./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_array_list_capacity_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fca748b1 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_array_list_capacity_harness_negated.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 782de24019eece20387c3cd6e967e9eaef1d40fd6eb1a7b72eb8f6c4f97205cc --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 09:50:21,433 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 09:50:21,516 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-20 09:50:21,530 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 09:50:21,531 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 09:50:21,569 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 09:50:21,569 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 09:50:21,570 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 09:50:21,570 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 09:50:21,570 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 09:50:21,571 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 09:50:21,571 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 09:50:21,571 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 09:50:21,572 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 09:50:21,572 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 09:50:21,572 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 09:50:21,573 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 09:50:21,573 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 09:50:21,573 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 09:50:21,573 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 09:50:21,574 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 09:50:21,574 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 09:50:21,574 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 09:50:21,574 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 09:50:21,575 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 09:50:21,575 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 09:50:21,575 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 09:50:21,575 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 09:50:21,576 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 09:50:21,576 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 09:50:21,576 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 09:50:21,576 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 09:50:21,576 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 09:50:21,577 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 09:50:21,577 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 09:50:21,577 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 09:50:21,577 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 09:50:21,577 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 09:50:21,578 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 09:50:21,578 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 782de24019eece20387c3cd6e967e9eaef1d40fd6eb1a7b72eb8f6c4f97205cc [2024-11-20 09:50:21,800 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 09:50:21,825 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 09:50:21,827 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 09:50:21,829 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 09:50:21,829 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 09:50:21,830 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_capacity_harness_negated.i [2024-11-20 09:50:23,282 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 09:50:23,669 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 09:50:23,670 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_capacity_harness_negated.i [2024-11-20 09:50:23,709 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be11649d8/c6497d8abb214b56984a7f082cea358f/FLAG0fe670153 [2024-11-20 09:50:23,726 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be11649d8/c6497d8abb214b56984a7f082cea358f [2024-11-20 09:50:23,730 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 09:50:23,731 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 09:50:23,734 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 09:50:23,734 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 09:50:23,739 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 09:50:23,740 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:50:23" (1/1) ... [2024-11-20 09:50:23,741 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15b2c01c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:50:23, skipping insertion in model container [2024-11-20 09:50:23,741 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:50:23" (1/1) ... [2024-11-20 09:50:23,817 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 09:50:24,048 WARN L250 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_array_list_capacity_harness_negated.i[4497,4510] [2024-11-20 09:50:24,056 WARN L250 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_array_list_capacity_harness_negated.i[4557,4570] [2024-11-20 09:50:24,697 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:50:24,698 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:50:24,698 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:50:24,699 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:50:24,699 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:50:24,709 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:50:24,709 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:50:24,711 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:50:24,711 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:50:24,715 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:50:24,716 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:50:24,716 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:50:24,717 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:50:25,121 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:50:25,133 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:50:25,188 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 09:50:25,229 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 09:50:25,242 WARN L250 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_array_list_capacity_harness_negated.i[4497,4510] [2024-11-20 09:50:25,245 WARN L250 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_array_list_capacity_harness_negated.i[4557,4570] [2024-11-20 09:50:25,310 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:50:25,311 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:50:25,311 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:50:25,312 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:50:25,312 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:50:25,317 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:50:25,318 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:50:25,319 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:50:25,319 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:50:25,320 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:50:25,320 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:50:25,320 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:50:25,320 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:50:25,384 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:50:25,392 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:50:25,401 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7715-7726] [2024-11-20 09:50:25,422 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 09:50:25,602 INFO L204 MainTranslator]: Completed translation [2024-11-20 09:50:25,603 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:50:25 WrapperNode [2024-11-20 09:50:25,603 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 09:50:25,604 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 09:50:25,604 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 09:50:25,604 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 09:50:25,609 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:50:25" (1/1) ... [2024-11-20 09:50:25,672 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:50:25" (1/1) ... [2024-11-20 09:50:25,740 INFO L138 Inliner]: procedures = 679, calls = 1682, calls flagged for inlining = 53, calls inlined = 9, statements flattened = 617 [2024-11-20 09:50:25,740 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 09:50:25,741 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 09:50:25,743 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 09:50:25,743 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 09:50:25,756 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:50:25" (1/1) ... [2024-11-20 09:50:25,756 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:50:25" (1/1) ... [2024-11-20 09:50:25,764 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:50:25" (1/1) ... [2024-11-20 09:50:25,833 INFO L175 MemorySlicer]: Split 306 memory accesses to 6 slices as follows [2, 238, 50, 7, 3, 6]. 78 percent of accesses are in the largest equivalence class. The 24 initializations are split as follows [2, 6, 10, 5, 1, 0]. The 238 writes are split as follows [0, 232, 3, 0, 1, 2]. [2024-11-20 09:50:25,834 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:50:25" (1/1) ... [2024-11-20 09:50:25,834 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:50:25" (1/1) ... [2024-11-20 09:50:25,871 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:50:25" (1/1) ... [2024-11-20 09:50:25,877 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:50:25" (1/1) ... [2024-11-20 09:50:25,887 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:50:25" (1/1) ... [2024-11-20 09:50:25,895 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:50:25" (1/1) ... [2024-11-20 09:50:25,911 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 09:50:25,916 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 09:50:25,916 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 09:50:25,916 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 09:50:25,917 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:50:25" (1/1) ... [2024-11-20 09:50:25,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 09:50:25,946 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 09:50:25,966 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) [2024-11-20 09:50:25,976 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 [2024-11-20 09:50:26,019 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-20 09:50:26,019 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-20 09:50:26,019 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-20 09:50:26,019 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-20 09:50:26,020 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-20 09:50:26,020 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-20 09:50:26,020 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-20 09:50:26,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-20 09:50:26,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-20 09:50:26,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-20 09:50:26,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-20 09:50:26,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-20 09:50:26,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-20 09:50:26,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-20 09:50:26,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-20 09:50:26,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-20 09:50:26,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-20 09:50:26,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-20 09:50:26,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-20 09:50:26,022 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-20 09:50:26,022 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-20 09:50:26,022 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-20 09:50:26,022 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-20 09:50:26,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-20 09:50:26,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 09:50:26,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-20 09:50:26,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-20 09:50:26,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-20 09:50:26,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-20 09:50:26,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-20 09:50:26,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-20 09:50:26,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 09:50:26,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 09:50:26,023 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-20 09:50:26,023 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-20 09:50:26,024 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-20 09:50:26,064 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-20 09:50:26,064 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-20 09:50:26,064 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-20 09:50:26,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-20 09:50:26,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-20 09:50:26,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-20 09:50:26,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-20 09:50:26,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-20 09:50:26,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-20 09:50:26,064 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 09:50:26,064 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 09:50:26,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-20 09:50:26,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-20 09:50:26,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-20 09:50:26,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-20 09:50:26,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-20 09:50:26,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-20 09:50:26,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-20 09:50:26,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-20 09:50:26,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-20 09:50:26,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-20 09:50:26,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-20 09:50:26,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-20 09:50:26,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-20 09:50:26,065 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-20 09:50:26,065 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-20 09:50:26,066 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-20 09:50:26,066 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-20 09:50:26,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-20 09:50:26,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-20 09:50:26,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-20 09:50:26,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-20 09:50:26,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-20 09:50:26,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-20 09:50:26,066 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-11-20 09:50:26,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-11-20 09:50:26,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 09:50:26,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-20 09:50:26,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-20 09:50:26,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-20 09:50:26,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-20 09:50:26,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-20 09:50:26,428 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 09:50:26,431 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 09:50:31,810 INFO L? ?]: Removed 107 outVars from TransFormulas that were not future-live. [2024-11-20 09:50:31,810 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 09:50:31,822 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 09:50:31,822 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-20 09:50:31,822 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:50:31 BoogieIcfgContainer [2024-11-20 09:50:31,823 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 09:50:31,824 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 09:50:31,824 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 09:50:31,827 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 09:50:31,827 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:50:23" (1/3) ... [2024-11-20 09:50:31,828 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20da1f8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:50:31, skipping insertion in model container [2024-11-20 09:50:31,828 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:50:25" (2/3) ... [2024-11-20 09:50:31,828 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20da1f8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:50:31, skipping insertion in model container [2024-11-20 09:50:31,828 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:50:31" (3/3) ... [2024-11-20 09:50:31,829 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_capacity_harness_negated.i [2024-11-20 09:50:31,842 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 09:50:31,842 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 09:50:31,895 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 09:50:31,900 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;@27d72032, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 09:50:31,901 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 09:50:31,907 INFO L276 IsEmpty]: Start isEmpty. Operand has 122 states, 77 states have (on average 1.1948051948051948) internal successors, (92), 78 states have internal predecessors, (92), 31 states have call successors, (31), 12 states have call predecessors, (31), 12 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-20 09:50:31,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-20 09:50:31,918 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 09:50:31,919 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2024-11-20 09:50:31,920 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 09:50:31,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 09:50:31,926 INFO L85 PathProgramCache]: Analyzing trace with hash 910857471, now seen corresponding path program 1 times [2024-11-20 09:50:31,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 09:50:31,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015674281] [2024-11-20 09:50:31,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 09:50:31,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 09:50:36,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:50:37,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 09:50:37,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:50:37,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 09:50:37,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:50:37,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-20 09:50:37,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:50:37,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-20 09:50:37,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:50:37,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-20 09:50:37,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:50:37,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 09:50:37,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:50:37,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 09:50:37,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:50:37,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-20 09:50:37,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:50:37,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-20 09:50:37,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:50:37,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 09:50:37,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:50:37,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 09:50:37,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:50:37,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 09:50:37,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:50:37,801 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-20 09:50:37,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 09:50:37,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015674281] [2024-11-20 09:50:37,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1015674281] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 09:50:37,805 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 09:50:37,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 09:50:37,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476541456] [2024-11-20 09:50:37,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 09:50:37,811 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 09:50:37,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 09:50:37,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 09:50:37,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 09:50:37,835 INFO L87 Difference]: Start difference. First operand has 122 states, 77 states have (on average 1.1948051948051948) internal successors, (92), 78 states have internal predecessors, (92), 31 states have call successors, (31), 12 states have call predecessors, (31), 12 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-20 09:50:41,912 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-20 09:50:46,330 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.42s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-20 09:50:50,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 09:50:50,142 INFO L93 Difference]: Finished difference Result 241 states and 327 transitions. [2024-11-20 09:50:50,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 09:50:50,144 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 74 [2024-11-20 09:50:50,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 09:50:50,152 INFO L225 Difference]: With dead ends: 241 [2024-11-20 09:50:50,152 INFO L226 Difference]: Without dead ends: 121 [2024-11-20 09:50:50,156 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 09:50:50,159 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 75 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 73 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.5s IncrementalHoareTripleChecker+Time [2024-11-20 09:50:50,167 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 148 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 161 Invalid, 2 Unknown, 0 Unchecked, 11.5s Time] [2024-11-20 09:50:50,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-11-20 09:50:50,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 117. [2024-11-20 09:50:50,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 73 states have (on average 1.178082191780822) internal successors, (86), 74 states have internal predecessors, (86), 31 states have call successors, (31), 12 states have call predecessors, (31), 12 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-20 09:50:50,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 147 transitions. [2024-11-20 09:50:50,236 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 147 transitions. Word has length 74 [2024-11-20 09:50:50,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 09:50:50,236 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 147 transitions. [2024-11-20 09:50:50,236 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-20 09:50:50,237 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 147 transitions. [2024-11-20 09:50:50,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-20 09:50:50,239 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 09:50:50,239 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2024-11-20 09:50:50,240 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 09:50:50,240 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 09:50:50,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 09:50:50,241 INFO L85 PathProgramCache]: Analyzing trace with hash -1255854409, now seen corresponding path program 1 times [2024-11-20 09:50:50,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 09:50:50,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354614645] [2024-11-20 09:50:50,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 09:50:50,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 09:50:54,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:50:55,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 09:50:55,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:50:55,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 09:50:55,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:50:55,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-20 09:50:55,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:50:55,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-20 09:50:55,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:50:55,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-20 09:50:55,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:50:56,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 09:50:56,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:50:56,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 09:50:56,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:50:56,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-20 09:50:56,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:50:56,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-20 09:50:56,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:50:56,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 09:50:56,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:50:56,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 09:50:56,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:50:56,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 09:50:56,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:50:56,553 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-20 09:50:56,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 09:50:56,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354614645] [2024-11-20 09:50:56,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1354614645] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 09:50:56,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1162193961] [2024-11-20 09:50:56,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 09:50:56,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 09:50:56,555 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 09:50:56,558 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) [2024-11-20 09:50:56,559 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-20 09:51:01,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:01,264 INFO L255 TraceCheckSpWp]: Trace formula consists of 4068 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-20 09:51:01,275 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 09:51:02,331 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-20 09:51:02,332 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 09:51:02,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1162193961] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 09:51:02,332 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 09:51:02,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11 [2024-11-20 09:51:02,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342735159] [2024-11-20 09:51:02,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 09:51:02,334 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 09:51:02,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 09:51:02,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 09:51:02,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-20 09:51:02,336 INFO L87 Difference]: Start difference. First operand 117 states and 147 transitions. Second operand has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-20 09:51:04,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 09:51:04,673 INFO L93 Difference]: Finished difference Result 199 states and 254 transitions. [2024-11-20 09:51:04,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 09:51:04,674 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 74 [2024-11-20 09:51:04,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 09:51:04,676 INFO L225 Difference]: With dead ends: 199 [2024-11-20 09:51:04,677 INFO L226 Difference]: Without dead ends: 119 [2024-11-20 09:51:04,678 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-11-20 09:51:04,679 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 158 mSDsluCounter, 302 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-20 09:51:04,679 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 414 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-20 09:51:04,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2024-11-20 09:51:04,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2024-11-20 09:51:04,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 74 states have (on average 1.1756756756756757) internal successors, (87), 76 states have internal predecessors, (87), 31 states have call successors, (31), 12 states have call predecessors, (31), 13 states have return successors, (32), 30 states have call predecessors, (32), 30 states have call successors, (32) [2024-11-20 09:51:04,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 150 transitions. [2024-11-20 09:51:04,703 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 150 transitions. Word has length 74 [2024-11-20 09:51:04,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 09:51:04,704 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 150 transitions. [2024-11-20 09:51:04,706 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-20 09:51:04,706 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 150 transitions. [2024-11-20 09:51:04,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-20 09:51:04,708 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 09:51:04,708 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2024-11-20 09:51:04,730 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-20 09:51:04,914 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 09:51:04,915 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 09:51:04,916 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 09:51:04,916 INFO L85 PathProgramCache]: Analyzing trace with hash 621387583, now seen corresponding path program 1 times [2024-11-20 09:51:04,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 09:51:04,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966735738] [2024-11-20 09:51:04,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 09:51:04,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 09:51:09,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:10,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 09:51:10,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:10,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 09:51:10,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:10,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-20 09:51:10,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:10,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-20 09:51:10,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:10,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-20 09:51:10,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:10,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 09:51:10,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:11,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 09:51:11,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:11,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 09:51:11,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:11,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 09:51:11,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:11,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-20 09:51:11,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:11,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-20 09:51:11,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:11,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-20 09:51:11,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:11,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-20 09:51:11,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:11,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-20 09:51:11,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:11,749 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-20 09:51:11,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 09:51:11,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966735738] [2024-11-20 09:51:11,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [966735738] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 09:51:11,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1804870905] [2024-11-20 09:51:11,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 09:51:11,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 09:51:11,751 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 09:51:11,755 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) [2024-11-20 09:51:11,757 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-20 09:51:16,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:51:16,498 INFO L255 TraceCheckSpWp]: Trace formula consists of 4195 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-20 09:51:16,504 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 09:51:18,272 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-11-20 09:51:18,273 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 09:51:18,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1804870905] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 09:51:18,273 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 09:51:18,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2024-11-20 09:51:18,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508650500] [2024-11-20 09:51:18,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 09:51:18,274 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 09:51:18,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 09:51:18,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 09:51:18,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2024-11-20 09:51:18,276 INFO L87 Difference]: Start difference. First operand 119 states and 150 transitions. Second operand has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 4 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2024-11-20 09:51:21,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 09:51:21,331 INFO L93 Difference]: Finished difference Result 189 states and 236 transitions. [2024-11-20 09:51:21,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-20 09:51:21,332 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 4 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) Word has length 89 [2024-11-20 09:51:21,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 09:51:21,333 INFO L225 Difference]: With dead ends: 189 [2024-11-20 09:51:21,333 INFO L226 Difference]: Without dead ends: 117 [2024-11-20 09:51:21,334 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=51, Invalid=255, Unknown=0, NotChecked=0, Total=306 [2024-11-20 09:51:21,335 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 157 mSDsluCounter, 408 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 519 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-20 09:51:21,335 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 519 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-20 09:51:21,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2024-11-20 09:51:21,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2024-11-20 09:51:21,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 73 states have (on average 1.1643835616438356) internal successors, (85), 74 states have internal predecessors, (85), 31 states have call successors, (31), 12 states have call predecessors, (31), 12 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-20 09:51:21,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 146 transitions. [2024-11-20 09:51:21,361 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 146 transitions. Word has length 89 [2024-11-20 09:51:21,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 09:51:21,362 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 146 transitions. [2024-11-20 09:51:21,362 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 4 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2024-11-20 09:51:21,362 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 146 transitions. [2024-11-20 09:51:21,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-20 09:51:21,368 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 09:51:21,368 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-20 09:51:21,387 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-20 09:51:21,568 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,SelfDestructingSolverStorable2 [2024-11-20 09:51:21,569 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 09:51:21,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 09:51:21,570 INFO L85 PathProgramCache]: Analyzing trace with hash -994577873, now seen corresponding path program 1 times [2024-11-20 09:51:21,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 09:51:21,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696723535] [2024-11-20 09:51:21,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 09:51:21,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 09:51:29,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 09:51:29,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1512097466] [2024-11-20 09:51:29,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 09:51:29,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 09:51:29,701 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 09:51:29,703 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) [2024-11-20 09:51:29,709 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process