, (61), 11 states have call predecessors, (61), 13 states have call successors, (61) [2024-10-24 13:00:00,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:00:00,650 INFO L93 Difference]: Finished difference Result 339 states and 465 transitions. [2024-10-24 13:00:00,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-10-24 13:00:00,651 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 29 states have (on average 3.4482758620689653) internal successors, (100), 29 states have internal predecessors, (100), 14 states have call successors, (63), 8 states have call predecessors, (63), 6 states have return successors, (61), 11 states have call predecessors, (61), 13 states have call successors, (61) Word has length 174 [2024-10-24 13:00:00,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:00:00,653 INFO L225 Difference]: With dead ends: 339 [2024-10-24 13:00:00,653 INFO L226 Difference]: Without dead ends: 229 [2024-10-24 13:00:00,655 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 289 GetRequests, 219 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 961 ImplicationChecksByTransitivity, 25.7s TimeCoverageRelationStatistics Valid=339, Invalid=4768, Unknown=5, NotChecked=0, Total=5112 [2024-10-24 13:00:00,656 INFO L432 NwaCegarLoop]: 124 mSDtfsCounter, 194 mSDsluCounter, 2144 mSDsCounter, 0 mSdLazyCounter, 4402 mSolverCounterSat, 119 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 2268 SdHoareTripleChecker+Invalid, 4523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 119 IncrementalHoareTripleChecker+Valid, 4402 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2024-10-24 13:00:00,656 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 2268 Invalid, 4523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [119 Valid, 4402 Invalid, 2 Unknown, 0 Unchecked, 7.0s Time] [2024-10-24 13:00:00,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2024-10-24 13:00:00,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 177. [2024-10-24 13:00:00,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 110 states have (on average 1.190909090909091) internal successors, (131), 113 states have internal predecessors, (131), 49 states have call successors, (49), 14 states have call predecessors, (49), 17 states have return successors, (56), 49 states have call predecessors, (56), 48 states have call successors, (56) [2024-10-24 13:00:00,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 236 transitions. [2024-10-24 13:00:00,674 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 236 transitions. Word has length 174 [2024-10-24 13:00:00,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:00:00,675 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 236 transitions. [2024-10-24 13:00:00,675 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 29 states have (on average 3.4482758620689653) internal successors, (100), 29 states have internal predecessors, (100), 14 states have call successors, (63), 8 states have call predecessors, (63), 6 states have return successors, (61), 11 states have call predecessors, (61), 13 states have call successors, (61) [2024-10-24 13:00:00,675 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 236 transitions. [2024-10-24 13:00:00,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-10-24 13:00:00,678 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:00:00,678 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 9, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 13:00:00,706 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-24 13:00:00,879 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 13:00:00,879 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:00:00,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:00:00,880 INFO L85 PathProgramCache]: Analyzing trace with hash 1681716055, now seen corresponding path program 1 times [2024-10-24 13:00:00,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:00:00,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512891362] [2024-10-24 13:00:00,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:00:00,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:00:01,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:01,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:01,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:01,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:00:01,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:01,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:01,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:01,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 13:00:01,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:01,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-24 13:00:01,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:01,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 13:00:01,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:01,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 13:00:01,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:01,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 13:00:01,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:01,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 13:00:01,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:01,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 13:00:01,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:01,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-24 13:00:01,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:01,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-24 13:00:01,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:01,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:01,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:01,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 13:00:01,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:01,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 13:00:01,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:01,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:01,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:01,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-24 13:00:01,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:01,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-24 13:00:01,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:01,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-24 13:00:01,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:01,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-24 13:00:01,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:01,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-24 13:00:01,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:02,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:02,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:02,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:02,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:02,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-24 13:00:02,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:02,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-24 13:00:02,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:02,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-24 13:00:02,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:02,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-24 13:00:02,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:02,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-24 13:00:02,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:02,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:02,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:02,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 13:00:02,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:02,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 13:00:02,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:02,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:02,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:02,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:02,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:02,364 INFO L134 CoverageAnalysis]: Checked inductivity of 463 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 457 trivial. 0 not checked. [2024-10-24 13:00:02,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:00:02,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512891362] [2024-10-24 13:00:02,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512891362] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 13:00:02,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1230468816] [2024-10-24 13:00:02,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:00:02,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 13:00:02,365 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 13:00:02,366 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 13:00:02,367 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-24 13:00:03,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:03,031 INFO L255 TraceCheckSpWp]: Trace formula consists of 2546 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-10-24 13:00:03,037 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 13:00:03,221 INFO L134 CoverageAnalysis]: Checked inductivity of 463 backedges. 194 proven. 6 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2024-10-24 13:00:03,222 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 13:00:03,676 INFO L134 CoverageAnalysis]: Checked inductivity of 463 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 457 trivial. 0 not checked. [2024-10-24 13:00:03,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1230468816] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 13:00:03,676 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 13:00:03,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 10, 10] total 26 [2024-10-24 13:00:03,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193574300] [2024-10-24 13:00:03,677 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 13:00:03,677 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-10-24 13:00:03,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:00:03,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-10-24 13:00:03,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=558, Unknown=0, NotChecked=0, Total=650 [2024-10-24 13:00:03,678 INFO L87 Difference]: Start difference. First operand 177 states and 236 transitions. Second operand has 26 states, 24 states have (on average 3.75) internal successors, (90), 22 states have internal predecessors, (90), 6 states have call successors, (50), 6 states have call predecessors, (50), 6 states have return successors, (44), 6 states have call predecessors, (44), 6 states have call successors, (44) [2024-10-24 13:00:06,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:00:06,037 INFO L93 Difference]: Finished difference Result 354 states and 485 transitions. [2024-10-24 13:00:06,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-24 13:00:06,037 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 24 states have (on average 3.75) internal successors, (90), 22 states have internal predecessors, (90), 6 states have call successors, (50), 6 states have call predecessors, (50), 6 states have return successors, (44), 6 states have call predecessors, (44), 6 states have call successors, (44) Word has length 175 [2024-10-24 13:00:06,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:00:06,039 INFO L225 Difference]: With dead ends: 354 [2024-10-24 13:00:06,039 INFO L226 Difference]: Without dead ends: 225 [2024-10-24 13:00:06,040 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 434 GetRequests, 399 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 263 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=192, Invalid=1140, Unknown=0, NotChecked=0, Total=1332 [2024-10-24 13:00:06,041 INFO L432 NwaCegarLoop]: 166 mSDtfsCounter, 215 mSDsluCounter, 1939 mSDsCounter, 0 mSdLazyCounter, 1894 mSolverCounterSat, 172 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 2105 SdHoareTripleChecker+Invalid, 2066 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 172 IncrementalHoareTripleChecker+Valid, 1894 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-10-24 13:00:06,041 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [219 Valid, 2105 Invalid, 2066 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [172 Valid, 1894 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-10-24 13:00:06,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2024-10-24 13:00:06,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 178. [2024-10-24 13:00:06,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 111 states have (on average 1.1891891891891893) internal successors, (132), 114 states have internal predecessors, (132), 49 states have call successors, (49), 14 states have call predecessors, (49), 17 states have return successors, (56), 49 states have call predecessors, (56), 48 states have call successors, (56) [2024-10-24 13:00:06,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 237 transitions. [2024-10-24 13:00:06,059 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 237 transitions. Word has length 175 [2024-10-24 13:00:06,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:00:06,059 INFO L471 AbstractCegarLoop]: Abstraction has 178 states and 237 transitions. [2024-10-24 13:00:06,059 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 24 states have (on average 3.75) internal successors, (90), 22 states have internal predecessors, (90), 6 states have call successors, (50), 6 states have call predecessors, (50), 6 states have return successors, (44), 6 states have call predecessors, (44), 6 states have call successors, (44) [2024-10-24 13:00:06,060 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 237 transitions. [2024-10-24 13:00:06,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-10-24 13:00:06,061 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:00:06,061 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 9, 4, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 13:00:06,086 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-24 13:00:06,265 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 13:00:06,266 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:00:06,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:00:06,266 INFO L85 PathProgramCache]: Analyzing trace with hash -1954306324, now seen corresponding path program 2 times [2024-10-24 13:00:06,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:00:06,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434464255] [2024-10-24 13:00:06,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:00:06,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:00:06,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:07,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:07,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:07,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:00:07,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:07,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:00:07,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:07,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 13:00:07,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:07,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-24 13:00:07,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:07,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 13:00:07,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:07,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 13:00:07,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:07,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 13:00:07,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:07,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 13:00:07,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:07,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 13:00:07,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:07,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-24 13:00:07,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:07,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-24 13:00:07,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:07,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:07,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:07,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 13:00:07,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:07,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 13:00:07,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:07,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:07,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:07,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-24 13:00:07,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:07,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-24 13:00:07,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:07,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-24 13:00:07,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:07,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-24 13:00:07,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:07,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-24 13:00:07,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:07,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:07,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:07,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:07,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:07,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-24 13:00:07,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:07,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-24 13:00:07,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:07,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-24 13:00:07,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:07,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-24 13:00:07,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:07,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-24 13:00:07,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:07,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:07,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:07,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-24 13:00:07,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:07,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-24 13:00:07,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:07,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 13:00:07,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:07,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:00:07,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:00:07,728 INFO L134 CoverageAnalysis]: Checked inductivity of 467 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 457 trivial. 0 not checked. [2024-10-24 13:00:07,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:00:07,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434464255] [2024-10-24 13:00:07,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [434464255] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 13:00:07,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [963789417] [2024-10-24 13:00:07,729 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-24 13:00:07,729 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 13:00:07,729 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 13:00:07,731 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 13:00:07,733 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-24 13:00:08,585 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-24 13:00:08,585 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 13:00:08,598 INFO L255 TraceCheckSpWp]: Trace formula consists of 2565 conjuncts, 134 conjuncts are in the unsatisfiable core [2024-10-24 13:00:08,606 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 13:00:09,185 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-10-24 13:00:09,192 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 7