/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-validator-v0.8/linux-stable-5fdb450-1-144_1a-drivers--mmc--host--vub300.ko-entry_point_ldv-val-v0.8.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 14:09:35,330 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 14:09:35,333 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 14:09:35,395 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 14:09:35,395 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 14:09:35,400 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 14:09:35,405 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 14:09:35,414 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 14:09:35,417 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 14:09:35,419 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 14:09:35,421 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 14:09:35,422 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 14:09:35,423 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 14:09:35,424 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 14:09:35,426 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 14:09:35,427 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 14:09:35,428 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 14:09:35,430 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 14:09:35,443 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 14:09:35,453 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 14:09:35,455 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 14:09:35,460 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 14:09:35,463 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 14:09:35,464 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 14:09:35,475 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 14:09:35,476 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 14:09:35,476 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 14:09:35,480 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 14:09:35,480 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 14:09:35,481 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 14:09:35,484 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 14:09:35,485 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 14:09:35,486 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 14:09:35,488 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 14:09:35,489 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 14:09:35,490 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 14:09:35,491 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 14:09:35,491 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 14:09:35,492 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 14:09:35,493 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 14:09:35,495 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 14:09:35,496 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 14:09:35,558 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 14:09:35,558 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 14:09:35,559 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 14:09:35,559 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 14:09:35,561 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 14:09:35,561 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 14:09:35,564 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 14:09:35,564 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 14:09:35,565 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 14:09:35,565 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 14:09:35,566 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 14:09:35,566 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 14:09:35,566 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 14:09:35,567 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 14:09:35,567 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 14:09:35,567 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 14:09:35,567 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 14:09:35,567 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 14:09:35,567 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 14:09:35,568 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 14:09:35,568 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 14:09:35,568 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 14:09:35,568 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 14:09:35,569 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 14:09:35,569 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 14:09:35,569 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 14:09:35,569 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 14:09:35,569 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 14:09:35,570 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 14:09:35,570 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 14:09:35,570 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 14:09:35,570 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 14:09:35,571 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 14:09:35,571 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 14:09:36,017 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 14:09:36,061 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 14:09:36,064 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 14:09:36,066 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 14:09:36,067 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 14:09:36,069 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-5fdb450-1-144_1a-drivers--mmc--host--vub300.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-10-16 14:09:36,161 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f1404e35/77c97b21ee9c45ab8194a6cfe142f3cc/FLAG71d21f99c [2022-10-16 14:09:37,314 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 14:09:37,317 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-5fdb450-1-144_1a-drivers--mmc--host--vub300.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-10-16 14:09:37,391 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f1404e35/77c97b21ee9c45ab8194a6cfe142f3cc/FLAG71d21f99c [2022-10-16 14:09:37,691 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f1404e35/77c97b21ee9c45ab8194a6cfe142f3cc [2022-10-16 14:09:37,695 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 14:09:37,701 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 14:09:37,703 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 14:09:37,703 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 14:09:37,707 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 14:09:37,708 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:09:37" (1/1) ... [2022-10-16 14:09:37,710 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@587d1260 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:09:37, skipping insertion in model container [2022-10-16 14:09:37,710 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:09:37" (1/1) ... [2022-10-16 14:09:37,720 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 14:09:37,847 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 14:09:40,250 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-validator-v0.8/linux-stable-5fdb450-1-144_1a-drivers--mmc--host--vub300.ko-entry_point_ldv-val-v0.8.cil.out.i[239738,239751] [2022-10-16 14:09:40,315 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 14:09:40,362 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 14:09:40,955 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-validator-v0.8/linux-stable-5fdb450-1-144_1a-drivers--mmc--host--vub300.ko-entry_point_ldv-val-v0.8.cil.out.i[239738,239751] [2022-10-16 14:09:40,982 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 14:09:41,158 INFO L208 MainTranslator]: Completed translation [2022-10-16 14:09:41,161 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:09:41 WrapperNode [2022-10-16 14:09:41,161 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 14:09:41,162 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 14:09:41,163 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 14:09:41,163 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 14:09:41,173 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:09:41" (1/1) ... [2022-10-16 14:09:41,307 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:09:41" (1/1) ... [2022-10-16 14:09:41,736 INFO L138 Inliner]: procedures = 260, calls = 1808, calls flagged for inlining = 104, calls inlined = 100, statements flattened = 4891 [2022-10-16 14:09:41,736 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 14:09:41,737 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 14:09:41,737 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 14:09:41,738 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 14:09:41,752 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:09:41" (1/1) ... [2022-10-16 14:09:41,752 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:09:41" (1/1) ... [2022-10-16 14:09:41,916 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:09:41" (1/1) ... [2022-10-16 14:09:41,917 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:09:41" (1/1) ... [2022-10-16 14:09:42,161 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:09:41" (1/1) ... [2022-10-16 14:09:42,189 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:09:41" (1/1) ... [2022-10-16 14:09:42,254 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:09:41" (1/1) ... [2022-10-16 14:09:42,275 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:09:41" (1/1) ... [2022-10-16 14:09:42,369 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 14:09:42,370 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 14:09:42,371 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 14:09:42,371 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 14:09:42,372 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:09:41" (1/1) ... [2022-10-16 14:09:42,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 14:09:42,396 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:09:42,418 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 14:09:42,449 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 14:09:42,504 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-10-16 14:09:42,505 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-10-16 14:09:42,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-16 14:09:42,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-16 14:09:42,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-16 14:09:42,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-16 14:09:42,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-10-16 14:09:42,506 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-10-16 14:09:42,506 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_delete [2022-10-16 14:09:42,507 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_delete [2022-10-16 14:09:42,507 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_bulk_urb_11 [2022-10-16 14:09:42,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_bulk_urb_11 [2022-10-16 14:09:42,507 INFO L130 BoogieDeclarations]: Found specification of procedure usb_sg_wait [2022-10-16 14:09:42,507 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_sg_wait [2022-10-16 14:09:42,507 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_usb_bulk_msg [2022-10-16 14:09:42,508 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_usb_bulk_msg [2022-10-16 14:09:42,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2022-10-16 14:09:42,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2022-10-16 14:09:42,508 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2022-10-16 14:09:42,508 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2022-10-16 14:09:42,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-16 14:09:42,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-16 14:09:42,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2022-10-16 14:09:42,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2022-10-16 14:09:42,509 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-10-16 14:09:42,509 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-10-16 14:09:42,509 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_signal_sdio_irq [2022-10-16 14:09:42,510 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_signal_sdio_irq [2022-10-16 14:09:42,510 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-10-16 14:09:42,510 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-10-16 14:09:42,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-16 14:09:42,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-16 14:09:42,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-16 14:09:42,510 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-16 14:09:42,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_49 [2022-10-16 14:09:42,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_49 [2022-10-16 14:09:42,511 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-16 14:09:42,511 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-16 14:09:42,511 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_detect_change [2022-10-16 14:09:42,511 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_detect_change [2022-10-16 14:09:42,512 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-10-16 14:09:42,512 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-10-16 14:09:42,512 INFO L130 BoogieDeclarations]: Found specification of procedure usb_sg_cancel [2022-10-16 14:09:42,512 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_sg_cancel [2022-10-16 14:09:42,512 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-10-16 14:09:42,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-10-16 14:09:42,513 INFO L130 BoogieDeclarations]: Found specification of procedure usb_sg_init [2022-10-16 14:09:42,513 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_sg_init [2022-10-16 14:09:42,513 INFO L130 BoogieDeclarations]: Found specification of procedure __command_read_data [2022-10-16 14:09:42,513 INFO L138 BoogieDeclarations]: Found implementation of procedure __command_read_data [2022-10-16 14:09:42,513 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_26 [2022-10-16 14:09:42,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_26 [2022-10-16 14:09:42,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-16 14:09:42,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_28 [2022-10-16 14:09:42,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_28 [2022-10-16 14:09:42,516 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-10-16 14:09:42,516 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-10-16 14:09:42,516 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2022-10-16 14:09:42,517 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2022-10-16 14:09:42,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-16 14:09:42,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_12 [2022-10-16 14:09:42,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_12 [2022-10-16 14:09:42,518 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-10-16 14:09:42,518 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-10-16 14:09:42,518 INFO L130 BoogieDeclarations]: Found specification of procedure irqpoll_out_completed [2022-10-16 14:09:42,518 INFO L138 BoogieDeclarations]: Found implementation of procedure irqpoll_out_completed [2022-10-16 14:09:42,519 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_disconnect [2022-10-16 14:09:42,519 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_disconnect [2022-10-16 14:09:42,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_14 [2022-10-16 14:09:42,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_14 [2022-10-16 14:09:42,521 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_3 [2022-10-16 14:09:42,521 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_3 [2022-10-16 14:09:42,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-16 14:09:42,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-16 14:09:42,523 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-10-16 14:09:42,523 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-10-16 14:09:42,523 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-10-16 14:09:42,523 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-10-16 14:09:42,523 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_enable_sdio_irq [2022-10-16 14:09:42,524 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_enable_sdio_irq [2022-10-16 14:09:42,524 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-10-16 14:09:42,524 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-10-16 14:09:42,524 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-10-16 14:09:42,524 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-10-16 14:09:42,524 INFO L130 BoogieDeclarations]: Found specification of procedure add_offloaded_reg [2022-10-16 14:09:42,525 INFO L138 BoogieDeclarations]: Found implementation of procedure add_offloaded_reg [2022-10-16 14:09:42,525 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2022-10-16 14:09:42,526 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2022-10-16 14:09:42,526 INFO L130 BoogieDeclarations]: Found specification of procedure command_out_completed [2022-10-16 14:09:42,526 INFO L138 BoogieDeclarations]: Found implementation of procedure command_out_completed [2022-10-16 14:09:42,526 INFO L130 BoogieDeclarations]: Found specification of procedure roundup_to_multiple_of_64 [2022-10-16 14:09:42,526 INFO L138 BoogieDeclarations]: Found implementation of procedure roundup_to_multiple_of_64 [2022-10-16 14:09:42,527 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2022-10-16 14:09:42,528 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2022-10-16 14:09:42,528 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2022-10-16 14:09:42,529 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2022-10-16 14:09:42,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-16 14:09:42,530 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_cmndwork_thread [2022-10-16 14:09:42,530 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_cmndwork_thread [2022-10-16 14:09:42,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-16 14:09:42,531 INFO L130 BoogieDeclarations]: Found specification of procedure send_command [2022-10-16 14:09:42,531 INFO L138 BoogieDeclarations]: Found implementation of procedure send_command [2022-10-16 14:09:42,531 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2022-10-16 14:09:42,531 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2022-10-16 14:09:42,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-16 14:09:42,531 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_6 [2022-10-16 14:09:42,532 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_6 [2022-10-16 14:09:42,532 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2022-10-16 14:09:42,532 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2022-10-16 14:09:42,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-10-16 14:09:42,533 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-10-16 14:09:42,533 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-10-16 14:09:42,533 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-10-16 14:09:42,533 INFO L130 BoogieDeclarations]: Found specification of procedure send_irqpoll [2022-10-16 14:09:42,533 INFO L138 BoogieDeclarations]: Found implementation of procedure send_irqpoll [2022-10-16 14:09:42,534 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-10-16 14:09:42,534 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-10-16 14:09:42,534 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-16 14:09:42,534 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-16 14:09:42,534 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2022-10-16 14:09:42,534 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2022-10-16 14:09:42,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-16 14:09:42,537 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_response_error [2022-10-16 14:09:42,539 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_response_error [2022-10-16 14:09:42,542 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_out [2022-10-16 14:09:42,546 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_out [2022-10-16 14:09:42,547 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_free_host [2022-10-16 14:09:42,547 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_free_host [2022-10-16 14:09:42,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-16 14:09:42,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-16 14:09:42,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_31 [2022-10-16 14:09:42,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_31 [2022-10-16 14:09:42,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-10-16 14:09:42,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-10-16 14:09:42,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-16 14:09:42,549 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_6 [2022-10-16 14:09:42,549 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_6 [2022-10-16 14:09:42,549 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_queue_poll_work [2022-10-16 14:09:42,550 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_queue_poll_work [2022-10-16 14:09:42,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-10-16 14:09:42,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-10-16 14:09:42,550 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2022-10-16 14:09:42,550 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2022-10-16 14:09:42,550 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_in [2022-10-16 14:09:42,550 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_in [2022-10-16 14:09:42,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 14:09:42,551 INFO L130 BoogieDeclarations]: Found specification of procedure sg_copy_to_buffer [2022-10-16 14:09:42,551 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_copy_to_buffer [2022-10-16 14:09:42,551 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_6 [2022-10-16 14:09:42,551 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_6 [2022-10-16 14:09:42,551 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put_8 [2022-10-16 14:09:42,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put_8 [2022-10-16 14:09:42,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-10-16 14:09:42,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-10-16 14:09:42,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-16 14:09:42,552 INFO L130 BoogieDeclarations]: Found specification of procedure __download_offload_pseudocode [2022-10-16 14:09:42,552 INFO L138 BoogieDeclarations]: Found implementation of procedure __download_offload_pseudocode [2022-10-16 14:09:42,552 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-10-16 14:09:42,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-10-16 14:09:42,553 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_pollwork_thread [2022-10-16 14:09:42,553 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_pollwork_thread [2022-10-16 14:09:42,553 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_InterfaceNumber [2022-10-16 14:09:42,553 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_InterfaceNumber [2022-10-16 14:09:42,553 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-10-16 14:09:42,553 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-10-16 14:09:42,553 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-10-16 14:09:42,554 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-10-16 14:09:42,554 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-10-16 14:09:42,554 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-10-16 14:09:42,554 INFO L130 BoogieDeclarations]: Found specification of procedure __do_poll [2022-10-16 14:09:42,554 INFO L138 BoogieDeclarations]: Found implementation of procedure __do_poll [2022-10-16 14:09:42,554 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_3 [2022-10-16 14:09:42,554 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_3 [2022-10-16 14:09:42,555 INFO L130 BoogieDeclarations]: Found specification of procedure new_system_port_status [2022-10-16 14:09:42,555 INFO L138 BoogieDeclarations]: Found implementation of procedure new_system_port_status [2022-10-16 14:09:42,555 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_request_done [2022-10-16 14:09:42,555 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_request_done [2022-10-16 14:09:42,555 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-10-16 14:09:42,555 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-10-16 14:09:42,555 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-10-16 14:09:42,556 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-10-16 14:09:42,556 INFO L130 BoogieDeclarations]: Found specification of procedure __command_write_data [2022-10-16 14:09:42,556 INFO L138 BoogieDeclarations]: Found implementation of procedure __command_write_data [2022-10-16 14:09:42,556 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2022-10-16 14:09:42,556 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2022-10-16 14:09:42,556 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-10-16 14:09:42,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-10-16 14:09:42,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_46 [2022-10-16 14:09:42,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_46 [2022-10-16 14:09:42,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2022-10-16 14:09:42,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2022-10-16 14:09:42,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 14:09:42,559 INFO L130 BoogieDeclarations]: Found specification of procedure usb_string [2022-10-16 14:09:42,559 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_string [2022-10-16 14:09:42,559 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_priv [2022-10-16 14:09:42,560 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_priv [2022-10-16 14:09:42,560 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2022-10-16 14:09:42,560 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2022-10-16 14:09:42,560 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_deadwork_thread [2022-10-16 14:09:42,560 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_deadwork_thread [2022-10-16 14:09:42,560 INFO L130 BoogieDeclarations]: Found specification of procedure check_vub300_port_status [2022-10-16 14:09:42,560 INFO L138 BoogieDeclarations]: Found implementation of procedure check_vub300_port_status [2022-10-16 14:09:42,561 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-10-16 14:09:42,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 14:09:42,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 14:09:43,331 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 14:09:43,336 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 14:09:45,316 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-16 14:09:50,965 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 14:09:50,989 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 14:09:50,990 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 14:09:50,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:09:50 BoogieIcfgContainer [2022-10-16 14:09:50,997 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 14:09:51,000 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 14:09:51,000 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 14:09:51,005 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 14:09:51,005 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 02:09:37" (1/3) ... [2022-10-16 14:09:51,006 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72618144 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:09:51, skipping insertion in model container [2022-10-16 14:09:51,006 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:09:41" (2/3) ... [2022-10-16 14:09:51,006 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72618144 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:09:51, skipping insertion in model container [2022-10-16 14:09:51,007 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:09:50" (3/3) ... [2022-10-16 14:09:51,008 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-stable-5fdb450-1-144_1a-drivers--mmc--host--vub300.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-10-16 14:09:51,037 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 14:09:51,037 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 280 error locations. [2022-10-16 14:09:51,158 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 14:09:51,167 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;@428b8d22, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 14:09:51,168 INFO L358 AbstractCegarLoop]: Starting to check reachability of 280 error locations. [2022-10-16 14:09:51,182 INFO L276 IsEmpty]: Start isEmpty. Operand has 2219 states, 1461 states have (on average 1.537987679671458) internal successors, (2247), 1806 states have internal predecessors, (2247), 384 states have call successors, (384), 94 states have call predecessors, (384), 93 states have return successors, (375), 349 states have call predecessors, (375), 375 states have call successors, (375) [2022-10-16 14:09:51,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-10-16 14:09:51,206 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:09:51,207 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:09:51,208 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_free_urbErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [send_commandErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, send_commandErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, send_commandErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 277 more)] === [2022-10-16 14:09:51,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:09:51,215 INFO L85 PathProgramCache]: Analyzing trace with hash -2077583528, now seen corresponding path program 1 times [2022-10-16 14:09:51,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:09:51,228 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455129248] [2022-10-16 14:09:51,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:09:51,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:09:51,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:52,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:09:52,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:52,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:09:52,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:52,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:09:52,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:52,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 14:09:52,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:52,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:09:52,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:52,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:09:52,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:52,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 14:09:52,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:52,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:09:52,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:52,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:09:52,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:52,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 14:09:52,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:52,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:09:52,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:53,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:09:53,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:53,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-10-16 14:09:53,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:53,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:09:53,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:53,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-10-16 14:09:53,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:53,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:09:53,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:53,099 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-10-16 14:09:53,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:09:53,100 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455129248] [2022-10-16 14:09:53,102 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1455129248] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:09:53,102 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:09:53,103 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 14:09:53,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381010295] [2022-10-16 14:09:53,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:09:53,115 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 14:09:53,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:09:53,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 14:09:53,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 14:09:53,214 INFO L87 Difference]: Start difference. First operand has 2219 states, 1461 states have (on average 1.537987679671458) internal successors, (2247), 1806 states have internal predecessors, (2247), 384 states have call successors, (384), 94 states have call predecessors, (384), 93 states have return successors, (375), 349 states have call predecessors, (375), 375 states have call successors, (375) Second operand has 6 states, 6 states have (on average 6.5) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (13), 5 states have call predecessors, (13), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-10-16 14:09:55,975 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 14:10:03,628 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 14:10:12,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:10:12,849 INFO L93 Difference]: Finished difference Result 6861 states and 9936 transitions. [2022-10-16 14:10:12,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 14:10:12,853 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (13), 5 states have call predecessors, (13), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 108 [2022-10-16 14:10:12,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:10:12,942 INFO L225 Difference]: With dead ends: 6861 [2022-10-16 14:10:12,943 INFO L226 Difference]: Without dead ends: 4602 [2022-10-16 14:10:12,973 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-10-16 14:10:12,986 INFO L413 NwaCegarLoop]: 3216 mSDtfsCounter, 5603 mSDsluCounter, 4790 mSDsCounter, 0 mSdLazyCounter, 3505 mSolverCounterSat, 2336 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5816 SdHoareTripleChecker+Valid, 8006 SdHoareTripleChecker+Invalid, 5841 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2336 IncrementalHoareTripleChecker+Valid, 3505 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.5s IncrementalHoareTripleChecker+Time [2022-10-16 14:10:12,987 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5816 Valid, 8006 Invalid, 5841 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2336 Valid, 3505 Invalid, 0 Unknown, 0 Unchecked, 18.5s Time] [2022-10-16 14:10:13,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4602 states. [2022-10-16 14:10:13,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4602 to 4023. [2022-10-16 14:10:13,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4023 states, 2897 states have (on average 1.444943044528823) internal successors, (4186), 3201 states have internal predecessors, (4186), 738 states have call successors, (738), 183 states have call predecessors, (738), 192 states have return successors, (788), 692 states have call predecessors, (788), 736 states have call successors, (788) [2022-10-16 14:10:13,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4023 states to 4023 states and 5712 transitions. [2022-10-16 14:10:13,449 INFO L78 Accepts]: Start accepts. Automaton has 4023 states and 5712 transitions. Word has length 108 [2022-10-16 14:10:13,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:10:13,451 INFO L495 AbstractCegarLoop]: Abstraction has 4023 states and 5712 transitions. [2022-10-16 14:10:13,451 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (13), 5 states have call predecessors, (13), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-10-16 14:10:13,451 INFO L276 IsEmpty]: Start isEmpty. Operand 4023 states and 5712 transitions. [2022-10-16 14:10:13,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-10-16 14:10:13,465 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:10:13,466 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:10:13,466 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 14:10:13,467 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [send_commandErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, send_commandErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, send_commandErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 277 more)] === [2022-10-16 14:10:13,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:10:13,468 INFO L85 PathProgramCache]: Analyzing trace with hash 1674307121, now seen corresponding path program 1 times [2022-10-16 14:10:13,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:10:13,468 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161355515] [2022-10-16 14:10:13,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:10:13,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:10:13,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:13,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:10:13,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:13,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:13,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:13,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:13,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:13,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 14:10:13,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:13,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:13,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:13,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:13,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:13,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 14:10:13,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:13,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:13,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:13,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:13,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:13,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 14:10:13,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:13,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:13,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:13,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:13,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:13,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-10-16 14:10:13,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:13,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:13,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:13,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-10-16 14:10:13,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:14,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:14,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:14,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-10-16 14:10:14,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:14,044 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-10-16 14:10:14,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:10:14,045 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161355515] [2022-10-16 14:10:14,045 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [161355515] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:10:14,045 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:10:14,046 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 14:10:14,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57608432] [2022-10-16 14:10:14,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:10:14,053 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 14:10:14,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:10:14,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 14:10:14,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-10-16 14:10:14,054 INFO L87 Difference]: Start difference. First operand 4023 states and 5712 transitions. Second operand has 7 states, 7 states have (on average 6.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-10-16 14:10:36,299 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 14:10:37,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:10:37,465 INFO L93 Difference]: Finished difference Result 12486 states and 17973 transitions. [2022-10-16 14:10:37,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 14:10:37,466 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 109 [2022-10-16 14:10:37,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:10:37,543 INFO L225 Difference]: With dead ends: 12486 [2022-10-16 14:10:37,544 INFO L226 Difference]: Without dead ends: 8486 [2022-10-16 14:10:37,574 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-10-16 14:10:37,575 INFO L413 NwaCegarLoop]: 2894 mSDtfsCounter, 5150 mSDsluCounter, 6571 mSDsCounter, 0 mSdLazyCounter, 5638 mSolverCounterSat, 2568 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5421 SdHoareTripleChecker+Valid, 9465 SdHoareTripleChecker+Invalid, 8206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2568 IncrementalHoareTripleChecker+Valid, 5638 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.4s IncrementalHoareTripleChecker+Time [2022-10-16 14:10:37,576 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5421 Valid, 9465 Invalid, 8206 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2568 Valid, 5638 Invalid, 0 Unknown, 0 Unchecked, 22.4s Time] [2022-10-16 14:10:37,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8486 states. [2022-10-16 14:10:38,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8486 to 7369. [2022-10-16 14:10:38,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7369 states, 5437 states have (on average 1.4473054993562626) internal successors, (7869), 5854 states have internal predecessors, (7869), 1359 states have call successors, (1359), 347 states have call predecessors, (1359), 377 states have return successors, (1505), 1279 states have call predecessors, (1505), 1357 states have call successors, (1505) [2022-10-16 14:10:38,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7369 states to 7369 states and 10733 transitions. [2022-10-16 14:10:38,293 INFO L78 Accepts]: Start accepts. Automaton has 7369 states and 10733 transitions. Word has length 109 [2022-10-16 14:10:38,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:10:38,294 INFO L495 AbstractCegarLoop]: Abstraction has 7369 states and 10733 transitions. [2022-10-16 14:10:38,294 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-10-16 14:10:38,295 INFO L276 IsEmpty]: Start isEmpty. Operand 7369 states and 10733 transitions. [2022-10-16 14:10:38,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-10-16 14:10:38,298 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:10:38,298 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:10:38,299 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 14:10:38,299 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [send_commandErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, send_commandErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, send_commandErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 277 more)] === [2022-10-16 14:10:38,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:10:38,300 INFO L85 PathProgramCache]: Analyzing trace with hash 2007643135, now seen corresponding path program 1 times [2022-10-16 14:10:38,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:10:38,300 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582832609] [2022-10-16 14:10:38,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:10:38,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:10:38,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:38,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:10:38,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:38,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:38,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:38,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:38,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:38,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 14:10:38,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:38,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:38,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:38,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:38,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:38,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 14:10:38,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:38,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:38,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:38,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:38,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:38,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 14:10:38,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:38,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:38,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:38,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:38,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:38,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-10-16 14:10:38,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:38,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:38,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:38,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-10-16 14:10:38,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:38,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:38,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:38,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-10-16 14:10:38,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:38,847 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-10-16 14:10:38,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:10:38,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582832609] [2022-10-16 14:10:38,848 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1582832609] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:10:38,848 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:10:38,848 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 14:10:38,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640101240] [2022-10-16 14:10:38,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:10:38,850 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 14:10:38,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:10:38,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 14:10:38,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 14:10:38,851 INFO L87 Difference]: Start difference. First operand 7369 states and 10733 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (13), 5 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-10-16 14:10:45,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:10:45,869 INFO L93 Difference]: Finished difference Result 15456 states and 22730 transitions. [2022-10-16 14:10:45,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 14:10:45,870 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (13), 5 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 115 [2022-10-16 14:10:45,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:10:45,939 INFO L225 Difference]: With dead ends: 15456 [2022-10-16 14:10:45,940 INFO L226 Difference]: Without dead ends: 8110 [2022-10-16 14:10:45,985 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-10-16 14:10:45,986 INFO L413 NwaCegarLoop]: 2621 mSDtfsCounter, 4667 mSDsluCounter, 1306 mSDsCounter, 0 mSdLazyCounter, 1047 mSolverCounterSat, 1819 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4874 SdHoareTripleChecker+Valid, 3927 SdHoareTripleChecker+Invalid, 2866 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1819 IncrementalHoareTripleChecker+Valid, 1047 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-10-16 14:10:45,987 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4874 Valid, 3927 Invalid, 2866 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1819 Valid, 1047 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2022-10-16 14:10:45,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8110 states. [2022-10-16 14:10:46,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8110 to 7353. [2022-10-16 14:10:46,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7353 states, 5429 states have (on average 1.4464910664947503) internal successors, (7853), 5846 states have internal predecessors, (7853), 1351 states have call successors, (1351), 347 states have call predecessors, (1351), 377 states have return successors, (1497), 1271 states have call predecessors, (1497), 1349 states have call successors, (1497) [2022-10-16 14:10:46,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7353 states to 7353 states and 10701 transitions. [2022-10-16 14:10:46,519 INFO L78 Accepts]: Start accepts. Automaton has 7353 states and 10701 transitions. Word has length 115 [2022-10-16 14:10:46,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:10:46,520 INFO L495 AbstractCegarLoop]: Abstraction has 7353 states and 10701 transitions. [2022-10-16 14:10:46,521 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (13), 5 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-10-16 14:10:46,521 INFO L276 IsEmpty]: Start isEmpty. Operand 7353 states and 10701 transitions. [2022-10-16 14:10:46,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-10-16 14:10:46,524 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:10:46,525 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:10:46,525 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 14:10:46,525 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [send_commandErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, send_commandErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, send_commandErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 277 more)] === [2022-10-16 14:10:46,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:10:46,527 INFO L85 PathProgramCache]: Analyzing trace with hash -2071915428, now seen corresponding path program 1 times [2022-10-16 14:10:46,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:10:46,528 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804770439] [2022-10-16 14:10:46,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:10:46,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:10:46,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:46,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:10:46,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:46,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:46,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:46,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:46,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:46,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 14:10:46,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:46,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:46,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:46,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:46,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:46,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 14:10:46,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:46,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:46,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:46,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:46,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:46,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 14:10:46,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:46,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:46,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:46,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:46,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:46,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-10-16 14:10:46,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:46,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:46,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:46,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-10-16 14:10:46,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:46,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:46,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:47,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-10-16 14:10:47,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:47,019 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-10-16 14:10:47,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:10:47,019 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804770439] [2022-10-16 14:10:47,020 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1804770439] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:10:47,020 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:10:47,020 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 14:10:47,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784601106] [2022-10-16 14:10:47,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:10:47,023 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 14:10:47,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:10:47,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 14:10:47,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 14:10:47,024 INFO L87 Difference]: Start difference. First operand 7353 states and 10701 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (13), 5 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-10-16 14:11:01,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:11:01,365 INFO L93 Difference]: Finished difference Result 15424 states and 22666 transitions. [2022-10-16 14:11:01,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 14:11:01,366 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (13), 5 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 114 [2022-10-16 14:11:01,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:11:01,436 INFO L225 Difference]: With dead ends: 15424 [2022-10-16 14:11:01,436 INFO L226 Difference]: Without dead ends: 8094 [2022-10-16 14:11:01,476 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-10-16 14:11:01,478 INFO L413 NwaCegarLoop]: 2625 mSDtfsCounter, 3889 mSDsluCounter, 3426 mSDsCounter, 0 mSdLazyCounter, 2480 mSolverCounterSat, 1284 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4096 SdHoareTripleChecker+Valid, 6051 SdHoareTripleChecker+Invalid, 3764 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1284 IncrementalHoareTripleChecker+Valid, 2480 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.8s IncrementalHoareTripleChecker+Time [2022-10-16 14:11:01,478 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4096 Valid, 6051 Invalid, 3764 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1284 Valid, 2480 Invalid, 0 Unknown, 0 Unchecked, 13.8s Time] [2022-10-16 14:11:01,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8094 states. [2022-10-16 14:11:01,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8094 to 7337. [2022-10-16 14:11:01,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7337 states, 5421 states have (on average 1.4456742298468916) internal successors, (7837), 5838 states have internal predecessors, (7837), 1343 states have call successors, (1343), 347 states have call predecessors, (1343), 377 states have return successors, (1489), 1263 states have call predecessors, (1489), 1341 states have call successors, (1489) [2022-10-16 14:11:02,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7337 states to 7337 states and 10669 transitions. [2022-10-16 14:11:02,041 INFO L78 Accepts]: Start accepts. Automaton has 7337 states and 10669 transitions. Word has length 114 [2022-10-16 14:11:02,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:11:02,043 INFO L495 AbstractCegarLoop]: Abstraction has 7337 states and 10669 transitions. [2022-10-16 14:11:02,043 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (13), 5 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-10-16 14:11:02,043 INFO L276 IsEmpty]: Start isEmpty. Operand 7337 states and 10669 transitions. [2022-10-16 14:11:02,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-10-16 14:11:02,045 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:11:02,046 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:11:02,046 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 14:11:02,046 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [send_commandErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, send_commandErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, send_commandErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 277 more)] === [2022-10-16 14:11:02,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:11:02,047 INFO L85 PathProgramCache]: Analyzing trace with hash -1317578648, now seen corresponding path program 1 times [2022-10-16 14:11:02,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:11:02,047 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515719965] [2022-10-16 14:11:02,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:11:02,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:11:02,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:02,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:11:02,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:02,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:11:02,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:02,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:11:02,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:02,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 14:11:02,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:02,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:11:02,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:02,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:11:02,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:02,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 14:11:02,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:02,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:11:02,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:02,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:11:02,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:02,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 14:11:02,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:02,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:11:02,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:02,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:11:02,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:02,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-10-16 14:11:02,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:02,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:11:02,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:02,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-10-16 14:11:02,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:02,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:11:02,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:02,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-10-16 14:11:02,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:02,467 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-10-16 14:11:02,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:11:02,467 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515719965] [2022-10-16 14:11:02,467 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [515719965] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:11:02,468 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:11:02,468 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 14:11:02,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399330599] [2022-10-16 14:11:02,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:11:02,473 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 14:11:02,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:11:02,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 14:11:02,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 14:11:02,474 INFO L87 Difference]: Start difference. First operand 7337 states and 10669 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (13), 5 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-10-16 14:11:09,327 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 14:11:12,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:11:12,917 INFO L93 Difference]: Finished difference Result 15392 states and 22602 transitions. [2022-10-16 14:11:12,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 14:11:12,918 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (13), 5 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 113 [2022-10-16 14:11:12,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:11:12,964 INFO L225 Difference]: With dead ends: 15392 [2022-10-16 14:11:12,964 INFO L226 Difference]: Without dead ends: 8078 [2022-10-16 14:11:12,992 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-10-16 14:11:12,993 INFO L413 NwaCegarLoop]: 2618 mSDtfsCounter, 4059 mSDsluCounter, 2317 mSDsCounter, 0 mSdLazyCounter, 1767 mSolverCounterSat, 1344 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4267 SdHoareTripleChecker+Valid, 4935 SdHoareTripleChecker+Invalid, 3111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1344 IncrementalHoareTripleChecker+Valid, 1767 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2022-10-16 14:11:12,993 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4267 Valid, 4935 Invalid, 3111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1344 Valid, 1767 Invalid, 0 Unknown, 0 Unchecked, 9.8s Time] [2022-10-16 14:11:13,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8078 states. [2022-10-16 14:11:13,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8078 to 7321. [2022-10-16 14:11:13,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7321 states, 5413 states have (on average 1.4448549787548495) internal successors, (7821), 5830 states have internal predecessors, (7821), 1335 states have call successors, (1335), 347 states have call predecessors, (1335), 377 states have return successors, (1481), 1255 states have call predecessors, (1481), 1333 states have call successors, (1481) [2022-10-16 14:11:13,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7321 states to 7321 states and 10637 transitions. [2022-10-16 14:11:13,663 INFO L78 Accepts]: Start accepts. Automaton has 7321 states and 10637 transitions. Word has length 113 [2022-10-16 14:11:13,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:11:13,666 INFO L495 AbstractCegarLoop]: Abstraction has 7321 states and 10637 transitions. [2022-10-16 14:11:13,666 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (13), 5 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-10-16 14:11:13,667 INFO L276 IsEmpty]: Start isEmpty. Operand 7321 states and 10637 transitions. [2022-10-16 14:11:13,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-10-16 14:11:13,673 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:11:13,673 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:11:13,673 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 14:11:13,674 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [send_commandErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, send_commandErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, send_commandErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 277 more)] === [2022-10-16 14:11:13,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:11:13,676 INFO L85 PathProgramCache]: Analyzing trace with hash 1319134675, now seen corresponding path program 1 times [2022-10-16 14:11:13,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:11:13,676 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993995389] [2022-10-16 14:11:13,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:11:13,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:11:13,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:13,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:11:13,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:13,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:11:13,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:13,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:11:13,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:13,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 14:11:13,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:13,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:11:13,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:13,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:11:13,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:13,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 14:11:13,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:14,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:11:14,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:14,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:11:14,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:14,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 14:11:14,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:14,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:11:14,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:14,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:11:14,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:14,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-10-16 14:11:14,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:14,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:11:14,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:14,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-10-16 14:11:14,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:14,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:11:14,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:14,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-10-16 14:11:14,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:14,107 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-10-16 14:11:14,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:11:14,108 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993995389] [2022-10-16 14:11:14,108 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [993995389] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:11:14,108 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:11:14,108 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 14:11:14,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553809372] [2022-10-16 14:11:14,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:11:14,109 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 14:11:14,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:11:14,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 14:11:14,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 14:11:14,110 INFO L87 Difference]: Start difference. First operand 7321 states and 10637 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (13), 5 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-10-16 14:11:22,931 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 14:11:24,754 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 14:11:28,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:11:28,517 INFO L93 Difference]: Finished difference Result 15320 states and 22422 transitions. [2022-10-16 14:11:28,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 14:11:28,517 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (13), 5 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 116 [2022-10-16 14:11:28,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:11:28,559 INFO L225 Difference]: With dead ends: 15320 [2022-10-16 14:11:28,559 INFO L226 Difference]: Without dead ends: 7978 [2022-10-16 14:11:28,588 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-10-16 14:11:28,589 INFO L413 NwaCegarLoop]: 2588 mSDtfsCounter, 3847 mSDsluCounter, 3370 mSDsCounter, 0 mSdLazyCounter, 2415 mSolverCounterSat, 1280 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4057 SdHoareTripleChecker+Valid, 5958 SdHoareTripleChecker+Invalid, 3695 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1280 IncrementalHoareTripleChecker+Valid, 2415 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.8s IncrementalHoareTripleChecker+Time [2022-10-16 14:11:28,589 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4057 Valid, 5958 Invalid, 3695 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1280 Valid, 2415 Invalid, 0 Unknown, 0 Unchecked, 13.8s Time] [2022-10-16 14:11:28,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7978 states. [2022-10-16 14:11:29,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7978 to 7261. [2022-10-16 14:11:29,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7261 states, 5387 states have (on average 1.444774457026174) internal successors, (7783), 5802 states have internal predecessors, (7783), 1303 states have call successors, (1303), 345 states have call predecessors, (1303), 375 states have return successors, (1451), 1225 states have call predecessors, (1451), 1303 states have call successors, (1451) [2022-10-16 14:11:29,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7261 states to 7261 states and 10537 transitions. [2022-10-16 14:11:29,151 INFO L78 Accepts]: Start accepts. Automaton has 7261 states and 10537 transitions. Word has length 116 [2022-10-16 14:11:29,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:11:29,152 INFO L495 AbstractCegarLoop]: Abstraction has 7261 states and 10537 transitions. [2022-10-16 14:11:29,152 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (13), 5 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-10-16 14:11:29,153 INFO L276 IsEmpty]: Start isEmpty. Operand 7261 states and 10537 transitions. [2022-10-16 14:11:29,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-10-16 14:11:29,155 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:11:29,156 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:11:29,156 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 14:11:29,156 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting vub300_pollwork_threadErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [send_commandErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, send_commandErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, send_commandErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 277 more)] === [2022-10-16 14:11:29,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:11:29,157 INFO L85 PathProgramCache]: Analyzing trace with hash 846682303, now seen corresponding path program 1 times [2022-10-16 14:11:29,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:11:29,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464512488] [2022-10-16 14:11:29,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:11:29,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:11:29,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:29,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:11:29,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:29,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:11:29,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:29,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:11:29,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:29,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 14:11:29,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:29,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:11:29,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:29,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:11:29,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:29,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 14:11:29,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:29,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:11:29,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:29,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:11:29,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:29,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 14:11:29,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:29,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:11:29,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:29,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:11:29,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:29,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-10-16 14:11:29,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:29,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:11:29,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:29,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-10-16 14:11:29,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:29,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:11:29,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:29,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-10-16 14:11:29,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:29,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-10-16 14:11:29,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:29,664 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2022-10-16 14:11:29,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:11:29,664 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464512488] [2022-10-16 14:11:29,664 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [464512488] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:11:29,665 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:11:29,665 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 14:11:29,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007548979] [2022-10-16 14:11:29,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:11:29,666 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 14:11:29,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:11:29,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 14:11:29,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 14:11:29,667 INFO L87 Difference]: Start difference. First operand 7261 states and 10537 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-10-16 14:11:36,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:11:36,514 INFO L93 Difference]: Finished difference Result 15208 states and 22194 transitions. [2022-10-16 14:11:36,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 14:11:36,515 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 120 [2022-10-16 14:11:36,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:11:36,548 INFO L225 Difference]: With dead ends: 15208 [2022-10-16 14:11:36,549 INFO L226 Difference]: Without dead ends: 7970 [2022-10-16 14:11:36,572 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-10-16 14:11:36,573 INFO L413 NwaCegarLoop]: 2564 mSDtfsCounter, 4573 mSDsluCounter, 1273 mSDsCounter, 0 mSdLazyCounter, 1026 mSolverCounterSat, 1730 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4775 SdHoareTripleChecker+Valid, 3837 SdHoareTripleChecker+Invalid, 2756 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1730 IncrementalHoareTripleChecker+Valid, 1026 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2022-10-16 14:11:36,574 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4775 Valid, 3837 Invalid, 2756 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1730 Valid, 1026 Invalid, 0 Unknown, 0 Unchecked, 6.2s Time] [2022-10-16 14:11:36,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7970 states. [2022-10-16 14:11:37,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7970 to 7253. [2022-10-16 14:11:37,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7253 states, 5383 states have (on average 1.4443618799925693) internal successors, (7775), 5798 states have internal predecessors, (7775), 1299 states have call successors, (1299), 345 states have call predecessors, (1299), 375 states have return successors, (1443), 1221 states have call predecessors, (1443), 1299 states have call successors, (1443) [2022-10-16 14:11:37,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7253 states to 7253 states and 10517 transitions. [2022-10-16 14:11:37,103 INFO L78 Accepts]: Start accepts. Automaton has 7253 states and 10517 transitions. Word has length 120 [2022-10-16 14:11:37,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:11:37,103 INFO L495 AbstractCegarLoop]: Abstraction has 7253 states and 10517 transitions. [2022-10-16 14:11:37,103 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-10-16 14:11:37,104 INFO L276 IsEmpty]: Start isEmpty. Operand 7253 states and 10517 transitions. [2022-10-16 14:11:37,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-10-16 14:11:37,108 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:11:37,108 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:11:37,108 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 14:11:37,108 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting vub300_pollwork_threadErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [send_commandErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, send_commandErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, send_commandErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 277 more)] === [2022-10-16 14:11:37,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:11:37,109 INFO L85 PathProgramCache]: Analyzing trace with hash 710351976, now seen corresponding path program 1 times [2022-10-16 14:11:37,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:11:37,109 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560886807] [2022-10-16 14:11:37,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:11:37,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:11:37,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:37,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:11:37,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:37,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:11:37,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:37,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:11:37,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:37,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 14:11:37,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:37,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:11:37,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:37,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:11:37,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:37,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 14:11:37,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:37,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:11:37,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:37,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:11:37,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:37,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 14:11:37,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:37,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:11:37,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:37,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:11:37,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:37,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-10-16 14:11:37,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:37,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:11:37,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:37,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-10-16 14:11:37,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:37,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:11:37,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:37,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-10-16 14:11:37,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:37,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-10-16 14:11:37,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:37,500 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2022-10-16 14:11:37,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:11:37,500 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560886807] [2022-10-16 14:11:37,501 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1560886807] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:11:37,501 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:11:37,501 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 14:11:37,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118312587] [2022-10-16 14:11:37,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:11:37,502 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 14:11:37,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:11:37,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 14:11:37,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 14:11:37,503 INFO L87 Difference]: Start difference. First operand 7253 states and 10517 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-10-16 14:11:43,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:11:43,966 INFO L93 Difference]: Finished difference Result 15192 states and 22154 transitions. [2022-10-16 14:11:43,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 14:11:43,966 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 122 [2022-10-16 14:11:43,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:11:44,003 INFO L225 Difference]: With dead ends: 15192 [2022-10-16 14:11:44,003 INFO L226 Difference]: Without dead ends: 7962 [2022-10-16 14:11:44,027 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-10-16 14:11:44,028 INFO L413 NwaCegarLoop]: 2560 mSDtfsCounter, 4562 mSDsluCounter, 1268 mSDsCounter, 0 mSdLazyCounter, 1018 mSolverCounterSat, 1740 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4767 SdHoareTripleChecker+Valid, 3828 SdHoareTripleChecker+Invalid, 2758 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1740 IncrementalHoareTripleChecker+Valid, 1018 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2022-10-16 14:11:44,028 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4767 Valid, 3828 Invalid, 2758 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1740 Valid, 1018 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2022-10-16 14:11:44,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7962 states. [2022-10-16 14:11:44,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7962 to 7245. [2022-10-16 14:11:44,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7245 states, 5379 states have (on average 1.4439486893474625) internal successors, (7767), 5794 states have internal predecessors, (7767), 1295 states have call successors, (1295), 345 states have call predecessors, (1295), 375 states have return successors, (1435), 1217 states have call predecessors, (1435), 1295 states have call successors, (1435) [2022-10-16 14:11:44,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7245 states to 7245 states and 10497 transitions. [2022-10-16 14:11:44,636 INFO L78 Accepts]: Start accepts. Automaton has 7245 states and 10497 transitions. Word has length 122 [2022-10-16 14:11:44,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:11:44,638 INFO L495 AbstractCegarLoop]: Abstraction has 7245 states and 10497 transitions. [2022-10-16 14:11:44,638 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-10-16 14:11:44,639 INFO L276 IsEmpty]: Start isEmpty. Operand 7245 states and 10497 transitions. [2022-10-16 14:11:44,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-10-16 14:11:44,642 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:11:44,642 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:11:44,642 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 14:11:44,642 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting vub300_pollwork_threadErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [send_commandErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, send_commandErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, send_commandErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 277 more)] === [2022-10-16 14:11:44,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:11:44,643 INFO L85 PathProgramCache]: Analyzing trace with hash -1438693463, now seen corresponding path program 1 times [2022-10-16 14:11:44,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:11:44,643 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390195132] [2022-10-16 14:11:44,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:11:44,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:11:44,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:44,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:11:44,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:44,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:11:44,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:44,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:11:44,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:44,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 14:11:44,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:44,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:11:44,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:44,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:11:44,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:44,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 14:11:44,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:44,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:11:44,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:44,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:11:44,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:44,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 14:11:44,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:44,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:11:44,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:44,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:11:44,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:44,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-10-16 14:11:45,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:45,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:11:45,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:45,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-10-16 14:11:45,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:45,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:11:45,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:45,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-10-16 14:11:45,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:45,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-10-16 14:11:45,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:45,042 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2022-10-16 14:11:45,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:11:45,042 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390195132] [2022-10-16 14:11:45,042 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390195132] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:11:45,042 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:11:45,043 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 14:11:45,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564636735] [2022-10-16 14:11:45,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:11:45,044 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 14:11:45,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:11:45,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 14:11:45,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 14:11:45,046 INFO L87 Difference]: Start difference. First operand 7245 states and 10497 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-10-16 14:11:51,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:11:51,159 INFO L93 Difference]: Finished difference Result 15176 states and 22114 transitions. [2022-10-16 14:11:51,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 14:11:51,160 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 123 [2022-10-16 14:11:51,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:11:51,268 INFO L225 Difference]: With dead ends: 15176 [2022-10-16 14:11:51,268 INFO L226 Difference]: Without dead ends: 7954 [2022-10-16 14:11:51,289 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-10-16 14:11:51,292 INFO L413 NwaCegarLoop]: 2570 mSDtfsCounter, 4545 mSDsluCounter, 1267 mSDsCounter, 0 mSdLazyCounter, 1020 mSolverCounterSat, 1726 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4747 SdHoareTripleChecker+Valid, 3837 SdHoareTripleChecker+Invalid, 2746 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1726 IncrementalHoareTripleChecker+Valid, 1020 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-10-16 14:11:51,292 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4747 Valid, 3837 Invalid, 2746 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1726 Valid, 1020 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2022-10-16 14:11:51,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7954 states. [2022-10-16 14:11:51,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7954 to 7237. [2022-10-16 14:11:51,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7237 states, 5375 states have (on average 1.4435348837209303) internal successors, (7759), 5790 states have internal predecessors, (7759), 1291 states have call successors, (1291), 345 states have call predecessors, (1291), 375 states have return successors, (1427), 1213 states have call predecessors, (1427), 1291 states have call successors, (1427) [2022-10-16 14:11:51,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7237 states to 7237 states and 10477 transitions. [2022-10-16 14:11:51,889 INFO L78 Accepts]: Start accepts. Automaton has 7237 states and 10477 transitions. Word has length 123 [2022-10-16 14:11:51,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:11:51,889 INFO L495 AbstractCegarLoop]: Abstraction has 7237 states and 10477 transitions. [2022-10-16 14:11:51,889 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-10-16 14:11:51,890 INFO L276 IsEmpty]: Start isEmpty. Operand 7237 states and 10477 transitions. [2022-10-16 14:11:51,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-10-16 14:11:51,892 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:11:51,892 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:11:51,892 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 14:11:51,893 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting vub300_pollwork_threadErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [send_commandErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, send_commandErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, send_commandErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 277 more)] === [2022-10-16 14:11:51,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:11:51,893 INFO L85 PathProgramCache]: Analyzing trace with hash -415586528, now seen corresponding path program 1 times [2022-10-16 14:11:51,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:11:51,893 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601824824] [2022-10-16 14:11:51,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:11:51,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:11:51,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:52,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:11:52,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:52,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:11:52,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:52,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:11:52,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:52,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 14:11:52,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:52,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:11:52,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:52,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:11:52,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:52,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 14:11:52,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:52,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:11:52,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:52,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:11:52,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:52,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 14:11:52,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:52,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:11:52,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:52,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:11:52,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:52,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-10-16 14:11:52,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:52,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:11:52,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:52,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-10-16 14:11:52,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:52,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:11:52,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:52,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-10-16 14:11:52,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:52,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-10-16 14:11:52,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:52,286 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2022-10-16 14:11:52,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:11:52,286 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601824824] [2022-10-16 14:11:52,287 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601824824] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:11:52,287 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:11:52,287 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 14:11:52,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999702554] [2022-10-16 14:11:52,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:11:52,288 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 14:11:52,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:11:52,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 14:11:52,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 14:11:52,289 INFO L87 Difference]: Start difference. First operand 7237 states and 10477 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-10-16 14:12:01,478 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 14:12:06,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:12:06,157 INFO L93 Difference]: Finished difference Result 15160 states and 22074 transitions. [2022-10-16 14:12:06,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 14:12:06,158 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 121 [2022-10-16 14:12:06,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:12:06,199 INFO L225 Difference]: With dead ends: 15160 [2022-10-16 14:12:06,199 INFO L226 Difference]: Without dead ends: 7946 [2022-10-16 14:12:06,239 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-10-16 14:12:06,240 INFO L413 NwaCegarLoop]: 2563 mSDtfsCounter, 3786 mSDsluCounter, 3325 mSDsCounter, 0 mSdLazyCounter, 2390 mSolverCounterSat, 1246 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3989 SdHoareTripleChecker+Valid, 5888 SdHoareTripleChecker+Invalid, 3636 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1246 IncrementalHoareTripleChecker+Valid, 2390 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:12:06,240 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3989 Valid, 5888 Invalid, 3636 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1246 Valid, 2390 Invalid, 0 Unknown, 0 Unchecked, 13.1s Time] [2022-10-16 14:12:06,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7946 states. [2022-10-16 14:12:06,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7946 to 7229. [2022-10-16 14:12:06,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7229 states, 5371 states have (on average 1.4431204617389686) internal successors, (7751), 5786 states have internal predecessors, (7751), 1287 states have call successors, (1287), 345 states have call predecessors, (1287), 375 states have return successors, (1419), 1209 states have call predecessors, (1419), 1287 states have call successors, (1419) [2022-10-16 14:12:06,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7229 states to 7229 states and 10457 transitions. [2022-10-16 14:12:06,834 INFO L78 Accepts]: Start accepts. Automaton has 7229 states and 10457 transitions. Word has length 121 [2022-10-16 14:12:06,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:12:06,834 INFO L495 AbstractCegarLoop]: Abstraction has 7229 states and 10457 transitions. [2022-10-16 14:12:06,835 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-10-16 14:12:06,835 INFO L276 IsEmpty]: Start isEmpty. Operand 7229 states and 10457 transitions. [2022-10-16 14:12:06,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-10-16 14:12:06,837 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:12:06,837 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:12:06,838 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 14:12:06,838 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting vub300_deleteErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [send_commandErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, send_commandErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, send_commandErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 277 more)] === [2022-10-16 14:12:06,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:12:06,838 INFO L85 PathProgramCache]: Analyzing trace with hash -176010410, now seen corresponding path program 1 times [2022-10-16 14:12:06,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:12:06,839 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901739348] [2022-10-16 14:12:06,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:12:06,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:12:06,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:07,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:12:07,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:07,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:12:07,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:07,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:12:07,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:07,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 14:12:07,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:07,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:12:07,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:07,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:12:07,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:07,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 14:12:07,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:07,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:12:07,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:07,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:12:07,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:07,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 14:12:07,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:07,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:12:07,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:07,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:12:07,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:07,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-10-16 14:12:07,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:07,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:12:07,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:07,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-10-16 14:12:07,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:07,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:12:07,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:07,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-10-16 14:12:07,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:07,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-10-16 14:12:07,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:07,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-10-16 14:12:07,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:07,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-10-16 14:12:07,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:07,580 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-10-16 14:12:07,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:12:07,580 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901739348] [2022-10-16 14:12:07,580 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [901739348] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:12:07,581 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:12:07,581 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 14:12:07,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985946411] [2022-10-16 14:12:07,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:12:07,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 14:12:07,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:12:07,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 14:12:07,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-10-16 14:12:07,584 INFO L87 Difference]: Start difference. First operand 7229 states and 10457 transitions. Second operand has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-10-16 14:12:15,646 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 14:12:24,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:12:24,255 INFO L93 Difference]: Finished difference Result 24742 states and 36894 transitions. [2022-10-16 14:12:24,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-16 14:12:24,255 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 125 [2022-10-16 14:12:24,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:12:24,321 INFO L225 Difference]: With dead ends: 24742 [2022-10-16 14:12:24,321 INFO L226 Difference]: Without dead ends: 17536 [2022-10-16 14:12:24,358 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2022-10-16 14:12:24,359 INFO L413 NwaCegarLoop]: 2649 mSDtfsCounter, 9629 mSDsluCounter, 3971 mSDsCounter, 0 mSdLazyCounter, 3758 mSolverCounterSat, 5294 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9851 SdHoareTripleChecker+Valid, 6620 SdHoareTripleChecker+Invalid, 9052 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5294 IncrementalHoareTripleChecker+Valid, 3758 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.7s IncrementalHoareTripleChecker+Time [2022-10-16 14:12:24,360 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9851 Valid, 6620 Invalid, 9052 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5294 Valid, 3758 Invalid, 0 Unknown, 0 Unchecked, 14.7s Time] [2022-10-16 14:12:24,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17536 states. [2022-10-16 14:12:25,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17536 to 15641. [2022-10-16 14:12:25,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15641 states, 11759 states have (on average 1.4496981035802363) internal successors, (17047), 12464 states have internal predecessors, (17047), 2809 states have call successors, (2809), 673 states have call predecessors, (2809), 877 states have return successors, (3582), 2785 states have call predecessors, (3582), 2809 states have call successors, (3582) [2022-10-16 14:12:25,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15641 states to 15641 states and 23438 transitions. [2022-10-16 14:12:25,687 INFO L78 Accepts]: Start accepts. Automaton has 15641 states and 23438 transitions. Word has length 125 [2022-10-16 14:12:25,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:12:25,688 INFO L495 AbstractCegarLoop]: Abstraction has 15641 states and 23438 transitions. [2022-10-16 14:12:25,688 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-10-16 14:12:25,688 INFO L276 IsEmpty]: Start isEmpty. Operand 15641 states and 23438 transitions. [2022-10-16 14:12:25,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-10-16 14:12:25,691 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:12:25,691 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:12:25,691 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 14:12:25,691 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting vub300_cmndwork_threadErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [send_commandErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, send_commandErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, send_commandErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 277 more)] === [2022-10-16 14:12:25,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:12:25,692 INFO L85 PathProgramCache]: Analyzing trace with hash -216885558, now seen corresponding path program 1 times [2022-10-16 14:12:25,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:12:25,692 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293295189] [2022-10-16 14:12:25,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:12:25,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:12:25,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:25,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:12:25,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:26,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:12:26,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:26,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:12:26,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:26,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 14:12:26,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:26,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:12:26,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:26,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:12:26,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:26,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 14:12:26,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:26,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:12:26,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:26,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:12:26,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:26,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 14:12:26,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:26,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:12:26,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:26,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:12:26,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:26,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-10-16 14:12:26,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:26,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:12:26,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:26,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-10-16 14:12:26,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:26,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:12:26,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:26,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-10-16 14:12:26,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:26,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-10-16 14:12:26,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:26,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-10-16 14:12:26,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:26,179 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-10-16 14:12:26,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:12:26,180 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293295189] [2022-10-16 14:12:26,180 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1293295189] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:12:26,180 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:12:26,181 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 14:12:26,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477216740] [2022-10-16 14:12:26,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:12:26,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 14:12:26,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:12:26,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 14:12:26,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-10-16 14:12:26,183 INFO L87 Difference]: Start difference. First operand 15641 states and 23438 transitions. Second operand has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (13), 5 states have call predecessors, (13), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2022-10-16 14:12:36,620 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 14:12:37,916 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 14:12:44,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:12:44,312 INFO L93 Difference]: Finished difference Result 32682 states and 49839 transitions. [2022-10-16 14:12:44,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 14:12:44,314 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (13), 5 states have call predecessors, (13), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 127 [2022-10-16 14:12:44,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:12:44,398 INFO L225 Difference]: With dead ends: 32682 [2022-10-16 14:12:44,399 INFO L226 Difference]: Without dead ends: 17064 [2022-10-16 14:12:44,473 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-10-16 14:12:44,476 INFO L413 NwaCegarLoop]: 2596 mSDtfsCounter, 1931 mSDsluCounter, 5322 mSDsCounter, 0 mSdLazyCounter, 3265 mSolverCounterSat, 1295 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2005 SdHoareTripleChecker+Valid, 7918 SdHoareTripleChecker+Invalid, 4560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1295 IncrementalHoareTripleChecker+Valid, 3265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.6s IncrementalHoareTripleChecker+Time [2022-10-16 14:12:44,478 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2005 Valid, 7918 Invalid, 4560 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1295 Valid, 3265 Invalid, 0 Unknown, 0 Unchecked, 16.6s Time] [2022-10-16 14:12:44,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17064 states. [2022-10-16 14:12:45,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17064 to 15649. [2022-10-16 14:12:45,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15649 states, 11767 states have (on average 1.449392368488145) internal successors, (17055), 12472 states have internal predecessors, (17055), 2809 states have call successors, (2809), 673 states have call predecessors, (2809), 877 states have return successors, (3582), 2785 states have call predecessors, (3582), 2809 states have call successors, (3582) [2022-10-16 14:12:45,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15649 states to 15649 states and 23446 transitions. [2022-10-16 14:12:45,954 INFO L78 Accepts]: Start accepts. Automaton has 15649 states and 23446 transitions. Word has length 127 [2022-10-16 14:12:45,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:12:45,954 INFO L495 AbstractCegarLoop]: Abstraction has 15649 states and 23446 transitions. [2022-10-16 14:12:46,061 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (13), 5 states have call predecessors, (13), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2022-10-16 14:12:46,061 INFO L276 IsEmpty]: Start isEmpty. Operand 15649 states and 23446 transitions. [2022-10-16 14:12:46,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-10-16 14:12:46,064 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:12:46,064 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:12:46,064 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 14:12:46,065 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting vub300_cmndwork_threadErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [send_commandErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, send_commandErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, send_commandErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 277 more)] === [2022-10-16 14:12:46,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:12:46,065 INFO L85 PathProgramCache]: Analyzing trace with hash -464500077, now seen corresponding path program 1 times [2022-10-16 14:12:46,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:12:46,065 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955349238] [2022-10-16 14:12:46,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:12:46,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:12:46,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:46,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:12:46,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:46,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:12:46,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:46,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:12:46,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:46,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 14:12:46,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:46,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:12:46,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:46,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:12:46,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:46,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 14:12:46,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:46,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:12:46,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:46,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:12:46,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:46,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 14:12:46,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:46,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:12:46,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:46,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:12:46,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:46,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-10-16 14:12:46,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:46,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:12:46,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:46,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-10-16 14:12:46,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:46,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:12:46,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:46,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-10-16 14:12:46,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:46,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-10-16 14:12:46,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:46,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-10-16 14:12:46,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:46,516 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-10-16 14:12:46,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:12:46,517 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955349238] [2022-10-16 14:12:46,517 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955349238] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:12:46,517 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:12:46,517 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 14:12:46,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418926422] [2022-10-16 14:12:46,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:12:46,518 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 14:12:46,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:12:46,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 14:12:46,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-10-16 14:12:46,519 INFO L87 Difference]: Start difference. First operand 15649 states and 23446 transitions. Second operand has 8 states, 8 states have (on average 6.75) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (13), 5 states have call predecessors, (13), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2022-10-16 14:12:56,758 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 14:13:03,016 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 14:13:04,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:13:04,014 INFO L93 Difference]: Finished difference Result 32714 states and 49871 transitions. [2022-10-16 14:13:04,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 14:13:04,015 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.75) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (13), 5 states have call predecessors, (13), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 126 [2022-10-16 14:13:04,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:13:04,083 INFO L225 Difference]: With dead ends: 32714 [2022-10-16 14:13:04,084 INFO L226 Difference]: Without dead ends: 17088 [2022-10-16 14:13:04,132 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-10-16 14:13:04,133 INFO L413 NwaCegarLoop]: 2571 mSDtfsCounter, 957 mSDsluCounter, 7267 mSDsCounter, 0 mSdLazyCounter, 4294 mSolverCounterSat, 473 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1032 SdHoareTripleChecker+Valid, 9838 SdHoareTripleChecker+Invalid, 4767 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 473 IncrementalHoareTripleChecker+Valid, 4294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:13:04,133 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1032 Valid, 9838 Invalid, 4767 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [473 Valid, 4294 Invalid, 0 Unknown, 0 Unchecked, 16.0s Time] [2022-10-16 14:13:04,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17088 states. [2022-10-16 14:13:05,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17088 to 15665. [2022-10-16 14:13:05,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15665 states, 11783 states have (on average 1.4487821437664432) internal successors, (17071), 12488 states have internal predecessors, (17071), 2809 states have call successors, (2809), 673 states have call predecessors, (2809), 877 states have return successors, (3582), 2785 states have call predecessors, (3582), 2809 states have call successors, (3582) [2022-10-16 14:13:05,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15665 states to 15665 states and 23462 transitions. [2022-10-16 14:13:05,524 INFO L78 Accepts]: Start accepts. Automaton has 15665 states and 23462 transitions. Word has length 126 [2022-10-16 14:13:05,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:13:05,525 INFO L495 AbstractCegarLoop]: Abstraction has 15665 states and 23462 transitions. [2022-10-16 14:13:05,525 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.75) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (13), 5 states have call predecessors, (13), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2022-10-16 14:13:05,525 INFO L276 IsEmpty]: Start isEmpty. Operand 15665 states and 23462 transitions. [2022-10-16 14:13:05,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-10-16 14:13:05,528 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:13:05,528 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:13:05,528 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 14:13:05,528 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting vub300_cmndwork_threadErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [send_commandErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, send_commandErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, send_commandErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 277 more)] === [2022-10-16 14:13:05,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:13:05,529 INFO L85 PathProgramCache]: Analyzing trace with hash -968973882, now seen corresponding path program 1 times [2022-10-16 14:13:05,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:13:05,529 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769578159] [2022-10-16 14:13:05,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:13:05,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:13:05,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:05,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:13:05,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:05,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:13:05,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:05,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:13:05,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:05,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 14:13:05,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:05,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:13:05,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:05,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:13:05,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:05,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 14:13:05,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:05,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:13:05,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:05,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:13:05,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:05,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 14:13:05,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:05,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:13:05,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:06,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:13:06,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:06,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-10-16 14:13:06,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:06,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:13:06,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:06,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-10-16 14:13:06,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:06,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:13:06,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:06,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-10-16 14:13:06,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:06,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-10-16 14:13:06,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:06,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-10-16 14:13:06,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:06,106 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-10-16 14:13:06,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:13:06,106 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769578159] [2022-10-16 14:13:06,107 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [769578159] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:13:06,107 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:13:06,107 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 14:13:06,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118360043] [2022-10-16 14:13:06,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:13:06,108 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 14:13:06,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:13:06,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 14:13:06,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-10-16 14:13:06,110 INFO L87 Difference]: Start difference. First operand 15665 states and 23462 transitions. Second operand has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12)