/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 [2022-10-15 21:06:16,317 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 21:06:16,320 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 21:06:16,355 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 21:06:16,356 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 21:06:16,358 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 21:06:16,359 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 21:06:16,362 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 21:06:16,364 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 21:06:16,365 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 21:06:16,366 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 21:06:16,368 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 21:06:16,368 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 21:06:16,370 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 21:06:16,371 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 21:06:16,392 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 21:06:16,393 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 21:06:16,396 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 21:06:16,398 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 21:06:16,400 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 21:06:16,402 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 21:06:16,404 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 21:06:16,406 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 21:06:16,408 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 21:06:16,419 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-15 21:06:16,420 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-15 21:06:16,420 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-15 21:06:16,424 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-15 21:06:16,424 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-15 21:06:16,426 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-15 21:06:16,426 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 21:06:16,430 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 21:06:16,431 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 21:06:16,433 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 21:06:16,435 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 21:06:16,435 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 21:06:16,436 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 21:06:16,436 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 21:06:16,437 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 21:06:16,438 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 21:06:16,439 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 21:06:16,441 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 [2022-10-15 21:06:16,497 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 21:06:16,498 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 21:06:16,499 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 21:06:16,499 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 21:06:16,503 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 21:06:16,503 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 21:06:16,504 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 21:06:16,504 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 21:06:16,504 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 21:06:16,504 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 21:06:16,505 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 21:06:16,505 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 21:06:16,505 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 21:06:16,505 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 21:06:16,505 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 21:06:16,509 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 21:06:16,509 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 21:06:16,509 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 21:06:16,509 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 21:06:16,510 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 21:06:16,510 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 21:06:16,510 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 21:06:16,510 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 21:06:16,511 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 21:06:16,511 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 21:06:16,511 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 21:06:16,511 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:06:16,511 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 21:06:16,512 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 21:06:16,512 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 21:06:16,512 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 21:06:16,512 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 21:06:16,512 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 21:06:16,513 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 21:06:16,857 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 21:06:16,882 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 21:06:16,885 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 21:06:16,886 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 21:06:16,887 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 21:06:16,888 INFO L432 ainManager$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 [2022-10-15 21:06:16,960 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/247758976/5a6b4776669f4ff4a6000dfb9b38ec61/FLAG7db3732a7 [2022-10-15 21:06:17,850 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 21:06:17,851 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 [2022-10-15 21:06:17,911 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/247758976/5a6b4776669f4ff4a6000dfb9b38ec61/FLAG7db3732a7 [2022-10-15 21:06:17,950 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/247758976/5a6b4776669f4ff4a6000dfb9b38ec61 [2022-10-15 21:06:17,953 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 21:06:17,960 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 21:06:17,966 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 21:06:17,966 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 21:06:17,970 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 21:06:17,971 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:06:17" (1/1) ... [2022-10-15 21:06:17,973 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60df202a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:06:17, skipping insertion in model container [2022-10-15 21:06:17,973 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:06:17" (1/1) ... [2022-10-15 21:06:17,982 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 21:06:18,094 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 21:06:19,188 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] [2022-10-15 21:06:19,268 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:06:19,399 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 21:06:19,584 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] [2022-10-15 21:06:19,601 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:06:19,823 INFO L208 MainTranslator]: Completed translation [2022-10-15 21:06:19,823 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:06:19 WrapperNode [2022-10-15 21:06:19,824 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 21:06:19,825 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 21:06:19,825 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 21:06:19,825 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 21:06:19,834 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:06:19" (1/1) ... [2022-10-15 21:06:20,022 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:06:19" (1/1) ... [2022-10-15 21:06:20,301 INFO L138 Inliner]: procedures = 133, calls = 4943, calls flagged for inlining = 57, calls inlined = 51, statements flattened = 6076 [2022-10-15 21:06:20,301 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 21:06:20,302 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 21:06:20,303 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 21:06:20,303 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 21:06:20,363 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:06:19" (1/1) ... [2022-10-15 21:06:20,367 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:06:19" (1/1) ... [2022-10-15 21:06:20,475 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:06:19" (1/1) ... [2022-10-15 21:06:20,476 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:06:19" (1/1) ... [2022-10-15 21:06:20,640 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:06:19" (1/1) ... [2022-10-15 21:06:20,653 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:06:19" (1/1) ... [2022-10-15 21:06:20,675 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:06:19" (1/1) ... [2022-10-15 21:06:20,704 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:06:19" (1/1) ... [2022-10-15 21:06:20,746 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 21:06:20,748 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 21:06:20,748 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 21:06:20,749 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 21:06:20,750 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:06:19" (1/1) ... [2022-10-15 21:06:20,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:06:20,770 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:06:20,786 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) [2022-10-15 21:06:20,812 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 [2022-10-15 21:06:20,851 INFO L130 BoogieDeclarations]: Found specification of procedure abituguru3_wait_while_busy [2022-10-15 21:06:20,851 INFO L138 BoogieDeclarations]: Found implementation of procedure abituguru3_wait_while_busy [2022-10-15 21:06:20,851 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-10-15 21:06:20,852 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-10-15 21:06:20,852 INFO L130 BoogieDeclarations]: Found specification of procedure abituguru3_wait_for_read [2022-10-15 21:06:20,852 INFO L138 BoogieDeclarations]: Found implementation of procedure abituguru3_wait_for_read [2022-10-15 21:06:20,852 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-10-15 21:06:20,852 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-10-15 21:06:20,852 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2022-10-15 21:06:20,853 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2022-10-15 21:06:20,853 INFO L130 BoogieDeclarations]: Found specification of procedure dmi_get_system_info [2022-10-15 21:06:20,853 INFO L138 BoogieDeclarations]: Found implementation of procedure dmi_get_system_info [2022-10-15 21:06:20,853 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-15 21:06:20,853 INFO L130 BoogieDeclarations]: Found specification of procedure abituguru3_read [2022-10-15 21:06:20,853 INFO L138 BoogieDeclarations]: Found implementation of procedure abituguru3_read [2022-10-15 21:06:20,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-15 21:06:20,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-15 21:06:20,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-15 21:06:20,854 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-10-15 21:06:20,854 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-10-15 21:06:20,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-15 21:06:20,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-15 21:06:20,855 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2022-10-15 21:06:20,855 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2022-10-15 21:06:20,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_update_lock_of_abituguru3_data [2022-10-15 21:06:20,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_update_lock_of_abituguru3_data [2022-10-15 21:06:20,855 INFO L130 BoogieDeclarations]: Found specification of procedure abituguru3_suspend [2022-10-15 21:06:20,855 INFO L138 BoogieDeclarations]: Found implementation of procedure abituguru3_suspend [2022-10-15 21:06:20,855 INFO L130 BoogieDeclarations]: Found specification of procedure abituguru3_read_increment_offset [2022-10-15 21:06:20,855 INFO L138 BoogieDeclarations]: Found implementation of procedure abituguru3_read_increment_offset [2022-10-15 21:06:20,856 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-15 21:06:20,856 INFO L130 BoogieDeclarations]: Found specification of procedure inb_p [2022-10-15 21:06:20,856 INFO L138 BoogieDeclarations]: Found implementation of procedure inb_p [2022-10-15 21:06:20,856 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-10-15 21:06:20,856 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-10-15 21:06:20,856 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 21:06:20,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-15 21:06:20,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-15 21:06:20,857 INFO L130 BoogieDeclarations]: Found specification of procedure abituguru3_update_device [2022-10-15 21:06:20,857 INFO L138 BoogieDeclarations]: Found implementation of procedure abituguru3_update_device [2022-10-15 21:06:20,857 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-15 21:06:20,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-15 21:06:20,857 INFO L130 BoogieDeclarations]: Found specification of procedure platform_set_drvdata [2022-10-15 21:06:20,857 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_set_drvdata [2022-10-15 21:06:20,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-15 21:06:20,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_update_lock_of_abituguru3_data [2022-10-15 21:06:20,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_update_lock_of_abituguru3_data [2022-10-15 21:06:20,858 INFO L130 BoogieDeclarations]: Found specification of procedure strcspn [2022-10-15 21:06:20,858 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-10-15 21:06:20,858 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-10-15 21:06:20,858 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-10-15 21:06:20,859 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-10-15 21:06:20,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 21:06:20,859 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2022-10-15 21:06:20,859 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2022-10-15 21:06:20,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 21:06:20,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 21:06:20,860 INFO L130 BoogieDeclarations]: Found specification of procedure abituguru3_resume [2022-10-15 21:06:20,860 INFO L138 BoogieDeclarations]: Found implementation of procedure abituguru3_resume [2022-10-15 21:06:20,860 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-10-15 21:06:20,860 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-10-15 21:06:21,232 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 21:06:21,235 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 21:06:35,409 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 21:06:35,423 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 21:06:35,424 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 21:06:35,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:06:35 BoogieIcfgContainer [2022-10-15 21:06:35,427 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 21:06:35,430 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 21:06:35,430 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 21:06:35,434 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 21:06:35,434 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 09:06:17" (1/3) ... [2022-10-15 21:06:35,435 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19389dca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:06:35, skipping insertion in model container [2022-10-15 21:06:35,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:06:19" (2/3) ... [2022-10-15 21:06:35,435 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19389dca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:06:35, skipping insertion in model container [2022-10-15 21:06:35,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:06:35" (3/3) ... [2022-10-15 21:06:35,437 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--hwmon--abituguru3.ko-main.cil.out.i [2022-10-15 21:06:35,459 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 21:06:35,459 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 78 error locations. [2022-10-15 21:06:35,532 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 21:06:35,543 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;@33d2fc25, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 21:06:35,544 INFO L358 AbstractCegarLoop]: Starting to check reachability of 78 error locations. [2022-10-15 21:06:35,552 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) [2022-10-15 21:06:35,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-15 21:06:35,564 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:06:35,565 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:06:35,566 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)] === [2022-10-15 21:06:35,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:06:35,572 INFO L85 PathProgramCache]: Analyzing trace with hash -1240126441, now seen corresponding path program 1 times [2022-10-15 21:06:35,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:06:35,583 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568011780] [2022-10-15 21:06:35,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:06:35,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:06:36,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:37,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-15 21:06:37,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:37,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:06:37,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:06:37,421 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568011780] [2022-10-15 21:06:37,422 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1568011780] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:06:37,423 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:06:37,423 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:06:37,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999036938] [2022-10-15 21:06:37,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:06:37,430 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:06:37,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:06:37,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:06:37,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:06:37,468 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) [2022-10-15 21:06:39,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:06:39,421 INFO L93 Difference]: Finished difference Result 1610 states and 2268 transitions. [2022-10-15 21:06:39,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:06:39,424 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 [2022-10-15 21:06:39,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:06:39,447 INFO L225 Difference]: With dead ends: 1610 [2022-10-15 21:06:39,447 INFO L226 Difference]: Without dead ends: 929 [2022-10-15 21:06:39,456 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 [2022-10-15 21:06:39,460 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 [2022-10-15 21:06:39,461 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] [2022-10-15 21:06:39,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 929 states. [2022-10-15 21:06:39,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 929 to 825. [2022-10-15 21:06:39,581 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) [2022-10-15 21:06:39,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 825 states to 825 states and 1138 transitions. [2022-10-15 21:06:39,590 INFO L78 Accepts]: Start accepts. Automaton has 825 states and 1138 transitions. Word has length 19 [2022-10-15 21:06:39,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:06:39,591 INFO L495 AbstractCegarLoop]: Abstraction has 825 states and 1138 transitions. [2022-10-15 21:06:39,591 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) [2022-10-15 21:06:39,592 INFO L276 IsEmpty]: Start isEmpty. Operand 825 states and 1138 transitions. [2022-10-15 21:06:39,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-15 21:06:39,595 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:06:39,595 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] [2022-10-15 21:06:39,595 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 21:06:39,596 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)] === [2022-10-15 21:06:39,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:06:39,597 INFO L85 PathProgramCache]: Analyzing trace with hash 226712213, now seen corresponding path program 1 times [2022-10-15 21:06:39,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:06:39,597 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970308942] [2022-10-15 21:06:39,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:06:39,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:06:39,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:40,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:06:40,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:06:40,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970308942] [2022-10-15 21:06:40,753 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [970308942] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:06:40,753 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:06:40,756 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:06:40,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357414145] [2022-10-15 21:06:40,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:06:40,758 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:06:40,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:06:40,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:06:40,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:06:40,759 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) [2022-10-15 21:06:41,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:06:41,290 INFO L93 Difference]: Finished difference Result 2230 states and 3029 transitions. [2022-10-15 21:06:41,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:06:41,291 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 [2022-10-15 21:06:41,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:06:41,302 INFO L225 Difference]: With dead ends: 2230 [2022-10-15 21:06:41,302 INFO L226 Difference]: Without dead ends: 1408 [2022-10-15 21:06:41,305 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 [2022-10-15 21:06:41,307 INFO L413 NwaCegarLoop]: 1116 mSDtfsCounter, 634 mSDsluCounter, 757 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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 [2022-10-15 21:06:41,308 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] [2022-10-15 21:06:41,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1408 states. [2022-10-15 21:06:41,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1408 to 1346. [2022-10-15 21:06:41,373 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) [2022-10-15 21:06:41,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1346 states to 1346 states and 1892 transitions. [2022-10-15 21:06:41,383 INFO L78 Accepts]: Start accepts. Automaton has 1346 states and 1892 transitions. Word has length 25 [2022-10-15 21:06:41,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:06:41,384 INFO L495 AbstractCegarLoop]: Abstraction has 1346 states and 1892 transitions. [2022-10-15 21:06:41,384 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) [2022-10-15 21:06:41,384 INFO L276 IsEmpty]: Start isEmpty. Operand 1346 states and 1892 transitions. [2022-10-15 21:06:41,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-15 21:06:41,387 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:06:41,388 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] [2022-10-15 21:06:41,388 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 21:06:41,388 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)] === [2022-10-15 21:06:41,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:06:41,389 INFO L85 PathProgramCache]: Analyzing trace with hash -1479185363, now seen corresponding path program 1 times [2022-10-15 21:06:41,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:06:41,390 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217886100] [2022-10-15 21:06:41,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:06:41,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:06:41,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:42,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-15 21:06:42,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:42,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:06:42,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:42,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-15 21:06:42,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:42,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:06:42,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:42,749 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-15 21:06:42,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:06:42,750 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217886100] [2022-10-15 21:06:42,750 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [217886100] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:06:42,750 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:06:42,750 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:06:42,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546586965] [2022-10-15 21:06:42,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:06:42,752 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:06:42,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:06:42,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:06:42,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:06:42,753 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) [2022-10-15 21:06:44,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:06:44,264 INFO L93 Difference]: Finished difference Result 2145 states and 3157 transitions. [2022-10-15 21:06:44,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 21:06:44,264 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 [2022-10-15 21:06:44,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:06:44,280 INFO L225 Difference]: With dead ends: 2145 [2022-10-15 21:06:44,280 INFO L226 Difference]: Without dead ends: 2143 [2022-10-15 21:06:44,282 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 [2022-10-15 21:06:44,283 INFO L413 NwaCegarLoop]: 1264 mSDtfsCounter, 645 mSDsluCounter, 1438 mSDsCounter, 0 mSdLazyCounter, 447 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 716 SdHoareTripleChecker+Valid, 2702 SdHoareTripleChecker+Invalid, 527 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-10-15 21:06:44,284 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [716 Valid, 2702 Invalid, 527 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 447 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-10-15 21:06:44,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2143 states. [2022-10-15 21:06:44,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2143 to 1394. [2022-10-15 21:06:44,366 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) [2022-10-15 21:06:44,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1394 states to 1394 states and 1956 transitions. [2022-10-15 21:06:44,376 INFO L78 Accepts]: Start accepts. Automaton has 1394 states and 1956 transitions. Word has length 47 [2022-10-15 21:06:44,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:06:44,376 INFO L495 AbstractCegarLoop]: Abstraction has 1394 states and 1956 transitions. [2022-10-15 21:06:44,377 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) [2022-10-15 21:06:44,377 INFO L276 IsEmpty]: Start isEmpty. Operand 1394 states and 1956 transitions. [2022-10-15 21:06:44,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-15 21:06:44,380 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:06:44,381 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] [2022-10-15 21:06:44,381 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 21:06:44,381 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)] === [2022-10-15 21:06:44,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:06:44,382 INFO L85 PathProgramCache]: Analyzing trace with hash 357102479, now seen corresponding path program 1 times [2022-10-15 21:06:44,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:06:44,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719828443] [2022-10-15 21:06:44,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:06:44,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:06:44,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:45,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-15 21:06:45,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:45,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:06:45,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:45,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-15 21:06:45,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:45,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:06:45,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:45,919 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-15 21:06:45,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:06:45,920 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719828443] [2022-10-15 21:06:45,920 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719828443] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 21:06:45,920 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1611124386] [2022-10-15 21:06:45,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:06:45,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:06:45,922 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:06:45,931 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) [2022-10-15 21:06:45,953 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-15 21:06:47,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:48,032 INFO L263 TraceCheckSpWp]: Trace formula consists of 11929 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-15 21:06:48,047 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 21:06:48,129 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-15 21:06:48,129 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-15 21:06:48,200 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-15 21:06:48,200 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1611124386] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-15 21:06:48,201 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-15 21:06:48,201 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 7 [2022-10-15 21:06:48,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019639945] [2022-10-15 21:06:48,201 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-15 21:06:48,202 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-15 21:06:48,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:06:48,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-15 21:06:48,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-10-15 21:06:48,203 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) [2022-10-15 21:06:51,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:06:51,361 INFO L93 Difference]: Finished difference Result 4072 states and 6219 transitions. [2022-10-15 21:06:51,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-15 21:06:51,362 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 [2022-10-15 21:06:51,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:06:51,390 INFO L225 Difference]: With dead ends: 4072 [2022-10-15 21:06:51,390 INFO L226 Difference]: Without dead ends: 4071 [2022-10-15 21:06:51,396 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 [2022-10-15 21:06:51,407 INFO L413 NwaCegarLoop]: 1427 mSDtfsCounter, 2140 mSDsluCounter, 4600 mSDsCounter, 0 mSdLazyCounter, 1630 mSolverCounterSat, 123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2295 SdHoareTripleChecker+Valid, 6027 SdHoareTripleChecker+Invalid, 1753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Valid, 1630 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-10-15 21:06:51,408 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2295 Valid, 6027 Invalid, 1753 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [123 Valid, 1630 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-10-15 21:06:51,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4071 states. [2022-10-15 21:06:51,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4071 to 1534. [2022-10-15 21:06:51,542 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) [2022-10-15 21:06:51,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1534 states to 1534 states and 2152 transitions. [2022-10-15 21:06:51,553 INFO L78 Accepts]: Start accepts. Automaton has 1534 states and 2152 transitions. Word has length 54 [2022-10-15 21:06:51,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:06:51,554 INFO L495 AbstractCegarLoop]: Abstraction has 1534 states and 2152 transitions. [2022-10-15 21:06:51,554 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) [2022-10-15 21:06:51,555 INFO L276 IsEmpty]: Start isEmpty. Operand 1534 states and 2152 transitions. [2022-10-15 21:06:51,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-15 21:06:51,557 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:06:51,557 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] [2022-10-15 21:06:51,619 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-10-15 21:06:51,771 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 [2022-10-15 21:06:51,771 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)] === [2022-10-15 21:06:51,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:06:51,772 INFO L85 PathProgramCache]: Analyzing trace with hash -163698317, now seen corresponding path program 1 times [2022-10-15 21:06:51,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:06:51,773 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590139605] [2022-10-15 21:06:51,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:06:51,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:06:52,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:53,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-15 21:06:53,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:53,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:06:53,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:53,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-10-15 21:06:53,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:53,788 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-15 21:06:53,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:06:53,788 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590139605] [2022-10-15 21:06:53,789 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1590139605] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:06:53,789 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:06:53,789 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-15 21:06:53,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525464422] [2022-10-15 21:06:53,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:06:53,790 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 21:06:53,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:06:53,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 21:06:53,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-15 21:06:53,791 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) [2022-10-15 21:06:57,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:06:57,392 INFO L93 Difference]: Finished difference Result 5288 states and 7814 transitions. [2022-10-15 21:06:57,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-15 21:06:57,393 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 [2022-10-15 21:06:57,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:06:57,419 INFO L225 Difference]: With dead ends: 5288 [2022-10-15 21:06:57,420 INFO L226 Difference]: Without dead ends: 3757 [2022-10-15 21:06:57,428 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 [2022-10-15 21:06:57,429 INFO L413 NwaCegarLoop]: 1713 mSDtfsCounter, 1849 mSDsluCounter, 5675 mSDsCounter, 0 mSdLazyCounter, 1544 mSolverCounterSat, 270 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1919 SdHoareTripleChecker+Valid, 7388 SdHoareTripleChecker+Invalid, 1814 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 270 IncrementalHoareTripleChecker+Valid, 1544 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-10-15 21:06:57,429 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1919 Valid, 7388 Invalid, 1814 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [270 Valid, 1544 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-10-15 21:06:57,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3757 states. [2022-10-15 21:06:57,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3757 to 1578. [2022-10-15 21:06:57,562 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) [2022-10-15 21:06:57,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1578 states to 1578 states and 2216 transitions. [2022-10-15 21:06:57,573 INFO L78 Accepts]: Start accepts. Automaton has 1578 states and 2216 transitions. Word has length 51 [2022-10-15 21:06:57,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:06:57,573 INFO L495 AbstractCegarLoop]: Abstraction has 1578 states and 2216 transitions. [2022-10-15 21:06:57,573 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) [2022-10-15 21:06:57,574 INFO L276 IsEmpty]: Start isEmpty. Operand 1578 states and 2216 transitions. [2022-10-15 21:06:57,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-15 21:06:57,576 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:06:57,576 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] [2022-10-15 21:06:57,577 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 21:06:57,577 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)] === [2022-10-15 21:06:57,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:06:57,578 INFO L85 PathProgramCache]: Analyzing trace with hash 259948405, now seen corresponding path program 1 times [2022-10-15 21:06:57,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:06:57,578 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777618373] [2022-10-15 21:06:57,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:06:57,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:06:57,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:58,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-15 21:06:58,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:58,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:06:58,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:58,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-10-15 21:06:58,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:58,800 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-15 21:06:58,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:06:58,801 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777618373] [2022-10-15 21:06:58,801 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1777618373] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:06:58,801 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:06:58,801 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:06:58,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485239752] [2022-10-15 21:06:58,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:06:58,802 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:06:58,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:06:58,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:06:58,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:06:58,803 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) [2022-10-15 21:07:00,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:07:00,411 INFO L93 Difference]: Finished difference Result 3459 states and 4923 transitions. [2022-10-15 21:07:00,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:07:00,412 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 [2022-10-15 21:07:00,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:07:00,435 INFO L225 Difference]: With dead ends: 3459 [2022-10-15 21:07:00,435 INFO L226 Difference]: Without dead ends: 3451 [2022-10-15 21:07:00,437 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 [2022-10-15 21:07:00,438 INFO L413 NwaCegarLoop]: 1070 mSDtfsCounter, 1156 mSDsluCounter, 1056 mSDsCounter, 0 mSdLazyCounter, 524 mSolverCounterSat, 288 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1233 SdHoareTripleChecker+Valid, 2126 SdHoareTripleChecker+Invalid, 812 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 288 IncrementalHoareTripleChecker+Valid, 524 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-10-15 21:07:00,438 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1233 Valid, 2126 Invalid, 812 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [288 Valid, 524 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-10-15 21:07:00,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3451 states. [2022-10-15 21:07:00,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3451 to 3087. [2022-10-15 21:07:00,627 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) [2022-10-15 21:07:00,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3087 states to 3087 states and 4413 transitions. [2022-10-15 21:07:00,641 INFO L78 Accepts]: Start accepts. Automaton has 3087 states and 4413 transitions. Word has length 51 [2022-10-15 21:07:00,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:07:00,642 INFO L495 AbstractCegarLoop]: Abstraction has 3087 states and 4413 transitions. [2022-10-15 21:07:00,642 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) [2022-10-15 21:07:00,642 INFO L276 IsEmpty]: Start isEmpty. Operand 3087 states and 4413 transitions. [2022-10-15 21:07:00,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-15 21:07:00,644 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:07:00,645 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] [2022-10-15 21:07:00,645 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-15 21:07:00,645 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)] === [2022-10-15 21:07:00,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:07:00,646 INFO L85 PathProgramCache]: Analyzing trace with hash -1814724107, now seen corresponding path program 1 times [2022-10-15 21:07:00,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:07:00,646 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439776071] [2022-10-15 21:07:00,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:07:00,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:07:00,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:07:01,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-15 21:07:01,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:07:01,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:07:01,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:07:01,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-15 21:07:01,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:07:01,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:07:01,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:07:01,995 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-15 21:07:01,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:07:01,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439776071] [2022-10-15 21:07:01,995 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439776071] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 21:07:01,996 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1261201514] [2022-10-15 21:07:01,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:07:01,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:07:01,996 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:07:01,997 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) [2022-10-15 21:07:02,003 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-15 21:07:04,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:07:04,113 INFO L263 TraceCheckSpWp]: Trace formula consists of 11930 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-15 21:07:04,123 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 21:07:04,156 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-15 21:07:04,156 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 21:07:04,157 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1261201514] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:07:04,157 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-15 21:07:04,157 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-10-15 21:07:04,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146984862] [2022-10-15 21:07:04,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:07:04,158 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:07:04,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:07:04,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:07:04,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-15 21:07:04,159 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) [2022-10-15 21:07:05,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:07:05,209 INFO L93 Difference]: Finished difference Result 5443 states and 8141 transitions. [2022-10-15 21:07:05,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 21:07:05,210 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 [2022-10-15 21:07:05,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:07:05,244 INFO L225 Difference]: With dead ends: 5443 [2022-10-15 21:07:05,245 INFO L226 Difference]: Without dead ends: 5442 [2022-10-15 21:07:05,248 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 [2022-10-15 21:07:05,249 INFO L413 NwaCegarLoop]: 1534 mSDtfsCounter, 747 mSDsluCounter, 2062 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s 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, 0.8s IncrementalHoareTripleChecker+Time [2022-10-15 21:07:05,250 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [797 Valid, 3596 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-15 21:07:05,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5442 states. [2022-10-15 21:07:05,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5442 to 3086. [2022-10-15 21:07:05,539 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) [2022-10-15 21:07:05,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3086 states to 3086 states and 4389 transitions. [2022-10-15 21:07:05,551 INFO L78 Accepts]: Start accepts. Automaton has 3086 states and 4389 transitions. Word has length 55 [2022-10-15 21:07:05,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:07:05,552 INFO L495 AbstractCegarLoop]: Abstraction has 3086 states and 4389 transitions. [2022-10-15 21:07:05,552 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) [2022-10-15 21:07:05,552 INFO L276 IsEmpty]: Start isEmpty. Operand 3086 states and 4389 transitions. [2022-10-15 21:07:05,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-10-15 21:07:05,556 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:07:05,557 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] [2022-10-15 21:07:05,613 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-10-15 21:07:05,770 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 [2022-10-15 21:07:05,771 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)] === [2022-10-15 21:07:05,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:07:05,772 INFO L85 PathProgramCache]: Analyzing trace with hash 1379486615, now seen corresponding path program 1 times [2022-10-15 21:07:05,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:07:05,772 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511759405] [2022-10-15 21:07:05,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:07:05,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:07:06,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:07:06,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-15 21:07:06,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:07:06,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:07:06,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:07:06,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-10-15 21:07:06,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:07:06,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:07:06,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:07:06,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-15 21:07:06,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:07:06,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-10-15 21:07:06,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:07:06,574 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-15 21:07:06,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:07:06,575 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511759405] [2022-10-15 21:07:06,575 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [511759405] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:07:06,575 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:07:06,575 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:07:06,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59380228] [2022-10-15 21:07:06,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:07:06,576 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:07:06,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:07:06,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:07:06,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:07:06,577 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) [2022-10-15 21:07:07,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:07:07,729 INFO L93 Difference]: Finished difference Result 6907 states and 9883 transitions. [2022-10-15 21:07:07,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:07:07,730 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 [2022-10-15 21:07:07,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:07:07,762 INFO L225 Difference]: With dead ends: 6907 [2022-10-15 21:07:07,763 INFO L226 Difference]: Without dead ends: 3824 [2022-10-15 21:07:07,776 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 [2022-10-15 21:07:07,777 INFO L413 NwaCegarLoop]: 1077 mSDtfsCounter, 1034 mSDsluCounter, 1008 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 225 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1075 SdHoareTripleChecker+Valid, 2085 SdHoareTripleChecker+Invalid, 422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 225 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-15 21:07:07,777 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1075 Valid, 2085 Invalid, 422 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [225 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-15 21:07:07,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3824 states.