/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/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--abituguru3.ko-main.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 12:45:14,727 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 12:45:14,731 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 12:45:14,791 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 12:45:14,792 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 12:45:14,797 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 12:45:14,802 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 12:45:14,812 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 12:45:14,815 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 12:45:14,823 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 12:45:14,824 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 12:45:14,825 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 12:45:14,826 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 12:45:14,827 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 12:45:14,828 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 12:45:14,829 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 12:45:14,830 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 12:45:14,831 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 12:45:14,833 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 12:45:14,836 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 12:45:14,838 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 12:45:14,839 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 12:45:14,841 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 12:45:14,842 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 12:45:14,846 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 12:45:14,847 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 12:45:14,847 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 12:45:14,849 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 12:45:14,849 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 12:45:14,850 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 12:45:14,851 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 12:45:14,852 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 12:45:14,853 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 12:45:14,853 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 12:45:14,855 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 12:45:14,855 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 12:45:14,856 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 12:45:14,856 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 12:45:14,857 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 12:45:14,858 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 12:45:14,859 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 12:45:14,862 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 12:45:14,893 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 12:45:14,894 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 12:45:14,894 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 12:45:14,894 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 12:45:14,895 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 12:45:14,896 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 12:45:14,896 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 12:45:14,897 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 12:45:14,897 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 12:45:14,897 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 12:45:14,897 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 12:45:14,898 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 12:45:14,898 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 12:45:14,898 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 12:45:14,898 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 12:45:14,899 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 12:45:14,899 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 12:45:14,899 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 12:45:14,899 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 12:45:14,899 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 12:45:14,900 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 12:45:14,900 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 12:45:14,900 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 12:45:14,900 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 12:45:14,901 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 12:45:14,901 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 12:45:14,901 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 12:45:14,901 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 12:45:14,902 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 12:45:14,902 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 12:45:14,902 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 12:45:14,902 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 12:45:14,902 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 12:45:14,903 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 12:45:15,270 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 12:45:15,296 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 12:45:15,300 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 12:45:15,301 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 12:45:15,302 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 12:45:15,304 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--abituguru3.ko-main.cil.out.i [2022-10-16 12:45:15,377 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e32067af/e9a883900c6945a8be1c8588628bafd5/FLAG3ecde55c4 [2022-10-16 12:45:16,346 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 12:45:16,348 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--abituguru3.ko-main.cil.out.i [2022-10-16 12:45:16,406 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e32067af/e9a883900c6945a8be1c8588628bafd5/FLAG3ecde55c4 [2022-10-16 12:45:16,822 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e32067af/e9a883900c6945a8be1c8588628bafd5 [2022-10-16 12:45:16,826 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 12:45:16,836 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 12:45:16,838 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 12:45:16,838 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 12:45:16,843 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 12:45:16,845 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:45:16" (1/1) ... [2022-10-16 12:45:16,848 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f3a1dcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:45:16, skipping insertion in model container [2022-10-16 12:45:16,848 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:45:16" (1/1) ... [2022-10-16 12:45:16,858 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 12:45:16,974 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 12:45:18,149 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/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--abituguru3.ko-main.cil.out.i[132927,132940] [2022-10-16 12:45:18,237 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 12:45:18,373 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 12:45:18,691 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--abituguru3.ko-main.cil.out.i[132927,132940] [2022-10-16 12:45:18,722 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 12:45:18,954 INFO L208 MainTranslator]: Completed translation [2022-10-16 12:45:18,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:45:18 WrapperNode [2022-10-16 12:45:18,955 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 12:45:18,956 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 12:45:18,956 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 12:45:18,956 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 12:45:18,965 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:45:18" (1/1) ... [2022-10-16 12:45:19,099 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:45:18" (1/1) ... [2022-10-16 12:45:19,362 INFO L138 Inliner]: procedures = 133, calls = 4943, calls flagged for inlining = 57, calls inlined = 51, statements flattened = 6076 [2022-10-16 12:45:19,363 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 12:45:19,364 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 12:45:19,365 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 12:45:19,365 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 12:45:19,376 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:45:18" (1/1) ... [2022-10-16 12:45:19,377 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:45:18" (1/1) ... [2022-10-16 12:45:19,483 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:45:18" (1/1) ... [2022-10-16 12:45:19,484 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:45:18" (1/1) ... [2022-10-16 12:45:19,690 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:45:18" (1/1) ... [2022-10-16 12:45:19,717 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:45:18" (1/1) ... [2022-10-16 12:45:19,747 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:45:18" (1/1) ... [2022-10-16 12:45:19,774 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:45:18" (1/1) ... [2022-10-16 12:45:19,861 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 12:45:19,863 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 12:45:19,863 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 12:45:19,863 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 12:45:19,865 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:45:18" (1/1) ... [2022-10-16 12:45:19,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 12:45:19,888 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:45:19,909 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 12:45:19,924 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 12:45:19,973 INFO L130 BoogieDeclarations]: Found specification of procedure abituguru3_wait_while_busy [2022-10-16 12:45:19,974 INFO L138 BoogieDeclarations]: Found implementation of procedure abituguru3_wait_while_busy [2022-10-16 12:45:19,974 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-10-16 12:45:19,974 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-10-16 12:45:19,974 INFO L130 BoogieDeclarations]: Found specification of procedure abituguru3_wait_for_read [2022-10-16 12:45:19,975 INFO L138 BoogieDeclarations]: Found implementation of procedure abituguru3_wait_for_read [2022-10-16 12:45:19,975 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-10-16 12:45:19,975 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-10-16 12:45:19,975 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2022-10-16 12:45:19,975 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2022-10-16 12:45:19,975 INFO L130 BoogieDeclarations]: Found specification of procedure dmi_get_system_info [2022-10-16 12:45:19,975 INFO L138 BoogieDeclarations]: Found implementation of procedure dmi_get_system_info [2022-10-16 12:45:19,976 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-16 12:45:19,976 INFO L130 BoogieDeclarations]: Found specification of procedure abituguru3_read [2022-10-16 12:45:19,976 INFO L138 BoogieDeclarations]: Found implementation of procedure abituguru3_read [2022-10-16 12:45:19,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-16 12:45:19,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-16 12:45:19,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-16 12:45:19,977 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-10-16 12:45:19,977 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-10-16 12:45:19,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-16 12:45:19,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-16 12:45:19,977 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2022-10-16 12:45:19,977 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2022-10-16 12:45:19,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_update_lock_of_abituguru3_data [2022-10-16 12:45:19,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_update_lock_of_abituguru3_data [2022-10-16 12:45:19,978 INFO L130 BoogieDeclarations]: Found specification of procedure abituguru3_suspend [2022-10-16 12:45:19,978 INFO L138 BoogieDeclarations]: Found implementation of procedure abituguru3_suspend [2022-10-16 12:45:19,978 INFO L130 BoogieDeclarations]: Found specification of procedure abituguru3_read_increment_offset [2022-10-16 12:45:19,978 INFO L138 BoogieDeclarations]: Found implementation of procedure abituguru3_read_increment_offset [2022-10-16 12:45:19,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-16 12:45:19,978 INFO L130 BoogieDeclarations]: Found specification of procedure inb_p [2022-10-16 12:45:19,978 INFO L138 BoogieDeclarations]: Found implementation of procedure inb_p [2022-10-16 12:45:19,979 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-10-16 12:45:19,979 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-10-16 12:45:19,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 12:45:19,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-16 12:45:19,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-16 12:45:19,979 INFO L130 BoogieDeclarations]: Found specification of procedure abituguru3_update_device [2022-10-16 12:45:19,980 INFO L138 BoogieDeclarations]: Found implementation of procedure abituguru3_update_device [2022-10-16 12:45:19,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-16 12:45:19,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-16 12:45:19,980 INFO L130 BoogieDeclarations]: Found specification of procedure platform_set_drvdata [2022-10-16 12:45:19,980 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_set_drvdata [2022-10-16 12:45:19,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-16 12:45:19,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_update_lock_of_abituguru3_data [2022-10-16 12:45:19,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_update_lock_of_abituguru3_data [2022-10-16 12:45:19,981 INFO L130 BoogieDeclarations]: Found specification of procedure strcspn [2022-10-16 12:45:19,981 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-10-16 12:45:19,981 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-10-16 12:45:19,982 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-10-16 12:45:19,982 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-10-16 12:45:19,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 12:45:19,982 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2022-10-16 12:45:19,983 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2022-10-16 12:45:19,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 12:45:19,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 12:45:19,984 INFO L130 BoogieDeclarations]: Found specification of procedure abituguru3_resume [2022-10-16 12:45:19,984 INFO L138 BoogieDeclarations]: Found implementation of procedure abituguru3_resume [2022-10-16 12:45:19,984 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-10-16 12:45:19,984 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-10-16 12:45:20,337 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 12:45:20,340 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 12:45:34,932 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 12:45:34,959 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 12:45:34,959 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 12:45:34,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:45:34 BoogieIcfgContainer [2022-10-16 12:45:34,964 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 12:45:34,969 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 12:45:34,969 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 12:45:34,974 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 12:45:34,974 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 12:45:16" (1/3) ... [2022-10-16 12:45:34,975 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63621d55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:45:34, skipping insertion in model container [2022-10-16 12:45:34,975 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:45:18" (2/3) ... [2022-10-16 12:45:34,976 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63621d55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:45:34, skipping insertion in model container [2022-10-16 12:45:34,976 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:45:34" (3/3) ... [2022-10-16 12:45:34,980 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--hwmon--abituguru3.ko-main.cil.out.i [2022-10-16 12:45:35,003 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 12:45:35,004 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 78 error locations. [2022-10-16 12:45:35,109 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 12:45:35,123 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;@342fbe98, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 12:45:35,123 INFO L358 AbstractCegarLoop]: Starting to check reachability of 78 error locations. [2022-10-16 12:45:35,134 INFO L276 IsEmpty]: Start isEmpty. Operand has 645 states, 464 states have (on average 1.5344827586206897) internal successors, (712), 550 states have internal predecessors, (712), 78 states have call successors, (78), 24 states have call predecessors, (78), 24 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2022-10-16 12:45:35,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-16 12:45:35,151 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:45:35,152 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:45:35,154 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [abituguru3_wait_while_busyErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, abituguru3_wait_while_busyErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 76 more)] === [2022-10-16 12:45:35,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:45:35,164 INFO L85 PathProgramCache]: Analyzing trace with hash -1240126441, now seen corresponding path program 1 times [2022-10-16 12:45:35,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:45:35,175 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097265190] [2022-10-16 12:45:35,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:45:35,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:45:36,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:45:37,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 12:45:37,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:45:37,074 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 12:45:37,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:45:37,075 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097265190] [2022-10-16 12:45:37,076 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2097265190] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:45:37,076 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:45:37,077 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 12:45:37,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160377524] [2022-10-16 12:45:37,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:45:37,085 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:45:37,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:45:37,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:45:37,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:45:37,125 INFO L87 Difference]: Start difference. First operand has 645 states, 464 states have (on average 1.5344827586206897) internal successors, (712), 550 states have internal predecessors, (712), 78 states have call successors, (78), 24 states have call predecessors, (78), 24 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 3 states have internal predecessors, (17), 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 12:45:39,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:45:39,155 INFO L93 Difference]: Finished difference Result 1610 states and 2268 transitions. [2022-10-16 12:45:39,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 12:45:39,159 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 3 states have internal predecessors, (17), 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 19 [2022-10-16 12:45:39,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:45:39,200 INFO L225 Difference]: With dead ends: 1610 [2022-10-16 12:45:39,200 INFO L226 Difference]: Without dead ends: 929 [2022-10-16 12:45:39,215 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:45:39,221 INFO L413 NwaCegarLoop]: 896 mSDtfsCounter, 639 mSDsluCounter, 1071 mSDsCounter, 0 mSdLazyCounter, 444 mSolverCounterSat, 151 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 690 SdHoareTripleChecker+Valid, 1967 SdHoareTripleChecker+Invalid, 595 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 151 IncrementalHoareTripleChecker+Valid, 444 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-10-16 12:45:39,222 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [690 Valid, 1967 Invalid, 595 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [151 Valid, 444 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-10-16 12:45:39,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 929 states. [2022-10-16 12:45:39,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 929 to 825. [2022-10-16 12:45:39,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 825 states, 632 states have (on average 1.509493670886076) internal successors, (954), 700 states have internal predecessors, (954), 92 states have call successors, (92), 35 states have call predecessors, (92), 35 states have return successors, (92), 92 states have call predecessors, (92), 92 states have call successors, (92) [2022-10-16 12:45:39,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 825 states to 825 states and 1138 transitions. [2022-10-16 12:45:39,427 INFO L78 Accepts]: Start accepts. Automaton has 825 states and 1138 transitions. Word has length 19 [2022-10-16 12:45:39,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:45:39,436 INFO L495 AbstractCegarLoop]: Abstraction has 825 states and 1138 transitions. [2022-10-16 12:45:39,437 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 3 states have internal predecessors, (17), 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 12:45:39,437 INFO L276 IsEmpty]: Start isEmpty. Operand 825 states and 1138 transitions. [2022-10-16 12:45:39,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-16 12:45:39,445 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:45:39,445 INFO L195 NwaCegarLoop]: trace histogram [1, 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 12:45:39,448 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 12:45:39,448 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [abituguru3_wait_while_busyErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, abituguru3_wait_while_busyErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 76 more)] === [2022-10-16 12:45:39,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:45:39,450 INFO L85 PathProgramCache]: Analyzing trace with hash 226712213, now seen corresponding path program 1 times [2022-10-16 12:45:39,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:45:39,450 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45333579] [2022-10-16 12:45:39,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:45:39,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:45:39,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:45:40,772 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 12:45:40,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:45:40,774 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45333579] [2022-10-16 12:45:40,774 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [45333579] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:45:40,775 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:45:40,775 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 12:45:40,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200590610] [2022-10-16 12:45:40,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:45:40,777 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 12:45:40,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:45:40,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 12:45:40,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:45:40,779 INFO L87 Difference]: Start difference. First operand 825 states and 1138 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 12:45:41,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:45:41,257 INFO L93 Difference]: Finished difference Result 2230 states and 3029 transitions. [2022-10-16 12:45:41,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 12:45:41,258 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2022-10-16 12:45:41,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:45:41,268 INFO L225 Difference]: With dead ends: 2230 [2022-10-16 12:45:41,268 INFO L226 Difference]: Without dead ends: 1408 [2022-10-16 12:45:41,272 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:45:41,274 INFO L413 NwaCegarLoop]: 1116 mSDtfsCounter, 634 mSDsluCounter, 757 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 634 SdHoareTripleChecker+Valid, 1873 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 12:45:41,275 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [634 Valid, 1873 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 12:45:41,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1408 states. [2022-10-16 12:45:41,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1408 to 1346. [2022-10-16 12:45:41,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1346 states, 1060 states have (on average 1.4849056603773585) internal successors, (1574), 1131 states have internal predecessors, (1574), 159 states have call successors, (159), 61 states have call predecessors, (159), 61 states have return successors, (159), 159 states have call predecessors, (159), 159 states have call successors, (159) [2022-10-16 12:45:41,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1346 states to 1346 states and 1892 transitions. [2022-10-16 12:45:41,355 INFO L78 Accepts]: Start accepts. Automaton has 1346 states and 1892 transitions. Word has length 25 [2022-10-16 12:45:41,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:45:41,355 INFO L495 AbstractCegarLoop]: Abstraction has 1346 states and 1892 transitions. [2022-10-16 12:45:41,356 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 12:45:41,356 INFO L276 IsEmpty]: Start isEmpty. Operand 1346 states and 1892 transitions. [2022-10-16 12:45:41,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-16 12:45:41,359 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:45:41,359 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:45:41,359 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 12:45:41,360 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [abituguru3_wait_while_busyErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, abituguru3_wait_while_busyErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 76 more)] === [2022-10-16 12:45:41,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:45:41,360 INFO L85 PathProgramCache]: Analyzing trace with hash -1479185363, now seen corresponding path program 1 times [2022-10-16 12:45:41,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:45:41,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60727492] [2022-10-16 12:45:41,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:45:41,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:45:41,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:45:43,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-16 12:45:43,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:45:43,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:45:43,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:45:43,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 12:45:43,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:45:43,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:45:43,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:45:43,105 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-16 12:45:43,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:45:43,106 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60727492] [2022-10-16 12:45:43,106 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [60727492] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:45:43,107 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:45:43,107 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 12:45:43,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921654268] [2022-10-16 12:45:43,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:45:43,108 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:45:43,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:45:43,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:45:43,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:45:43,110 INFO L87 Difference]: Start difference. First operand 1346 states and 1892 transitions. Second operand has 4 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-10-16 12:45:45,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:45:45,104 INFO L93 Difference]: Finished difference Result 2145 states and 3157 transitions. [2022-10-16 12:45:45,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 12:45:45,105 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 47 [2022-10-16 12:45:45,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:45:45,124 INFO L225 Difference]: With dead ends: 2145 [2022-10-16 12:45:45,124 INFO L226 Difference]: Without dead ends: 2143 [2022-10-16 12:45:45,126 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:45:45,128 INFO L413 NwaCegarLoop]: 1261 mSDtfsCounter, 645 mSDsluCounter, 1435 mSDsCounter, 0 mSdLazyCounter, 447 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 719 SdHoareTripleChecker+Valid, 2696 SdHoareTripleChecker+Invalid, 527 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-10-16 12:45:45,129 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [719 Valid, 2696 Invalid, 527 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 447 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-10-16 12:45:45,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2143 states. [2022-10-16 12:45:45,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2143 to 1394. [2022-10-16 12:45:45,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1394 states, 1108 states have (on average 1.4783393501805053) internal successors, (1638), 1179 states have internal predecessors, (1638), 159 states have call successors, (159), 61 states have call predecessors, (159), 61 states have return successors, (159), 159 states have call predecessors, (159), 159 states have call successors, (159) [2022-10-16 12:45:45,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1394 states to 1394 states and 1956 transitions. [2022-10-16 12:45:45,222 INFO L78 Accepts]: Start accepts. Automaton has 1394 states and 1956 transitions. Word has length 47 [2022-10-16 12:45:45,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:45:45,223 INFO L495 AbstractCegarLoop]: Abstraction has 1394 states and 1956 transitions. [2022-10-16 12:45:45,223 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-10-16 12:45:45,223 INFO L276 IsEmpty]: Start isEmpty. Operand 1394 states and 1956 transitions. [2022-10-16 12:45:45,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-16 12:45:45,227 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:45:45,227 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:45:45,227 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 12:45:45,228 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [abituguru3_wait_while_busyErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, abituguru3_wait_while_busyErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 76 more)] === [2022-10-16 12:45:45,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:45:45,228 INFO L85 PathProgramCache]: Analyzing trace with hash 357102479, now seen corresponding path program 1 times [2022-10-16 12:45:45,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:45:45,229 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063592790] [2022-10-16 12:45:45,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:45:45,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:45:45,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:45:46,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-16 12:45:46,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:45:46,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:45:46,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:45:46,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 12:45:46,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:45:46,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:45:46,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:45:46,915 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-16 12:45:46,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:45:46,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063592790] [2022-10-16 12:45:46,916 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2063592790] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 12:45:46,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [218227512] [2022-10-16 12:45:46,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:45:46,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:45:46,917 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:45:46,919 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 12:45:46,926 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 12:45:49,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:45:49,122 INFO L263 TraceCheckSpWp]: Trace formula consists of 11929 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 12:45:49,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 12:45:49,257 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-16 12:45:49,257 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 12:45:49,356 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-16 12:45:49,356 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [218227512] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 12:45:49,356 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 12:45:49,357 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 7 [2022-10-16 12:45:49,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146861976] [2022-10-16 12:45:49,368 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 12:45:49,369 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 12:45:49,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:45:49,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 12:45:49,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-10-16 12:45:49,370 INFO L87 Difference]: Start difference. First operand 1394 states and 1956 transitions. Second operand has 8 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 1 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-10-16 12:45:52,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:45:52,704 INFO L93 Difference]: Finished difference Result 4072 states and 6219 transitions. [2022-10-16 12:45:52,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 12:45:52,705 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 1 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 54 [2022-10-16 12:45:52,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:45:52,732 INFO L225 Difference]: With dead ends: 4072 [2022-10-16 12:45:52,732 INFO L226 Difference]: Without dead ends: 4071 [2022-10-16 12:45:52,734 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-10-16 12:45:52,736 INFO L413 NwaCegarLoop]: 1416 mSDtfsCounter, 2140 mSDsluCounter, 4593 mSDsCounter, 0 mSdLazyCounter, 1612 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2307 SdHoareTripleChecker+Valid, 6009 SdHoareTripleChecker+Invalid, 1738 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 1612 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-10-16 12:45:52,737 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2307 Valid, 6009 Invalid, 1738 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 1612 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-10-16 12:45:52,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4071 states. [2022-10-16 12:45:52,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4071 to 1534. [2022-10-16 12:45:52,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1534 states, 1248 states have (on average 1.4695512820512822) internal successors, (1834), 1319 states have internal predecessors, (1834), 159 states have call successors, (159), 61 states have call predecessors, (159), 61 states have return successors, (159), 159 states have call predecessors, (159), 159 states have call successors, (159) [2022-10-16 12:45:52,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1534 states to 1534 states and 2152 transitions. [2022-10-16 12:45:52,867 INFO L78 Accepts]: Start accepts. Automaton has 1534 states and 2152 transitions. Word has length 54 [2022-10-16 12:45:52,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:45:52,868 INFO L495 AbstractCegarLoop]: Abstraction has 1534 states and 2152 transitions. [2022-10-16 12:45:52,868 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 1 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-10-16 12:45:52,868 INFO L276 IsEmpty]: Start isEmpty. Operand 1534 states and 2152 transitions. [2022-10-16 12:45:52,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-16 12:45:52,871 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:45:52,871 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:45:52,924 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 12:45:53,086 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:45:53,087 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [abituguru3_wait_while_busyErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, abituguru3_wait_while_busyErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 76 more)] === [2022-10-16 12:45:53,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:45:53,088 INFO L85 PathProgramCache]: Analyzing trace with hash -163698317, now seen corresponding path program 1 times [2022-10-16 12:45:53,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:45:53,089 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383215084] [2022-10-16 12:45:53,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:45:53,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:45:53,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:45:55,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-16 12:45:55,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:45:55,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:45:55,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:45:55,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-10-16 12:45:55,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:45:55,262 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-16 12:45:55,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:45:55,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383215084] [2022-10-16 12:45:55,262 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383215084] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:45:55,263 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:45:55,263 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 12:45:55,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393713160] [2022-10-16 12:45:55,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:45:55,265 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 12:45:55,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:45:55,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 12:45:55,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 12:45:55,267 INFO L87 Difference]: Start difference. First operand 1534 states and 2152 transitions. Second operand has 7 states, 7 states have (on average 6.0) internal successors, (42), 6 states have internal predecessors, (42), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-10-16 12:45:59,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:45:59,524 INFO L93 Difference]: Finished difference Result 5288 states and 7814 transitions. [2022-10-16 12:45:59,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 12:45:59,524 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 6 states have internal predecessors, (42), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 51 [2022-10-16 12:45:59,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:45:59,555 INFO L225 Difference]: With dead ends: 5288 [2022-10-16 12:45:59,555 INFO L226 Difference]: Without dead ends: 3757 [2022-10-16 12:45:59,565 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2022-10-16 12:45:59,570 INFO L413 NwaCegarLoop]: 1648 mSDtfsCounter, 1849 mSDsluCounter, 5410 mSDsCounter, 0 mSdLazyCounter, 1544 mSolverCounterSat, 272 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1920 SdHoareTripleChecker+Valid, 7058 SdHoareTripleChecker+Invalid, 1816 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 272 IncrementalHoareTripleChecker+Valid, 1544 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-10-16 12:45:59,571 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1920 Valid, 7058 Invalid, 1816 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [272 Valid, 1544 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-10-16 12:45:59,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3757 states. [2022-10-16 12:45:59,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3757 to 1578. [2022-10-16 12:45:59,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1578 states, 1284 states have (on average 1.4657320872274144) internal successors, (1882), 1355 states have internal predecessors, (1882), 167 states have call successors, (167), 61 states have call predecessors, (167), 61 states have return successors, (167), 167 states have call predecessors, (167), 167 states have call successors, (167) [2022-10-16 12:45:59,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1578 states to 1578 states and 2216 transitions. [2022-10-16 12:45:59,753 INFO L78 Accepts]: Start accepts. Automaton has 1578 states and 2216 transitions. Word has length 51 [2022-10-16 12:45:59,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:45:59,754 INFO L495 AbstractCegarLoop]: Abstraction has 1578 states and 2216 transitions. [2022-10-16 12:45:59,754 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 6 states have internal predecessors, (42), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-10-16 12:45:59,755 INFO L276 IsEmpty]: Start isEmpty. Operand 1578 states and 2216 transitions. [2022-10-16 12:45:59,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-16 12:45:59,757 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:45:59,757 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:45:59,757 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 12:45:59,759 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [abituguru3_wait_while_busyErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, abituguru3_wait_while_busyErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 76 more)] === [2022-10-16 12:45:59,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:45:59,760 INFO L85 PathProgramCache]: Analyzing trace with hash 259948405, now seen corresponding path program 1 times [2022-10-16 12:45:59,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:45:59,764 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571294016] [2022-10-16 12:45:59,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:45:59,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:46:00,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:01,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-16 12:46:01,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:01,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:46:01,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:01,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-10-16 12:46:01,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:01,169 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-16 12:46:01,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:46:01,170 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571294016] [2022-10-16 12:46:01,170 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1571294016] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:46:01,170 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:46:01,170 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 12:46:01,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243650447] [2022-10-16 12:46:01,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:46:01,171 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:46:01,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:46:01,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:46:01,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:46:01,172 INFO L87 Difference]: Start difference. First operand 1578 states and 2216 transitions. Second operand has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-16 12:46:02,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:46:02,985 INFO L93 Difference]: Finished difference Result 3459 states and 4923 transitions. [2022-10-16 12:46:02,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 12:46:02,986 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 51 [2022-10-16 12:46:02,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:46:03,012 INFO L225 Difference]: With dead ends: 3459 [2022-10-16 12:46:03,012 INFO L226 Difference]: Without dead ends: 3451 [2022-10-16 12:46:03,015 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:46:03,016 INFO L413 NwaCegarLoop]: 1069 mSDtfsCounter, 1157 mSDsluCounter, 1060 mSDsCounter, 0 mSdLazyCounter, 523 mSolverCounterSat, 291 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1233 SdHoareTripleChecker+Valid, 2129 SdHoareTripleChecker+Invalid, 814 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 291 IncrementalHoareTripleChecker+Valid, 523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-10-16 12:46:03,016 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1233 Valid, 2129 Invalid, 814 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [291 Valid, 523 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-10-16 12:46:03,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3451 states. [2022-10-16 12:46:03,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3451 to 3087. [2022-10-16 12:46:03,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3087 states, 2565 states have (on average 1.4600389863547758) internal successors, (3745), 2642 states have internal predecessors, (3745), 334 states have call successors, (334), 122 states have call predecessors, (334), 122 states have return successors, (334), 334 states have call predecessors, (334), 334 states have call successors, (334) [2022-10-16 12:46:03,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3087 states to 3087 states and 4413 transitions. [2022-10-16 12:46:03,314 INFO L78 Accepts]: Start accepts. Automaton has 3087 states and 4413 transitions. Word has length 51 [2022-10-16 12:46:03,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:46:03,317 INFO L495 AbstractCegarLoop]: Abstraction has 3087 states and 4413 transitions. [2022-10-16 12:46:03,317 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-16 12:46:03,317 INFO L276 IsEmpty]: Start isEmpty. Operand 3087 states and 4413 transitions. [2022-10-16 12:46:03,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-16 12:46:03,323 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:46:03,324 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:46:03,324 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 12:46:03,324 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [abituguru3_wait_while_busyErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, abituguru3_wait_while_busyErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 76 more)] === [2022-10-16 12:46:03,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:46:03,325 INFO L85 PathProgramCache]: Analyzing trace with hash -1814724107, now seen corresponding path program 1 times [2022-10-16 12:46:03,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:46:03,325 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938485022] [2022-10-16 12:46:03,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:46:03,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:46:03,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:04,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-16 12:46:04,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:04,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:46:04,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:04,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 12:46:04,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:04,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:46:04,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:04,511 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-16 12:46:04,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:46:04,511 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938485022] [2022-10-16 12:46:04,512 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938485022] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 12:46:04,512 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1080738285] [2022-10-16 12:46:04,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:46:04,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:46:04,512 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:46:04,514 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 12:46:04,523 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 12:46:06,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:06,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 11930 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 12:46:06,847 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 12:46:06,900 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-16 12:46:06,900 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 12:46:06,901 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1080738285] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:46:06,901 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 12:46:06,901 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-10-16 12:46:06,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354629280] [2022-10-16 12:46:06,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:46:06,902 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:46:06,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:46:06,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:46:06,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 12:46:06,903 INFO L87 Difference]: Start difference. First operand 3087 states and 4413 transitions. Second operand has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-10-16 12:46:07,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:46:07,860 INFO L93 Difference]: Finished difference Result 5443 states and 8141 transitions. [2022-10-16 12:46:07,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 12:46:07,861 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 55 [2022-10-16 12:46:07,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:46:07,896 INFO L225 Difference]: With dead ends: 5443 [2022-10-16 12:46:07,897 INFO L226 Difference]: Without dead ends: 5442 [2022-10-16 12:46:07,901 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 61 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 12:46:07,902 INFO L413 NwaCegarLoop]: 1534 mSDtfsCounter, 747 mSDsluCounter, 2062 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 797 SdHoareTripleChecker+Valid, 3596 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 12:46:07,902 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [797 Valid, 3596 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 12:46:07,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5442 states. [2022-10-16 12:46:08,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5442 to 3086. [2022-10-16 12:46:08,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3086 states, 2565 states have (on average 1.450682261208577) internal successors, (3721), 2641 states have internal predecessors, (3721), 334 states have call successors, (334), 122 states have call predecessors, (334), 122 states have return successors, (334), 334 states have call predecessors, (334), 334 states have call successors, (334) [2022-10-16 12:46:08,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3086 states to 3086 states and 4389 transitions. [2022-10-16 12:46:08,167 INFO L78 Accepts]: Start accepts. Automaton has 3086 states and 4389 transitions. Word has length 55 [2022-10-16 12:46:08,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:46:08,168 INFO L495 AbstractCegarLoop]: Abstraction has 3086 states and 4389 transitions. [2022-10-16 12:46:08,168 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-10-16 12:46:08,168 INFO L276 IsEmpty]: Start isEmpty. Operand 3086 states and 4389 transitions. [2022-10-16 12:46:08,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-10-16 12:46:08,173 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:46:08,173 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:46:08,239 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-10-16 12:46:08,387 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,SelfDestructingSolverStorable6 [2022-10-16 12:46:08,388 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [abituguru3_wait_while_busyErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, abituguru3_wait_while_busyErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 76 more)] === [2022-10-16 12:46:08,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:46:08,389 INFO L85 PathProgramCache]: Analyzing trace with hash 1379486615, now seen corresponding path program 1 times [2022-10-16 12:46:08,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:46:08,390 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714528222] [2022-10-16 12:46:08,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:46:08,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:46:08,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:09,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-16 12:46:09,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:09,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:46:09,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:09,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-10-16 12:46:09,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:09,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:46:09,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:09,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 12:46:09,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:09,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-10-16 12:46:09,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:09,419 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-16 12:46:09,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:46:09,420 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714528222] [2022-10-16 12:46:09,420 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1714528222] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:46:09,420 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:46:09,420 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 12:46:09,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780758995] [2022-10-16 12:46:09,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:46:09,421 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:46:09,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:46:09,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:46:09,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:46:09,423 INFO L87 Difference]: Start difference. First operand 3086 states and 4389 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-10-16 12:46:10,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:46:10,889 INFO L93 Difference]: Finished difference Result 6907 states and 9883 transitions. [2022-10-16 12:46:10,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 12:46:10,889 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 67 [2022-10-16 12:46:10,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:46:10,914 INFO L225 Difference]: With dead ends: 6907 [2022-10-16 12:46:10,914 INFO L226 Difference]: Without dead ends: 3824 [2022-10-16 12:46:10,929 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:46:10,930 INFO L413 NwaCegarLoop]: 1078 mSDtfsCounter, 1034 mSDsluCounter, 1010 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 225 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1075 SdHoareTripleChecker+Valid, 2088 SdHoareTripleChecker+Invalid, 422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 225 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-10-16 12:46:10,930 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1075 Valid, 2088 Invalid, 422 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [225 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-10-16 12:46:10,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3824 states. [2022-10-16 12:46:11,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3824 to 3489. [2022-10-16 12:46:11,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3489 states, 2922 states have (on average 1.445927446954141) internal successors, (4225), 2998 states have internal predecessors, (4225), 358 states have call successors, (358), 144 states have call predecessors, (358), 144 states have return successors, (358), 358 states have call predecessors, (358), 358 states have call successors, (358) [2022-10-16 12:46:11,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3489 states to 3489 states and 4941 transitions. [2022-10-16 12:46:11,276 INFO L78 Accepts]: Start accepts. Automaton has 3489 states and 4941 transitions. Word has length 67 [2022-10-16 12:46:11,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:46:11,276 INFO L495 AbstractCegarLoop]: Abstraction has 3489 states and 4941 transitions. [2022-10-16 12:46:11,277 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-10-16 12:46:11,277 INFO L276 IsEmpty]: Start isEmpty. Operand 3489 states and 4941 transitions. [2022-10-16 12:46:11,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-10-16 12:46:11,282 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:46:11,282 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:46:11,282 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 12:46:11,283 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [abituguru3_wait_while_busyErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, abituguru3_wait_while_busyErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 76 more)] === [2022-10-16 12:46:11,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:46:11,283 INFO L85 PathProgramCache]: Analyzing trace with hash 272852000, now seen corresponding path program 1 times [2022-10-16 12:46:11,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:46:11,284 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432348876] [2022-10-16 12:46:11,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:46:11,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:46:11,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:12,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-16 12:46:12,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:12,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:46:12,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:12,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-10-16 12:46:12,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:12,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-10-16 12:46:12,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:12,460 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-16 12:46:12,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:46:12,461 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432348876] [2022-10-16 12:46:12,461 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1432348876] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:46:12,461 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:46:12,461 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 12:46:12,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971104833] [2022-10-16 12:46:12,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:46:12,462 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 12:46:12,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:46:12,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 12:46:12,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:46:12,463 INFO L87 Difference]: Start difference. First operand 3489 states and 4941 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-10-16 12:46:15,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:46:15,565 INFO L93 Difference]: Finished difference Result 9121 states and 13036 transitions. [2022-10-16 12:46:15,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 12:46:15,566 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 68 [2022-10-16 12:46:15,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:46:15,603 INFO L225 Difference]: With dead ends: 9121 [2022-10-16 12:46:15,603 INFO L226 Difference]: Without dead ends: 7100 [2022-10-16 12:46:15,619 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 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 12:46:15,620 INFO L413 NwaCegarLoop]: 1340 mSDtfsCounter, 1374 mSDsluCounter, 1962 mSDsCounter, 0 mSdLazyCounter, 1075 mSolverCounterSat, 277 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1438 SdHoareTripleChecker+Valid, 3302 SdHoareTripleChecker+Invalid, 1352 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 277 IncrementalHoareTripleChecker+Valid, 1075 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-10-16 12:46:15,621 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1438 Valid, 3302 Invalid, 1352 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [277 Valid, 1075 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-10-16 12:46:15,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7100 states. [2022-10-16 12:46:16,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7100 to 3497. [2022-10-16 12:46:16,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3497 states, 2930 states have (on average 1.4447098976109216) internal successors, (4233), 3006 states have internal predecessors, (4233), 358 states have call successors, (358), 144 states have call predecessors, (358), 144 states have return successors, (358), 358 states have call predecessors, (358), 358 states have call successors, (358) [2022-10-16 12:46:16,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3497 states to 3497 states and 4949 transitions. [2022-10-16 12:46:16,133 INFO L78 Accepts]: Start accepts. Automaton has 3497 states and 4949 transitions. Word has length 68 [2022-10-16 12:46:16,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:46:16,134 INFO L495 AbstractCegarLoop]: Abstraction has 3497 states and 4949 transitions. [2022-10-16 12:46:16,134 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-10-16 12:46:16,134 INFO L276 IsEmpty]: Start isEmpty. Operand 3497 states and 4949 transitions. [2022-10-16 12:46:16,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-16 12:46:16,138 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:46:16,139 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:46:16,139 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 12:46:16,139 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [abituguru3_wait_while_busyErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, abituguru3_wait_while_busyErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 76 more)] === [2022-10-16 12:46:16,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:46:16,140 INFO L85 PathProgramCache]: Analyzing trace with hash 1595140015, now seen corresponding path program 1 times [2022-10-16 12:46:16,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:46:16,140 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40830719] [2022-10-16 12:46:16,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:46:16,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:46:16,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:17,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-16 12:46:17,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:17,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:46:17,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:17,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 12:46:17,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:17,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:46:17,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:17,913 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-16 12:46:17,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:46:17,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40830719] [2022-10-16 12:46:17,914 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [40830719] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 12:46:17,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1359385826] [2022-10-16 12:46:17,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:46:17,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:46:17,915 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:46:17,919 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 12:46:17,940 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 12:46:20,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:20,141 INFO L263 TraceCheckSpWp]: Trace formula consists of 11981 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-16 12:46:20,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 12:46:20,326 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-16 12:46:20,327 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 12:46:20,492 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-16 12:46:20,492 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1359385826] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 12:46:20,492 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 12:46:20,492 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 13 [2022-10-16 12:46:20,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353191782] [2022-10-16 12:46:20,493 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 12:46:20,493 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-10-16 12:46:20,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:46:20,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-10-16 12:46:20,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=102, Unknown=0, NotChecked=0, Total=182 [2022-10-16 12:46:20,494 INFO L87 Difference]: Start difference. First operand 3497 states and 4949 transitions. Second operand has 14 states, 13 states have (on average 8.153846153846153) internal successors, (106), 13 states have internal predecessors, (106), 1 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-10-16 12:46:24,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:46:24,985 INFO L93 Difference]: Finished difference Result 17750 states and 27965 transitions. [2022-10-16 12:46:24,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-16 12:46:24,986 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 8.153846153846153) internal successors, (106), 13 states have internal predecessors, (106), 1 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 75 [2022-10-16 12:46:24,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:46:25,164 INFO L225 Difference]: With dead ends: 17750 [2022-10-16 12:46:25,165 INFO L226 Difference]: Without dead ends: 17749 [2022-10-16 12:46:25,172 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=102, Unknown=0, NotChecked=0, Total=182 [2022-10-16 12:46:25,173 INFO L413 NwaCegarLoop]: 1769 mSDtfsCounter, 7341 mSDsluCounter, 6562 mSDsCounter, 0 mSdLazyCounter, 1529 mSolverCounterSat, 512 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7700 SdHoareTripleChecker+Valid, 8331 SdHoareTripleChecker+Invalid, 2041 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 512 IncrementalHoareTripleChecker+Valid, 1529 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-10-16 12:46:25,173 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7700 Valid, 8331 Invalid, 2041 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [512 Valid, 1529 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-10-16 12:46:25,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17749 states. [2022-10-16 12:46:25,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17749 to 4217. [2022-10-16 12:46:25,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4217 states, 3650 states have (on average 1.4227397260273973) internal successors, (5193), 3726 states have internal predecessors, (5193), 358 states have call successors, (358), 144 states have call predecessors, (358), 144 states have return successors, (358), 358 states have call predecessors, (358), 358 states have call successors, (358) [2022-10-16 12:46:25,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4217 states to 4217 states and 5909 transitions. [2022-10-16 12:46:25,985 INFO L78 Accepts]: Start accepts. Automaton has 4217 states and 5909 transitions. Word has length 75 [2022-10-16 12:46:25,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:46:25,986 INFO L495 AbstractCegarLoop]: Abstraction has 4217 states and 5909 transitions. [2022-10-16 12:46:25,987 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 8.153846153846153) internal successors, (106), 13 states have internal predecessors, (106), 1 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-10-16 12:46:25,987 INFO L276 IsEmpty]: Start isEmpty. Operand 4217 states and 5909 transitions. [2022-10-16 12:46:25,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-10-16 12:46:25,992 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:46:25,992 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:46:26,054 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-10-16 12:46:26,206 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:46:26,207 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting abituguru3_wait_while_busyErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [abituguru3_wait_while_busyErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, abituguru3_wait_while_busyErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 76 more)] === [2022-10-16 12:46:26,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:46:26,208 INFO L85 PathProgramCache]: Analyzing trace with hash -1441831098, now seen corresponding path program 1 times [2022-10-16 12:46:26,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:46:26,209 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478758241] [2022-10-16 12:46:26,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:46:26,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:46:26,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:27,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-16 12:46:27,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:27,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:46:27,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:27,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-10-16 12:46:27,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:27,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-10-16 12:46:27,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:27,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-16 12:46:27,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:27,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-10-16 12:46:27,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:27,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:46:27,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:27,547 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-16 12:46:27,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:46:27,547 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478758241] [2022-10-16 12:46:27,547 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1478758241] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:46:27,547 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:46:27,548 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 12:46:27,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831125323] [2022-10-16 12:46:27,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:46:27,549 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:46:27,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:46:27,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:46:27,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:46:27,550 INFO L87 Difference]: Start difference. First operand 4217 states and 5909 transitions. Second operand has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-10-16 12:46:29,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:46:29,116 INFO L93 Difference]: Finished difference Result 4585 states and 6533 transitions. [2022-10-16 12:46:29,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 12:46:29,117 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 82 [2022-10-16 12:46:29,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:46:29,135 INFO L225 Difference]: With dead ends: 4585 [2022-10-16 12:46:29,136 INFO L226 Difference]: Without dead ends: 4583 [2022-10-16 12:46:29,139 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:46:29,139 INFO L413 NwaCegarLoop]: 788 mSDtfsCounter, 284 mSDsluCounter, 1003 mSDsCounter, 0 mSdLazyCounter, 399 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 331 SdHoareTripleChecker+Valid, 1791 SdHoareTripleChecker+Invalid, 489 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 399 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-10-16 12:46:29,140 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [331 Valid, 1791 Invalid, 489 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 399 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-10-16 12:46:29,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4583 states. [2022-10-16 12:46:29,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4583 to 4249. [2022-10-16 12:46:29,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4249 states, 3678 states have (on average 1.4206090266449156) internal successors, (5225), 3754 states have internal predecessors, (5225), 362 states have call successors, (362), 144 states have call predecessors, (362), 144 states have return successors, (362), 362 states have call predecessors, (362), 362 states have call successors, (362) [2022-10-16 12:46:29,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4249 states to 4249 states and 5949 transitions. [2022-10-16 12:46:29,677 INFO L78 Accepts]: Start accepts. Automaton has 4249 states and 5949 transitions. Word has length 82 [2022-10-16 12:46:29,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:46:29,677 INFO L495 AbstractCegarLoop]: Abstraction has 4249 states and 5949 transitions. [2022-10-16 12:46:29,677 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-10-16 12:46:29,678 INFO L276 IsEmpty]: Start isEmpty. Operand 4249 states and 5949 transitions. [2022-10-16 12:46:29,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-16 12:46:29,684 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:46:29,684 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:46:29,685 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 12:46:29,685 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [abituguru3_wait_while_busyErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, abituguru3_wait_while_busyErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 76 more)] === [2022-10-16 12:46:29,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:46:29,687 INFO L85 PathProgramCache]: Analyzing trace with hash -3083971, now seen corresponding path program 1 times [2022-10-16 12:46:29,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:46:29,687 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653364059] [2022-10-16 12:46:29,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:46:29,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:46:30,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:31,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-16 12:46:31,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:31,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:46:31,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:31,999 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 25 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 12:46:31,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:46:31,999 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653364059] [2022-10-16 12:46:32,000 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [653364059] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 12:46:32,000 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1480024600] [2022-10-16 12:46:32,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:46:32,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:46:32,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:46:32,001 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 12:46:32,032 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 12:46:34,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:34,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 11986 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-16 12:46:34,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 12:46:34,285 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-16 12:46:34,285 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 12:46:34,286 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1480024600] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:46:34,286 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 12:46:34,286 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-10-16 12:46:34,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344582191] [2022-10-16 12:46:34,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:46:34,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 12:46:34,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:46:34,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 12:46:34,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 12:46:34,288 INFO L87 Difference]: Start difference. First operand 4249 states and 5949 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 12:46:35,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:46:35,164 INFO L93 Difference]: Finished difference Result 10560 states and 14814 transitions. [2022-10-16 12:46:35,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 12:46:35,165 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 74 [2022-10-16 12:46:35,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:46:35,187 INFO L225 Difference]: With dead ends: 10560 [2022-10-16 12:46:35,187 INFO L226 Difference]: Without dead ends: 6314 [2022-10-16 12:46:35,204 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 12:46:35,205 INFO L413 NwaCegarLoop]: 1483 mSDtfsCounter, 751 mSDsluCounter, 685 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 751 SdHoareTripleChecker+Valid, 2168 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 12:46:35,205 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [751 Valid, 2168 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 12:46:35,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6314 states. [2022-10-16 12:46:35,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6314 to 6253. [2022-10-16 12:46:35,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6253 states, 5472 states have (on average 1.4316520467836258) internal successors, (7834), 5554 states have internal predecessors, (7834), 512 states have call successors, (512), 204 states have call predecessors, (512), 204 states have return successors, (512), 512 states have call predecessors, (512), 512 states have call successors, (512) [2022-10-16 12:46:35,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6253 states to 6253 states and 8858 transitions. [2022-10-16 12:46:35,814 INFO L78 Accepts]: Start accepts. Automaton has 6253 states and 8858 transitions. Word has length 74 [2022-10-16 12:46:35,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:46:35,815 INFO L495 AbstractCegarLoop]: Abstraction has 6253 states and 8858 transitions. [2022-10-16 12:46:35,815 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 12:46:35,815 INFO L276 IsEmpty]: Start isEmpty. Operand 6253 states and 8858 transitions. [2022-10-16 12:46:35,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-16 12:46:35,823 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:46:35,824 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:46:35,884 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 12:46:36,038 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:46:36,039 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [abituguru3_wait_while_busyErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, abituguru3_wait_while_busyErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 76 more)] === [2022-10-16 12:46:36,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:46:36,040 INFO L85 PathProgramCache]: Analyzing trace with hash 1701954155, now seen corresponding path program 1 times [2022-10-16 12:46:36,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:46:36,040 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718520843] [2022-10-16 12:46:36,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:46:36,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:46:36,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:36,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-16 12:46:36,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:36,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:46:36,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:36,993 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-16 12:46:36,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:46:36,993 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718520843] [2022-10-16 12:46:36,993 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [718520843] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:46:36,993 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:46:36,993 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 12:46:36,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700425257] [2022-10-16 12:46:36,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:46:36,994 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:46:36,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:46:36,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:46:36,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:46:36,995 INFO L87 Difference]: Start difference. First operand 6253 states and 8858 transitions. Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 3 states have internal predecessors, (74), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 12:46:39,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:46:39,189 INFO L93 Difference]: Finished difference Result 15162 states and 21594 transitions. [2022-10-16 12:46:39,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 12:46:39,190 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 3 states have internal predecessors, (74), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 80 [2022-10-16 12:46:39,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:46:39,226 INFO L225 Difference]: With dead ends: 15162 [2022-10-16 12:46:39,226 INFO L226 Difference]: Without dead ends: 8912 [2022-10-16 12:46:39,250 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:46:39,251 INFO L413 NwaCegarLoop]: 1457 mSDtfsCounter, 936 mSDsluCounter, 1257 mSDsCounter, 0 mSdLazyCounter, 580 mSolverCounterSat, 227 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1007 SdHoareTripleChecker+Valid, 2714 SdHoareTripleChecker+Invalid, 807 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 227 IncrementalHoareTripleChecker+Valid, 580 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-10-16 12:46:39,251 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1007 Valid, 2714 Invalid, 807 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [227 Valid, 580 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-10-16 12:46:39,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8912 states. [2022-10-16 12:46:40,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8912 to 8267. [2022-10-16 12:46:40,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8267 states, 7272 states have (on average 1.4238173817381738) internal successors, (10354), 7360 states have internal predecessors, (10354), 664 states have call successors, (664), 266 states have call predecessors, (664), 266 states have return successors, (664), 664 states have call predecessors, (664), 664 states have call successors, (664) [2022-10-16 12:46:40,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8267 states to 8267 states and 11682 transitions. [2022-10-16 12:46:40,261 INFO L78 Accepts]: Start accepts. Automaton has 8267 states and 11682 transitions. Word has length 80 [2022-10-16 12:46:40,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:46:40,261 INFO L495 AbstractCegarLoop]: Abstraction has 8267 states and 11682 transitions. [2022-10-16 12:46:40,262 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 3 states have internal predecessors, (74), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 12:46:40,262 INFO L276 IsEmpty]: Start isEmpty. Operand 8267 states and 11682 transitions. [2022-10-16 12:46:40,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-16 12:46:40,270 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:46:40,271 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:46:40,271 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 12:46:40,272 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [abituguru3_wait_while_busyErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, abituguru3_wait_while_busyErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 76 more)] === [2022-10-16 12:46:40,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:46:40,273 INFO L85 PathProgramCache]: Analyzing trace with hash 1165404437, now seen corresponding path program 1 times [2022-10-16 12:46:40,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:46:40,273 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264205427] [2022-10-16 12:46:40,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:46:40,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:46:40,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:41,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-16 12:46:41,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:41,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:46:41,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:41,176 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:46:41,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:46:41,176 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264205427] [2022-10-16 12:46:41,176 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1264205427] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:46:41,176 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:46:41,177 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 12:46:41,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364527953] [2022-10-16 12:46:41,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:46:41,177 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:46:41,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:46:41,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:46:41,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:46:41,178 INFO L87 Difference]: Start difference. First operand 8267 states and 11682 transitions. Second operand has 4 states, 4 states have (on average 19.0) internal successors, (76), 3 states have internal predecessors, (76), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 12:46:43,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:46:43,354 INFO L93 Difference]: Finished difference Result 15174 states and 21431 transitions. [2022-10-16 12:46:43,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 12:46:43,356 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 3 states have internal predecessors, (76), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 80 [2022-10-16 12:46:43,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:46:43,383 INFO L225 Difference]: With dead ends: 15174 [2022-10-16 12:46:43,384 INFO L226 Difference]: Without dead ends: 6910 [2022-10-16 12:46:43,409 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:46:43,410 INFO L413 NwaCegarLoop]: 949 mSDtfsCounter, 1162 mSDsluCounter, 1074 mSDsCounter, 0 mSdLazyCounter, 580 mSolverCounterSat, 274 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1231 SdHoareTripleChecker+Valid, 2023 SdHoareTripleChecker+Invalid, 854 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 274 IncrementalHoareTripleChecker+Valid, 580 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-10-16 12:46:43,410 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1231 Valid, 2023 Invalid, 854 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [274 Valid, 580 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-10-16 12:46:43,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6910 states. [2022-10-16 12:46:44,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6910 to 6409. [2022-10-16 12:46:44,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6409 states, 5638 states have (on average 1.4063497694217808) internal successors, (7929), 5720 states have internal predecessors, (7929), 502 states have call successors, (502), 204 states have call predecessors, (502), 204 states have return successors, (502), 502 states have call predecessors, (502), 502 states have call successors, (502) [2022-10-16 12:46:44,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6409 states to 6409 states and 8933 transitions. [2022-10-16 12:46:44,229 INFO L78 Accepts]: Start accepts. Automaton has 6409 states and 8933 transitions. Word has length 80 [2022-10-16 12:46:44,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:46:44,229 INFO L495 AbstractCegarLoop]: Abstraction has 6409 states and 8933 transitions. [2022-10-16 12:46:44,230 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 3 states have internal predecessors, (76), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 12:46:44,230 INFO L276 IsEmpty]: Start isEmpty. Operand 6409 states and 8933 transitions. [2022-10-16 12:46:44,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-10-16 12:46:44,236 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:46:44,236 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:46:44,237 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 12:46:44,237 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting abituguru3_wait_while_busyErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [abituguru3_wait_while_busyErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, abituguru3_wait_while_busyErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 76 more)] === [2022-10-16 12:46:44,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:46:44,238 INFO L85 PathProgramCache]: Analyzing trace with hash 1373819298, now seen corresponding path program 1 times [2022-10-16 12:46:44,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:46:44,238 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040742650] [2022-10-16 12:46:44,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:46:44,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:46:44,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:45,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-16 12:46:45,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:45,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:46:45,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:45,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-10-16 12:46:45,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:45,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-10-16 12:46:45,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:45,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-16 12:46:45,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:45,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-10-16 12:46:45,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:45,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:46:45,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:45,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-10-16 12:46:45,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:45,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:46:45,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:45,260 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-16 12:46:45,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:46:45,261 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040742650] [2022-10-16 12:46:45,261 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2040742650] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 12:46:45,261 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1600075417] [2022-10-16 12:46:45,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:46:45,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:46:45,262 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:46:45,267 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 12:46:45,294 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-10-16 12:46:47,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:47,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 12371 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-16 12:46:47,624 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 12:46:47,701 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-10-16 12:46:47,701 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 12:46:47,701 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1600075417] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:46:47,701 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 12:46:47,702 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [4] total 9 [2022-10-16 12:46:47,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153298834] [2022-10-16 12:46:47,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:46:47,704 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 12:46:47,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:46:47,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 12:46:47,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 12:46:47,705 INFO L87 Difference]: Start difference. First operand 6409 states and 8933 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 3 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2022-10-16 12:46:49,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:46:49,723 INFO L93 Difference]: Finished difference Result 18566 states and 26359 transitions. [2022-10-16 12:46:49,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 12:46:49,724 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 3 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 102 [2022-10-16 12:46:49,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:46:49,761 INFO L225 Difference]: With dead ends: 18566 [2022-10-16 12:46:49,761 INFO L226 Difference]: Without dead ends: 12160 [2022-10-16 12:46:49,785 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2022-10-16 12:46:49,786 INFO L413 NwaCegarLoop]: 1169 mSDtfsCounter, 1805 mSDsluCounter, 3779 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1805 SdHoareTripleChecker+Valid, 4948 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-16 12:46:49,786 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1805 Valid, 4948 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-16 12:46:49,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12160 states. [2022-10-16 12:46:50,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12160 to 6441. [2022-10-16 12:46:50,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6441 states, 5670 states have (on average 1.4040564373897708) internal successors, (7961), 5752 states have internal predecessors, (7961), 502 states have call successors, (502), 204 states have call predecessors, (502), 204 states have return successors, (502), 502 states have call predecessors, (502), 502 states have call successors, (502) [2022-10-16 12:46:50,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6441 states to 6441 states and 8965 transitions. [2022-10-16 12:46:50,777 INFO L78 Accepts]: Start accepts. Automaton has 6441 states and 8965 transitions. Word has length 102 [2022-10-16 12:46:50,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:46:50,777 INFO L495 AbstractCegarLoop]: Abstraction has 6441 states and 8965 transitions. [2022-10-16 12:46:50,777 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 3 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2022-10-16 12:46:50,777 INFO L276 IsEmpty]: Start isEmpty. Operand 6441 states and 8965 transitions. [2022-10-16 12:46:50,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-10-16 12:46:50,784 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:46:50,784 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2022-10-16 12:46:50,854 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-10-16 12:46:50,997 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-10-16 12:46:50,997 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [abituguru3_wait_while_busyErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, abituguru3_wait_while_busyErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 76 more)] === [2022-10-16 12:46:50,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:46:50,999 INFO L85 PathProgramCache]: Analyzing trace with hash 1377603782, now seen corresponding path program 2 times [2022-10-16 12:46:50,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:46:50,999 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202293601] [2022-10-16 12:46:51,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:46:51,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:46:51,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:51,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-16 12:46:51,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:51,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:46:51,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:51,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-10-16 12:46:51,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:51,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:46:51,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:51,733 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-16 12:46:51,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:46:51,734 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202293601] [2022-10-16 12:46:51,734 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1202293601] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:46:51,734 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:46:51,734 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 12:46:51,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254389049] [2022-10-16 12:46:51,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:46:51,735 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:46:51,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:46:51,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:46:51,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:46:51,736 INFO L87 Difference]: Start difference. First operand 6441 states and 8965 transitions. Second operand has 4 states, 4 states have (on average 21.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-16 12:46:53,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:46:53,704 INFO L93 Difference]: Finished difference Result 9388 states and 13149 transitions. [2022-10-16 12:46:53,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 12:46:53,705 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 100 [2022-10-16 12:46:53,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:46:53,721 INFO L225 Difference]: With dead ends: 9388 [2022-10-16 12:46:53,721 INFO L226 Difference]: Without dead ends: 4754 [2022-10-16 12:46:53,734 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:46:53,734 INFO L413 NwaCegarLoop]: 852 mSDtfsCounter, 1193 mSDsluCounter, 843 mSDsCounter, 0 mSdLazyCounter, 466 mSolverCounterSat, 277 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1263 SdHoareTripleChecker+Valid, 1695 SdHoareTripleChecker+Invalid, 743 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 277 IncrementalHoareTripleChecker+Valid, 466 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-10-16 12:46:53,735 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1263 Valid, 1695 Invalid, 743 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [277 Valid, 466 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-10-16 12:46:53,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4754 states. [2022-10-16 12:46:54,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4754 to 4291. [2022-10-16 12:46:54,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4291 states, 3647 states have (on average 1.4332327940773237) internal successors, (5227), 3729 states have internal predecessors, (5227), 408 states have call successors, (408), 171 states have call predecessors, (408), 171 states have return successors, (408), 408 states have call predecessors, (408), 408 states have call successors, (408) [2022-10-16 12:46:54,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4291 states to 4291 states and 6043 transitions. [2022-10-16 12:46:54,479 INFO L78 Accepts]: Start accepts. Automaton has 4291 states and 6043 transitions. Word has length 100 [2022-10-16 12:46:54,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:46:54,480 INFO L495 AbstractCegarLoop]: Abstraction has 4291 states and 6043 transitions. [2022-10-16 12:46:54,481 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-16 12:46:54,481 INFO L276 IsEmpty]: Start isEmpty. Operand 4291 states and 6043 transitions. [2022-10-16 12:46:54,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-10-16 12:46:54,488 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:46:54,488 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:46:54,488 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 12:46:54,488 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting abituguru3_wait_while_busyErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [abituguru3_wait_while_busyErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, abituguru3_wait_while_busyErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 76 more)] === [2022-10-16 12:46:54,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:46:54,491 INFO L85 PathProgramCache]: Analyzing trace with hash 1242320401, now seen corresponding path program 1 times [2022-10-16 12:46:54,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:46:54,492 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098052475] [2022-10-16 12:46:54,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:46:54,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:46:54,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:55,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-16 12:46:55,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:55,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:46:55,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:55,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 12:46:55,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:55,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:46:55,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:55,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-10-16 12:46:55,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:55,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-10-16 12:46:55,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:55,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-10-16 12:46:55,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:55,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-10-16 12:46:55,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:55,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:46:55,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:55,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-10-16 12:46:55,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:55,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:46:55,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:55,432 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-10-16 12:46:55,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:46:55,432 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098052475] [2022-10-16 12:46:55,433 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1098052475] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:46:55,433 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:46:55,433 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 12:46:55,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400277362] [2022-10-16 12:46:55,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:46:55,434 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:46:55,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:46:55,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:46:55,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:46:55,435 INFO L87 Difference]: Start difference. First operand 4291 states and 6043 transitions. Second operand has 4 states, 4 states have (on average 20.0) internal successors, (80), 3 states have internal predecessors, (80), 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 12:46:56,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:46:56,787 INFO L93 Difference]: Finished difference Result 7302 states and 10337 transitions. [2022-10-16 12:46:56,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 12:46:56,788 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 3 states have internal predecessors, (80), 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 128 [2022-10-16 12:46:56,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:46:56,799 INFO L225 Difference]: With dead ends: 7302 [2022-10-16 12:46:56,799 INFO L226 Difference]: Without dead ends: 3012 [2022-10-16 12:46:56,809 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:46:56,811 INFO L413 NwaCegarLoop]: 790 mSDtfsCounter, 271 mSDsluCounter, 998 mSDsCounter, 0 mSdLazyCounter, 401 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 310 SdHoareTripleChecker+Valid, 1788 SdHoareTripleChecker+Invalid, 488 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 401 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-10-16 12:46:56,811 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [310 Valid, 1788 Invalid, 488 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 401 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-10-16 12:46:56,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3012 states. [2022-10-16 12:46:57,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3012 to 2736. [2022-10-16 12:46:57,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2736 states, 2282 states have (on average 1.4557405784399648) internal successors, (3322), 2358 states have internal predecessors, (3322), 270 states have call successors, (270), 119 states have call predecessors, (270), 119 states have return successors, (270), 270 states have call predecessors, (270), 270 states have call successors, (270) [2022-10-16 12:46:57,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2736 states to 2736 states and 3862 transitions. [2022-10-16 12:46:57,128 INFO L78 Accepts]: Start accepts. Automaton has 2736 states and 3862 transitions. Word has length 128 [2022-10-16 12:46:57,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:46:57,128 INFO L495 AbstractCegarLoop]: Abstraction has 2736 states and 3862 transitions. [2022-10-16 12:46:57,129 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 3 states have internal predecessors, (80), 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 12:46:57,129 INFO L276 IsEmpty]: Start isEmpty. Operand 2736 states and 3862 transitions. [2022-10-16 12:46:57,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-10-16 12:46:57,133 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:46:57,134 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:46:57,134 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 12:46:57,134 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [abituguru3_wait_while_busyErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, abituguru3_wait_while_busyErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 76 more)] === [2022-10-16 12:46:57,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:46:57,135 INFO L85 PathProgramCache]: Analyzing trace with hash 1825328104, now seen corresponding path program 1 times [2022-10-16 12:46:57,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:46:57,135 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796746237] [2022-10-16 12:46:57,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:46:57,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:46:57,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:58,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-16 12:46:58,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:58,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:46:58,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:58,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-10-16 12:46:58,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:58,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:46:58,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:58,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:46:58,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:58,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-16 12:46:58,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:58,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 12:46:58,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:58,136 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-10-16 12:46:58,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:46:58,137 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796746237] [2022-10-16 12:46:58,137 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1796746237] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:46:58,137 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:46:58,137 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 12:46:58,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069700612] [2022-10-16 12:46:58,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:46:58,138 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 12:46:58,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:46:58,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 12:46:58,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 12:46:58,139 INFO L87 Difference]: Start difference. First operand 2736 states and 3862 transitions. Second operand has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 3 states have internal predecessors, (91), 1 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-10-16 12:47:00,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:47:00,201 INFO L93 Difference]: Finished difference Result 5715 states and 8107 transitions. [2022-10-16 12:47:00,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 12:47:00,202 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 3 states have internal predecessors, (91), 1 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 119 [2022-10-16 12:47:00,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:47:00,215 INFO L225 Difference]: With dead ends: 5715 [2022-10-16 12:47:00,215 INFO L226 Difference]: Without dead ends: 3701 [2022-10-16 12:47:00,222 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-10-16 12:47:00,222 INFO L413 NwaCegarLoop]: 1335 mSDtfsCounter, 1045 mSDsluCounter, 2016 mSDsCounter, 0 mSdLazyCounter, 756 mSolverCounterSat, 380 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1109 SdHoareTripleChecker+Valid, 3351 SdHoareTripleChecker+Invalid, 1136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 380 IncrementalHoareTripleChecker+Valid, 756 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-10-16 12:47:00,223 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1109 Valid, 3351 Invalid, 1136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [380 Valid, 756 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-10-16 12:47:00,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3701 states. [2022-10-16 12:47:00,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3701 to 3299. [2022-10-16 12:47:00,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3299 states, 2765 states have (on average 1.4556962025316456) internal successors, (4025), 2844 states have internal predecessors, (4025), 326 states have call successors, (326), 143 states have call predecessors, (326), 143 states have return successors, (326), 326 states have call predecessors, (326), 326 states have call successors, (326) [2022-10-16 12:47:00,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3299 states to 3299 states and 4677 transitions. [2022-10-16 12:47:00,545 INFO L78 Accepts]: Start accepts. Automaton has 3299 states and 4677 transitions. Word has length 119 [2022-10-16 12:47:00,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:47:00,546 INFO L495 AbstractCegarLoop]: Abstraction has 3299 states and 4677 transitions. [2022-10-16 12:47:00,546 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 3 states have internal predecessors, (91), 1 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-10-16 12:47:00,546 INFO L276 IsEmpty]: Start isEmpty. Operand 3299 states and 4677 transitions. [2022-10-16 12:47:00,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-10-16 12:47:00,550 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:47:00,550 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:47:00,550 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 12:47:00,551 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting abituguru3_wait_while_busyErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [abituguru3_wait_while_busyErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, abituguru3_wait_while_busyErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 76 more)] === [2022-10-16 12:47:00,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:47:00,551 INFO L85 PathProgramCache]: Analyzing trace with hash -337194022, now seen corresponding path program 1 times [2022-10-16 12:47:00,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:47:00,551 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665718881] [2022-10-16 12:47:00,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:47:00,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:47:00,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:02,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-16 12:47:02,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:02,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:47:02,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:02,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-10-16 12:47:02,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:02,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:47:02,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:02,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-10-16 12:47:02,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:02,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:47:02,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:02,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-10-16 12:47:02,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:02,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-10-16 12:47:02,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:02,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-10-16 12:47:02,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:02,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-10-16 12:47:02,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:02,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:47:02,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:02,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-10-16 12:47:02,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:02,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:47:02,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:02,228 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2022-10-16 12:47:02,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:47:02,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665718881] [2022-10-16 12:47:02,229 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [665718881] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 12:47:02,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1526101990] [2022-10-16 12:47:02,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:47:02,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:47:02,230 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:47:02,231 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 12:47:02,251 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-10-16 12:47:04,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:04,727 INFO L263 TraceCheckSpWp]: Trace formula consists of 12458 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 12:47:04,738 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 12:47:04,778 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2022-10-16 12:47:04,779 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 12:47:04,779 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1526101990] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:47:04,779 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 12:47:04,779 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-10-16 12:47:04,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781324930] [2022-10-16 12:47:04,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:47:04,780 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:47:04,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:47:04,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:47:04,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 12:47:04,781 INFO L87 Difference]: Start difference. First operand 3299 states and 4677 transitions. Second operand has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2022-10-16 12:47:04,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:47:04,994 INFO L93 Difference]: Finished difference Result 3314 states and 4727 transitions. [2022-10-16 12:47:04,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 12:47:04,995 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 129 [2022-10-16 12:47:04,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:47:05,001 INFO L225 Difference]: With dead ends: 3314 [2022-10-16 12:47:05,001 INFO L226 Difference]: Without dead ends: 3313 [2022-10-16 12:47:05,002 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 153 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 12:47:05,004 INFO L413 NwaCegarLoop]: 831 mSDtfsCounter, 15 mSDsluCounter, 819 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 1650 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 12:47:05,004 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 1650 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 12:47:05,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3313 states. [2022-10-16 12:47:05,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3313 to 3298. [2022-10-16 12:47:05,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3298 states, 2765 states have (on average 1.453887884267631) internal successors, (4020), 2843 states have internal predecessors, (4020), 326 states have call successors, (326), 143 states have call predecessors, (326), 143 states have return successors, (326), 326 states have call predecessors, (326), 326 states have call successors, (326) [2022-10-16 12:47:05,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3298 states to 3298 states and 4672 transitions. [2022-10-16 12:47:05,344 INFO L78 Accepts]: Start accepts. Automaton has 3298 states and 4672 transitions. Word has length 129 [2022-10-16 12:47:05,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:47:05,345 INFO L495 AbstractCegarLoop]: Abstraction has 3298 states and 4672 transitions. [2022-10-16 12:47:05,345 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2022-10-16 12:47:05,346 INFO L276 IsEmpty]: Start isEmpty. Operand 3298 states and 4672 transitions. [2022-10-16 12:47:05,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-10-16 12:47:05,350 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:47:05,350 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:47:05,418 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-10-16 12:47:05,564 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:47:05,564 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [abituguru3_wait_while_busyErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, abituguru3_wait_while_busyErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 76 more)] === [2022-10-16 12:47:05,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:47:05,565 INFO L85 PathProgramCache]: Analyzing trace with hash 533612361, now seen corresponding path program 1 times [2022-10-16 12:47:05,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:47:05,566 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648256854] [2022-10-16 12:47:05,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:47:05,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:47:05,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:06,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-16 12:47:06,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:06,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:47:06,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:06,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-10-16 12:47:06,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:06,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:47:06,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:06,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:47:06,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:06,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-16 12:47:06,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:06,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 12:47:06,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:06,375 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-10-16 12:47:06,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:47:06,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648256854] [2022-10-16 12:47:06,375 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648256854] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:47:06,376 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:47:06,376 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 12:47:06,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487980871] [2022-10-16 12:47:06,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:47:06,377 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 12:47:06,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:47:06,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 12:47:06,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 12:47:06,378 INFO L87 Difference]: Start difference. First operand 3298 states and 4672 transitions. Second operand has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 3 states have internal predecessors, (91), 1 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-10-16 12:47:08,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:47:08,544 INFO L93 Difference]: Finished difference Result 6892 states and 9815 transitions. [2022-10-16 12:47:08,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 12:47:08,545 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 3 states have internal predecessors, (91), 1 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 118 [2022-10-16 12:47:08,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:47:08,558 INFO L225 Difference]: With dead ends: 6892 [2022-10-16 12:47:08,558 INFO L226 Difference]: Without dead ends: 4316 [2022-10-16 12:47:08,566 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-10-16 12:47:08,567 INFO L413 NwaCegarLoop]: 1333 mSDtfsCounter, 1042 mSDsluCounter, 1906 mSDsCounter, 0 mSdLazyCounter, 750 mSolverCounterSat, 382 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1106 SdHoareTripleChecker+Valid, 3239 SdHoareTripleChecker+Invalid, 1132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 382 IncrementalHoareTripleChecker+Valid, 750 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-10-16 12:47:08,567 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1106 Valid, 3239 Invalid, 1132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [382 Valid, 750 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-10-16 12:47:08,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4316 states. [2022-10-16 12:47:08,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4316 to 3861. [2022-10-16 12:47:08,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3861 states, 3248 states have (on average 1.4538177339901477) internal successors, (4722), 3329 states have internal predecessors, (4722), 382 states have call successors, (382), 167 states have call predecessors, (382), 167 states have return successors, (382), 382 states have call predecessors, (382), 382 states have call successors, (382) [2022-10-16 12:47:08,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3861 states to 3861 states and 5486 transitions. [2022-10-16 12:47:08,886 INFO L78 Accepts]: Start accepts. Automaton has 3861 states and 5486 transitions. Word has length 118 [2022-10-16 12:47:08,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:47:08,887 INFO L495 AbstractCegarLoop]: Abstraction has 3861 states and 5486 transitions. [2022-10-16 12:47:08,887 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 3 states have internal predecessors, (91), 1 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-10-16 12:47:08,887 INFO L276 IsEmpty]: Start isEmpty. Operand 3861 states and 5486 transitions. [2022-10-16 12:47:08,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-10-16 12:47:08,891 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:47:08,891 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:47:08,891 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 12:47:08,892 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [abituguru3_wait_while_busyErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, abituguru3_wait_while_busyErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 76 more)] === [2022-10-16 12:47:08,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:47:08,892 INFO L85 PathProgramCache]: Analyzing trace with hash 168906989, now seen corresponding path program 2 times [2022-10-16 12:47:08,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:47:08,892 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123875517] [2022-10-16 12:47:08,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:47:08,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:47:09,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:11,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-16 12:47:11,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:11,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:47:11,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:11,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 12:47:11,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:11,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:47:11,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:11,165 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 0 proven. 375 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-16 12:47:11,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:47:11,166 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123875517] [2022-10-16 12:47:11,166 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [123875517] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 12:47:11,166 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [681643145] [2022-10-16 12:47:11,166 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 12:47:11,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:47:11,167 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:47:11,168 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 12:47:11,174 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-10-16 12:47:13,466 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-10-16 12:47:13,466 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 12:47:13,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 11868 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 12:47:13,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 12:47:13,564 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2022-10-16 12:47:13,564 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 12:47:13,564 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [681643145] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:47:13,564 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 12:47:13,564 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [13] total 15 [2022-10-16 12:47:13,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548551354] [2022-10-16 12:47:13,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:47:13,565 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 12:47:13,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:47:13,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 12:47:13,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=128, Unknown=0, NotChecked=0, Total=210 [2022-10-16 12:47:13,570 INFO L87 Difference]: Start difference. First operand 3861 states and 5486 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-10-16 12:47:13,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:47:13,991 INFO L93 Difference]: Finished difference Result 7685 states and 10915 transitions. [2022-10-16 12:47:13,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 12:47:13,992 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 117 [2022-10-16 12:47:13,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:47:14,002 INFO L225 Difference]: With dead ends: 7685 [2022-10-16 12:47:14,003 INFO L226 Difference]: Without dead ends: 3853 [2022-10-16 12:47:14,014 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=82, Invalid=128, Unknown=0, NotChecked=0, Total=210 [2022-10-16 12:47:14,015 INFO L413 NwaCegarLoop]: 816 mSDtfsCounter, 808 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 808 SdHoareTripleChecker+Valid, 816 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 12:47:14,015 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [808 Valid, 816 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 12:47:14,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3853 states. [2022-10-16 12:47:14,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3853 to 3853. [2022-10-16 12:47:14,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3853 states, 3242 states have (on average 1.4531153608883405) internal successors, (4711), 3323 states have internal predecessors, (4711), 380 states have call successors, (380), 167 states have call predecessors, (380), 167 states have return successors, (380), 380 states have call predecessors, (380), 380 states have call successors, (380) [2022-10-16 12:47:14,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3853 states to 3853 states and 5471 transitions. [2022-10-16 12:47:14,367 INFO L78 Accepts]: Start accepts. Automaton has 3853 states and 5471 transitions. Word has length 117 [2022-10-16 12:47:14,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:47:14,368 INFO L495 AbstractCegarLoop]: Abstraction has 3853 states and 5471 transitions. [2022-10-16 12:47:14,368 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-10-16 12:47:14,369 INFO L276 IsEmpty]: Start isEmpty. Operand 3853 states and 5471 transitions. [2022-10-16 12:47:14,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-10-16 12:47:14,372 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:47:14,373 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:47:14,437 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-10-16 12:47:14,586 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:47:14,586 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [abituguru3_wait_while_busyErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, abituguru3_wait_while_busyErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 76 more)] === [2022-10-16 12:47:14,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:47:14,587 INFO L85 PathProgramCache]: Analyzing trace with hash 1616747797, now seen corresponding path program 1 times [2022-10-16 12:47:14,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:47:14,587 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143188396] [2022-10-16 12:47:14,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:47:14,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:47:15,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:15,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-16 12:47:15,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:15,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:47:15,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:15,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-10-16 12:47:15,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:15,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:47:15,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:15,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:47:15,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:15,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-16 12:47:15,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:15,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 12:47:15,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:15,908 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-10-16 12:47:15,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:47:15,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143188396] [2022-10-16 12:47:15,908 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1143188396] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:47:15,909 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:47:15,909 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 12:47:15,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181879890] [2022-10-16 12:47:15,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:47:15,910 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 12:47:15,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:47:15,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 12:47:15,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 12:47:15,911 INFO L87 Difference]: Start difference. First operand 3853 states and 5471 transitions. Second operand has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 3 states have internal predecessors, (91), 1 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-10-16 12:47:18,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:47:18,222 INFO L93 Difference]: Finished difference Result 8064 states and 11514 transitions. [2022-10-16 12:47:18,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 12:47:18,226 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 3 states have internal predecessors, (91), 1 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 117 [2022-10-16 12:47:18,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:47:18,238 INFO L225 Difference]: With dead ends: 8064 [2022-10-16 12:47:18,238 INFO L226 Difference]: Without dead ends: 4925 [2022-10-16 12:47:18,245 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-10-16 12:47:18,246 INFO L413 NwaCegarLoop]: 1328 mSDtfsCounter, 1044 mSDsluCounter, 1896 mSDsCounter, 0 mSdLazyCounter, 747 mSolverCounterSat, 382 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1108 SdHoareTripleChecker+Valid, 3224 SdHoareTripleChecker+Invalid, 1129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 382 IncrementalHoareTripleChecker+Valid, 747 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-10-16 12:47:18,246 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1108 Valid, 3224 Invalid, 1129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [382 Valid, 747 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-10-16 12:47:18,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4925 states. [2022-10-16 12:47:18,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4925 to 4416. [2022-10-16 12:47:18,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4416 states, 3725 states have (on average 1.4531543624161074) internal successors, (5413), 3809 states have internal predecessors, (5413), 436 states have call successors, (436), 191 states have call predecessors, (436), 191 states have return successors, (436), 436 states have call predecessors, (436), 436 states have call successors, (436) [2022-10-16 12:47:18,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4416 states to 4416 states and 6285 transitions. [2022-10-16 12:47:18,658 INFO L78 Accepts]: Start accepts. Automaton has 4416 states and 6285 transitions. Word has length 117 [2022-10-16 12:47:18,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:47:18,659 INFO L495 AbstractCegarLoop]: Abstraction has 4416 states and 6285 transitions. [2022-10-16 12:47:18,659 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 3 states have internal predecessors, (91), 1 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-10-16 12:47:18,659 INFO L276 IsEmpty]: Start isEmpty. Operand 4416 states and 6285 transitions. [2022-10-16 12:47:18,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-10-16 12:47:18,662 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:47:18,663 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:47:18,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-16 12:47:18,663 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [abituguru3_wait_while_busyErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, abituguru3_wait_while_busyErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 76 more)] === [2022-10-16 12:47:18,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:47:18,663 INFO L85 PathProgramCache]: Analyzing trace with hash -1972953489, now seen corresponding path program 2 times [2022-10-16 12:47:18,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:47:18,664 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263027753] [2022-10-16 12:47:18,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:47:18,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:47:19,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:21,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-16 12:47:21,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:21,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:47:21,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:21,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 12:47:21,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:21,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:47:21,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:21,069 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 0 proven. 375 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-16 12:47:21,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:47:21,070 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263027753] [2022-10-16 12:47:21,070 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [263027753] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 12:47:21,070 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [596761704] [2022-10-16 12:47:21,070 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 12:47:21,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:47:21,071 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:47:21,072 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 12:47:21,081 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-10-16 12:47:23,405 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-10-16 12:47:23,405 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 12:47:23,456 INFO L263 TraceCheckSpWp]: Trace formula consists of 11869 conjuncts, 21 conjunts are in the unsatisfiable core [2022-10-16 12:47:23,463 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 12:47:23,577 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 379 trivial. 0 not checked. [2022-10-16 12:47:23,578 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 12:47:23,578 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [596761704] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:47:23,578 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 12:47:23,578 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [13] total 19 [2022-10-16 12:47:23,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878946369] [2022-10-16 12:47:23,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:47:23,579 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 12:47:23,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:47:23,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 12:47:23,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=252, Unknown=0, NotChecked=0, Total=342 [2022-10-16 12:47:23,581 INFO L87 Difference]: Start difference. First operand 4416 states and 6285 transitions. Second operand has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (3), 1 states have call predecessors, (3), 3 states have return successors, (4), 3 states have call predecessors, (4), 1 states have call successors, (4) [2022-10-16 12:47:24,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:47:24,310 INFO L93 Difference]: Finished difference Result 9286 states and 13274 transitions. [2022-10-16 12:47:24,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 12:47:24,311 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (3), 1 states have call predecessors, (3), 3 states have return successors, (4), 3 states have call predecessors, (4), 1 states have call successors, (4) Word has length 117 [2022-10-16 12:47:24,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:47:24,327 INFO L225 Difference]: With dead ends: 9286 [2022-10-16 12:47:24,327 INFO L226 Difference]: Without dead ends: 4916 [2022-10-16 12:47:24,338 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=90, Invalid=252, Unknown=0, NotChecked=0, Total=342 [2022-10-16 12:47:24,339 INFO L413 NwaCegarLoop]: 1006 mSDtfsCounter, 177 mSDsluCounter, 4829 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 5835 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 12:47:24,339 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 5835 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 12:47:24,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4916 states. [2022-10-16 12:47:24,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4916 to 4423. [2022-10-16 12:47:24,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4423 states, 3730 states have (on average 1.4525469168900804) internal successors, (5418), 3814 states have internal predecessors, (5418), 436 states have call successors, (436), 191 states have call predecessors, (436), 193 states have return successors, (439), 438 states have call predecessors, (439), 436 states have call successors, (439) [2022-10-16 12:47:24,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4423 states to 4423 states and 6293 transitions. [2022-10-16 12:47:24,659 INFO L78 Accepts]: Start accepts. Automaton has 4423 states and 6293 transitions. Word has length 117 [2022-10-16 12:47:24,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:47:24,660 INFO L495 AbstractCegarLoop]: Abstraction has 4423 states and 6293 transitions. [2022-10-16 12:47:24,660 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (3), 1 states have call predecessors, (3), 3 states have return successors, (4), 3 states have call predecessors, (4), 1 states have call successors, (4) [2022-10-16 12:47:24,660 INFO L276 IsEmpty]: Start isEmpty. Operand 4423 states and 6293 transitions. [2022-10-16 12:47:24,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-10-16 12:47:24,664 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:47:24,664 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 10, 10, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:47:24,730 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-10-16 12:47:24,879 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2022-10-16 12:47:24,880 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [abituguru3_wait_while_busyErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, abituguru3_wait_while_busyErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 76 more)] === [2022-10-16 12:47:24,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:47:24,880 INFO L85 PathProgramCache]: Analyzing trace with hash -647469214, now seen corresponding path program 1 times [2022-10-16 12:47:24,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:47:24,881 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951085782] [2022-10-16 12:47:24,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:47:24,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:47:25,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:27,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-16 12:47:27,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:27,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:47:27,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:27,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 12:47:27,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:27,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:47:27,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:27,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 12:47:27,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:27,119 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 0 proven. 375 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-16 12:47:27,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:47:27,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951085782] [2022-10-16 12:47:27,120 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [951085782] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 12:47:27,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [914847977] [2022-10-16 12:47:27,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:47:27,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:47:27,120 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:47:27,122 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 12:47:27,132 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-10-16 12:47:29,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:29,472 INFO L263 TraceCheckSpWp]: Trace formula consists of 12132 conjuncts, 12 conjunts are in the unsatisfiable core [2022-10-16 12:47:29,479 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 12:47:29,618 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 0 proven. 375 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-16 12:47:29,618 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 12:47:30,001 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 0 proven. 375 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-16 12:47:30,002 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [914847977] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 12:47:30,002 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 12:47:30,002 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 12] total 25 [2022-10-16 12:47:30,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145588476] [2022-10-16 12:47:30,002 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 12:47:30,003 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-10-16 12:47:30,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:47:30,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-10-16 12:47:30,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=302, Invalid=348, Unknown=0, NotChecked=0, Total=650 [2022-10-16 12:47:30,005 INFO L87 Difference]: Start difference. First operand 4423 states and 6293 transitions. Second operand has 26 states, 25 states have (on average 7.88) internal successors, (197), 25 states have internal predecessors, (197), 1 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-10-16 12:47:39,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:47:39,291 INFO L93 Difference]: Finished difference Result 52455 states and 81830 transitions. [2022-10-16 12:47:39,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-10-16 12:47:39,292 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 7.88) internal successors, (197), 25 states have internal predecessors, (197), 1 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 125 [2022-10-16 12:47:39,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:47:39,409 INFO L225 Difference]: With dead ends: 52455 [2022-10-16 12:47:39,409 INFO L226 Difference]: Without dead ends: 52454 [2022-10-16 12:47:39,420 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 270 GetRequests, 246 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=302, Invalid=348, Unknown=0, NotChecked=0, Total=650 [2022-10-16 12:47:39,421 INFO L413 NwaCegarLoop]: 1727 mSDtfsCounter, 16954 mSDsluCounter, 12860 mSDsCounter, 0 mSdLazyCounter, 3111 mSolverCounterSat, 1779 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17807 SdHoareTripleChecker+Valid, 14587 SdHoareTripleChecker+Invalid, 4890 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1779 IncrementalHoareTripleChecker+Valid, 3111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-10-16 12:47:39,421 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17807 Valid, 14587 Invalid, 4890 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1779 Valid, 3111 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2022-10-16 12:47:39,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52454 states. [2022-10-16 12:47:40,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52454 to 4567. [2022-10-16 12:47:40,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4567 states, 3874 states have (on average 1.4481156427465152) internal successors, (5610), 3958 states have internal predecessors, (5610), 436 states have call successors, (436), 191 states have call predecessors, (436), 193 states have return successors, (439), 438 states have call predecessors, (439), 436 states have call successors, (439) [2022-10-16 12:47:40,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4567 states to 4567 states and 6485 transitions. [2022-10-16 12:47:40,629 INFO L78 Accepts]: Start accepts. Automaton has 4567 states and 6485 transitions. Word has length 125 [2022-10-16 12:47:40,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:47:40,630 INFO L495 AbstractCegarLoop]: Abstraction has 4567 states and 6485 transitions. [2022-10-16 12:47:40,630 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 7.88) internal successors, (197), 25 states have internal predecessors, (197), 1 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-10-16 12:47:40,630 INFO L276 IsEmpty]: Start isEmpty. Operand 4567 states and 6485 transitions. [2022-10-16 12:47:40,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2022-10-16 12:47:40,634 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:47:40,634 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:47:40,686 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-10-16 12:47:40,849 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2022-10-16 12:47:40,850 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting abituguru3_wait_while_busyErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [abituguru3_wait_while_busyErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, abituguru3_wait_while_busyErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 76 more)] === [2022-10-16 12:47:40,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:47:40,851 INFO L85 PathProgramCache]: Analyzing trace with hash -1687083161, now seen corresponding path program 1 times [2022-10-16 12:47:40,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:47:40,851 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454053802] [2022-10-16 12:47:40,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:47:40,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:47:41,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:42,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-16 12:47:42,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:42,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:47:42,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:42,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 12:47:42,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:42,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:47:42,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:42,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 12:47:42,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:42,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-10-16 12:47:42,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:42,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-10-16 12:47:42,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:42,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-10-16 12:47:42,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:42,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-10-16 12:47:42,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:42,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:47:42,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:42,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-10-16 12:47:42,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:42,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:47:42,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:42,401 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2022-10-16 12:47:42,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:47:42,402 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454053802] [2022-10-16 12:47:42,402 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [454053802] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 12:47:42,402 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1408823941] [2022-10-16 12:47:42,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:47:42,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:47:42,403 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:47:42,404 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 12:47:42,428 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-10-16 12:47:44,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:44,875 INFO L263 TraceCheckSpWp]: Trace formula consists of 12517 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 12:47:44,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 12:47:44,926 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2022-10-16 12:47:44,927 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 12:47:45,025 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2022-10-16 12:47:45,026 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1408823941] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 12:47:45,026 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 12:47:45,026 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 7 [2022-10-16 12:47:45,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071728285] [2022-10-16 12:47:45,027 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 12:47:45,027 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 12:47:45,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:47:45,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 12:47:45,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-10-16 12:47:45,028 INFO L87 Difference]: Start difference. First operand 4567 states and 6485 transitions. Second operand has 8 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 6 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (13), 6 states have call predecessors, (13), 6 states have call successors, (13) [2022-10-16 12:47:47,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:47:47,056 INFO L93 Difference]: Finished difference Result 9399 states and 13788 transitions. [2022-10-16 12:47:47,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 12:47:47,057 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 6 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (13), 6 states have call predecessors, (13), 6 states have call successors, (13) Word has length 137 [2022-10-16 12:47:47,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:47:47,081 INFO L225 Difference]: With dead ends: 9399 [2022-10-16 12:47:47,082 INFO L226 Difference]: Without dead ends: 5294 [2022-10-16 12:47:47,099 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 303 GetRequests, 293 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2022-10-16 12:47:47,100 INFO L413 NwaCegarLoop]: 780 mSDtfsCounter, 344 mSDsluCounter, 1534 mSDsCounter, 0 mSdLazyCounter, 746 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 414 SdHoareTripleChecker+Valid, 2314 SdHoareTripleChecker+Invalid, 858 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 746 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-10-16 12:47:47,100 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [414 Valid, 2314 Invalid, 858 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 746 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-10-16 12:47:47,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5294 states. [2022-10-16 12:47:47,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5294 to 4777. [2022-10-16 12:47:47,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4777 states, 4063 states have (on average 1.4393305439330544) internal successors, (5848), 4147 states have internal predecessors, (5848), 457 states have call successors, (457), 191 states have call predecessors, (457), 193 states have return successors, (460), 459 states have call predecessors, (460), 457 states have call successors, (460) [2022-10-16 12:47:47,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4777 states to 4777 states and 6765 transitions. [2022-10-16 12:47:47,804 INFO L78 Accepts]: Start accepts. Automaton has 4777 states and 6765 transitions. Word has length 137 [2022-10-16 12:47:47,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:47:47,804 INFO L495 AbstractCegarLoop]: Abstraction has 4777 states and 6765 transitions. [2022-10-16 12:47:47,805 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 6 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (13), 6 states have call predecessors, (13), 6 states have call successors, (13) [2022-10-16 12:47:47,805 INFO L276 IsEmpty]: Start isEmpty. Operand 4777 states and 6765 transitions. [2022-10-16 12:47:47,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-10-16 12:47:47,808 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:47:47,809 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:47:47,880 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-10-16 12:47:48,025 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2022-10-16 12:47:48,026 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [abituguru3_wait_while_busyErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, abituguru3_wait_while_busyErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 76 more)] === [2022-10-16 12:47:48,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:47:48,026 INFO L85 PathProgramCache]: Analyzing trace with hash -48306632, now seen corresponding path program 1 times [2022-10-16 12:47:48,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:47:48,026 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962477058] [2022-10-16 12:47:48,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:47:48,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:47:48,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:48,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-16 12:47:48,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:48,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:47:48,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:48,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 12:47:49,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:49,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:47:49,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:49,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 12:47:49,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:49,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-10-16 12:47:49,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:49,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-10-16 12:47:49,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:49,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-10-16 12:47:49,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:49,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-10-16 12:47:49,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:49,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:47:49,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:49,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-10-16 12:47:49,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:49,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:47:49,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:49,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-10-16 12:47:49,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:49,051 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-10-16 12:47:49,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:47:49,051 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962477058] [2022-10-16 12:47:49,051 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1962477058] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:47:49,051 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:47:49,051 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 12:47:49,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960703580] [2022-10-16 12:47:49,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:47:49,052 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 12:47:49,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:47:49,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 12:47:49,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:47:49,053 INFO L87 Difference]: Start difference. First operand 4777 states and 6765 transitions. Second operand has 5 states, 4 states have (on average 24.5) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-10-16 12:47:52,471 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:47:53,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:47:53,580 INFO L93 Difference]: Finished difference Result 10102 states and 14607 transitions. [2022-10-16 12:47:53,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 12:47:53,580 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 24.5) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 136 [2022-10-16 12:47:53,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:47:53,604 INFO L225 Difference]: With dead ends: 10102 [2022-10-16 12:47:53,604 INFO L226 Difference]: Without dead ends: 5787 [2022-10-16 12:47:53,616 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 26 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 12:47:53,617 INFO L413 NwaCegarLoop]: 737 mSDtfsCounter, 606 mSDsluCounter, 1250 mSDsCounter, 0 mSdLazyCounter, 718 mSolverCounterSat, 294 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 634 SdHoareTripleChecker+Valid, 1987 SdHoareTripleChecker+Invalid, 1013 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 294 IncrementalHoareTripleChecker+Valid, 718 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-10-16 12:47:53,617 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [634 Valid, 1987 Invalid, 1013 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [294 Valid, 718 Invalid, 1 Unknown, 0 Unchecked, 3.8s Time] [2022-10-16 12:47:53,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5787 states. [2022-10-16 12:47:54,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5787 to 4976. [2022-10-16 12:47:54,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4976 states, 4252 states have (on average 1.4280338664158043) internal successors, (6072), 4332 states have internal predecessors, (6072), 471 states have call successors, (471), 191 states have call predecessors, (471), 193 states have return successors, (474), 473 states have call predecessors, (474), 471 states have call successors, (474) [2022-10-16 12:47:54,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4976 states to 4976 states and 7017 transitions. [2022-10-16 12:47:54,623 INFO L78 Accepts]: Start accepts. Automaton has 4976 states and 7017 transitions. Word has length 136 [2022-10-16 12:47:54,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:47:54,623 INFO L495 AbstractCegarLoop]: Abstraction has 4976 states and 7017 transitions. [2022-10-16 12:47:54,623 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 24.5) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-10-16 12:47:54,624 INFO L276 IsEmpty]: Start isEmpty. Operand 4976 states and 7017 transitions. [2022-10-16 12:47:54,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-10-16 12:47:54,626 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:47:54,627 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:47:54,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-10-16 12:47:54,627 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [abituguru3_wait_while_busyErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, abituguru3_wait_while_busyErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 76 more)] === [2022-10-16 12:47:54,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:47:54,627 INFO L85 PathProgramCache]: Analyzing trace with hash -1332773677, now seen corresponding path program 1 times [2022-10-16 12:47:54,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:47:54,628 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423932073] [2022-10-16 12:47:54,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:47:54,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:47:54,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:56,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-16 12:47:56,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:56,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:47:56,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:56,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 12:47:56,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:56,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:47:56,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:56,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 12:47:56,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:56,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-10-16 12:47:56,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:56,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-10-16 12:47:56,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:56,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-10-16 12:47:56,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:56,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-10-16 12:47:56,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:56,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:47:56,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:56,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-10-16 12:47:56,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:56,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:47:56,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:56,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-10-16 12:47:56,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:56,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-10-16 12:47:56,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:56,167 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-10-16 12:47:56,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:47:56,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423932073] [2022-10-16 12:47:56,168 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1423932073] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 12:47:56,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1508213854] [2022-10-16 12:47:56,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:47:56,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:47:56,169 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:47:56,174 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 12:47:56,183 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-10-16 12:47:58,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:58,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 12553 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 12:47:58,772 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 12:47:58,805 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-10-16 12:47:58,806 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 12:47:58,903 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-10-16 12:47:58,904 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1508213854] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 12:47:58,904 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 12:47:58,904 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 3, 3] total 8 [2022-10-16 12:47:58,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659900440] [2022-10-16 12:47:58,905 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 12:47:58,905 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 12:47:58,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:47:58,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 12:47:58,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2022-10-16 12:47:58,907 INFO L87 Difference]: Start difference. First operand 4976 states and 7017 transitions. Second operand has 9 states, 8 states have (on average 14.75) internal successors, (118), 7 states have internal predecessors, (118), 6 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2022-10-16 12:48:02,743 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:48:04,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:48:04,580 INFO L93 Difference]: Finished difference Result 11863 states and 17232 transitions. [2022-10-16 12:48:04,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-16 12:48:04,581 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 14.75) internal successors, (118), 7 states have internal predecessors, (118), 6 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) Word has length 144 [2022-10-16 12:48:04,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:48:04,604 INFO L225 Difference]: With dead ends: 11863 [2022-10-16 12:48:04,604 INFO L226 Difference]: Without dead ends: 7349 [2022-10-16 12:48:04,614 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 319 GetRequests, 311 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-10-16 12:48:04,615 INFO L413 NwaCegarLoop]: 939 mSDtfsCounter, 1005 mSDsluCounter, 2614 mSDsCounter, 0 mSdLazyCounter, 1558 mSolverCounterSat, 378 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1054 SdHoareTripleChecker+Valid, 3553 SdHoareTripleChecker+Invalid, 1937 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 378 IncrementalHoareTripleChecker+Valid, 1558 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-10-16 12:48:04,615 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1054 Valid, 3553 Invalid, 1937 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [378 Valid, 1558 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2022-10-16 12:48:04,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7349 states. [2022-10-16 12:48:05,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7349 to 5375. [2022-10-16 12:48:05,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5375 states, 4609 states have (on average 1.4328487741375568) internal successors, (6604), 4689 states have internal predecessors, (6604), 513 states have call successors, (513), 191 states have call predecessors, (513), 193 states have return successors, (516), 515 states have call predecessors, (516), 513 states have call successors, (516) [2022-10-16 12:48:05,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5375 states to 5375 states and 7633 transitions. [2022-10-16 12:48:05,219 INFO L78 Accepts]: Start accepts. Automaton has 5375 states and 7633 transitions. Word has length 144 [2022-10-16 12:48:05,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:48:05,219 INFO L495 AbstractCegarLoop]: Abstraction has 5375 states and 7633 transitions. [2022-10-16 12:48:05,220 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 14.75) internal successors, (118), 7 states have internal predecessors, (118), 6 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2022-10-16 12:48:05,220 INFO L276 IsEmpty]: Start isEmpty. Operand 5375 states and 7633 transitions. [2022-10-16 12:48:05,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-10-16 12:48:05,223 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:48:05,223 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:48:05,284 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-10-16 12:48:05,439 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2022-10-16 12:48:05,440 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [abituguru3_wait_while_busyErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, abituguru3_wait_while_busyErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 76 more)] === [2022-10-16 12:48:05,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:48:05,441 INFO L85 PathProgramCache]: Analyzing trace with hash 1633689695, now seen corresponding path program 1 times [2022-10-16 12:48:05,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:48:05,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034385998] [2022-10-16 12:48:05,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:48:05,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:48:05,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:06,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-16 12:48:06,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:06,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:48:06,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:06,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 12:48:06,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:06,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:48:06,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:06,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 12:48:06,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:06,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-10-16 12:48:06,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:06,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-10-16 12:48:06,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:06,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-10-16 12:48:06,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:06,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-10-16 12:48:06,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:06,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:48:06,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:06,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-10-16 12:48:06,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:06,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:48:06,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:06,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-10-16 12:48:06,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:06,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-10-16 12:48:06,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:06,624 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-10-16 12:48:06,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:48:06,624 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034385998] [2022-10-16 12:48:06,624 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1034385998] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 12:48:06,624 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1814235566] [2022-10-16 12:48:06,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:48:06,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:48:06,625 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:48:06,630 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 12:48:06,632 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-10-16 12:48:09,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:09,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 12554 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 12:48:09,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 12:48:09,151 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-10-16 12:48:09,151 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 12:48:09,152 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1814235566] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:48:09,152 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 12:48:09,152 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-10-16 12:48:09,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620803454] [2022-10-16 12:48:09,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:48:09,153 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:48:09,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:48:09,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:48:09,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-10-16 12:48:09,154 INFO L87 Difference]: Start difference. First operand 5375 states and 7633 transitions. Second operand has 4 states, 3 states have (on average 34.333333333333336) internal successors, (103), 4 states have internal predecessors, (103), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-10-16 12:48:11,537 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:48:12,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:48:12,222 INFO L93 Difference]: Finished difference Result 11350 states and 16281 transitions. [2022-10-16 12:48:12,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 12:48:12,223 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 34.333333333333336) internal successors, (103), 4 states have internal predecessors, (103), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 145 [2022-10-16 12:48:12,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:48:12,243 INFO L225 Difference]: With dead ends: 11350 [2022-10-16 12:48:12,243 INFO L226 Difference]: Without dead ends: 6437 [2022-10-16 12:48:12,255 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-10-16 12:48:12,256 INFO L413 NwaCegarLoop]: 1009 mSDtfsCounter, 306 mSDsluCounter, 1423 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 20 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 323 SdHoareTripleChecker+Valid, 2432 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-10-16 12:48:12,257 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [323 Valid, 2432 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 104 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2022-10-16 12:48:12,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6437 states. [2022-10-16 12:48:13,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6437 to 5442. [2022-10-16 12:48:13,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5442 states, 4679 states have (on average 1.4173968796751442) internal successors, (6632), 4756 states have internal predecessors, (6632), 513 states have call successors, (513), 191 states have call predecessors, (513), 193 states have return successors, (516), 515 states have call predecessors, (516), 513 states have call successors, (516) [2022-10-16 12:48:13,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5442 states to 5442 states and 7661 transitions. [2022-10-16 12:48:13,036 INFO L78 Accepts]: Start accepts. Automaton has 5442 states and 7661 transitions. Word has length 145 [2022-10-16 12:48:13,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:48:13,036 INFO L495 AbstractCegarLoop]: Abstraction has 5442 states and 7661 transitions. [2022-10-16 12:48:13,037 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 34.333333333333336) internal successors, (103), 4 states have internal predecessors, (103), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-10-16 12:48:13,037 INFO L276 IsEmpty]: Start isEmpty. Operand 5442 states and 7661 transitions. [2022-10-16 12:48:13,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-10-16 12:48:13,040 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:48:13,040 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:48:13,083 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-10-16 12:48:13,240 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2022-10-16 12:48:13,241 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [abituguru3_wait_while_busyErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, abituguru3_wait_while_busyErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 76 more)] === [2022-10-16 12:48:13,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:48:13,242 INFO L85 PathProgramCache]: Analyzing trace with hash 810905876, now seen corresponding path program 1 times [2022-10-16 12:48:13,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:48:13,242 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10663698] [2022-10-16 12:48:13,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:48:13,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:48:13,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:13,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-16 12:48:13,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:13,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:48:13,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:13,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-10-16 12:48:13,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:13,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:48:13,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:13,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:48:13,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:13,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-16 12:48:13,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:13,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 12:48:13,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:13,995 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-10-16 12:48:13,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:48:13,996 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10663698] [2022-10-16 12:48:13,996 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10663698] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:48:13,996 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:48:13,996 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 12:48:13,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837337534] [2022-10-16 12:48:13,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:48:13,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 12:48:13,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:48:13,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 12:48:13,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 12:48:13,997 INFO L87 Difference]: Start difference. First operand 5442 states and 7661 transitions. Second operand has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 3 states have internal predecessors, (95), 1 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-10-16 12:48:16,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:48:16,667 INFO L93 Difference]: Finished difference Result 11133 states and 15776 transitions. [2022-10-16 12:48:16,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 12:48:16,668 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 3 states have internal predecessors, (95), 1 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 134 [2022-10-16 12:48:16,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:48:16,691 INFO L225 Difference]: With dead ends: 11133 [2022-10-16 12:48:16,691 INFO L226 Difference]: Without dead ends: 6682 [2022-10-16 12:48:16,704 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-10-16 12:48:16,705 INFO L413 NwaCegarLoop]: 1316 mSDtfsCounter, 1034 mSDsluCounter, 1977 mSDsCounter, 0 mSdLazyCounter, 753 mSolverCounterSat, 379 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1098 SdHoareTripleChecker+Valid, 3293 SdHoareTripleChecker+Invalid, 1132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 379 IncrementalHoareTripleChecker+Valid, 753 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-10-16 12:48:16,706 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1098 Valid, 3293 Invalid, 1132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [379 Valid, 753 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-10-16 12:48:16,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6682 states. [2022-10-16 12:48:17,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6682 to 6131. [2022-10-16 12:48:17,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6131 states, 5277 states have (on average 1.4174720485124124) internal successors, (7480), 5357 states have internal predecessors, (7480), 580 states have call successors, (580), 215 states have call predecessors, (580), 217 states have return successors, (583), 582 states have call predecessors, (583), 580 states have call successors, (583) [2022-10-16 12:48:17,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6131 states to 6131 states and 8643 transitions. [2022-10-16 12:48:17,660 INFO L78 Accepts]: Start accepts. Automaton has 6131 states and 8643 transitions. Word has length 134 [2022-10-16 12:48:17,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:48:17,660 INFO L495 AbstractCegarLoop]: Abstraction has 6131 states and 8643 transitions. [2022-10-16 12:48:17,660 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 3 states have internal predecessors, (95), 1 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-10-16 12:48:17,660 INFO L276 IsEmpty]: Start isEmpty. Operand 6131 states and 8643 transitions. [2022-10-16 12:48:17,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2022-10-16 12:48:17,663 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:48:17,664 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:48:17,664 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-10-16 12:48:17,664 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting abituguru3_update_deviceErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [abituguru3_wait_while_busyErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, abituguru3_wait_while_busyErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 76 more)] === [2022-10-16 12:48:17,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:48:17,664 INFO L85 PathProgramCache]: Analyzing trace with hash -445243552, now seen corresponding path program 1 times [2022-10-16 12:48:17,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:48:17,665 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690748693] [2022-10-16 12:48:17,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:48:17,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:48:17,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:18,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-16 12:48:18,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:18,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:48:18,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:18,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 12:48:18,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:18,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:48:18,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:18,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 12:48:18,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:18,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-10-16 12:48:18,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:18,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-10-16 12:48:18,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:18,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-10-16 12:48:18,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:18,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-10-16 12:48:18,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:19,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:48:19,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:19,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-10-16 12:48:19,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:19,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:48:19,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:19,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-10-16 12:48:19,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:19,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:48:19,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:19,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-10-16 12:48:19,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:19,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-10-16 12:48:19,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:19,076 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-10-16 12:48:19,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:48:19,076 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690748693] [2022-10-16 12:48:19,076 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [690748693] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:48:19,077 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:48:19,077 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-10-16 12:48:19,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979736900] [2022-10-16 12:48:19,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:48:19,078 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-16 12:48:19,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:48:19,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-16 12:48:19,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-10-16 12:48:19,079 INFO L87 Difference]: Start difference. First operand 6131 states and 8643 transitions. Second operand has 10 states, 10 states have (on average 10.6) internal successors, (106), 6 states have internal predecessors, (106), 2 states have call successors, (16), 5 states have call predecessors, (16), 2 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) [2022-10-16 12:48:23,662 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:48:25,693 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:48:26,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:48:26,981 INFO L93 Difference]: Finished difference Result 12713 states and 18378 transitions. [2022-10-16 12:48:26,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-16 12:48:26,982 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.6) internal successors, (106), 6 states have internal predecessors, (106), 2 states have call successors, (16), 5 states have call predecessors, (16), 2 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) Word has length 154 [2022-10-16 12:48:26,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:48:27,007 INFO L225 Difference]: With dead ends: 12713 [2022-10-16 12:48:27,008 INFO L226 Difference]: Without dead ends: 7044 [2022-10-16 12:48:27,023 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2022-10-16 12:48:27,024 INFO L413 NwaCegarLoop]: 749 mSDtfsCounter, 836 mSDsluCounter, 3649 mSDsCounter, 0 mSdLazyCounter, 2131 mSolverCounterSat, 424 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 855 SdHoareTripleChecker+Valid, 4398 SdHoareTripleChecker+Invalid, 2557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 424 IncrementalHoareTripleChecker+Valid, 2131 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2022-10-16 12:48:27,025 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [855 Valid, 4398 Invalid, 2557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [424 Valid, 2131 Invalid, 2 Unknown, 0 Unchecked, 6.7s Time] [2022-10-16 12:48:27,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7044 states. [2022-10-16 12:48:27,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7044 to 6179. [2022-10-16 12:48:27,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6179 states, 5317 states have (on average 1.4143313898815122) internal successors, (7520), 5397 states have internal predecessors, (7520), 580 states have call successors, (580), 215 states have call predecessors, (580), 225 states have return successors, (615), 590 states have call predecessors, (615), 580 states have call successors, (615) [2022-10-16 12:48:27,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6179 states to 6179 states and 8715 transitions. [2022-10-16 12:48:27,894 INFO L78 Accepts]: Start accepts. Automaton has 6179 states and 8715 transitions. Word has length 154 [2022-10-16 12:48:27,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:48:27,894 INFO L495 AbstractCegarLoop]: Abstraction has 6179 states and 8715 transitions. [2022-10-16 12:48:27,895 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.6) internal successors, (106), 6 states have internal predecessors, (106), 2 states have call successors, (16), 5 states have call predecessors, (16), 2 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) [2022-10-16 12:48:27,895 INFO L276 IsEmpty]: Start isEmpty. Operand 6179 states and 8715 transitions. [2022-10-16 12:48:27,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-10-16 12:48:27,899 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:48:27,900 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:48:27,900 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-10-16 12:48:27,900 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [abituguru3_wait_while_busyErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, abituguru3_wait_while_busyErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 76 more)] === [2022-10-16 12:48:27,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:48:27,901 INFO L85 PathProgramCache]: Analyzing trace with hash 203095209, now seen corresponding path program 1 times [2022-10-16 12:48:27,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:48:27,901 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314689881] [2022-10-16 12:48:27,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:48:27,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:48:28,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:28,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-16 12:48:28,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:28,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:48:28,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:28,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-10-16 12:48:28,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:28,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:48:28,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:28,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:48:28,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:28,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-16 12:48:28,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:28,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 12:48:28,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:28,698 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-10-16 12:48:28,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:48:28,698 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314689881] [2022-10-16 12:48:28,699 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314689881] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:48:28,699 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:48:28,699 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 12:48:28,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730228695] [2022-10-16 12:48:28,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:48:28,700 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 12:48:28,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:48:28,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 12:48:28,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 12:48:28,700 INFO L87 Difference]: Start difference. First operand 6179 states and 8715 transitions. Second operand has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 3 states have internal predecessors, (95), 1 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-10-16 12:48:31,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:48:31,382 INFO L93 Difference]: Finished difference Result 12661 states and 17990 transitions. [2022-10-16 12:48:31,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 12:48:31,382 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 3 states have internal predecessors, (95), 1 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 138 [2022-10-16 12:48:31,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:48:31,400 INFO L225 Difference]: With dead ends: 12661 [2022-10-16 12:48:31,400 INFO L226 Difference]: Without dead ends: 7479 [2022-10-16 12:48:31,411 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-10-16 12:48:31,412 INFO L413 NwaCegarLoop]: 1317 mSDtfsCounter, 1241 mSDsluCounter, 1863 mSDsCounter, 0 mSdLazyCounter, 726 mSolverCounterSat, 520 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1305 SdHoareTripleChecker+Valid, 3180 SdHoareTripleChecker+Invalid, 1246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 520 IncrementalHoareTripleChecker+Valid, 726 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-10-16 12:48:31,412 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1305 Valid, 3180 Invalid, 1246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [520 Valid, 726 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-10-16 12:48:31,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7479 states. [2022-10-16 12:48:32,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7479 to 6874. [2022-10-16 12:48:32,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6874 states, 5920 states have (on average 1.414358108108108) internal successors, (8373), 6003 states have internal predecessors, (8373), 647 states have call successors, (647), 239 states have call predecessors, (647), 250 states have return successors, (686), 658 states have call predecessors, (686), 647 states have call successors, (686) [2022-10-16 12:48:32,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6874 states to 6874 states and 9706 transitions. [2022-10-16 12:48:32,195 INFO L78 Accepts]: Start accepts. Automaton has 6874 states and 9706 transitions. Word has length 138 [2022-10-16 12:48:32,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:48:32,195 INFO L495 AbstractCegarLoop]: Abstraction has 6874 states and 9706 transitions. [2022-10-16 12:48:32,195 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 3 states have internal predecessors, (95), 1 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-10-16 12:48:32,196 INFO L276 IsEmpty]: Start isEmpty. Operand 6874 states and 9706 transitions. [2022-10-16 12:48:32,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-10-16 12:48:32,199 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:48:32,200 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:48:32,200 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-10-16 12:48:32,200 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [abituguru3_wait_while_busyErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, abituguru3_wait_while_busyErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 76 more)] === [2022-10-16 12:48:32,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:48:32,200 INFO L85 PathProgramCache]: Analyzing trace with hash -1278576736, now seen corresponding path program 1 times [2022-10-16 12:48:32,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:48:32,201 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426477946] [2022-10-16 12:48:32,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:48:32,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:48:32,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:32,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-16 12:48:32,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:32,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:48:32,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:32,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-10-16 12:48:32,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:32,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:48:32,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:32,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:48:32,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:32,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-16 12:48:32,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:32,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 12:48:32,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:32,958 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2022-10-16 12:48:32,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:48:32,958 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426477946] [2022-10-16 12:48:32,958 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [426477946] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:48:32,958 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:48:32,958 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 12:48:32,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040599476] [2022-10-16 12:48:32,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:48:32,959 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 12:48:32,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:48:32,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 12:48:32,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 12:48:32,960 INFO L87 Difference]: Start difference. First operand 6874 states and 9706 transitions. Second operand has 6 states, 6 states have (on average 16.0) internal successors, (96), 3 states have internal predecessors, (96), 1 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)