/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_pthread_mutex_unlock.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 11:34:10,822 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 11:34:10,825 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 11:34:10,866 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 11:34:10,867 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 11:34:10,868 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 11:34:10,870 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 11:34:10,872 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 11:34:10,874 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 11:34:10,875 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 11:34:10,876 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 11:34:10,878 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 11:34:10,878 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 11:34:10,879 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 11:34:10,881 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 11:34:10,882 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 11:34:10,883 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 11:34:10,884 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 11:34:10,886 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 11:34:10,888 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 11:34:10,890 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 11:34:10,891 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 11:34:10,892 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 11:34:10,893 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 11:34:10,898 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 11:34:10,915 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 11:34:10,917 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 11:34:10,917 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 11:34:10,922 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 11:34:10,971 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 11:34:10,971 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 11:34:10,972 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 11:34:10,972 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 11:34:10,974 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 11:34:10,974 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 11:34:10,976 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 11:34:10,976 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 11:34:10,977 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 11:34:10,977 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 11:34:10,978 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 11:34:10,978 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 11:34:10,978 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 11:34:10,979 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 11:34:10,979 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 11:34:10,979 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 11:34:10,979 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 11:34:10,979 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 11:34:10,979 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 11:34:10,980 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 11:34:10,980 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 11:34:10,980 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 11:34:10,980 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 11:34:10,980 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 11:34:10,981 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 11:34:10,981 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 11:34:10,981 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 11:34:10,981 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 11:34:10,981 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 11:34:10,982 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 11:34:10,982 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 11:34:10,982 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 11:34:10,982 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 11:34:10,983 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 11:34:11,365 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 11:34:11,389 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 11:34:11,393 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 11:34:11,394 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 11:34:11,395 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 11:34:11,396 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_pthread_mutex_unlock.i [2022-10-16 11:34:11,465 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3dc2afb59/638d9f594d6b4785973949c7d75d13ea/FLAGd8a34a813 [2022-10-16 11:34:12,348 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 11:34:12,349 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_pthread_mutex_unlock.i [2022-10-16 11:34:12,388 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3dc2afb59/638d9f594d6b4785973949c7d75d13ea/FLAGd8a34a813 [2022-10-16 11:34:12,456 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3dc2afb59/638d9f594d6b4785973949c7d75d13ea [2022-10-16 11:34:12,459 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 11:34:12,465 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 11:34:12,467 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 11:34:12,467 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 11:34:12,471 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 11:34:12,472 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 11:34:12" (1/1) ... [2022-10-16 11:34:12,473 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79812a8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:34:12, skipping insertion in model container [2022-10-16 11:34:12,473 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 11:34:12" (1/1) ... [2022-10-16 11:34:12,481 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 11:34:12,560 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 11:34:12,763 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_pthread_mutex_unlock.i[472,485] [2022-10-16 11:34:14,639 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 11:34:14,677 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 11:34:14,691 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_pthread_mutex_unlock.i[472,485] [2022-10-16 11:34:14,940 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 11:34:15,153 INFO L208 MainTranslator]: Completed translation [2022-10-16 11:34:15,153 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:34:15 WrapperNode [2022-10-16 11:34:15,154 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 11:34:15,155 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 11:34:15,155 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 11:34:15,155 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 11:34:15,163 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:34:15" (1/1) ... [2022-10-16 11:34:15,270 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:34:15" (1/1) ... [2022-10-16 11:34:15,351 INFO L138 Inliner]: procedures = 474, calls = 840, calls flagged for inlining = 54, calls inlined = 37, statements flattened = 1025 [2022-10-16 11:34:15,352 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 11:34:15,353 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 11:34:15,353 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 11:34:15,353 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 11:34:15,364 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:34:15" (1/1) ... [2022-10-16 11:34:15,364 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:34:15" (1/1) ... [2022-10-16 11:34:15,375 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:34:15" (1/1) ... [2022-10-16 11:34:15,376 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:34:15" (1/1) ... [2022-10-16 11:34:15,430 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:34:15" (1/1) ... [2022-10-16 11:34:15,440 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:34:15" (1/1) ... [2022-10-16 11:34:15,451 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:34:15" (1/1) ... [2022-10-16 11:34:15,499 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:34:15" (1/1) ... [2022-10-16 11:34:15,527 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 11:34:15,530 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 11:34:15,530 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 11:34:15,530 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 11:34:15,531 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:34:15" (1/1) ... [2022-10-16 11:34:15,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 11:34:15,562 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 11:34:15,586 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 11:34:15,609 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 11:34:15,670 INFO L130 BoogieDeclarations]: Found specification of procedure zf_timer_off [2022-10-16 11:34:15,671 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_timer_off [2022-10-16 11:34:15,671 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-10-16 11:34:15,671 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_begin [2022-10-16 11:34:15,672 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-10-16 11:34:15,672 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-10-16 11:34:15,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-16 11:34:15,672 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-10-16 11:34:15,672 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-10-16 11:34:15,673 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-10-16 11:34:15,673 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_end [2022-10-16 11:34:15,673 INFO L130 BoogieDeclarations]: Found specification of procedure zf_get_control [2022-10-16 11:34:15,673 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_get_control [2022-10-16 11:34:15,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-16 11:34:15,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-16 11:34:15,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-16 11:34:15,674 INFO L130 BoogieDeclarations]: Found specification of procedure request_region [2022-10-16 11:34:15,674 INFO L138 BoogieDeclarations]: Found implementation of procedure request_region [2022-10-16 11:34:15,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 11:34:15,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-16 11:34:15,674 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-10-16 11:34:15,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-10-16 11:34:15,675 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irqsave [2022-10-16 11:34:15,675 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irqsave [2022-10-16 11:34:15,675 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-10-16 11:34:15,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-10-16 11:34:15,675 INFO L130 BoogieDeclarations]: Found specification of procedure release_region [2022-10-16 11:34:15,676 INFO L138 BoogieDeclarations]: Found implementation of procedure release_region [2022-10-16 11:34:15,676 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 11:34:15,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 11:34:15,676 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_init [2022-10-16 11:34:15,676 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_init [2022-10-16 11:34:15,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-16 11:34:15,677 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-16 11:34:15,677 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-16 11:34:15,677 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-10-16 11:34:15,677 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-10-16 11:34:15,677 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-16 11:34:15,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-16 11:34:15,678 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-10-16 11:34:15,678 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-10-16 11:34:15,678 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2022-10-16 11:34:15,678 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2022-10-16 11:34:15,678 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-10-16 11:34:15,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-10-16 11:34:15,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-16 11:34:15,679 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2022-10-16 11:34:15,679 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2022-10-16 11:34:15,679 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2022-10-16 11:34:15,680 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2022-10-16 11:34:15,681 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-10-16 11:34:15,681 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-10-16 11:34:15,681 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2022-10-16 11:34:15,681 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2022-10-16 11:34:15,681 INFO L130 BoogieDeclarations]: Found specification of procedure assert_context_process [2022-10-16 11:34:15,682 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_context_process [2022-10-16 11:34:15,682 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_control [2022-10-16 11:34:15,682 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_control [2022-10-16 11:34:15,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-16 11:34:15,683 INFO L130 BoogieDeclarations]: Found specification of procedure zf_readw [2022-10-16 11:34:15,683 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_readw [2022-10-16 11:34:15,684 INFO L130 BoogieDeclarations]: Found specification of procedure zf_ping [2022-10-16 11:34:15,684 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_ping [2022-10-16 11:34:15,684 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2022-10-16 11:34:15,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2022-10-16 11:34:15,685 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-10-16 11:34:15,685 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-10-16 11:34:15,685 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-10-16 11:34:15,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-10-16 11:34:15,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 11:34:16,110 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 11:34:16,113 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 11:34:18,453 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 11:34:18,465 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 11:34:18,465 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-10-16 11:34:18,468 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 11:34:18 BoogieIcfgContainer [2022-10-16 11:34:18,469 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 11:34:18,471 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 11:34:18,471 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 11:34:18,475 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 11:34:18,475 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 11:34:12" (1/3) ... [2022-10-16 11:34:18,476 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@618a3a4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 11:34:18, skipping insertion in model container [2022-10-16 11:34:18,476 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:34:15" (2/3) ... [2022-10-16 11:34:18,477 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@618a3a4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 11:34:18, skipping insertion in model container [2022-10-16 11:34:18,477 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 11:34:18" (3/3) ... [2022-10-16 11:34:18,479 INFO L112 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_pthread_mutex_unlock.i [2022-10-16 11:34:18,500 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 11:34:18,501 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2022-10-16 11:34:18,592 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 11:34:18,600 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@172f8bfa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 11:34:18,600 INFO L358 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2022-10-16 11:34:18,607 INFO L276 IsEmpty]: Start isEmpty. Operand has 380 states, 259 states have (on average 1.3976833976833978) internal successors, (362), 280 states have internal predecessors, (362), 78 states have call successors, (78), 26 states have call predecessors, (78), 26 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2022-10-16 11:34:18,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-16 11:34:18,616 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:34:18,616 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:34:18,617 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~X~$Pointer$~TO~intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 11:34:18,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:34:18,623 INFO L85 PathProgramCache]: Analyzing trace with hash -812033716, now seen corresponding path program 1 times [2022-10-16 11:34:18,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:34:18,634 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921266797] [2022-10-16 11:34:18,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:34:18,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:34:18,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:19,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 11:34:19,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:19,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 11:34:19,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:34:19,367 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921266797] [2022-10-16 11:34:19,368 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1921266797] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 11:34:19,368 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 11:34:19,369 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 11:34:19,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530289100] [2022-10-16 11:34:19,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 11:34:19,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 11:34:19,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:34:19,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 11:34:19,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 11:34:19,414 INFO L87 Difference]: Start difference. First operand has 380 states, 259 states have (on average 1.3976833976833978) internal successors, (362), 280 states have internal predecessors, (362), 78 states have call successors, (78), 26 states have call predecessors, (78), 26 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) Second operand has 5 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 11:34:20,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:34:20,465 INFO L93 Difference]: Finished difference Result 770 states and 1058 transitions. [2022-10-16 11:34:20,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 11:34:20,468 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 10 [2022-10-16 11:34:20,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:34:20,485 INFO L225 Difference]: With dead ends: 770 [2022-10-16 11:34:20,486 INFO L226 Difference]: Without dead ends: 386 [2022-10-16 11:34:20,493 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 11:34:20,497 INFO L413 NwaCegarLoop]: 487 mSDtfsCounter, 91 mSDsluCounter, 1034 mSDsCounter, 0 mSdLazyCounter, 363 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 1521 SdHoareTripleChecker+Invalid, 446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 363 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-16 11:34:20,498 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 1521 Invalid, 446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 363 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-16 11:34:20,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2022-10-16 11:34:20,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 373. [2022-10-16 11:34:20,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 373 states, 256 states have (on average 1.375) internal successors, (352), 276 states have internal predecessors, (352), 75 states have call successors, (75), 26 states have call predecessors, (75), 26 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2022-10-16 11:34:20,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 502 transitions. [2022-10-16 11:34:20,616 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 502 transitions. Word has length 10 [2022-10-16 11:34:20,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:34:20,617 INFO L495 AbstractCegarLoop]: Abstraction has 373 states and 502 transitions. [2022-10-16 11:34:20,617 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 11:34:20,618 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 502 transitions. [2022-10-16 11:34:20,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-16 11:34:20,619 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:34:20,619 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:34:20,620 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 11:34:20,620 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~X~$Pointer$~TO~intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 11:34:20,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:34:20,621 INFO L85 PathProgramCache]: Analyzing trace with hash 1172939528, now seen corresponding path program 1 times [2022-10-16 11:34:20,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:34:20,622 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706090356] [2022-10-16 11:34:20,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:34:20,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:34:20,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:20,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 11:34:20,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:20,905 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-16 11:34:20,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:34:20,906 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706090356] [2022-10-16 11:34:20,907 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [706090356] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 11:34:20,907 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 11:34:20,907 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 11:34:20,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985133641] [2022-10-16 11:34:20,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 11:34:20,909 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 11:34:20,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:34:20,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 11:34:20,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 11:34:20,910 INFO L87 Difference]: Start difference. First operand 373 states and 502 transitions. Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 11:34:21,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:34:21,871 INFO L93 Difference]: Finished difference Result 381 states and 512 transitions. [2022-10-16 11:34:21,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 11:34:21,872 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2022-10-16 11:34:21,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:34:21,879 INFO L225 Difference]: With dead ends: 381 [2022-10-16 11:34:21,881 INFO L226 Difference]: Without dead ends: 380 [2022-10-16 11:34:21,882 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 11:34:21,887 INFO L413 NwaCegarLoop]: 469 mSDtfsCounter, 93 mSDsluCounter, 987 mSDsCounter, 0 mSdLazyCounter, 351 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 1456 SdHoareTripleChecker+Invalid, 430 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-16 11:34:21,888 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 1456 Invalid, 430 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 351 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-16 11:34:21,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2022-10-16 11:34:21,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 372. [2022-10-16 11:34:21,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 372 states, 256 states have (on average 1.37109375) internal successors, (351), 275 states have internal predecessors, (351), 75 states have call successors, (75), 26 states have call predecessors, (75), 26 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2022-10-16 11:34:21,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 501 transitions. [2022-10-16 11:34:21,936 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 501 transitions. Word has length 14 [2022-10-16 11:34:21,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:34:21,937 INFO L495 AbstractCegarLoop]: Abstraction has 372 states and 501 transitions. [2022-10-16 11:34:21,937 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 11:34:21,937 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 501 transitions. [2022-10-16 11:34:21,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-16 11:34:21,938 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:34:21,938 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:34:21,938 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 11:34:21,938 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~X~$Pointer$~TO~intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 11:34:21,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:34:21,940 INFO L85 PathProgramCache]: Analyzing trace with hash 2001387251, now seen corresponding path program 1 times [2022-10-16 11:34:21,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:34:21,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354634365] [2022-10-16 11:34:21,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:34:21,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:34:22,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:22,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 11:34:22,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:22,289 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 11:34:22,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:34:22,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354634365] [2022-10-16 11:34:22,290 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1354634365] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 11:34:22,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [660737986] [2022-10-16 11:34:22,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:34:22,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:34:22,291 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 11:34:22,293 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) [2022-10-16 11:34:22,313 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-16 11:34:22,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:22,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 776 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-16 11:34:22,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 11:34:22,680 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 11:34:22,680 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 11:34:22,683 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [660737986] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 11:34:22,683 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 11:34:22,683 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 8 [2022-10-16 11:34:22,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177408860] [2022-10-16 11:34:22,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 11:34:22,684 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 11:34:22,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:34:22,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 11:34:22,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 11:34:22,685 INFO L87 Difference]: Start difference. First operand 372 states and 501 transitions. Second operand has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 11:34:22,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:34:22,820 INFO L93 Difference]: Finished difference Result 377 states and 506 transitions. [2022-10-16 11:34:22,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 11:34:22,821 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2022-10-16 11:34:22,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:34:22,825 INFO L225 Difference]: With dead ends: 377 [2022-10-16 11:34:22,826 INFO L226 Difference]: Without dead ends: 376 [2022-10-16 11:34:22,827 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2022-10-16 11:34:22,838 INFO L413 NwaCegarLoop]: 488 mSDtfsCounter, 351 mSDsluCounter, 774 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 380 SdHoareTripleChecker+Valid, 1262 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 11:34:22,840 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [380 Valid, 1262 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 11:34:22,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2022-10-16 11:34:22,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 368. [2022-10-16 11:34:22,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 368 states, 253 states have (on average 1.3715415019762847) internal successors, (347), 271 states have internal predecessors, (347), 75 states have call successors, (75), 26 states have call predecessors, (75), 26 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2022-10-16 11:34:22,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 497 transitions. [2022-10-16 11:34:22,876 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 497 transitions. Word has length 15 [2022-10-16 11:34:22,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:34:22,879 INFO L495 AbstractCegarLoop]: Abstraction has 368 states and 497 transitions. [2022-10-16 11:34:22,880 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 11:34:22,880 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 497 transitions. [2022-10-16 11:34:22,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-16 11:34:22,881 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:34:22,881 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:34:22,925 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-10-16 11:34:23,094 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:34:23,095 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~X~$Pointer$~TO~intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 11:34:23,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:34:23,097 INFO L85 PathProgramCache]: Analyzing trace with hash 1911868078, now seen corresponding path program 1 times [2022-10-16 11:34:23,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:34:23,097 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730111721] [2022-10-16 11:34:23,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:34:23,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:34:23,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:23,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 11:34:23,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:23,392 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 11:34:23,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:34:23,392 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730111721] [2022-10-16 11:34:23,393 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730111721] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 11:34:23,393 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1174245222] [2022-10-16 11:34:23,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:34:23,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:34:23,394 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 11:34:23,398 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) [2022-10-16 11:34:23,420 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-16 11:34:23,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:23,715 INFO L263 TraceCheckSpWp]: Trace formula consists of 786 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-16 11:34:23,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 11:34:23,747 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 11:34:23,747 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 11:34:23,798 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 11:34:23,799 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1174245222] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 11:34:23,799 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 11:34:23,799 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2022-10-16 11:34:23,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139826704] [2022-10-16 11:34:23,799 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 11:34:23,801 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-10-16 11:34:23,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:34:23,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-10-16 11:34:23,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2022-10-16 11:34:23,802 INFO L87 Difference]: Start difference. First operand 368 states and 497 transitions. Second operand has 11 states, 11 states have (on average 2.3636363636363638) internal successors, (26), 10 states have internal predecessors, (26), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 11:34:24,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:34:24,847 INFO L93 Difference]: Finished difference Result 748 states and 1008 transitions. [2022-10-16 11:34:24,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 11:34:24,848 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.3636363636363638) internal successors, (26), 10 states have internal predecessors, (26), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2022-10-16 11:34:24,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:34:24,852 INFO L225 Difference]: With dead ends: 748 [2022-10-16 11:34:24,852 INFO L226 Difference]: Without dead ends: 389 [2022-10-16 11:34:24,853 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2022-10-16 11:34:24,854 INFO L413 NwaCegarLoop]: 469 mSDtfsCounter, 109 mSDsluCounter, 1737 mSDsCounter, 0 mSdLazyCounter, 588 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 2206 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 588 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-10-16 11:34:24,858 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 2206 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 588 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-10-16 11:34:24,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2022-10-16 11:34:24,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 376. [2022-10-16 11:34:24,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 376 states, 261 states have (on average 1.3601532567049808) internal successors, (355), 279 states have internal predecessors, (355), 75 states have call successors, (75), 26 states have call predecessors, (75), 26 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2022-10-16 11:34:24,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 505 transitions. [2022-10-16 11:34:24,879 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 505 transitions. Word has length 16 [2022-10-16 11:34:24,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:34:24,879 INFO L495 AbstractCegarLoop]: Abstraction has 376 states and 505 transitions. [2022-10-16 11:34:24,880 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.3636363636363638) internal successors, (26), 10 states have internal predecessors, (26), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 11:34:24,880 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 505 transitions. [2022-10-16 11:34:24,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-16 11:34:24,881 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:34:24,881 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:34:24,928 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-10-16 11:34:25,096 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2022-10-16 11:34:25,098 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~X~$Pointer$~TO~intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 11:34:25,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:34:25,099 INFO L85 PathProgramCache]: Analyzing trace with hash -847632858, now seen corresponding path program 2 times [2022-10-16 11:34:25,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:34:25,100 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573004693] [2022-10-16 11:34:25,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:34:25,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:34:25,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:25,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 11:34:25,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:25,328 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-16 11:34:25,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:34:25,329 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573004693] [2022-10-16 11:34:25,329 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1573004693] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 11:34:25,329 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 11:34:25,329 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 11:34:25,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824017675] [2022-10-16 11:34:25,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 11:34:25,330 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 11:34:25,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:34:25,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 11:34:25,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 11:34:25,331 INFO L87 Difference]: Start difference. First operand 376 states and 505 transitions. Second operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 11:34:26,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:34:26,248 INFO L93 Difference]: Finished difference Result 389 states and 520 transitions. [2022-10-16 11:34:26,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 11:34:26,249 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2022-10-16 11:34:26,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:34:26,252 INFO L225 Difference]: With dead ends: 389 [2022-10-16 11:34:26,252 INFO L226 Difference]: Without dead ends: 387 [2022-10-16 11:34:26,253 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 11:34:26,254 INFO L413 NwaCegarLoop]: 469 mSDtfsCounter, 89 mSDsluCounter, 989 mSDsCounter, 0 mSdLazyCounter, 357 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 1458 SdHoareTripleChecker+Invalid, 435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 357 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-16 11:34:26,254 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 1458 Invalid, 435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 357 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-16 11:34:26,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2022-10-16 11:34:26,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 379. [2022-10-16 11:34:26,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 379 states, 264 states have (on average 1.356060606060606) internal successors, (358), 282 states have internal predecessors, (358), 75 states have call successors, (75), 26 states have call predecessors, (75), 26 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2022-10-16 11:34:26,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 508 transitions. [2022-10-16 11:34:26,275 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 508 transitions. Word has length 24 [2022-10-16 11:34:26,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:34:26,276 INFO L495 AbstractCegarLoop]: Abstraction has 379 states and 508 transitions. [2022-10-16 11:34:26,276 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 11:34:26,276 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 508 transitions. [2022-10-16 11:34:26,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-16 11:34:26,277 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:34:26,277 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:34:26,277 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 11:34:26,278 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~X~$Pointer$~TO~intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 11:34:26,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:34:26,278 INFO L85 PathProgramCache]: Analyzing trace with hash -1702041758, now seen corresponding path program 1 times [2022-10-16 11:34:26,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:34:26,279 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118530597] [2022-10-16 11:34:26,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:34:26,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:34:26,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:26,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 11:34:26,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:26,512 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-16 11:34:26,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:34:26,512 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118530597] [2022-10-16 11:34:26,513 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [118530597] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 11:34:26,513 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [308098337] [2022-10-16 11:34:26,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:34:26,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:34:26,513 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 11:34:26,514 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) [2022-10-16 11:34:26,539 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-10-16 11:34:26,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:26,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 851 conjuncts, 8 conjunts are in the unsatisfiable core [2022-10-16 11:34:26,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 11:34:26,909 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-16 11:34:26,909 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 11:34:27,077 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-16 11:34:27,077 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [308098337] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 11:34:27,078 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 11:34:27,078 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 9, 9] total 20 [2022-10-16 11:34:27,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689383645] [2022-10-16 11:34:27,078 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 11:34:27,079 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-10-16 11:34:27,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:34:27,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-10-16 11:34:27,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=292, Unknown=0, NotChecked=0, Total=380 [2022-10-16 11:34:27,080 INFO L87 Difference]: Start difference. First operand 379 states and 508 transitions. Second operand has 20 states, 20 states have (on average 2.55) internal successors, (51), 19 states have internal predecessors, (51), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 11:34:28,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:34:28,415 INFO L93 Difference]: Finished difference Result 760 states and 1022 transitions. [2022-10-16 11:34:28,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-10-16 11:34:28,416 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 2.55) internal successors, (51), 19 states have internal predecessors, (51), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 28 [2022-10-16 11:34:28,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:34:28,422 INFO L225 Difference]: With dead ends: 760 [2022-10-16 11:34:28,422 INFO L226 Difference]: Without dead ends: 398 [2022-10-16 11:34:28,424 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=190, Invalid=566, Unknown=0, NotChecked=0, Total=756 [2022-10-16 11:34:28,428 INFO L413 NwaCegarLoop]: 464 mSDtfsCounter, 643 mSDsluCounter, 2477 mSDsCounter, 0 mSdLazyCounter, 942 mSolverCounterSat, 185 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 653 SdHoareTripleChecker+Valid, 2941 SdHoareTripleChecker+Invalid, 1127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 185 IncrementalHoareTripleChecker+Valid, 942 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-10-16 11:34:28,429 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [653 Valid, 2941 Invalid, 1127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [185 Valid, 942 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-10-16 11:34:28,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2022-10-16 11:34:28,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 390. [2022-10-16 11:34:28,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 390 states, 277 states have (on average 1.3285198555956679) internal successors, (368), 293 states have internal predecessors, (368), 75 states have call successors, (75), 26 states have call predecessors, (75), 26 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2022-10-16 11:34:28,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 518 transitions. [2022-10-16 11:34:28,481 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 518 transitions. Word has length 28 [2022-10-16 11:34:28,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:34:28,482 INFO L495 AbstractCegarLoop]: Abstraction has 390 states and 518 transitions. [2022-10-16 11:34:28,482 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 2.55) internal successors, (51), 19 states have internal predecessors, (51), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 11:34:28,482 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 518 transitions. [2022-10-16 11:34:28,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-16 11:34:28,485 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:34:28,485 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:34:28,512 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-10-16 11:34:28,690 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:34:28,691 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~X~$Pointer$~TO~intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 11:34:28,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:34:28,692 INFO L85 PathProgramCache]: Analyzing trace with hash -178024015, now seen corresponding path program 1 times [2022-10-16 11:34:28,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:34:28,693 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324833860] [2022-10-16 11:34:28,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:34:28,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:34:28,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:29,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 11:34:29,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:29,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-16 11:34:29,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:29,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-10-16 11:34:29,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:29,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 11:34:29,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:29,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-10-16 11:34:29,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:29,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-10-16 11:34:29,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:29,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-10-16 11:34:29,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:29,138 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2022-10-16 11:34:29,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:34:29,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324833860] [2022-10-16 11:34:29,139 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [324833860] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 11:34:29,139 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 11:34:29,139 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 11:34:29,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226144966] [2022-10-16 11:34:29,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 11:34:29,140 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 11:34:29,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:34:29,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 11:34:29,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 11:34:29,141 INFO L87 Difference]: Start difference. First operand 390 states and 518 transitions. Second operand has 5 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-10-16 11:34:30,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:34:30,135 INFO L93 Difference]: Finished difference Result 998 states and 1350 transitions. [2022-10-16 11:34:30,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 11:34:30,136 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 79 [2022-10-16 11:34:30,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:34:30,146 INFO L225 Difference]: With dead ends: 998 [2022-10-16 11:34:30,146 INFO L226 Difference]: Without dead ends: 682 [2022-10-16 11:34:30,148 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-10-16 11:34:30,149 INFO L413 NwaCegarLoop]: 511 mSDtfsCounter, 503 mSDsluCounter, 981 mSDsCounter, 0 mSdLazyCounter, 428 mSolverCounterSat, 179 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 541 SdHoareTripleChecker+Valid, 1492 SdHoareTripleChecker+Invalid, 607 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 179 IncrementalHoareTripleChecker+Valid, 428 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-16 11:34:30,149 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [541 Valid, 1492 Invalid, 607 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [179 Valid, 428 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-16 11:34:30,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 682 states. [2022-10-16 11:34:30,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 682 to 660. [2022-10-16 11:34:30,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 660 states, 471 states have (on average 1.346072186836518) internal successors, (634), 489 states have internal predecessors, (634), 132 states have call successors, (132), 47 states have call predecessors, (132), 47 states have return successors, (132), 132 states have call predecessors, (132), 132 states have call successors, (132) [2022-10-16 11:34:30,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 660 states and 898 transitions. [2022-10-16 11:34:30,208 INFO L78 Accepts]: Start accepts. Automaton has 660 states and 898 transitions. Word has length 79 [2022-10-16 11:34:30,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:34:30,209 INFO L495 AbstractCegarLoop]: Abstraction has 660 states and 898 transitions. [2022-10-16 11:34:30,209 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-10-16 11:34:30,210 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 898 transitions. [2022-10-16 11:34:30,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-16 11:34:30,221 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:34:30,221 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:34:30,222 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 11:34:30,222 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~X~$Pointer$~TO~intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 11:34:30,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:34:30,223 INFO L85 PathProgramCache]: Analyzing trace with hash -1159789199, now seen corresponding path program 1 times [2022-10-16 11:34:30,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:34:30,223 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354881079] [2022-10-16 11:34:30,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:34:30,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:34:30,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:31,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 11:34:31,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:31,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-16 11:34:31,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:31,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-10-16 11:34:31,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:31,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 11:34:31,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:31,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-10-16 11:34:31,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:31,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-10-16 11:34:31,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:31,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-10-16 11:34:31,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:31,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-10-16 11:34:31,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:31,070 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-10-16 11:34:31,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:34:31,071 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354881079] [2022-10-16 11:34:31,071 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1354881079] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 11:34:31,071 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1878830329] [2022-10-16 11:34:31,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:34:31,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:34:31,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 11:34:31,073 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 11:34:31,079 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-10-16 11:34:31,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:31,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 1073 conjuncts, 16 conjunts are in the unsatisfiable core [2022-10-16 11:34:31,431 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 11:34:31,528 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-10-16 11:34:31,528 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 11:34:31,746 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-10-16 11:34:31,746 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1878830329] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 11:34:31,746 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 11:34:31,746 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 17, 17] total 24 [2022-10-16 11:34:31,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209352357] [2022-10-16 11:34:31,747 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 11:34:31,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-10-16 11:34:31,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:34:31,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-10-16 11:34:31,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=407, Unknown=0, NotChecked=0, Total=552 [2022-10-16 11:34:31,749 INFO L87 Difference]: Start difference. First operand 660 states and 898 transitions. Second operand has 24 states, 24 states have (on average 3.9166666666666665) internal successors, (94), 23 states have internal predecessors, (94), 2 states have call successors, (18), 3 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-10-16 11:34:32,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:34:32,775 INFO L93 Difference]: Finished difference Result 1315 states and 1796 transitions. [2022-10-16 11:34:32,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-10-16 11:34:32,776 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 3.9166666666666665) internal successors, (94), 23 states have internal predecessors, (94), 2 states have call successors, (18), 3 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 91 [2022-10-16 11:34:32,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:34:32,782 INFO L225 Difference]: With dead ends: 1315 [2022-10-16 11:34:32,782 INFO L226 Difference]: Without dead ends: 688 [2022-10-16 11:34:32,785 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 180 SyntacticMatches, 11 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 373 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=300, Invalid=756, Unknown=0, NotChecked=0, Total=1056 [2022-10-16 11:34:32,786 INFO L413 NwaCegarLoop]: 464 mSDtfsCounter, 156 mSDsluCounter, 1721 mSDsCounter, 0 mSdLazyCounter, 629 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 2185 SdHoareTripleChecker+Invalid, 713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 629 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-16 11:34:32,786 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 2185 Invalid, 713 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 629 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-16 11:34:32,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 688 states. [2022-10-16 11:34:32,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 688 to 672. [2022-10-16 11:34:32,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 672 states, 483 states have (on average 1.3374741200828157) internal successors, (646), 501 states have internal predecessors, (646), 132 states have call successors, (132), 47 states have call predecessors, (132), 47 states have return successors, (132), 132 states have call predecessors, (132), 132 states have call successors, (132) [2022-10-16 11:34:32,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 672 states and 910 transitions. [2022-10-16 11:34:32,833 INFO L78 Accepts]: Start accepts. Automaton has 672 states and 910 transitions. Word has length 91 [2022-10-16 11:34:32,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:34:32,835 INFO L495 AbstractCegarLoop]: Abstraction has 672 states and 910 transitions. [2022-10-16 11:34:32,836 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 3.9166666666666665) internal successors, (94), 23 states have internal predecessors, (94), 2 states have call successors, (18), 3 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-10-16 11:34:32,836 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 910 transitions. [2022-10-16 11:34:32,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-10-16 11:34:32,840 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:34:32,840 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:34:32,880 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-10-16 11:34:33,055 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:34:33,055 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~X~$Pointer$~TO~intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 11:34:33,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:34:33,056 INFO L85 PathProgramCache]: Analyzing trace with hash -784019267, now seen corresponding path program 2 times [2022-10-16 11:34:33,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:34:33,056 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182849394] [2022-10-16 11:34:33,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:34:33,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:34:33,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:33,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 11:34:33,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:33,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-10-16 11:34:33,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:33,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-10-16 11:34:33,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:33,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 11:34:33,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:33,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-10-16 11:34:33,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:33,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-10-16 11:34:33,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:33,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-10-16 11:34:33,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:33,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-10-16 11:34:33,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:33,426 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2022-10-16 11:34:33,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:34:33,426 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182849394] [2022-10-16 11:34:33,427 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1182849394] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 11:34:33,427 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 11:34:33,427 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 11:34:33,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519667127] [2022-10-16 11:34:33,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 11:34:33,428 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 11:34:33,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:34:33,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 11:34:33,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 11:34:33,429 INFO L87 Difference]: Start difference. First operand 672 states and 910 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-10-16 11:34:34,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:34:34,355 INFO L93 Difference]: Finished difference Result 698 states and 930 transitions. [2022-10-16 11:34:34,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 11:34:34,355 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 103 [2022-10-16 11:34:34,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:34:34,359 INFO L225 Difference]: With dead ends: 698 [2022-10-16 11:34:34,359 INFO L226 Difference]: Without dead ends: 418 [2022-10-16 11:34:34,360 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-10-16 11:34:34,361 INFO L413 NwaCegarLoop]: 468 mSDtfsCounter, 86 mSDsluCounter, 1367 mSDsCounter, 0 mSdLazyCounter, 451 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 1835 SdHoareTripleChecker+Invalid, 527 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 451 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-16 11:34:34,361 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 1835 Invalid, 527 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 451 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-16 11:34:34,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2022-10-16 11:34:34,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 410. [2022-10-16 11:34:34,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 410 states, 296 states have (on average 1.2939189189189189) internal successors, (383), 310 states have internal predecessors, (383), 75 states have call successors, (75), 29 states have call predecessors, (75), 29 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2022-10-16 11:34:34,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 533 transitions. [2022-10-16 11:34:34,385 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 533 transitions. Word has length 103 [2022-10-16 11:34:34,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:34:34,385 INFO L495 AbstractCegarLoop]: Abstraction has 410 states and 533 transitions. [2022-10-16 11:34:34,386 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-10-16 11:34:34,386 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 533 transitions. [2022-10-16 11:34:34,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-10-16 11:34:34,387 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:34:34,387 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:34:34,387 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 11:34:34,388 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting cdev_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~X~$Pointer$~TO~intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 11:34:34,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:34:34,388 INFO L85 PathProgramCache]: Analyzing trace with hash -902443541, now seen corresponding path program 1 times [2022-10-16 11:34:34,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:34:34,389 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549859704] [2022-10-16 11:34:34,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:34:34,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:34:34,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:34,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 11:34:34,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:34,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-10-16 11:34:34,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:34,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-10-16 11:34:34,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:34,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 11:34:34,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:34,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-10-16 11:34:34,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:34,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-16 11:34:34,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:34,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-10-16 11:34:34,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:34,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-10-16 11:34:34,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:34,982 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2022-10-16 11:34:34,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:34:34,983 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549859704] [2022-10-16 11:34:34,983 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549859704] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 11:34:34,983 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 11:34:34,983 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 11:34:34,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397211828] [2022-10-16 11:34:34,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 11:34:34,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 11:34:34,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:34:34,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 11:34:34,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 11:34:34,985 INFO L87 Difference]: Start difference. First operand 410 states and 533 transitions. Second operand has 5 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-10-16 11:34:35,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:34:35,881 INFO L93 Difference]: Finished difference Result 885 states and 1157 transitions. [2022-10-16 11:34:35,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 11:34:35,881 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 102 [2022-10-16 11:34:35,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:34:35,885 INFO L225 Difference]: With dead ends: 885 [2022-10-16 11:34:35,885 INFO L226 Difference]: Without dead ends: 566 [2022-10-16 11:34:35,886 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-10-16 11:34:35,887 INFO L413 NwaCegarLoop]: 511 mSDtfsCounter, 261 mSDsluCounter, 968 mSDsCounter, 0 mSdLazyCounter, 402 mSolverCounterSat, 129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 290 SdHoareTripleChecker+Valid, 1479 SdHoareTripleChecker+Invalid, 531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 129 IncrementalHoareTripleChecker+Valid, 402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-16 11:34:35,887 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [290 Valid, 1479 Invalid, 531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [129 Valid, 402 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-16 11:34:35,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 566 states. [2022-10-16 11:34:35,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 566 to 550. [2022-10-16 11:34:35,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 550 states, 391 states have (on average 1.2659846547314577) internal successors, (495), 405 states have internal predecessors, (495), 105 states have call successors, (105), 45 states have call predecessors, (105), 46 states have return successors, (106), 106 states have call predecessors, (106), 105 states have call successors, (106) [2022-10-16 11:34:35,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 550 states and 706 transitions. [2022-10-16 11:34:35,922 INFO L78 Accepts]: Start accepts. Automaton has 550 states and 706 transitions. Word has length 102 [2022-10-16 11:34:35,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:34:35,923 INFO L495 AbstractCegarLoop]: Abstraction has 550 states and 706 transitions. [2022-10-16 11:34:35,924 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-10-16 11:34:35,924 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 706 transitions. [2022-10-16 11:34:35,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2022-10-16 11:34:35,926 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:34:35,926 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:34:35,927 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 11:34:35,927 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~X~$Pointer$~TO~intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 11:34:35,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:34:35,928 INFO L85 PathProgramCache]: Analyzing trace with hash -1822031, now seen corresponding path program 1 times [2022-10-16 11:34:35,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:34:35,928 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768156650] [2022-10-16 11:34:35,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:34:35,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:34:36,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:36,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 11:34:36,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:36,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-10-16 11:34:36,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:36,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-10-16 11:34:36,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:36,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 11:34:36,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:36,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-10-16 11:34:36,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:36,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-16 11:34:36,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:36,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-10-16 11:34:36,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:36,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-10-16 11:34:36,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:36,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 11:34:36,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:36,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-10-16 11:34:36,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:36,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-10-16 11:34:36,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:36,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-10-16 11:34:36,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:36,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-10-16 11:34:36,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:36,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 11:34:36,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:36,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 11:34:36,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:36,544 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2022-10-16 11:34:36,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:34:36,545 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768156650] [2022-10-16 11:34:36,545 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [768156650] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 11:34:36,545 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 11:34:36,545 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 11:34:36,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519253417] [2022-10-16 11:34:36,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 11:34:36,546 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 11:34:36,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:34:36,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 11:34:36,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 11:34:36,548 INFO L87 Difference]: Start difference. First operand 550 states and 706 transitions. Second operand has 7 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-10-16 11:34:39,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:34:39,021 INFO L93 Difference]: Finished difference Result 1340 states and 1756 transitions. [2022-10-16 11:34:39,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 11:34:39,022 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 137 [2022-10-16 11:34:39,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:34:39,028 INFO L225 Difference]: With dead ends: 1340 [2022-10-16 11:34:39,029 INFO L226 Difference]: Without dead ends: 954 [2022-10-16 11:34:39,030 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2022-10-16 11:34:39,031 INFO L413 NwaCegarLoop]: 448 mSDtfsCounter, 914 mSDsluCounter, 652 mSDsCounter, 0 mSdLazyCounter, 975 mSolverCounterSat, 606 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 962 SdHoareTripleChecker+Valid, 1100 SdHoareTripleChecker+Invalid, 1581 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 606 IncrementalHoareTripleChecker+Valid, 975 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-10-16 11:34:39,031 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [962 Valid, 1100 Invalid, 1581 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [606 Valid, 975 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-10-16 11:34:39,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 954 states. [2022-10-16 11:34:39,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 954 to 924. [2022-10-16 11:34:39,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 924 states, 655 states have (on average 1.285496183206107) internal successors, (842), 672 states have internal predecessors, (842), 183 states have call successors, (183), 79 states have call predecessors, (183), 80 states have return successors, (184), 184 states have call predecessors, (184), 183 states have call successors, (184) [2022-10-16 11:34:39,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 924 states and 1209 transitions. [2022-10-16 11:34:39,097 INFO L78 Accepts]: Start accepts. Automaton has 924 states and 1209 transitions. Word has length 137 [2022-10-16 11:34:39,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:34:39,098 INFO L495 AbstractCegarLoop]: Abstraction has 924 states and 1209 transitions. [2022-10-16 11:34:39,098 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-10-16 11:34:39,098 INFO L276 IsEmpty]: Start isEmpty. Operand 924 states and 1209 transitions. [2022-10-16 11:34:39,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-10-16 11:34:39,101 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:34:39,101 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:34:39,101 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 11:34:39,102 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~X~$Pointer$~TO~intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 11:34:39,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:34:39,102 INFO L85 PathProgramCache]: Analyzing trace with hash 1697507793, now seen corresponding path program 1 times [2022-10-16 11:34:39,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:34:39,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51851949] [2022-10-16 11:34:39,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:34:39,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:34:39,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:39,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 11:34:39,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:39,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-10-16 11:34:39,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:39,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-10-16 11:34:39,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:39,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 11:34:39,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:40,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-10-16 11:34:40,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:40,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-16 11:34:40,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:40,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-10-16 11:34:40,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:40,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-10-16 11:34:40,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:40,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 11:34:40,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:40,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-10-16 11:34:40,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:40,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-10-16 11:34:40,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:40,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-10-16 11:34:40,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:40,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-10-16 11:34:40,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:40,115 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2022-10-16 11:34:40,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:34:40,116 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51851949] [2022-10-16 11:34:40,116 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [51851949] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 11:34:40,116 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 11:34:40,116 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 11:34:40,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092406439] [2022-10-16 11:34:40,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 11:34:40,117 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 11:34:40,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:34:40,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 11:34:40,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 11:34:40,118 INFO L87 Difference]: Start difference. First operand 924 states and 1209 transitions. Second operand has 5 states, 4 states have (on average 14.75) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-10-16 11:34:41,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:34:41,322 INFO L93 Difference]: Finished difference Result 2328 states and 3139 transitions. [2022-10-16 11:34:41,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 11:34:41,322 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.75) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 138 [2022-10-16 11:34:41,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:34:41,334 INFO L225 Difference]: With dead ends: 2328 [2022-10-16 11:34:41,334 INFO L226 Difference]: Without dead ends: 1408 [2022-10-16 11:34:41,340 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-10-16 11:34:41,341 INFO L413 NwaCegarLoop]: 523 mSDtfsCounter, 623 mSDsluCounter, 484 mSDsCounter, 0 mSdLazyCounter, 316 mSolverCounterSat, 296 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 660 SdHoareTripleChecker+Valid, 1007 SdHoareTripleChecker+Invalid, 612 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 296 IncrementalHoareTripleChecker+Valid, 316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-10-16 11:34:41,341 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [660 Valid, 1007 Invalid, 612 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [296 Valid, 316 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-10-16 11:34:41,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1408 states. [2022-10-16 11:34:41,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1408 to 1267. [2022-10-16 11:34:41,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1267 states, 912 states have (on average 1.3388157894736843) internal successors, (1221), 935 states have internal predecessors, (1221), 245 states have call successors, (245), 104 states have call predecessors, (245), 104 states have return successors, (253), 243 states have call predecessors, (253), 245 states have call successors, (253) [2022-10-16 11:34:41,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1267 states to 1267 states and 1719 transitions. [2022-10-16 11:34:41,516 INFO L78 Accepts]: Start accepts. Automaton has 1267 states and 1719 transitions. Word has length 138 [2022-10-16 11:34:41,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:34:41,517 INFO L495 AbstractCegarLoop]: Abstraction has 1267 states and 1719 transitions. [2022-10-16 11:34:41,518 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.75) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-10-16 11:34:41,518 INFO L276 IsEmpty]: Start isEmpty. Operand 1267 states and 1719 transitions. [2022-10-16 11:34:41,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2022-10-16 11:34:41,521 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:34:41,521 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:34:41,522 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 11:34:41,522 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ##fun~$Pointer$~X~$Pointer$~TO~intErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~X~$Pointer$~TO~intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 11:34:41,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:34:41,523 INFO L85 PathProgramCache]: Analyzing trace with hash -330265392, now seen corresponding path program 1 times [2022-10-16 11:34:41,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:34:41,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139924111] [2022-10-16 11:34:41,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:34:41,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:34:42,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:46,346 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 11:34:46,347 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.InterpolantChecker.checkInductivity(InterpolantChecker.java:409) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.walkLeafNode(Interpolator.java:383) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator$ProofTreeWalker.walk(Interpolator.java:154) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.interpolate(Interpolator.java:260) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.getInterpolants(Interpolator.java:237) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:848) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:773) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:352) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.getInterpolants(ManagedScript.java:192) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:284) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:165) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:327) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:229) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:97) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:121) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:336) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:262) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-10-16 11:34:46,353 INFO L158 Benchmark]: Toolchain (without parser) took 33892.25ms. Allocated memory was 154.1MB in the beginning and 521.1MB in the end (delta: 367.0MB). Free memory was 123.8MB in the beginning and 177.2MB in the end (delta: -53.4MB). Peak memory consumption was 315.8MB. Max. memory is 8.0GB. [2022-10-16 11:34:46,353 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 154.1MB. Free memory is still 123.6MB. There was no memory consumed. Max. memory is 8.0GB. [2022-10-16 11:34:46,354 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2687.20ms. Allocated memory is still 154.1MB. Free memory was 123.6MB in the beginning and 64.0MB in the end (delta: 59.6MB). Peak memory consumption was 60.0MB. Max. memory is 8.0GB. [2022-10-16 11:34:46,354 INFO L158 Benchmark]: Boogie Procedure Inliner took 197.01ms. Allocated memory is still 154.1MB. Free memory was 64.0MB in the beginning and 55.1MB in the end (delta: 8.9MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-10-16 11:34:46,354 INFO L158 Benchmark]: Boogie Preprocessor took 174.52ms. Allocated memory was 154.1MB in the beginning and 185.6MB in the end (delta: 31.5MB). Free memory was 55.1MB in the beginning and 153.1MB in the end (delta: -98.0MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2022-10-16 11:34:46,355 INFO L158 Benchmark]: RCFGBuilder took 2938.81ms. Allocated memory is still 185.6MB. Free memory was 153.1MB in the beginning and 91.1MB in the end (delta: 62.0MB). Peak memory consumption was 95.4MB. Max. memory is 8.0GB. [2022-10-16 11:34:46,355 INFO L158 Benchmark]: TraceAbstraction took 27880.96ms. Allocated memory was 185.6MB in the beginning and 521.1MB in the end (delta: 335.5MB). Free memory was 90.0MB in the beginning and 177.2MB in the end (delta: -87.2MB). Peak memory consumption was 249.8MB. Max. memory is 8.0GB. [2022-10-16 11:34:46,360 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 154.1MB. Free memory is still 123.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 2687.20ms. Allocated memory is still 154.1MB. Free memory was 123.6MB in the beginning and 64.0MB in the end (delta: 59.6MB). Peak memory consumption was 60.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 197.01ms. Allocated memory is still 154.1MB. Free memory was 64.0MB in the beginning and 55.1MB in the end (delta: 8.9MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * Boogie Preprocessor took 174.52ms. Allocated memory was 154.1MB in the beginning and 185.6MB in the end (delta: 31.5MB). Free memory was 55.1MB in the beginning and 153.1MB in the end (delta: -98.0MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * RCFGBuilder took 2938.81ms. Allocated memory is still 185.6MB. Free memory was 153.1MB in the beginning and 91.1MB in the end (delta: 62.0MB). Peak memory consumption was 95.4MB. Max. memory is 8.0GB. * TraceAbstraction took 27880.96ms. Allocated memory was 185.6MB in the beginning and 521.1MB in the end (delta: 335.5MB). Free memory was 90.0MB in the beginning and 177.2MB in the end (delta: -87.2MB). Peak memory consumption was 249.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: null: de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.InterpolantChecker.checkInductivity(InterpolantChecker.java:409) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-10-16 11:34:46,417 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...