/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_outb_p.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 11:33:35,645 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 11:33:35,649 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 11:33:35,713 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 11:33:35,714 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 11:33:35,718 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 11:33:35,722 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 11:33:35,731 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 11:33:35,733 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 11:33:35,740 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 11:33:35,741 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 11:33:35,744 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 11:33:35,744 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 11:33:35,747 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 11:33:35,749 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 11:33:35,754 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 11:33:35,756 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 11:33:35,757 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 11:33:35,761 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 11:33:35,771 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 11:33:35,775 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 11:33:35,777 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 11:33:35,778 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 11:33:35,781 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 11:33:35,791 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 11:33:35,792 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 11:33:35,792 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 11:33:35,794 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 11:33:35,795 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 11:33:35,796 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 11:33:35,796 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 11:33:35,797 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 11:33:35,799 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 11:33:35,800 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 11:33:35,801 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 11:33:35,802 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 11:33:35,802 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 11:33:35,803 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 11:33:35,803 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 11:33:35,804 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 11:33:35,805 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 11:33:35,806 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 11:33:35,860 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 11:33:35,860 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 11:33:35,861 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 11:33:35,861 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 11:33:35,862 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 11:33:35,863 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 11:33:35,865 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 11:33:35,866 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 11:33:35,866 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 11:33:35,866 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 11:33:35,867 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 11:33:35,867 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 11:33:35,868 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 11:33:35,868 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 11:33:35,868 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 11:33:35,868 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 11:33:35,868 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 11:33:35,869 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 11:33:35,869 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 11:33:35,869 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 11:33:35,869 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 11:33:35,869 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 11:33:35,869 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 11:33:35,870 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 11:33:35,870 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 11:33:35,870 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 11:33:35,870 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 11:33:35,870 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 11:33:35,871 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 11:33:35,871 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 11:33:35,871 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 11:33:35,871 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 11:33:35,872 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 11:33:35,872 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 11:33:36,246 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 11:33:36,273 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 11:33:36,276 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 11:33:36,277 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 11:33:36,278 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 11:33:36,280 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb_p.i [2022-10-16 11:33:36,366 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac650ed20/fbfa393342bc4c41bdde45981a96bd38/FLAG6737a8faa [2022-10-16 11:33:37,372 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 11:33:37,373 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb_p.i [2022-10-16 11:33:37,402 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac650ed20/fbfa393342bc4c41bdde45981a96bd38/FLAG6737a8faa [2022-10-16 11:33:37,447 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac650ed20/fbfa393342bc4c41bdde45981a96bd38 [2022-10-16 11:33:37,450 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 11:33:37,456 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 11:33:37,461 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 11:33:37,461 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 11:33:37,465 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 11:33:37,467 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 11:33:37" (1/1) ... [2022-10-16 11:33:37,468 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a2ed0ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:33:37, skipping insertion in model container [2022-10-16 11:33:37,469 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 11:33:37" (1/1) ... [2022-10-16 11:33:37,478 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 11:33:37,587 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 11:33:37,777 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_outb_p.i[458,471] [2022-10-16 11:33:39,195 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 11:33:39,232 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 11:33:39,246 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_outb_p.i[458,471] [2022-10-16 11:33:39,517 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 11:33:39,661 INFO L208 MainTranslator]: Completed translation [2022-10-16 11:33:39,662 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:33:39 WrapperNode [2022-10-16 11:33:39,662 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 11:33:39,663 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 11:33:39,664 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 11:33:39,664 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 11:33:39,673 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:33:39" (1/1) ... [2022-10-16 11:33:39,784 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:33:39" (1/1) ... [2022-10-16 11:33:39,917 INFO L138 Inliner]: procedures = 474, calls = 839, calls flagged for inlining = 54, calls inlined = 37, statements flattened = 1025 [2022-10-16 11:33:39,918 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 11:33:39,919 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 11:33:39,919 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 11:33:39,919 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 11:33:39,930 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:33:39" (1/1) ... [2022-10-16 11:33:39,931 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:33:39" (1/1) ... [2022-10-16 11:33:39,941 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:33:39" (1/1) ... [2022-10-16 11:33:39,942 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:33:39" (1/1) ... [2022-10-16 11:33:39,992 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:33:39" (1/1) ... [2022-10-16 11:33:40,012 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:33:39" (1/1) ... [2022-10-16 11:33:40,069 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:33:39" (1/1) ... [2022-10-16 11:33:40,081 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:33:39" (1/1) ... [2022-10-16 11:33:40,106 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 11:33:40,111 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 11:33:40,111 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 11:33:40,111 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 11:33:40,114 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:33:39" (1/1) ... [2022-10-16 11:33:40,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 11:33:40,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 11:33:40,166 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 11:33:40,179 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 11:33:40,244 INFO L130 BoogieDeclarations]: Found specification of procedure zf_timer_off [2022-10-16 11:33:40,245 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_timer_off [2022-10-16 11:33:40,245 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-10-16 11:33:40,245 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_begin [2022-10-16 11:33:40,245 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-10-16 11:33:40,245 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-10-16 11:33:40,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-16 11:33:40,246 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-10-16 11:33:40,246 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-10-16 11:33:40,246 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-10-16 11:33:40,246 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_end [2022-10-16 11:33:40,247 INFO L130 BoogieDeclarations]: Found specification of procedure zf_get_control [2022-10-16 11:33:40,247 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_get_control [2022-10-16 11:33:40,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-16 11:33:40,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-16 11:33:40,247 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-16 11:33:40,247 INFO L130 BoogieDeclarations]: Found specification of procedure request_region [2022-10-16 11:33:40,248 INFO L138 BoogieDeclarations]: Found implementation of procedure request_region [2022-10-16 11:33:40,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 11:33:40,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-16 11:33:40,248 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-10-16 11:33:40,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-10-16 11:33:40,248 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irqsave [2022-10-16 11:33:40,248 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irqsave [2022-10-16 11:33:40,249 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-10-16 11:33:40,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-10-16 11:33:40,249 INFO L130 BoogieDeclarations]: Found specification of procedure release_region [2022-10-16 11:33:40,249 INFO L138 BoogieDeclarations]: Found implementation of procedure release_region [2022-10-16 11:33:40,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 11:33:40,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 11:33:40,250 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_init [2022-10-16 11:33:40,250 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_init [2022-10-16 11:33:40,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-16 11:33:40,250 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-16 11:33:40,251 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-16 11:33:40,251 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-10-16 11:33:40,251 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-10-16 11:33:40,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-16 11:33:40,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-16 11:33:40,251 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-10-16 11:33:40,252 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-10-16 11:33:40,252 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2022-10-16 11:33:40,252 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2022-10-16 11:33:40,252 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-10-16 11:33:40,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-10-16 11:33:40,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-16 11:33:40,252 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2022-10-16 11:33:40,253 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2022-10-16 11:33:40,253 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2022-10-16 11:33:40,253 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2022-10-16 11:33:40,254 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-10-16 11:33:40,254 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-10-16 11:33:40,255 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2022-10-16 11:33:40,255 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2022-10-16 11:33:40,255 INFO L130 BoogieDeclarations]: Found specification of procedure assert_context_process [2022-10-16 11:33:40,256 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_context_process [2022-10-16 11:33:40,256 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_control [2022-10-16 11:33:40,256 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_control [2022-10-16 11:33:40,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-16 11:33:40,257 INFO L130 BoogieDeclarations]: Found specification of procedure zf_readw [2022-10-16 11:33:40,257 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_readw [2022-10-16 11:33:40,257 INFO L130 BoogieDeclarations]: Found specification of procedure zf_ping [2022-10-16 11:33:40,257 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_ping [2022-10-16 11:33:40,258 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2022-10-16 11:33:40,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2022-10-16 11:33:40,258 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-10-16 11:33:40,258 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-10-16 11:33:40,259 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-10-16 11:33:40,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-10-16 11:33:40,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 11:33:40,774 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 11:33:40,779 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 11:33:43,121 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 11:33:43,133 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 11:33:43,133 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-10-16 11:33:43,137 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 11:33:43 BoogieIcfgContainer [2022-10-16 11:33:43,137 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 11:33:43,140 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 11:33:43,140 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 11:33:43,145 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 11:33:43,146 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 11:33:37" (1/3) ... [2022-10-16 11:33:43,147 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@730d3e23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 11:33:43, skipping insertion in model container [2022-10-16 11:33:43,147 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:33:39" (2/3) ... [2022-10-16 11:33:43,147 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@730d3e23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 11:33:43, skipping insertion in model container [2022-10-16 11:33:43,148 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 11:33:43" (3/3) ... [2022-10-16 11:33:43,150 INFO L112 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_outb_p.i [2022-10-16 11:33:43,178 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 11:33:43,179 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2022-10-16 11:33:43,304 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 11:33:43,317 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;@60b7095b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 11:33:43,317 INFO L358 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2022-10-16 11:33:43,334 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 11:33:43,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-16 11:33:43,344 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:33:43,346 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:33:43,347 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 11:33:43,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:33:43,358 INFO L85 PathProgramCache]: Analyzing trace with hash -812033716, now seen corresponding path program 1 times [2022-10-16 11:33:43,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:33:43,373 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246036243] [2022-10-16 11:33:43,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:33:43,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:33:43,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:44,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 11:33:44,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:44,320 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 11:33:44,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:33:44,321 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246036243] [2022-10-16 11:33:44,322 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1246036243] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 11:33:44,323 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 11:33:44,323 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 11:33:44,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841239014] [2022-10-16 11:33:44,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 11:33:44,333 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 11:33:44,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:33:44,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 11:33:44,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 11:33:44,375 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 11:33:45,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:33:45,489 INFO L93 Difference]: Finished difference Result 770 states and 1058 transitions. [2022-10-16 11:33:45,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 11:33:45,493 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 11:33:45,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:33:45,511 INFO L225 Difference]: With dead ends: 770 [2022-10-16 11:33:45,511 INFO L226 Difference]: Without dead ends: 386 [2022-10-16 11:33:45,520 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 11:33:45,525 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 11:33:45,527 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 11:33:45,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2022-10-16 11:33:45,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 373. [2022-10-16 11:33:45,659 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 11:33:45,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 502 transitions. [2022-10-16 11:33:45,666 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 502 transitions. Word has length 10 [2022-10-16 11:33:45,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:33:45,667 INFO L495 AbstractCegarLoop]: Abstraction has 373 states and 502 transitions. [2022-10-16 11:33:45,668 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 11:33:45,668 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 502 transitions. [2022-10-16 11:33:45,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-16 11:33:45,670 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:33:45,670 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:33:45,670 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 11:33:45,671 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 11:33:45,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:33:45,672 INFO L85 PathProgramCache]: Analyzing trace with hash 1172939528, now seen corresponding path program 1 times [2022-10-16 11:33:45,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:33:45,673 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801599184] [2022-10-16 11:33:45,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:33:45,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:33:45,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:45,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 11:33:45,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:45,948 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 11:33:45,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:33:45,950 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801599184] [2022-10-16 11:33:45,950 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1801599184] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 11:33:45,951 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 11:33:45,951 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 11:33:45,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626813355] [2022-10-16 11:33:45,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 11:33:45,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 11:33:45,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:33:45,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 11:33:45,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 11:33:45,955 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 11:33:46,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:33:46,991 INFO L93 Difference]: Finished difference Result 381 states and 512 transitions. [2022-10-16 11:33:46,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 11:33:46,992 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 11:33:46,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:33:46,997 INFO L225 Difference]: With dead ends: 381 [2022-10-16 11:33:46,997 INFO L226 Difference]: Without dead ends: 380 [2022-10-16 11:33:46,998 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 11:33:47,000 INFO L413 NwaCegarLoop]: 469 mSDtfsCounter, 93 mSDsluCounter, 987 mSDsCounter, 0 mSdLazyCounter, 351 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s 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, 1.0s IncrementalHoareTripleChecker+Time [2022-10-16 11:33:47,001 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 1456 Invalid, 430 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 351 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-10-16 11:33:47,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2022-10-16 11:33:47,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 372. [2022-10-16 11:33:47,026 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 11:33:47,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 501 transitions. [2022-10-16 11:33:47,031 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 501 transitions. Word has length 14 [2022-10-16 11:33:47,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:33:47,032 INFO L495 AbstractCegarLoop]: Abstraction has 372 states and 501 transitions. [2022-10-16 11:33:47,032 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 11:33:47,033 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 501 transitions. [2022-10-16 11:33:47,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-16 11:33:47,033 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:33:47,034 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:33:47,034 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 11:33:47,034 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 11:33:47,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:33:47,035 INFO L85 PathProgramCache]: Analyzing trace with hash 2001387251, now seen corresponding path program 1 times [2022-10-16 11:33:47,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:33:47,035 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059934536] [2022-10-16 11:33:47,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:33:47,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:33:47,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:47,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 11:33:47,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:47,374 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 11:33:47,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:33:47,374 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059934536] [2022-10-16 11:33:47,375 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059934536] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 11:33:47,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2079827990] [2022-10-16 11:33:47,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:33:47,375 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:33:47,376 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 11:33:47,378 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 11:33:47,402 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 11:33:47,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:47,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 776 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-16 11:33:47,680 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 11:33:47,751 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 11:33:47,752 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 11:33:47,752 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2079827990] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 11:33:47,752 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 11:33:47,753 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 8 [2022-10-16 11:33:47,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120940786] [2022-10-16 11:33:47,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 11:33:47,754 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 11:33:47,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:33:47,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 11:33:47,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 11:33:47,755 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 11:33:47,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:33:47,896 INFO L93 Difference]: Finished difference Result 377 states and 506 transitions. [2022-10-16 11:33:47,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 11:33:47,896 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 11:33:47,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:33:47,900 INFO L225 Difference]: With dead ends: 377 [2022-10-16 11:33:47,900 INFO L226 Difference]: Without dead ends: 376 [2022-10-16 11:33:47,901 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2022-10-16 11:33:47,903 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 11:33:47,904 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 11:33:47,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2022-10-16 11:33:47,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 368. [2022-10-16 11:33:47,925 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 11:33:47,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 497 transitions. [2022-10-16 11:33:47,928 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 497 transitions. Word has length 15 [2022-10-16 11:33:47,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:33:47,929 INFO L495 AbstractCegarLoop]: Abstraction has 368 states and 497 transitions. [2022-10-16 11:33:47,929 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 11:33:47,930 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 497 transitions. [2022-10-16 11:33:47,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-16 11:33:47,930 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:33:47,930 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:33:47,971 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 11:33:48,145 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 11:33:48,146 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 11:33:48,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:33:48,146 INFO L85 PathProgramCache]: Analyzing trace with hash 1911868078, now seen corresponding path program 1 times [2022-10-16 11:33:48,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:33:48,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238473797] [2022-10-16 11:33:48,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:33:48,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:33:48,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:48,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 11:33:48,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:48,439 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 11:33:48,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:33:48,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238473797] [2022-10-16 11:33:48,439 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [238473797] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 11:33:48,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [412277528] [2022-10-16 11:33:48,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:33:48,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:33:48,440 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 11:33:48,442 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 11:33:48,461 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 11:33:48,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:48,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 786 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-16 11:33:48,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 11:33:48,757 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 11:33:48,758 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 11:33:48,805 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 11:33:48,806 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [412277528] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 11:33:48,806 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 11:33:48,806 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2022-10-16 11:33:48,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841936212] [2022-10-16 11:33:48,807 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 11:33:48,808 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-10-16 11:33:48,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:33:48,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-10-16 11:33:48,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2022-10-16 11:33:48,809 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 11:33:49,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:33:49,882 INFO L93 Difference]: Finished difference Result 748 states and 1008 transitions. [2022-10-16 11:33:49,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 11:33:49,883 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 11:33:49,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:33:49,887 INFO L225 Difference]: With dead ends: 748 [2022-10-16 11:33:49,887 INFO L226 Difference]: Without dead ends: 389 [2022-10-16 11:33:49,889 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 11:33:49,890 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 11:33:49,891 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 11:33:49,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2022-10-16 11:33:49,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 376. [2022-10-16 11:33:49,910 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 11:33:49,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 505 transitions. [2022-10-16 11:33:49,913 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 505 transitions. Word has length 16 [2022-10-16 11:33:49,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:33:49,913 INFO L495 AbstractCegarLoop]: Abstraction has 376 states and 505 transitions. [2022-10-16 11:33:49,913 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 11:33:49,914 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 505 transitions. [2022-10-16 11:33:49,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-16 11:33:49,914 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:33:49,915 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:33:49,955 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-10-16 11:33:50,128 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 11:33:50,129 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 11:33:50,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:33:50,130 INFO L85 PathProgramCache]: Analyzing trace with hash -847632858, now seen corresponding path program 2 times [2022-10-16 11:33:50,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:33:50,131 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564682326] [2022-10-16 11:33:50,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:33:50,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:33:50,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:50,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 11:33:50,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:50,391 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 11:33:50,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:33:50,391 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564682326] [2022-10-16 11:33:50,392 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564682326] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 11:33:50,392 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 11:33:50,392 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 11:33:50,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306323787] [2022-10-16 11:33:50,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 11:33:50,393 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 11:33:50,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:33:50,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 11:33:50,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 11:33:50,394 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 11:33:51,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:33:51,274 INFO L93 Difference]: Finished difference Result 389 states and 520 transitions. [2022-10-16 11:33:51,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 11:33:51,275 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 11:33:51,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:33:51,278 INFO L225 Difference]: With dead ends: 389 [2022-10-16 11:33:51,279 INFO L226 Difference]: Without dead ends: 387 [2022-10-16 11:33:51,279 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 11:33:51,281 INFO L413 NwaCegarLoop]: 469 mSDtfsCounter, 89 mSDsluCounter, 989 mSDsCounter, 0 mSdLazyCounter, 357 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s 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, 0.8s IncrementalHoareTripleChecker+Time [2022-10-16 11:33:51,281 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 1458 Invalid, 435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 357 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-16 11:33:51,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2022-10-16 11:33:51,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 379. [2022-10-16 11:33:51,304 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 11:33:51,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 508 transitions. [2022-10-16 11:33:51,311 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 508 transitions. Word has length 24 [2022-10-16 11:33:51,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:33:51,311 INFO L495 AbstractCegarLoop]: Abstraction has 379 states and 508 transitions. [2022-10-16 11:33:51,312 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 11:33:51,312 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 508 transitions. [2022-10-16 11:33:51,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-16 11:33:51,313 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:33:51,314 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 11:33:51,314 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 11:33:51,314 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 11:33:51,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:33:51,315 INFO L85 PathProgramCache]: Analyzing trace with hash -1702041758, now seen corresponding path program 1 times [2022-10-16 11:33:51,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:33:51,315 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555682859] [2022-10-16 11:33:51,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:33:51,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:33:51,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:51,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 11:33:51,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:51,671 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 11:33:51,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:33:51,672 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555682859] [2022-10-16 11:33:51,672 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555682859] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 11:33:51,672 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [185500837] [2022-10-16 11:33:51,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:33:51,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:33:51,673 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 11:33:51,674 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 11:33:51,693 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 11:33:51,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:51,986 INFO L263 TraceCheckSpWp]: Trace formula consists of 851 conjuncts, 8 conjunts are in the unsatisfiable core [2022-10-16 11:33:51,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 11:33:52,084 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 11:33:52,084 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 11:33:52,217 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 11:33:52,218 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [185500837] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 11:33:52,218 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 11:33:52,218 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 9, 9] total 20 [2022-10-16 11:33:52,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256477701] [2022-10-16 11:33:52,219 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 11:33:52,219 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-10-16 11:33:52,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:33:52,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-10-16 11:33:52,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=292, Unknown=0, NotChecked=0, Total=380 [2022-10-16 11:33:52,221 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 11:33:53,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:33:53,557 INFO L93 Difference]: Finished difference Result 760 states and 1022 transitions. [2022-10-16 11:33:53,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-10-16 11:33:53,558 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 11:33:53,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:33:53,562 INFO L225 Difference]: With dead ends: 760 [2022-10-16 11:33:53,562 INFO L226 Difference]: Without dead ends: 398 [2022-10-16 11:33:53,564 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 11:33:53,566 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 11:33:53,566 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 11:33:53,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2022-10-16 11:33:53,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 390. [2022-10-16 11:33:53,587 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 11:33:53,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 518 transitions. [2022-10-16 11:33:53,591 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 518 transitions. Word has length 28 [2022-10-16 11:33:53,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:33:53,591 INFO L495 AbstractCegarLoop]: Abstraction has 390 states and 518 transitions. [2022-10-16 11:33:53,592 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 11:33:53,592 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 518 transitions. [2022-10-16 11:33:53,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-16 11:33:53,595 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:33:53,595 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 11:33:53,635 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-10-16 11:33:53,809 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 11:33:53,810 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 11:33:53,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:33:53,811 INFO L85 PathProgramCache]: Analyzing trace with hash -178024015, now seen corresponding path program 1 times [2022-10-16 11:33:53,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:33:53,812 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128887688] [2022-10-16 11:33:53,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:33:53,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:33:53,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:54,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 11:33:54,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:54,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-16 11:33:54,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:54,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-10-16 11:33:54,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:54,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 11:33:54,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:54,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-10-16 11:33:54,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:54,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-10-16 11:33:54,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:54,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-10-16 11:33:54,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:54,484 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 11:33:54,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:33:54,484 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128887688] [2022-10-16 11:33:54,485 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128887688] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 11:33:54,485 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 11:33:54,485 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 11:33:54,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121539742] [2022-10-16 11:33:54,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 11:33:54,488 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 11:33:54,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:33:54,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 11:33:54,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 11:33:54,489 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 11:33:55,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:33:55,758 INFO L93 Difference]: Finished difference Result 998 states and 1350 transitions. [2022-10-16 11:33:55,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 11:33:55,758 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 11:33:55,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:33:55,768 INFO L225 Difference]: With dead ends: 998 [2022-10-16 11:33:55,768 INFO L226 Difference]: Without dead ends: 682 [2022-10-16 11:33:55,770 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 11:33:55,772 INFO L413 NwaCegarLoop]: 511 mSDtfsCounter, 503 mSDsluCounter, 981 mSDsCounter, 0 mSdLazyCounter, 428 mSolverCounterSat, 179 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s 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, 1.2s IncrementalHoareTripleChecker+Time [2022-10-16 11:33:55,773 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [541 Valid, 1492 Invalid, 607 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [179 Valid, 428 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-10-16 11:33:55,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 682 states. [2022-10-16 11:33:55,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 682 to 660. [2022-10-16 11:33:55,854 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 11:33:55,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 660 states and 898 transitions. [2022-10-16 11:33:55,859 INFO L78 Accepts]: Start accepts. Automaton has 660 states and 898 transitions. Word has length 79 [2022-10-16 11:33:55,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:33:55,860 INFO L495 AbstractCegarLoop]: Abstraction has 660 states and 898 transitions. [2022-10-16 11:33:55,860 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 11:33:55,860 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 898 transitions. [2022-10-16 11:33:55,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-16 11:33:55,863 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:33:55,863 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 11:33:55,863 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 11:33:55,864 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 11:33:55,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:33:55,864 INFO L85 PathProgramCache]: Analyzing trace with hash -1159789199, now seen corresponding path program 1 times [2022-10-16 11:33:55,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:33:55,865 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987916431] [2022-10-16 11:33:55,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:33:55,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:33:55,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:56,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 11:33:56,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:56,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-16 11:33:56,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:56,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-10-16 11:33:56,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:56,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 11:33:56,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:56,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-10-16 11:33:56,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:56,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-10-16 11:33:56,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:56,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-10-16 11:33:56,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:56,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-10-16 11:33:56,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:56,837 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 11:33:56,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:33:56,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987916431] [2022-10-16 11:33:56,838 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [987916431] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 11:33:56,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [912799330] [2022-10-16 11:33:56,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:33:56,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:33:56,839 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 11:33:56,840 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 11:33:56,858 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 11:33:57,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:57,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 1073 conjuncts, 16 conjunts are in the unsatisfiable core [2022-10-16 11:33:57,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 11:33:57,312 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 11:33:57,316 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 11:33:57,553 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 11:33:57,554 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [912799330] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 11:33:57,554 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 11:33:57,554 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 17, 17] total 24 [2022-10-16 11:33:57,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282014849] [2022-10-16 11:33:57,555 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 11:33:57,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-10-16 11:33:57,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:33:57,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-10-16 11:33:57,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=407, Unknown=0, NotChecked=0, Total=552 [2022-10-16 11:33:57,557 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 11:33:58,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:33:58,883 INFO L93 Difference]: Finished difference Result 1315 states and 1796 transitions. [2022-10-16 11:33:58,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-10-16 11:33:58,884 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 11:33:58,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:33:58,890 INFO L225 Difference]: With dead ends: 1315 [2022-10-16 11:33:58,890 INFO L226 Difference]: Without dead ends: 688 [2022-10-16 11:33:58,893 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 180 SyntacticMatches, 11 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 373 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=300, Invalid=756, Unknown=0, NotChecked=0, Total=1056 [2022-10-16 11:33:58,894 INFO L413 NwaCegarLoop]: 464 mSDtfsCounter, 156 mSDsluCounter, 1721 mSDsCounter, 0 mSdLazyCounter, 629 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s 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, 1.1s IncrementalHoareTripleChecker+Time [2022-10-16 11:33:58,894 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 2185 Invalid, 713 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 629 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-10-16 11:33:58,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 688 states. [2022-10-16 11:33:58,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 688 to 672. [2022-10-16 11:33:58,933 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 11:33:58,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 672 states and 910 transitions. [2022-10-16 11:33:58,939 INFO L78 Accepts]: Start accepts. Automaton has 672 states and 910 transitions. Word has length 91 [2022-10-16 11:33:58,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:33:58,939 INFO L495 AbstractCegarLoop]: Abstraction has 672 states and 910 transitions. [2022-10-16 11:33:58,940 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 11:33:58,940 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 910 transitions. [2022-10-16 11:33:58,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-10-16 11:33:58,942 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:33:58,942 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 11:33:58,990 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 11:33:59,157 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 11:33:59,157 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 11:33:59,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:33:59,158 INFO L85 PathProgramCache]: Analyzing trace with hash -784019267, now seen corresponding path program 2 times [2022-10-16 11:33:59,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:33:59,159 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144548453] [2022-10-16 11:33:59,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:33:59,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:33:59,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:59,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 11:33:59,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:59,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-10-16 11:33:59,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:59,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-10-16 11:33:59,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:59,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 11:33:59,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:59,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-10-16 11:33:59,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:59,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-10-16 11:33:59,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:59,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-10-16 11:33:59,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:59,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-10-16 11:33:59,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:59,638 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 11:33:59,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:33:59,639 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144548453] [2022-10-16 11:33:59,639 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1144548453] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 11:33:59,639 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 11:33:59,639 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 11:33:59,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420656221] [2022-10-16 11:33:59,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 11:33:59,640 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 11:33:59,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:33:59,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 11:33:59,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 11:33:59,642 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 11:34:00,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:34:00,674 INFO L93 Difference]: Finished difference Result 698 states and 930 transitions. [2022-10-16 11:34:00,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 11:34:00,675 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 11:34:00,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:34:00,679 INFO L225 Difference]: With dead ends: 698 [2022-10-16 11:34:00,679 INFO L226 Difference]: Without dead ends: 418 [2022-10-16 11:34:00,682 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 11:34:00,685 INFO L413 NwaCegarLoop]: 468 mSDtfsCounter, 86 mSDsluCounter, 1367 mSDsCounter, 0 mSdLazyCounter, 451 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s 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, 1.0s IncrementalHoareTripleChecker+Time [2022-10-16 11:34:00,685 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 1835 Invalid, 527 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 451 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-10-16 11:34:00,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2022-10-16 11:34:00,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 410. [2022-10-16 11:34:00,709 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 11:34:00,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 533 transitions. [2022-10-16 11:34:00,713 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 533 transitions. Word has length 103 [2022-10-16 11:34:00,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:34:00,714 INFO L495 AbstractCegarLoop]: Abstraction has 410 states and 533 transitions. [2022-10-16 11:34:00,714 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 11:34:00,714 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 533 transitions. [2022-10-16 11:34:00,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-10-16 11:34:00,723 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:34:00,724 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 11:34:00,724 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 11:34:00,724 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 11:34:00,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:34:00,725 INFO L85 PathProgramCache]: Analyzing trace with hash -902443541, now seen corresponding path program 1 times [2022-10-16 11:34:00,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:34:00,725 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659945593] [2022-10-16 11:34:00,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:34:00,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:34:00,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:01,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 11:34:01,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:01,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-10-16 11:34:01,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:01,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-10-16 11:34:01,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:01,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 11:34:01,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:01,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-10-16 11:34:01,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:01,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-16 11:34:01,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:01,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-10-16 11:34:01,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:01,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-10-16 11:34:01,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:01,319 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 11:34:01,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:34:01,320 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659945593] [2022-10-16 11:34:01,320 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659945593] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 11:34:01,320 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 11:34:01,320 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 11:34:01,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240736142] [2022-10-16 11:34:01,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 11:34:01,321 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 11:34:01,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:34:01,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 11:34:01,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 11:34:01,322 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 11:34:02,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:34:02,443 INFO L93 Difference]: Finished difference Result 885 states and 1157 transitions. [2022-10-16 11:34:02,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 11:34:02,444 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 11:34:02,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:34:02,449 INFO L225 Difference]: With dead ends: 885 [2022-10-16 11:34:02,450 INFO L226 Difference]: Without dead ends: 566 [2022-10-16 11:34:02,454 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 11:34:02,455 INFO L413 NwaCegarLoop]: 511 mSDtfsCounter, 261 mSDsluCounter, 968 mSDsCounter, 0 mSdLazyCounter, 402 mSolverCounterSat, 129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s 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, 1.0s IncrementalHoareTripleChecker+Time [2022-10-16 11:34:02,456 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [290 Valid, 1479 Invalid, 531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [129 Valid, 402 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-10-16 11:34:02,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 566 states. [2022-10-16 11:34:02,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 566 to 550. [2022-10-16 11:34:02,493 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 11:34:02,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 550 states and 706 transitions. [2022-10-16 11:34:02,497 INFO L78 Accepts]: Start accepts. Automaton has 550 states and 706 transitions. Word has length 102 [2022-10-16 11:34:02,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:34:02,499 INFO L495 AbstractCegarLoop]: Abstraction has 550 states and 706 transitions. [2022-10-16 11:34:02,499 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 11:34:02,499 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 706 transitions. [2022-10-16 11:34:02,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2022-10-16 11:34:02,505 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:34:02,505 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 11:34:02,505 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 11:34:02,505 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 11:34:02,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:34:02,507 INFO L85 PathProgramCache]: Analyzing trace with hash -1822031, now seen corresponding path program 1 times [2022-10-16 11:34:02,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:34:02,507 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625790174] [2022-10-16 11:34:02,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:34:02,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:34:02,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:03,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 11:34:03,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:03,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-10-16 11:34:03,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:03,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-10-16 11:34:03,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:03,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 11:34:03,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:03,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-10-16 11:34:03,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:03,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-16 11:34:03,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:03,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-10-16 11:34:03,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:03,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-10-16 11:34:03,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:03,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 11:34:03,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:03,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-10-16 11:34:03,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:03,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-10-16 11:34:03,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:03,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-10-16 11:34:03,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:03,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-10-16 11:34:03,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:03,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 11:34:03,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:03,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 11:34:03,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:03,166 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 11:34:03,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:34:03,167 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625790174] [2022-10-16 11:34:03,167 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [625790174] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 11:34:03,167 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 11:34:03,167 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 11:34:03,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947091681] [2022-10-16 11:34:03,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 11:34:03,168 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 11:34:03,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:34:03,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 11:34:03,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 11:34:03,170 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 11:34:05,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:34:05,503 INFO L93 Difference]: Finished difference Result 1340 states and 1756 transitions. [2022-10-16 11:34:05,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 11:34:05,504 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 11:34:05,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:34:05,511 INFO L225 Difference]: With dead ends: 1340 [2022-10-16 11:34:05,511 INFO L226 Difference]: Without dead ends: 954 [2022-10-16 11:34:05,513 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 11:34:05,514 INFO L413 NwaCegarLoop]: 448 mSDtfsCounter, 914 mSDsluCounter, 652 mSDsCounter, 0 mSdLazyCounter, 975 mSolverCounterSat, 606 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s 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, 2.1s IncrementalHoareTripleChecker+Time [2022-10-16 11:34:05,514 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [962 Valid, 1100 Invalid, 1581 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [606 Valid, 975 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-10-16 11:34:05,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 954 states. [2022-10-16 11:34:05,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 954 to 924. [2022-10-16 11:34:05,586 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 11:34:05,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 924 states and 1209 transitions. [2022-10-16 11:34:05,592 INFO L78 Accepts]: Start accepts. Automaton has 924 states and 1209 transitions. Word has length 137 [2022-10-16 11:34:05,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:34:05,593 INFO L495 AbstractCegarLoop]: Abstraction has 924 states and 1209 transitions. [2022-10-16 11:34:05,593 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 11:34:05,594 INFO L276 IsEmpty]: Start isEmpty. Operand 924 states and 1209 transitions. [2022-10-16 11:34:05,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-10-16 11:34:05,596 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:34:05,596 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 11:34:05,596 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 11:34:05,597 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 11:34:05,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:34:05,597 INFO L85 PathProgramCache]: Analyzing trace with hash 1697507793, now seen corresponding path program 1 times [2022-10-16 11:34:05,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:34:05,598 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11551313] [2022-10-16 11:34:05,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:34:05,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:34:05,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:06,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 11:34:06,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:06,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-10-16 11:34:06,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:06,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-10-16 11:34:06,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:06,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 11:34:06,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:06,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-10-16 11:34:06,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:06,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-16 11:34:06,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:06,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-10-16 11:34:06,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:06,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-10-16 11:34:06,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:06,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 11:34:06,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:06,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-10-16 11:34:06,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:06,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-10-16 11:34:06,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:06,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-10-16 11:34:06,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:06,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-10-16 11:34:06,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:06,776 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 11:34:06,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:34:06,776 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11551313] [2022-10-16 11:34:06,777 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [11551313] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 11:34:06,777 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 11:34:06,777 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 11:34:06,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433443840] [2022-10-16 11:34:06,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 11:34:06,778 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 11:34:06,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:34:06,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 11:34:06,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 11:34:06,779 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 11:34:08,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:34:08,133 INFO L93 Difference]: Finished difference Result 2328 states and 3139 transitions. [2022-10-16 11:34:08,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 11:34:08,134 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 11:34:08,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:34:08,145 INFO L225 Difference]: With dead ends: 2328 [2022-10-16 11:34:08,146 INFO L226 Difference]: Without dead ends: 1408 [2022-10-16 11:34:08,150 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 11:34:08,151 INFO L413 NwaCegarLoop]: 523 mSDtfsCounter, 623 mSDsluCounter, 484 mSDsCounter, 0 mSdLazyCounter, 316 mSolverCounterSat, 296 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s 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, 1.1s IncrementalHoareTripleChecker+Time [2022-10-16 11:34:08,152 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [660 Valid, 1007 Invalid, 612 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [296 Valid, 316 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-10-16 11:34:08,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1408 states. [2022-10-16 11:34:08,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1408 to 1267. [2022-10-16 11:34:08,288 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 11:34:08,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1267 states to 1267 states and 1719 transitions. [2022-10-16 11:34:08,305 INFO L78 Accepts]: Start accepts. Automaton has 1267 states and 1719 transitions. Word has length 138 [2022-10-16 11:34:08,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:34:08,305 INFO L495 AbstractCegarLoop]: Abstraction has 1267 states and 1719 transitions. [2022-10-16 11:34:08,306 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 11:34:08,306 INFO L276 IsEmpty]: Start isEmpty. Operand 1267 states and 1719 transitions. [2022-10-16 11:34:08,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2022-10-16 11:34:08,311 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:34:08,311 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 11:34:08,312 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 11:34:08,312 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 11:34:08,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:34:08,313 INFO L85 PathProgramCache]: Analyzing trace with hash -330265392, now seen corresponding path program 1 times [2022-10-16 11:34:08,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:34:08,313 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246063967] [2022-10-16 11:34:08,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:34:08,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:34:09,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:13,120 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 11:34:13,121 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 11:34:13,128 INFO L158 Benchmark]: Toolchain (without parser) took 35675.05ms. Allocated memory was 155.2MB in the beginning and 497.0MB in the end (delta: 341.8MB). Free memory was 124.1MB in the beginning and 176.0MB in the end (delta: -51.9MB). Peak memory consumption was 292.7MB. Max. memory is 8.0GB. [2022-10-16 11:34:13,128 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 155.2MB. Free memory is still 124.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-10-16 11:34:13,128 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2201.91ms. Allocated memory is still 155.2MB. Free memory was 123.9MB in the beginning and 65.1MB in the end (delta: 58.8MB). Peak memory consumption was 59.2MB. Max. memory is 8.0GB. [2022-10-16 11:34:13,129 INFO L158 Benchmark]: Boogie Procedure Inliner took 254.73ms. Allocated memory is still 155.2MB. Free memory was 65.1MB in the beginning and 55.7MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-10-16 11:34:13,129 INFO L158 Benchmark]: Boogie Preprocessor took 190.05ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 55.7MB in the beginning and 158.6MB in the end (delta: -102.9MB). Peak memory consumption was 13.4MB. Max. memory is 8.0GB. [2022-10-16 11:34:13,129 INFO L158 Benchmark]: RCFGBuilder took 3026.36ms. Allocated memory is still 186.6MB. Free memory was 158.6MB in the beginning and 99.9MB in the end (delta: 58.7MB). Peak memory consumption was 106.7MB. Max. memory is 8.0GB. [2022-10-16 11:34:13,130 INFO L158 Benchmark]: TraceAbstraction took 29986.95ms. Allocated memory was 186.6MB in the beginning and 497.0MB in the end (delta: 310.4MB). Free memory was 98.9MB in the beginning and 176.0MB in the end (delta: -77.2MB). Peak memory consumption was 235.3MB. Max. memory is 8.0GB. [2022-10-16 11:34:13,135 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 155.2MB. Free memory is still 124.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 2201.91ms. Allocated memory is still 155.2MB. Free memory was 123.9MB in the beginning and 65.1MB in the end (delta: 58.8MB). Peak memory consumption was 59.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 254.73ms. Allocated memory is still 155.2MB. Free memory was 65.1MB in the beginning and 55.7MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * Boogie Preprocessor took 190.05ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 55.7MB in the beginning and 158.6MB in the end (delta: -102.9MB). Peak memory consumption was 13.4MB. Max. memory is 8.0GB. * RCFGBuilder took 3026.36ms. Allocated memory is still 186.6MB. Free memory was 158.6MB in the beginning and 99.9MB in the end (delta: 58.7MB). Peak memory consumption was 106.7MB. Max. memory is 8.0GB. * TraceAbstraction took 29986.95ms. Allocated memory was 186.6MB in the beginning and 497.0MB in the end (delta: 310.4MB). Free memory was 98.9MB in the beginning and 176.0MB in the end (delta: -77.2MB). Peak memory consumption was 235.3MB. 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 11:34:13,193 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...