./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_array_eq_harness-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/aws-c-common/aws_array_eq_harness-1.i', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf', '--cacsl2boogietranslator.entry.function', 'main', '--witnessprinter.witness.directory', '/storage/repos/ultimate-jdk21/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())) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '64bit', '--witnessprinter.graph.data.programhash', '56930072253bb80620cfd5323053bdb4c7b4f32002f7dcce9e2ae892c8088a26'] Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_array_eq_harness-1.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 56930072253bb80620cfd5323053bdb4c7b4f32002f7dcce9e2ae892c8088a26 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 11:35:56,509 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 11:35:56,624 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-07 11:35:56,631 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 11:35:56,632 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 11:35:56,664 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 11:35:56,665 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 11:35:56,666 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 11:35:56,666 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 11:35:56,666 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 11:35:56,666 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 11:35:56,666 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 11:35:56,667 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 11:35:56,667 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 11:35:56,667 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 11:35:56,667 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 11:35:56,667 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 11:35:56,668 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 11:35:56,668 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 11:35:56,668 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 11:35:56,668 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 11:35:56,668 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 11:35:56,668 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 11:35:56,668 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 11:35:56,669 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 11:35:56,669 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 11:35:56,669 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 11:35:56,669 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 11:35:56,669 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 11:35:56,669 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 11:35:56,669 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 11:35:56,670 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 11:35:56,670 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 11:35:56,670 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 11:35:56,670 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 11:35:56,670 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 11:35:56,671 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 11:35:56,671 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 11:35:56,671 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 11:35:56,671 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/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 -> 56930072253bb80620cfd5323053bdb4c7b4f32002f7dcce9e2ae892c8088a26 [2024-11-07 11:35:57,079 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 11:35:57,085 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 11:35:57,087 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 11:35:57,089 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 11:35:57,090 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 11:35:57,090 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_array_eq_harness-1.i [2024-11-07 11:35:58,327 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 11:35:58,800 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 11:35:58,801 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_eq_harness-1.i [2024-11-07 11:35:58,839 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f0385fb9b/a3fdbd9eb26a4e619b2b95db6efffd17/FLAG01e5c759f [2024-11-07 11:35:58,860 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f0385fb9b/a3fdbd9eb26a4e619b2b95db6efffd17 [2024-11-07 11:35:58,864 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 11:35:58,865 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 11:35:58,867 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 11:35:58,867 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 11:35:58,870 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 11:35:58,870 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:35:58" (1/1) ... [2024-11-07 11:35:58,871 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38b7f859 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:35:58, skipping insertion in model container [2024-11-07 11:35:58,871 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:35:58" (1/1) ... [2024-11-07 11:35:58,951 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 11:35:59,151 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_eq_harness-1.i[4486,4499] [2024-11-07 11:35:59,160 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_eq_harness-1.i[4546,4559] [2024-11-07 11:35:59,713 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:35:59,714 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:35:59,714 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:35:59,717 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:35:59,718 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:35:59,736 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:35:59,739 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:35:59,742 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:35:59,743 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:36:00,307 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:36:00,307 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:36:00,387 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 11:36:00,451 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 11:36:00,465 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_eq_harness-1.i[4486,4499] [2024-11-07 11:36:00,466 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_eq_harness-1.i[4546,4559] [2024-11-07 11:36:00,509 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:36:00,510 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:36:00,511 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:36:00,511 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:36:00,511 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:36:00,519 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:36:00,519 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:36:00,519 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:36:00,520 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:36:00,683 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8277] [2024-11-07 11:36:00,684 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:36:00,685 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:36:00,697 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8763-8774] [2024-11-07 11:36:00,714 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 11:36:00,917 INFO L204 MainTranslator]: Completed translation [2024-11-07 11:36:00,918 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:36:00 WrapperNode [2024-11-07 11:36:00,919 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 11:36:00,920 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 11:36:00,920 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 11:36:00,920 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 11:36:00,925 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:36:00" (1/1) ... [2024-11-07 11:36:01,023 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:36:00" (1/1) ... [2024-11-07 11:36:01,107 INFO L138 Inliner]: procedures = 680, calls = 2610, calls flagged for inlining = 59, calls inlined = 5, statements flattened = 791 [2024-11-07 11:36:01,107 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 11:36:01,108 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 11:36:01,108 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 11:36:01,108 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 11:36:01,126 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:36:00" (1/1) ... [2024-11-07 11:36:01,126 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:36:00" (1/1) ... [2024-11-07 11:36:01,133 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:36:00" (1/1) ... [2024-11-07 11:36:01,210 INFO L175 MemorySlicer]: Split 512 memory accesses to 6 slices as follows [2, 257, 4, 238, 6, 5]. 50 percent of accesses are in the largest equivalence class. The 13 initializations are split as follows [2, 0, 0, 6, 0, 5]. The 491 writes are split as follows [0, 257, 0, 232, 2, 0]. [2024-11-07 11:36:01,210 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:36:00" (1/1) ... [2024-11-07 11:36:01,210 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:36:00" (1/1) ... [2024-11-07 11:36:01,250 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:36:00" (1/1) ... [2024-11-07 11:36:01,253 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:36:00" (1/1) ... [2024-11-07 11:36:01,259 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:36:00" (1/1) ... [2024-11-07 11:36:01,267 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:36:00" (1/1) ... [2024-11-07 11:36:01,283 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 11:36:01,286 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 11:36:01,286 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 11:36:01,287 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 11:36:01,288 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:36:00" (1/1) ... [2024-11-07 11:36:01,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 11:36:01,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 11:36:01,323 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-07 11:36:01,328 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-07 11:36:01,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 11:36:01,355 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-07 11:36:01,356 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-07 11:36:01,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-07 11:36:01,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-07 11:36:01,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-07 11:36:01,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-07 11:36:01,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-07 11:36:01,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-07 11:36:01,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-07 11:36:01,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-07 11:36:01,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-07 11:36:01,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-07 11:36:01,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-07 11:36:01,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-07 11:36:01,358 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-07 11:36:01,358 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-07 11:36:01,358 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-07 11:36:01,358 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 11:36:01,358 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2024-11-07 11:36:01,358 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2024-11-07 11:36:01,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 11:36:01,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 11:36:01,360 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-07 11:36:01,360 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-07 11:36:01,360 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-07 11:36:01,360 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-07 11:36:01,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-07 11:36:01,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-07 11:36:01,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-07 11:36:01,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-07 11:36:01,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-07 11:36:01,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-07 11:36:01,361 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-07 11:36:01,361 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-07 11:36:01,361 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 11:36:01,361 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 11:36:01,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-07 11:36:01,361 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq [2024-11-07 11:36:01,361 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq [2024-11-07 11:36:01,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-07 11:36:01,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-07 11:36:01,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-07 11:36:01,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-07 11:36:01,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-07 11:36:01,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-07 11:36:01,361 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-07 11:36:01,361 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-07 11:36:01,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-07 11:36:01,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-07 11:36:01,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-07 11:36:01,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-07 11:36:01,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-07 11:36:01,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-07 11:36:01,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 11:36:01,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-07 11:36:01,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-07 11:36:01,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-07 11:36:01,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-07 11:36:01,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-07 11:36:01,654 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 11:36:01,656 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 11:36:09,671 INFO L? ?]: Removed 57 outVars from TransFormulas that were not future-live. [2024-11-07 11:36:09,673 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 11:36:09,686 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 11:36:09,689 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-07 11:36:09,689 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:36:09 BoogieIcfgContainer [2024-11-07 11:36:09,689 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 11:36:09,691 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 11:36:09,691 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 11:36:09,699 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 11:36:09,699 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 11:35:58" (1/3) ... [2024-11-07 11:36:09,700 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60575ff1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:36:09, skipping insertion in model container [2024-11-07 11:36:09,700 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:36:00" (2/3) ... [2024-11-07 11:36:09,700 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60575ff1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:36:09, skipping insertion in model container [2024-11-07 11:36:09,700 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:36:09" (3/3) ... [2024-11-07 11:36:09,701 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_eq_harness-1.i [2024-11-07 11:36:09,716 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 11:36:09,716 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 11:36:09,768 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 11:36:09,778 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;@535742fb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 11:36:09,778 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 11:36:09,782 INFO L276 IsEmpty]: Start isEmpty. Operand has 87 states, 52 states have (on average 1.2692307692307692) internal successors, (66), 55 states have internal predecessors, (66), 24 states have call successors, (24), 9 states have call predecessors, (24), 9 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-07 11:36:09,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-07 11:36:09,791 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 11:36:09,792 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2024-11-07 11:36:09,792 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 11:36:09,797 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 11:36:09,797 INFO L85 PathProgramCache]: Analyzing trace with hash 873465649, now seen corresponding path program 1 times [2024-11-07 11:36:09,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 11:36:09,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371575505] [2024-11-07 11:36:09,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:36:09,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 11:37:19,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:37:20,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 11:37:20,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:37:20,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 11:37:20,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:37:20,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 11:37:20,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:37:20,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-07 11:37:20,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:37:20,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-07 11:37:20,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:37:20,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-07 11:37:20,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:37:20,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 11:37:20,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:37:20,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-07 11:37:20,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:37:20,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 11:37:20,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:37:20,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 11:37:20,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:37:20,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 11:37:20,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:37:20,413 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-11-07 11:37:20,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 11:37:20,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371575505] [2024-11-07 11:37:20,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [371575505] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 11:37:20,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 11:37:20,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 11:37:20,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249977716] [2024-11-07 11:37:20,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 11:37:20,420 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 11:37:20,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 11:37:20,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 11:37:20,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 11:37:20,443 INFO L87 Difference]: Start difference. First operand has 87 states, 52 states have (on average 1.2692307692307692) internal successors, (66), 55 states have internal predecessors, (66), 24 states have call successors, (24), 9 states have call predecessors, (24), 9 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (12), 4 states have call predecessors, (12), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-07 11:37:24,641 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 11:37:27,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 11:37:27,172 INFO L93 Difference]: Finished difference Result 176 states and 252 transitions. [2024-11-07 11:37:27,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 11:37:27,174 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (12), 4 states have call predecessors, (12), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 65 [2024-11-07 11:37:27,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 11:37:27,181 INFO L225 Difference]: With dead ends: 176 [2024-11-07 11:37:27,181 INFO L226 Difference]: Without dead ends: 87 [2024-11-07 11:37:27,187 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 11:37:27,190 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 75 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 58 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2024-11-07 11:37:27,192 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 109 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 101 Invalid, 1 Unknown, 0 Unchecked, 6.4s Time] [2024-11-07 11:37:27,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2024-11-07 11:37:27,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 82. [2024-11-07 11:37:27,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 48 states have (on average 1.2291666666666667) internal successors, (59), 50 states have internal predecessors, (59), 24 states have call successors, (24), 9 states have call predecessors, (24), 9 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-07 11:37:27,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 106 transitions. [2024-11-07 11:37:27,239 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 106 transitions. Word has length 65 [2024-11-07 11:37:27,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 11:37:27,240 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 106 transitions. [2024-11-07 11:37:27,240 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (12), 4 states have call predecessors, (12), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-07 11:37:27,240 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 106 transitions. [2024-11-07 11:37:27,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-07 11:37:27,242 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 11:37:27,242 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2024-11-07 11:37:27,243 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 11:37:27,243 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 11:37:27,243 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 11:37:27,243 INFO L85 PathProgramCache]: Analyzing trace with hash 200125107, now seen corresponding path program 1 times [2024-11-07 11:37:27,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 11:37:27,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643887711] [2024-11-07 11:37:27,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:37:27,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms