/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_2a-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 14:09:45,018 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 14:09:45,023 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 14:09:45,085 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 14:09:45,086 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 14:09:45,091 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 14:09:45,095 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 14:09:45,118 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 14:09:45,122 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 14:09:45,129 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 14:09:45,131 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 14:09:45,134 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 14:09:45,134 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 14:09:45,138 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 14:09:45,140 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 14:09:45,147 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 14:09:45,149 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 14:09:45,151 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 14:09:45,155 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 14:09:45,165 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 14:09:45,168 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 14:09:45,170 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 14:09:45,173 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 14:09:45,174 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 14:09:45,186 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 14:09:45,187 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 14:09:45,187 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 14:09:45,190 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 14:09:45,191 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 14:09:45,192 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 14:09:45,192 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 14:09:45,193 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 14:09:45,196 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 14:09:45,197 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 14:09:45,198 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 14:09:45,199 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 14:09:45,200 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 14:09:45,200 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 14:09:45,200 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 14:09:45,202 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 14:09:45,203 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 14:09:45,205 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 14:09:45,265 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 14:09:45,266 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 14:09:45,267 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 14:09:45,267 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 14:09:45,269 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 14:09:45,269 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 14:09:45,272 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 14:09:45,273 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 14:09:45,273 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 14:09:45,273 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 14:09:45,275 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 14:09:45,275 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 14:09:45,275 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 14:09:45,275 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 14:09:45,276 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 14:09:45,276 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 14:09:45,276 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 14:09:45,276 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 14:09:45,277 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 14:09:45,277 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 14:09:45,277 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 14:09:45,277 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 14:09:45,278 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 14:09:45,278 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 14:09:45,278 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 14:09:45,279 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 14:09:45,279 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 14:09:45,279 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 14:09:45,279 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 14:09:45,280 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 14:09:45,280 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 14:09:45,280 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 14:09:45,281 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 14:09:45,281 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 14:09:45,732 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 14:09:45,763 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 14:09:45,766 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 14:09:45,768 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 14:09:45,769 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 14:09:45,771 INFO L432 ainManager$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_2a-drivers--mmc--host--vub300.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-10-16 14:09:45,866 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea48e99d6/85efbe67f2b0498984ad957b20655de9/FLAG58c0848b2 [2022-10-16 14:09:47,069 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 14:09:47,071 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-5fdb450-1-144_2a-drivers--mmc--host--vub300.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-10-16 14:09:47,127 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea48e99d6/85efbe67f2b0498984ad957b20655de9/FLAG58c0848b2 [2022-10-16 14:09:47,432 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea48e99d6/85efbe67f2b0498984ad957b20655de9 [2022-10-16 14:09:47,435 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 14:09:47,441 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 14:09:47,445 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 14:09:47,446 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 14:09:47,450 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 14:09:47,451 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:09:47" (1/1) ... [2022-10-16 14:09:47,452 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72235d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:09:47, skipping insertion in model container [2022-10-16 14:09:47,453 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:09:47" (1/1) ... [2022-10-16 14:09:47,461 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 14:09:47,618 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 14:09:49,808 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_2a-drivers--mmc--host--vub300.ko-entry_point_ldv-val-v0.8.cil.out.i[238753,238766] [2022-10-16 14:09:49,864 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 14:09:49,905 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 14:09:50,460 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_2a-drivers--mmc--host--vub300.ko-entry_point_ldv-val-v0.8.cil.out.i[238753,238766] [2022-10-16 14:09:50,485 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 14:09:50,624 INFO L208 MainTranslator]: Completed translation [2022-10-16 14:09:50,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:09:50 WrapperNode [2022-10-16 14:09:50,626 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 14:09:50,628 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 14:09:50,628 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 14:09:50,628 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 14:09:50,637 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:09:50" (1/1) ... [2022-10-16 14:09:50,744 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:09:50" (1/1) ... [2022-10-16 14:09:51,101 INFO L138 Inliner]: procedures = 257, calls = 1800, calls flagged for inlining = 103, calls inlined = 99, statements flattened = 4884 [2022-10-16 14:09:51,102 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 14:09:51,103 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 14:09:51,103 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 14:09:51,103 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 14:09:51,115 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:09:50" (1/1) ... [2022-10-16 14:09:51,115 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:09:50" (1/1) ... [2022-10-16 14:09:51,173 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:09:50" (1/1) ... [2022-10-16 14:09:51,173 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:09:50" (1/1) ... [2022-10-16 14:09:51,530 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:09:50" (1/1) ... [2022-10-16 14:09:51,559 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:09:50" (1/1) ... [2022-10-16 14:09:51,601 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:09:50" (1/1) ... [2022-10-16 14:09:51,680 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:09:50" (1/1) ... [2022-10-16 14:09:51,753 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 14:09:51,755 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 14:09:51,755 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 14:09:51,756 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 14:09:51,757 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:09:50" (1/1) ... [2022-10-16 14:09:51,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 14:09:51,782 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:09:51,801 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 14:09:51,827 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 14:09:51,881 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-10-16 14:09:51,881 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-10-16 14:09:51,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-16 14:09:51,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-16 14:09:51,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-16 14:09:51,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-16 14:09:51,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-10-16 14:09:51,882 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-10-16 14:09:51,882 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_delete [2022-10-16 14:09:51,883 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_delete [2022-10-16 14:09:51,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_bulk_urb_11 [2022-10-16 14:09:51,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_bulk_urb_11 [2022-10-16 14:09:51,883 INFO L130 BoogieDeclarations]: Found specification of procedure usb_sg_wait [2022-10-16 14:09:51,883 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_sg_wait [2022-10-16 14:09:51,883 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_usb_bulk_msg [2022-10-16 14:09:51,883 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_usb_bulk_msg [2022-10-16 14:09:51,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2022-10-16 14:09:51,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2022-10-16 14:09:51,884 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2022-10-16 14:09:51,884 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2022-10-16 14:09:51,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-16 14:09:51,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-16 14:09:51,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2022-10-16 14:09:51,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2022-10-16 14:09:51,885 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-10-16 14:09:51,885 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-10-16 14:09:51,886 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_signal_sdio_irq [2022-10-16 14:09:51,886 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_signal_sdio_irq [2022-10-16 14:09:51,886 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-10-16 14:09:51,886 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-10-16 14:09:51,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-16 14:09:51,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-16 14:09:51,886 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-16 14:09:51,887 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-16 14:09:51,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_49 [2022-10-16 14:09:51,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_49 [2022-10-16 14:09:51,887 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-16 14:09:51,887 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-16 14:09:51,887 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_detect_change [2022-10-16 14:09:51,888 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_detect_change [2022-10-16 14:09:51,888 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-10-16 14:09:51,888 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-10-16 14:09:51,888 INFO L130 BoogieDeclarations]: Found specification of procedure usb_sg_cancel [2022-10-16 14:09:51,888 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_sg_cancel [2022-10-16 14:09:51,888 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-10-16 14:09:51,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-10-16 14:09:51,889 INFO L130 BoogieDeclarations]: Found specification of procedure usb_sg_init [2022-10-16 14:09:51,889 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_sg_init [2022-10-16 14:09:51,889 INFO L130 BoogieDeclarations]: Found specification of procedure __command_read_data [2022-10-16 14:09:51,890 INFO L138 BoogieDeclarations]: Found implementation of procedure __command_read_data [2022-10-16 14:09:51,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_26 [2022-10-16 14:09:51,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_26 [2022-10-16 14:09:51,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-16 14:09:51,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_28 [2022-10-16 14:09:51,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_28 [2022-10-16 14:09:51,892 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-10-16 14:09:51,892 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-10-16 14:09:51,892 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2022-10-16 14:09:51,892 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2022-10-16 14:09:51,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-16 14:09:51,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_12 [2022-10-16 14:09:51,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_12 [2022-10-16 14:09:51,893 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-10-16 14:09:51,893 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-10-16 14:09:51,893 INFO L130 BoogieDeclarations]: Found specification of procedure irqpoll_out_completed [2022-10-16 14:09:51,893 INFO L138 BoogieDeclarations]: Found implementation of procedure irqpoll_out_completed [2022-10-16 14:09:51,894 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_disconnect [2022-10-16 14:09:51,894 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_disconnect [2022-10-16 14:09:51,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_14 [2022-10-16 14:09:51,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_14 [2022-10-16 14:09:51,895 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_3 [2022-10-16 14:09:51,895 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_3 [2022-10-16 14:09:51,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-16 14:09:51,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-16 14:09:51,896 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-10-16 14:09:51,897 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-10-16 14:09:51,898 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-10-16 14:09:51,898 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-10-16 14:09:51,898 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_enable_sdio_irq [2022-10-16 14:09:51,898 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_enable_sdio_irq [2022-10-16 14:09:51,898 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-10-16 14:09:51,898 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-10-16 14:09:51,899 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-10-16 14:09:51,899 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-10-16 14:09:51,899 INFO L130 BoogieDeclarations]: Found specification of procedure add_offloaded_reg [2022-10-16 14:09:51,899 INFO L138 BoogieDeclarations]: Found implementation of procedure add_offloaded_reg [2022-10-16 14:09:51,899 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2022-10-16 14:09:51,900 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2022-10-16 14:09:51,900 INFO L130 BoogieDeclarations]: Found specification of procedure command_out_completed [2022-10-16 14:09:51,900 INFO L138 BoogieDeclarations]: Found implementation of procedure command_out_completed [2022-10-16 14:09:51,901 INFO L130 BoogieDeclarations]: Found specification of procedure roundup_to_multiple_of_64 [2022-10-16 14:09:51,901 INFO L138 BoogieDeclarations]: Found implementation of procedure roundup_to_multiple_of_64 [2022-10-16 14:09:51,901 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2022-10-16 14:09:51,902 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2022-10-16 14:09:51,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-16 14:09:51,903 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_cmndwork_thread [2022-10-16 14:09:51,903 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_cmndwork_thread [2022-10-16 14:09:51,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-16 14:09:51,904 INFO L130 BoogieDeclarations]: Found specification of procedure send_command [2022-10-16 14:09:51,904 INFO L138 BoogieDeclarations]: Found implementation of procedure send_command [2022-10-16 14:09:51,904 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2022-10-16 14:09:51,905 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2022-10-16 14:09:51,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-16 14:09:51,905 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_6 [2022-10-16 14:09:51,905 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_6 [2022-10-16 14:09:51,905 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2022-10-16 14:09:51,905 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2022-10-16 14:09:51,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-10-16 14:09:51,906 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-10-16 14:09:51,906 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-10-16 14:09:51,906 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-10-16 14:09:51,907 INFO L130 BoogieDeclarations]: Found specification of procedure send_irqpoll [2022-10-16 14:09:51,907 INFO L138 BoogieDeclarations]: Found implementation of procedure send_irqpoll [2022-10-16 14:09:51,907 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-10-16 14:09:51,907 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-10-16 14:09:51,907 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-16 14:09:51,907 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-16 14:09:51,907 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2022-10-16 14:09:51,908 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2022-10-16 14:09:51,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-16 14:09:51,908 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_response_error [2022-10-16 14:09:51,910 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_response_error [2022-10-16 14:09:51,911 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_out [2022-10-16 14:09:51,912 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_out [2022-10-16 14:09:51,915 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_free_host [2022-10-16 14:09:51,920 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_free_host [2022-10-16 14:09:51,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-16 14:09:51,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-16 14:09:51,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_31 [2022-10-16 14:09:51,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_31 [2022-10-16 14:09:51,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-10-16 14:09:51,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-10-16 14:09:51,923 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-16 14:09:51,923 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_6 [2022-10-16 14:09:51,924 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_6 [2022-10-16 14:09:51,924 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_queue_poll_work [2022-10-16 14:09:51,924 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_queue_poll_work [2022-10-16 14:09:51,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-10-16 14:09:51,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-10-16 14:09:51,924 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2022-10-16 14:09:51,925 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2022-10-16 14:09:51,925 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_in [2022-10-16 14:09:51,925 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_in [2022-10-16 14:09:51,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 14:09:51,925 INFO L130 BoogieDeclarations]: Found specification of procedure sg_copy_to_buffer [2022-10-16 14:09:51,925 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_copy_to_buffer [2022-10-16 14:09:51,925 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_6 [2022-10-16 14:09:51,926 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_6 [2022-10-16 14:09:51,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put_8 [2022-10-16 14:09:51,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put_8 [2022-10-16 14:09:51,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-10-16 14:09:51,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-10-16 14:09:51,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-16 14:09:51,926 INFO L130 BoogieDeclarations]: Found specification of procedure __download_offload_pseudocode [2022-10-16 14:09:51,926 INFO L138 BoogieDeclarations]: Found implementation of procedure __download_offload_pseudocode [2022-10-16 14:09:51,927 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-10-16 14:09:51,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-10-16 14:09:51,927 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_pollwork_thread [2022-10-16 14:09:51,927 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_pollwork_thread [2022-10-16 14:09:51,927 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_InterfaceNumber [2022-10-16 14:09:51,927 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_InterfaceNumber [2022-10-16 14:09:51,927 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-10-16 14:09:51,928 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-10-16 14:09:51,928 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-10-16 14:09:51,928 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-10-16 14:09:51,928 INFO L130 BoogieDeclarations]: Found specification of procedure __do_poll [2022-10-16 14:09:51,928 INFO L138 BoogieDeclarations]: Found implementation of procedure __do_poll [2022-10-16 14:09:51,928 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_3 [2022-10-16 14:09:51,928 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_3 [2022-10-16 14:09:51,928 INFO L130 BoogieDeclarations]: Found specification of procedure new_system_port_status [2022-10-16 14:09:51,929 INFO L138 BoogieDeclarations]: Found implementation of procedure new_system_port_status [2022-10-16 14:09:51,929 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_request_done [2022-10-16 14:09:51,929 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_request_done [2022-10-16 14:09:51,929 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-10-16 14:09:51,929 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-10-16 14:09:51,929 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-10-16 14:09:51,929 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-10-16 14:09:51,929 INFO L130 BoogieDeclarations]: Found specification of procedure __command_write_data [2022-10-16 14:09:51,929 INFO L138 BoogieDeclarations]: Found implementation of procedure __command_write_data [2022-10-16 14:09:51,930 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2022-10-16 14:09:51,930 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2022-10-16 14:09:51,930 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-10-16 14:09:51,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-10-16 14:09:51,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_46 [2022-10-16 14:09:51,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_46 [2022-10-16 14:09:51,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2022-10-16 14:09:51,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2022-10-16 14:09:51,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 14:09:51,931 INFO L130 BoogieDeclarations]: Found specification of procedure usb_string [2022-10-16 14:09:51,931 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_string [2022-10-16 14:09:51,931 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_priv [2022-10-16 14:09:51,931 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_priv [2022-10-16 14:09:51,931 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2022-10-16 14:09:51,931 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2022-10-16 14:09:51,931 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_deadwork_thread [2022-10-16 14:09:51,931 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_deadwork_thread [2022-10-16 14:09:51,932 INFO L130 BoogieDeclarations]: Found specification of procedure check_vub300_port_status [2022-10-16 14:09:51,932 INFO L138 BoogieDeclarations]: Found implementation of procedure check_vub300_port_status [2022-10-16 14:09:51,932 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-10-16 14:09:51,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 14:09:51,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 14:09:52,653 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 14:09:52,657 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 14:09:54,523 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-16 14:09:59,879 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 14:09:59,904 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 14:09:59,904 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 14:09:59,910 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:09:59 BoogieIcfgContainer [2022-10-16 14:09:59,910 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 14:09:59,912 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 14:09:59,913 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 14:09:59,917 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 14:09:59,917 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 02:09:47" (1/3) ... [2022-10-16 14:09:59,918 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d35e1d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:09:59, skipping insertion in model container [2022-10-16 14:09:59,918 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:09:50" (2/3) ... [2022-10-16 14:09:59,918 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d35e1d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:09:59, skipping insertion in model container [2022-10-16 14:09:59,918 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:09:59" (3/3) ... [2022-10-16 14:09:59,920 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-stable-5fdb450-1-144_2a-drivers--mmc--host--vub300.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-10-16 14:09:59,943 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 14:09:59,944 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 280 error locations. [2022-10-16 14:10:00,059 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 14:10:00,068 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;@362b60b4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 14:10:00,068 INFO L358 AbstractCegarLoop]: Starting to check reachability of 280 error locations. [2022-10-16 14:10:00,086 INFO L276 IsEmpty]: Start isEmpty. Operand has 2211 states, 1462 states have (on average 1.5403556771545828) internal successors, (2252), 1806 states have internal predecessors, (2252), 377 states have call successors, (377), 92 states have call predecessors, (377), 91 states have return successors, (368), 342 states have call predecessors, (368), 368 states have call successors, (368) [2022-10-16 14:10:00,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-10-16 14:10:00,113 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:10:00,114 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 14:10:00,115 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [send_commandErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, send_commandErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, send_commandErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 277 more)] === [2022-10-16 14:10:00,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:10:00,122 INFO L85 PathProgramCache]: Analyzing trace with hash -319326549, now seen corresponding path program 1 times [2022-10-16 14:10:00,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:10:00,134 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293537895] [2022-10-16 14:10:00,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:10:00,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:10:00,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:01,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:10:01,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:01,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:01,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:01,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:01,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:01,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 14:10:01,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:01,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:01,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:01,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:01,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:01,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 14:10:01,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:01,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:01,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:01,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:01,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:01,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 14:10:01,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:01,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:01,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:01,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:01,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:01,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-10-16 14:10:01,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:01,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:01,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:01,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-10-16 14:10:01,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:01,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:01,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:01,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-10-16 14:10:01,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:01,509 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 14:10:01,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:10:01,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293537895] [2022-10-16 14:10:01,511 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1293537895] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:10:01,511 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:10:01,511 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 14:10:01,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972021922] [2022-10-16 14:10:01,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:10:01,520 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 14:10:01,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:10:01,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 14:10:01,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 14:10:01,566 INFO L87 Difference]: Start difference. First operand has 2211 states, 1462 states have (on average 1.5403556771545828) internal successors, (2252), 1806 states have internal predecessors, (2252), 377 states have call successors, (377), 92 states have call predecessors, (377), 91 states have return successors, (368), 342 states have call predecessors, (368), 368 states have call successors, (368) 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 14:10:05,932 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 14:10:12,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:10:12,763 INFO L93 Difference]: Finished difference Result 4535 states and 6412 transitions. [2022-10-16 14:10:12,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 14:10:12,766 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 14:10:12,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:10:12,810 INFO L225 Difference]: With dead ends: 4535 [2022-10-16 14:10:12,810 INFO L226 Difference]: Without dead ends: 2299 [2022-10-16 14:10:12,842 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 14:10:12,850 INFO L413 NwaCegarLoop]: 2644 mSDtfsCounter, 3940 mSDsluCounter, 2486 mSDsCounter, 0 mSdLazyCounter, 1719 mSolverCounterSat, 1298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4139 SdHoareTripleChecker+Valid, 5130 SdHoareTripleChecker+Invalid, 3017 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1298 IncrementalHoareTripleChecker+Valid, 1719 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.6s IncrementalHoareTripleChecker+Time [2022-10-16 14:10:12,852 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4139 Valid, 5130 Invalid, 3017 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1298 Valid, 1719 Invalid, 0 Unknown, 0 Unchecked, 10.6s Time] [2022-10-16 14:10:12,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2299 states. [2022-10-16 14:10:13,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2299 to 2093. [2022-10-16 14:10:13,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2093 states, 1446 states have (on average 1.4481327800829875) internal successors, (2094), 1692 states have internal predecessors, (2094), 361 states have call successors, (361), 90 states have call predecessors, (361), 90 states have return successors, (360), 334 states have call predecessors, (360), 360 states have call successors, (360) [2022-10-16 14:10:13,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2093 states to 2093 states and 2815 transitions. [2022-10-16 14:10:13,110 INFO L78 Accepts]: Start accepts. Automaton has 2093 states and 2815 transitions. Word has length 115 [2022-10-16 14:10:13,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:10:13,111 INFO L495 AbstractCegarLoop]: Abstraction has 2093 states and 2815 transitions. [2022-10-16 14:10:13,111 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 14:10:13,112 INFO L276 IsEmpty]: Start isEmpty. Operand 2093 states and 2815 transitions. [2022-10-16 14:10:13,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-10-16 14:10:13,119 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:10:13,120 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 14:10:13,120 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 14:10:13,121 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [send_commandErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, send_commandErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, send_commandErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 277 more)] === [2022-10-16 14:10:13,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:10:13,122 INFO L85 PathProgramCache]: Analyzing trace with hash -1532653260, now seen corresponding path program 1 times [2022-10-16 14:10:13,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:10:13,122 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058988995] [2022-10-16 14:10:13,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:10:13,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:10:13,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:13,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:10:13,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:13,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:13,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:13,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:13,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:13,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 14:10:13,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:13,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:13,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:13,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:13,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:13,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 14:10:13,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:13,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:13,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:13,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:13,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:13,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 14:10:13,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:13,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:13,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:13,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:13,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:13,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-10-16 14:10:13,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:13,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:13,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:13,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-10-16 14:10:13,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:13,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:13,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:13,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-10-16 14:10:13,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:13,655 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 14:10:13,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:10:13,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058988995] [2022-10-16 14:10:13,656 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2058988995] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:10:13,656 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:10:13,656 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 14:10:13,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21346876] [2022-10-16 14:10:13,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:10:13,658 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 14:10:13,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:10:13,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 14:10:13,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 14:10:13,660 INFO L87 Difference]: Start difference. First operand 2093 states and 2815 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 14:10:22,919 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 14:10:27,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:10:27,705 INFO L93 Difference]: Finished difference Result 4365 states and 5935 transitions. [2022-10-16 14:10:27,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 14:10:27,706 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 14:10:27,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:10:27,726 INFO L225 Difference]: With dead ends: 4365 [2022-10-16 14:10:27,726 INFO L226 Difference]: Without dead ends: 2295 [2022-10-16 14:10:27,737 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 14:10:27,739 INFO L413 NwaCegarLoop]: 2611 mSDtfsCounter, 3871 mSDsluCounter, 3469 mSDsCounter, 0 mSdLazyCounter, 2436 mSolverCounterSat, 1258 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4071 SdHoareTripleChecker+Valid, 6080 SdHoareTripleChecker+Invalid, 3694 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1258 IncrementalHoareTripleChecker+Valid, 2436 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.5s IncrementalHoareTripleChecker+Time [2022-10-16 14:10:27,740 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4071 Valid, 6080 Invalid, 3694 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1258 Valid, 2436 Invalid, 0 Unknown, 0 Unchecked, 13.5s Time] [2022-10-16 14:10:27,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2295 states. [2022-10-16 14:10:27,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2295 to 2089. [2022-10-16 14:10:27,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2089 states, 1444 states have (on average 1.4473684210526316) internal successors, (2090), 1690 states have internal predecessors, (2090), 359 states have call successors, (359), 90 states have call predecessors, (359), 90 states have return successors, (358), 332 states have call predecessors, (358), 358 states have call successors, (358) [2022-10-16 14:10:27,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2089 states to 2089 states and 2807 transitions. [2022-10-16 14:10:27,911 INFO L78 Accepts]: Start accepts. Automaton has 2089 states and 2807 transitions. Word has length 113 [2022-10-16 14:10:27,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:10:27,914 INFO L495 AbstractCegarLoop]: Abstraction has 2089 states and 2807 transitions. [2022-10-16 14:10:27,918 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 14:10:27,919 INFO L276 IsEmpty]: Start isEmpty. Operand 2089 states and 2807 transitions. [2022-10-16 14:10:27,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-10-16 14:10:27,929 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:10:27,929 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 14:10:27,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 14:10:27,930 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 14:10:27,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:10:27,930 INFO L85 PathProgramCache]: Analyzing trace with hash -1214134002, now seen corresponding path program 1 times [2022-10-16 14:10:27,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:10:27,931 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401376498] [2022-10-16 14:10:27,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:10:27,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:10:28,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:28,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:10:28,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:28,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:28,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:28,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:28,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:28,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 14:10:28,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:28,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:28,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:28,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:28,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:28,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 14:10:28,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:28,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:28,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:28,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:28,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:28,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 14:10:28,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:28,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:28,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:28,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:28,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:28,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-10-16 14:10:28,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:28,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:28,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:28,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-10-16 14:10:28,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:28,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:28,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:28,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-10-16 14:10:28,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:28,546 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 14:10:28,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:10:28,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401376498] [2022-10-16 14:10:28,549 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401376498] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:10:28,549 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:10:28,549 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 14:10:28,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670285951] [2022-10-16 14:10:28,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:10:28,551 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 14:10:28,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:10:28,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 14:10:28,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 14:10:28,556 INFO L87 Difference]: Start difference. First operand 2089 states and 2807 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 14:10:35,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:10:35,130 INFO L93 Difference]: Finished difference Result 4357 states and 5919 transitions. [2022-10-16 14:10:35,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 14:10:35,130 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 14:10:35,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:10:35,149 INFO L225 Difference]: With dead ends: 4357 [2022-10-16 14:10:35,150 INFO L226 Difference]: Without dead ends: 2291 [2022-10-16 14:10:35,161 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 14:10:35,162 INFO L413 NwaCegarLoop]: 2621 mSDtfsCounter, 4608 mSDsluCounter, 1308 mSDsCounter, 0 mSdLazyCounter, 1027 mSolverCounterSat, 1738 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4808 SdHoareTripleChecker+Valid, 3929 SdHoareTripleChecker+Invalid, 2765 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1738 IncrementalHoareTripleChecker+Valid, 1027 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2022-10-16 14:10:35,163 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4808 Valid, 3929 Invalid, 2765 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1738 Valid, 1027 Invalid, 0 Unknown, 0 Unchecked, 6.2s Time] [2022-10-16 14:10:35,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2291 states. [2022-10-16 14:10:35,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2291 to 2085. [2022-10-16 14:10:35,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2085 states, 1442 states have (on average 1.4466019417475728) internal successors, (2086), 1688 states have internal predecessors, (2086), 357 states have call successors, (357), 90 states have call predecessors, (357), 90 states have return successors, (356), 330 states have call predecessors, (356), 356 states have call successors, (356) [2022-10-16 14:10:35,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2085 states to 2085 states and 2799 transitions. [2022-10-16 14:10:35,289 INFO L78 Accepts]: Start accepts. Automaton has 2085 states and 2799 transitions. Word has length 116 [2022-10-16 14:10:35,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:10:35,290 INFO L495 AbstractCegarLoop]: Abstraction has 2085 states and 2799 transitions. [2022-10-16 14:10:35,290 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 14:10:35,290 INFO L276 IsEmpty]: Start isEmpty. Operand 2085 states and 2799 transitions. [2022-10-16 14:10:35,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-10-16 14:10:35,293 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:10:35,293 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 14:10:35,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 14:10:35,296 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 14:10:35,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:10:35,297 INFO L85 PathProgramCache]: Analyzing trace with hash 734020983, now seen corresponding path program 1 times [2022-10-16 14:10:35,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:10:35,297 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142992547] [2022-10-16 14:10:35,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:10:35,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:10:35,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:35,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:10:35,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:35,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:35,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:35,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:35,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:35,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 14:10:35,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:35,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:35,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:35,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:35,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:35,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 14:10:35,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:35,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:35,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:35,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:35,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:35,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 14:10:35,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:35,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:35,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:35,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:35,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:35,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-10-16 14:10:35,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:35,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:35,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:35,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-10-16 14:10:35,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:35,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:35,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:35,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-10-16 14:10:35,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:35,746 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 14:10:35,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:10:35,747 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142992547] [2022-10-16 14:10:35,747 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2142992547] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:10:35,747 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:10:35,747 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 14:10:35,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360155466] [2022-10-16 14:10:35,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:10:35,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 14:10:35,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:10:35,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 14:10:35,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 14:10:35,749 INFO L87 Difference]: Start difference. First operand 2085 states and 2799 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 14:10:43,280 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 14:10:45,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:10:45,393 INFO L93 Difference]: Finished difference Result 4339 states and 5871 transitions. [2022-10-16 14:10:45,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 14:10:45,394 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 14:10:45,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:10:45,412 INFO L225 Difference]: With dead ends: 4339 [2022-10-16 14:10:45,412 INFO L226 Difference]: Without dead ends: 2255 [2022-10-16 14:10:45,422 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 14:10:45,426 INFO L413 NwaCegarLoop]: 2584 mSDtfsCounter, 4008 mSDsluCounter, 2327 mSDsCounter, 0 mSdLazyCounter, 1718 mSolverCounterSat, 1296 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4208 SdHoareTripleChecker+Valid, 4911 SdHoareTripleChecker+Invalid, 3014 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1296 IncrementalHoareTripleChecker+Valid, 1718 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2022-10-16 14:10:45,428 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4208 Valid, 4911 Invalid, 3014 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1296 Valid, 1718 Invalid, 0 Unknown, 0 Unchecked, 9.3s Time] [2022-10-16 14:10:45,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2255 states. [2022-10-16 14:10:45,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2255 to 2059. [2022-10-16 14:10:45,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2059 states, 1431 states have (on average 1.4479385045422781) internal successors, (2072), 1676 states have internal predecessors, (2072), 343 states have call successors, (343), 89 states have call predecessors, (343), 89 states have return successors, (343), 317 states have call predecessors, (343), 343 states have call successors, (343) [2022-10-16 14:10:45,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2059 states to 2059 states and 2758 transitions. [2022-10-16 14:10:45,565 INFO L78 Accepts]: Start accepts. Automaton has 2059 states and 2758 transitions. Word has length 114 [2022-10-16 14:10:45,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:10:45,567 INFO L495 AbstractCegarLoop]: Abstraction has 2059 states and 2758 transitions. [2022-10-16 14:10:45,567 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 14:10:45,568 INFO L276 IsEmpty]: Start isEmpty. Operand 2059 states and 2758 transitions. [2022-10-16 14:10:45,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-10-16 14:10:45,571 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:10:45,571 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] [2022-10-16 14:10:45,571 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 14:10:45,572 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [send_commandErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, send_commandErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, send_commandErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 277 more)] === [2022-10-16 14:10:45,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:10:45,572 INFO L85 PathProgramCache]: Analyzing trace with hash -1223721885, now seen corresponding path program 1 times [2022-10-16 14:10:45,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:10:45,573 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750549484] [2022-10-16 14:10:45,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:10:45,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:10:45,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:45,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:10:45,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:45,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:45,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:45,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:45,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:45,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 14:10:45,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:45,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:45,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:45,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:45,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:45,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 14:10:45,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:45,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:45,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:45,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:45,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:45,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 14:10:45,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:45,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:45,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:45,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:45,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:45,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-10-16 14:10:45,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:45,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:45,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:45,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-10-16 14:10:45,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:45,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:45,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:45,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-10-16 14:10:45,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:45,948 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 14:10:45,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:10:45,948 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750549484] [2022-10-16 14:10:45,948 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750549484] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:10:45,948 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:10:45,949 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 14:10:45,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982276656] [2022-10-16 14:10:45,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:10:45,950 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 14:10:45,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:10:45,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 14:10:45,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-10-16 14:10:45,951 INFO L87 Difference]: Start difference. First operand 2059 states and 2758 transitions. Second operand has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 3 states have internal predecessors, (45), 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 14:10:57,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:10:57,209 INFO L93 Difference]: Finished difference Result 6382 states and 8627 transitions. [2022-10-16 14:10:57,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 14:10:57,210 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 3 states have internal predecessors, (45), 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 112 [2022-10-16 14:10:57,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:10:57,239 INFO L225 Difference]: With dead ends: 6382 [2022-10-16 14:10:57,239 INFO L226 Difference]: Without dead ends: 4346 [2022-10-16 14:10:57,249 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 14:10:57,254 INFO L413 NwaCegarLoop]: 2936 mSDtfsCounter, 7396 mSDsluCounter, 4470 mSDsCounter, 0 mSdLazyCounter, 3127 mSolverCounterSat, 4024 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7638 SdHoareTripleChecker+Valid, 7406 SdHoareTripleChecker+Invalid, 7151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4024 IncrementalHoareTripleChecker+Valid, 3127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.6s IncrementalHoareTripleChecker+Time [2022-10-16 14:10:57,255 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7638 Valid, 7406 Invalid, 7151 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4024 Valid, 3127 Invalid, 0 Unknown, 0 Unchecked, 10.6s Time] [2022-10-16 14:10:57,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4346 states. [2022-10-16 14:10:57,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4346 to 3650. [2022-10-16 14:10:57,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3650 states, 2656 states have (on average 1.4514307228915662) internal successors, (3855), 2950 states have internal predecessors, (3855), 629 states have call successors, (629), 169 states have call predecessors, (629), 169 states have return successors, (629), 577 states have call predecessors, (629), 629 states have call successors, (629) [2022-10-16 14:10:57,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3650 states to 3650 states and 5113 transitions. [2022-10-16 14:10:57,529 INFO L78 Accepts]: Start accepts. Automaton has 3650 states and 5113 transitions. Word has length 112 [2022-10-16 14:10:57,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:10:57,531 INFO L495 AbstractCegarLoop]: Abstraction has 3650 states and 5113 transitions. [2022-10-16 14:10:57,531 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 3 states have internal predecessors, (45), 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 14:10:57,532 INFO L276 IsEmpty]: Start isEmpty. Operand 3650 states and 5113 transitions. [2022-10-16 14:10:57,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-10-16 14:10:57,538 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:10:57,538 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:10:57,539 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 14:10:57,541 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting vub300_deleteErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [send_commandErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, send_commandErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, send_commandErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 277 more)] === [2022-10-16 14:10:57,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:10:57,542 INFO L85 PathProgramCache]: Analyzing trace with hash 547496838, now seen corresponding path program 1 times [2022-10-16 14:10:57,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:10:57,542 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905076821] [2022-10-16 14:10:57,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:10:57,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:10:57,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:58,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:10:58,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:58,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:58,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:58,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:58,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:58,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 14:10:58,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:58,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:58,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:58,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:58,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:58,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 14:10:58,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:58,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:58,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:58,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:58,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:58,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 14:10:58,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:58,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:58,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:58,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:10:58,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:58,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-10-16 14:10:58,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:58,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:58,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:58,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-10-16 14:10:58,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:58,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:10:58,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:58,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-10-16 14:10:58,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:58,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-10-16 14:10:58,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:10:58,276 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2022-10-16 14:10:58,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:10:58,277 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905076821] [2022-10-16 14:10:58,277 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [905076821] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:10:58,277 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:10:58,278 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 14:10:58,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742634255] [2022-10-16 14:10:58,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:10:58,278 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 14:10:58,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:10:58,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 14:10:58,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-10-16 14:10:58,279 INFO L87 Difference]: Start difference. First operand 3650 states and 5113 transitions. Second operand has 7 states, 6 states have (on average 7.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (14), 6 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-10-16 14:11:16,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:11:16,601 INFO L93 Difference]: Finished difference Result 9914 states and 15130 transitions. [2022-10-16 14:11:16,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-16 14:11:16,602 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (14), 6 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 117 [2022-10-16 14:11:16,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:11:16,670 INFO L225 Difference]: With dead ends: 9914 [2022-10-16 14:11:16,670 INFO L226 Difference]: Without dead ends: 9908 [2022-10-16 14:11:16,675 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2022-10-16 14:11:16,676 INFO L413 NwaCegarLoop]: 2948 mSDtfsCounter, 8792 mSDsluCounter, 6043 mSDsCounter, 0 mSdLazyCounter, 5534 mSolverCounterSat, 4236 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9053 SdHoareTripleChecker+Valid, 8991 SdHoareTripleChecker+Invalid, 9770 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4236 IncrementalHoareTripleChecker+Valid, 5534 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.2s IncrementalHoareTripleChecker+Time [2022-10-16 14:11:16,677 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9053 Valid, 8991 Invalid, 9770 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4236 Valid, 5534 Invalid, 0 Unknown, 0 Unchecked, 17.2s Time] [2022-10-16 14:11:16,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9908 states. [2022-10-16 14:11:17,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9908 to 7283. [2022-10-16 14:11:17,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7283 states, 5423 states have (on average 1.4410842706988751) internal successors, (7815), 5836 states have internal predecessors, (7815), 1271 states have call successors, (1271), 337 states have call predecessors, (1271), 393 states have return successors, (1719), 1207 states have call predecessors, (1719), 1271 states have call successors, (1719) [2022-10-16 14:11:17,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7283 states to 7283 states and 10805 transitions. [2022-10-16 14:11:17,529 INFO L78 Accepts]: Start accepts. Automaton has 7283 states and 10805 transitions. Word has length 117 [2022-10-16 14:11:17,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:11:17,530 INFO L495 AbstractCegarLoop]: Abstraction has 7283 states and 10805 transitions. [2022-10-16 14:11:17,531 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (14), 6 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-10-16 14:11:17,531 INFO L276 IsEmpty]: Start isEmpty. Operand 7283 states and 10805 transitions. [2022-10-16 14:11:17,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-10-16 14:11:17,534 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:11:17,535 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 14:11:17,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 14:11:17,535 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 14:11:17,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:11:17,537 INFO L85 PathProgramCache]: Analyzing trace with hash 1594313423, now seen corresponding path program 1 times [2022-10-16 14:11:17,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:11:17,537 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391633232] [2022-10-16 14:11:17,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:11:17,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:11:17,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:17,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:11:17,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:17,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:11:17,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:17,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:11:17,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:17,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 14:11:17,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:17,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:11:17,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:17,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:11:17,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:17,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 14:11:17,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:17,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:11:17,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:17,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:11:17,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:17,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 14:11:17,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:17,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:11:17,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:17,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:11:17,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:17,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-10-16 14:11:17,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:17,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:11:17,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:17,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-10-16 14:11:17,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:17,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:11:17,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:17,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-10-16 14:11:17,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:18,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-10-16 14:11:18,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:18,015 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 14:11:18,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:11:18,016 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391633232] [2022-10-16 14:11:18,016 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391633232] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:11:18,016 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:11:18,017 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 14:11:18,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481470275] [2022-10-16 14:11:18,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:11:18,018 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 14:11:18,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:11:18,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 14:11:18,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 14:11:18,019 INFO L87 Difference]: Start difference. First operand 7283 states and 10805 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 14:11:24,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:11:24,654 INFO L93 Difference]: Finished difference Result 15058 states and 22418 transitions. [2022-10-16 14:11:24,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 14:11:24,655 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 14:11:24,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:11:24,713 INFO L225 Difference]: With dead ends: 15058 [2022-10-16 14:11:24,713 INFO L226 Difference]: Without dead ends: 7798 [2022-10-16 14:11:24,754 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 14:11:24,755 INFO L413 NwaCegarLoop]: 2539 mSDtfsCounter, 4550 mSDsluCounter, 1283 mSDsCounter, 0 mSdLazyCounter, 1002 mSolverCounterSat, 1695 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4747 SdHoareTripleChecker+Valid, 3822 SdHoareTripleChecker+Invalid, 2697 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1695 IncrementalHoareTripleChecker+Valid, 1002 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:11:24,755 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4747 Valid, 3822 Invalid, 2697 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1695 Valid, 1002 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2022-10-16 14:11:24,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7798 states. [2022-10-16 14:11:25,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7798 to 7275. [2022-10-16 14:11:25,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7275 states, 5419 states have (on average 1.440671710647721) internal successors, (7807), 5832 states have internal predecessors, (7807), 1267 states have call successors, (1267), 337 states have call predecessors, (1267), 393 states have return successors, (1711), 1203 states have call predecessors, (1711), 1267 states have call successors, (1711) [2022-10-16 14:11:25,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7275 states to 7275 states and 10785 transitions. [2022-10-16 14:11:25,512 INFO L78 Accepts]: Start accepts. Automaton has 7275 states and 10785 transitions. Word has length 123 [2022-10-16 14:11:25,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:11:25,513 INFO L495 AbstractCegarLoop]: Abstraction has 7275 states and 10785 transitions. [2022-10-16 14:11:25,513 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 14:11:25,514 INFO L276 IsEmpty]: Start isEmpty. Operand 7275 states and 10785 transitions. [2022-10-16 14:11:25,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-10-16 14:11:25,516 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:11:25,517 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 14:11:25,517 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 14:11:25,517 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 14:11:25,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:11:25,518 INFO L85 PathProgramCache]: Analyzing trace with hash -1466262639, now seen corresponding path program 1 times [2022-10-16 14:11:25,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:11:25,518 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794129478] [2022-10-16 14:11:25,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:11:25,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:11:25,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:25,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:11:25,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:25,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:11:25,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:25,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:11:25,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:25,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 14:11:25,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:25,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:11:25,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:25,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:11:25,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:25,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 14:11:25,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:25,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:11:25,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:25,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:11:25,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:25,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 14:11:25,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:25,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:11:25,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:25,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:11:25,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:25,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-10-16 14:11:25,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:25,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:11:25,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:25,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-10-16 14:11:25,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:25,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:11:25,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:25,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-10-16 14:11:25,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:25,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-10-16 14:11:25,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:25,906 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 14:11:25,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:11:25,907 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794129478] [2022-10-16 14:11:25,907 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1794129478] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:11:25,907 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:11:25,908 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 14:11:25,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497852942] [2022-10-16 14:11:25,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:11:25,909 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 14:11:25,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:11:25,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 14:11:25,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 14:11:25,910 INFO L87 Difference]: Start difference. First operand 7275 states and 10785 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 14:11:35,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:11:35,588 INFO L93 Difference]: Finished difference Result 15042 states and 22378 transitions. [2022-10-16 14:11:35,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 14:11:35,589 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 14:11:35,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:11:35,628 INFO L225 Difference]: With dead ends: 15042 [2022-10-16 14:11:35,629 INFO L226 Difference]: Without dead ends: 7790 [2022-10-16 14:11:35,729 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 14:11:35,730 INFO L413 NwaCegarLoop]: 2554 mSDtfsCounter, 3785 mSDsluCounter, 2362 mSDsCounter, 0 mSdLazyCounter, 1665 mSolverCounterSat, 1203 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3983 SdHoareTripleChecker+Valid, 4916 SdHoareTripleChecker+Invalid, 2868 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1203 IncrementalHoareTripleChecker+Valid, 1665 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2022-10-16 14:11:35,730 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3983 Valid, 4916 Invalid, 2868 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1203 Valid, 1665 Invalid, 0 Unknown, 0 Unchecked, 8.9s Time] [2022-10-16 14:11:35,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7790 states. [2022-10-16 14:11:36,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7790 to 7267. [2022-10-16 14:11:36,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7267 states, 5415 states have (on average 1.440258541089566) internal successors, (7799), 5828 states have internal predecessors, (7799), 1263 states have call successors, (1263), 337 states have call predecessors, (1263), 393 states have return successors, (1703), 1199 states have call predecessors, (1703), 1263 states have call successors, (1703) [2022-10-16 14:11:36,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7267 states to 7267 states and 10765 transitions. [2022-10-16 14:11:36,274 INFO L78 Accepts]: Start accepts. Automaton has 7267 states and 10765 transitions. Word has length 122 [2022-10-16 14:11:36,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:11:36,274 INFO L495 AbstractCegarLoop]: Abstraction has 7267 states and 10765 transitions. [2022-10-16 14:11:36,274 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 14:11:36,275 INFO L276 IsEmpty]: Start isEmpty. Operand 7267 states and 10765 transitions. [2022-10-16 14:11:36,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-10-16 14:11:36,277 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:11:36,277 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 14:11:36,278 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 14:11:36,278 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 14:11:36,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:11:36,278 INFO L85 PathProgramCache]: Analyzing trace with hash 980524518, now seen corresponding path program 1 times [2022-10-16 14:11:36,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:11:36,279 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811932016] [2022-10-16 14:11:36,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:11:36,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:11:36,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:36,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:11:36,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:36,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:11:36,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:36,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:11:36,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:36,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 14:11:36,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:36,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:11:36,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:36,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:11:36,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:36,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 14:11:36,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:36,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:11:36,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:36,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:11:36,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:36,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 14:11:36,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:36,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:11:36,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:36,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:11:36,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:36,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-10-16 14:11:36,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:36,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:11:36,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:36,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-10-16 14:11:36,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:36,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:11:36,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:36,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-10-16 14:11:36,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:36,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-10-16 14:11:36,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:36,682 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 14:11:36,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:11:36,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811932016] [2022-10-16 14:11:36,683 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811932016] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:11:36,683 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:11:36,683 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 14:11:36,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296557810] [2022-10-16 14:11:36,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:11:36,684 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 14:11:36,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:11:36,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 14:11:36,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 14:11:36,686 INFO L87 Difference]: Start difference. First operand 7267 states and 10765 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 14:11:44,131 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 14:11:46,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:11:46,937 INFO L93 Difference]: Finished difference Result 15026 states and 22338 transitions. [2022-10-16 14:11:46,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 14:11:46,938 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 14:11:46,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:11:46,976 INFO L225 Difference]: With dead ends: 15026 [2022-10-16 14:11:46,977 INFO L226 Difference]: Without dead ends: 7782 [2022-10-16 14:11:47,005 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 14:11:47,006 INFO L413 NwaCegarLoop]: 2581 mSDtfsCounter, 3931 mSDsluCounter, 2308 mSDsCounter, 0 mSdLazyCounter, 1695 mSolverCounterSat, 1249 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4128 SdHoareTripleChecker+Valid, 4889 SdHoareTripleChecker+Invalid, 2944 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1249 IncrementalHoareTripleChecker+Valid, 1695 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.4s IncrementalHoareTripleChecker+Time [2022-10-16 14:11:47,006 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4128 Valid, 4889 Invalid, 2944 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1249 Valid, 1695 Invalid, 0 Unknown, 0 Unchecked, 9.4s Time] [2022-10-16 14:11:47,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7782 states. [2022-10-16 14:11:47,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7782 to 7259. [2022-10-16 14:11:47,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7259 states, 5411 states have (on average 1.4398447606727038) internal successors, (7791), 5824 states have internal predecessors, (7791), 1259 states have call successors, (1259), 337 states have call predecessors, (1259), 393 states have return successors, (1695), 1195 states have call predecessors, (1695), 1259 states have call successors, (1695) [2022-10-16 14:11:47,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7259 states to 7259 states and 10745 transitions. [2022-10-16 14:11:47,710 INFO L78 Accepts]: Start accepts. Automaton has 7259 states and 10745 transitions. Word has length 121 [2022-10-16 14:11:47,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:11:47,710 INFO L495 AbstractCegarLoop]: Abstraction has 7259 states and 10745 transitions. [2022-10-16 14:11:47,711 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 14:11:47,711 INFO L276 IsEmpty]: Start isEmpty. Operand 7259 states and 10745 transitions. [2022-10-16 14:11:47,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-10-16 14:11:47,713 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:11:47,714 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 14:11:47,714 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 14:11:47,714 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 14:11:47,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:11:47,714 INFO L85 PathProgramCache]: Analyzing trace with hash -1798377400, now seen corresponding path program 1 times [2022-10-16 14:11:47,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:11:47,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255368772] [2022-10-16 14:11:47,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:11:47,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:11:47,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:47,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:11:47,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:47,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:11:47,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:47,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:11:47,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:47,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 14:11:47,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:47,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:11:47,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:47,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:11:47,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:47,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 14:11:47,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:47,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:11:47,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:47,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:11:47,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:48,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 14:11:48,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:48,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:11:48,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:48,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:11:48,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:48,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-10-16 14:11:48,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:48,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:11:48,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:48,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-10-16 14:11:48,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:48,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:11:48,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:48,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-10-16 14:11:48,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:48,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-10-16 14:11:48,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:48,078 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 14:11:48,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:11:48,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255368772] [2022-10-16 14:11:48,079 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [255368772] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:11:48,079 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:11:48,079 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 14:11:48,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134635777] [2022-10-16 14:11:48,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:11:48,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 14:11:48,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:11:48,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 14:11:48,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 14:11:48,081 INFO L87 Difference]: Start difference. First operand 7259 states and 10745 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 14:11:50,050 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 14:11:58,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:11:58,875 INFO L93 Difference]: Finished difference Result 15010 states and 22298 transitions. [2022-10-16 14:11:58,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 14:11:58,876 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 14:11:58,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:11:58,910 INFO L225 Difference]: With dead ends: 15010 [2022-10-16 14:11:58,910 INFO L226 Difference]: Without dead ends: 7774 [2022-10-16 14:11:58,934 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 14:11:58,934 INFO L413 NwaCegarLoop]: 2570 mSDtfsCounter, 3756 mSDsluCounter, 2354 mSDsCounter, 0 mSdLazyCounter, 1667 mSolverCounterSat, 1210 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3952 SdHoareTripleChecker+Valid, 4924 SdHoareTripleChecker+Invalid, 2877 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1210 IncrementalHoareTripleChecker+Valid, 1667 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:11:58,935 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3952 Valid, 4924 Invalid, 2877 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1210 Valid, 1667 Invalid, 0 Unknown, 0 Unchecked, 10.0s Time] [2022-10-16 14:11:58,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7774 states. [2022-10-16 14:11:59,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7774 to 7251. [2022-10-16 14:11:59,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7251 states, 5407 states have (on average 1.4394303680414278) internal successors, (7783), 5820 states have internal predecessors, (7783), 1255 states have call successors, (1255), 337 states have call predecessors, (1255), 393 states have return successors, (1687), 1191 states have call predecessors, (1687), 1255 states have call successors, (1687) [2022-10-16 14:11:59,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7251 states to 7251 states and 10725 transitions. [2022-10-16 14:11:59,557 INFO L78 Accepts]: Start accepts. Automaton has 7251 states and 10725 transitions. Word has length 120 [2022-10-16 14:11:59,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:11:59,557 INFO L495 AbstractCegarLoop]: Abstraction has 7251 states and 10725 transitions. [2022-10-16 14:11:59,558 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 14:11:59,558 INFO L276 IsEmpty]: Start isEmpty. Operand 7251 states and 10725 transitions. [2022-10-16 14:11:59,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-10-16 14:11:59,561 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:11:59,561 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 14:11:59,561 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 14:11:59,561 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting vub300_cmndwork_threadErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [send_commandErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, send_commandErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, send_commandErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 277 more)] === [2022-10-16 14:11:59,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:11:59,562 INFO L85 PathProgramCache]: Analyzing trace with hash 760203580, now seen corresponding path program 1 times [2022-10-16 14:11:59,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:11:59,562 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865481064] [2022-10-16 14:11:59,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:11:59,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:11:59,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:59,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:11:59,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:59,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:11:59,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:59,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:11:59,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:59,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 14:11:59,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:59,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:11:59,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:59,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:11:59,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:59,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 14:11:59,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:59,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:11:59,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:59,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:11:59,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:59,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 14:11:59,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:59,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:11:59,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:59,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:11:59,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:59,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-10-16 14:11:59,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:59,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:11:59,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:59,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-10-16 14:11:59,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:59,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:11:59,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:59,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-10-16 14:11:59,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:59,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-10-16 14:11:59,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:59,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-10-16 14:11:59,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:11:59,954 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 14:11:59,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:11:59,955 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865481064] [2022-10-16 14:11:59,955 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1865481064] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:11:59,955 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:11:59,955 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 14:11:59,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220559721] [2022-10-16 14:11:59,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:11:59,956 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 14:11:59,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:11:59,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 14:11:59,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-10-16 14:11:59,958 INFO L87 Difference]: Start difference. First operand 7251 states and 10725 transitions. Second operand has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 3 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 14:12:08,890 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 14:12:11,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:12:11,035 INFO L93 Difference]: Finished difference Result 15006 states and 22530 transitions. [2022-10-16 14:12:11,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 14:12:11,036 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 3 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 14:12:11,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:12:11,071 INFO L225 Difference]: With dead ends: 15006 [2022-10-16 14:12:11,072 INFO L226 Difference]: Without dead ends: 7778 [2022-10-16 14:12:11,101 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 14:12:11,102 INFO L413 NwaCegarLoop]: 2589 mSDtfsCounter, 939 mSDsluCounter, 4390 mSDsCounter, 0 mSdLazyCounter, 2661 mSolverCounterSat, 453 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1014 SdHoareTripleChecker+Valid, 6979 SdHoareTripleChecker+Invalid, 3114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 453 IncrementalHoareTripleChecker+Valid, 2661 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.2s IncrementalHoareTripleChecker+Time [2022-10-16 14:12:11,102 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1014 Valid, 6979 Invalid, 3114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [453 Valid, 2661 Invalid, 0 Unknown, 0 Unchecked, 10.2s Time] [2022-10-16 14:12:11,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7778 states. [2022-10-16 14:12:11,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7778 to 7255. [2022-10-16 14:12:11,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7255 states, 5411 states have (on average 1.439105525780817) internal successors, (7787), 5824 states have internal predecessors, (7787), 1255 states have call successors, (1255), 337 states have call predecessors, (1255), 393 states have return successors, (1687), 1191 states have call predecessors, (1687), 1255 states have call successors, (1687) [2022-10-16 14:12:11,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7255 states to 7255 states and 10729 transitions. [2022-10-16 14:12:11,889 INFO L78 Accepts]: Start accepts. Automaton has 7255 states and 10729 transitions. Word has length 126 [2022-10-16 14:12:11,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:12:11,890 INFO L495 AbstractCegarLoop]: Abstraction has 7255 states and 10729 transitions. [2022-10-16 14:12:11,890 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 3 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 14:12:11,890 INFO L276 IsEmpty]: Start isEmpty. Operand 7255 states and 10729 transitions. [2022-10-16 14:12:11,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-10-16 14:12:11,894 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:12:11,894 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, 1] [2022-10-16 14:12:11,894 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 14:12:11,895 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 14:12:11,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:12:11,895 INFO L85 PathProgramCache]: Analyzing trace with hash -9488573, now seen corresponding path program 1 times [2022-10-16 14:12:11,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:12:11,895 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087276085] [2022-10-16 14:12:11,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:12:11,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:12:11,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:12,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:12:12,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:12,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:12:12,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:12,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:12:12,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:12,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 14:12:12,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:12,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:12:12,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:12,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:12:12,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:12,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 14:12:12,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:12,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:12:12,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:12,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:12:12,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:12,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 14:12:12,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:12,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:12:12,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:12,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:12:12,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:12,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-10-16 14:12:12,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:12,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:12:12,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:12,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-10-16 14:12:12,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:12,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:12:12,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:12,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-10-16 14:12:12,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:12,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-10-16 14:12:12,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:12,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-10-16 14:12:12,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:12,389 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 14:12:12,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:12:12,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087276085] [2022-10-16 14:12:12,390 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087276085] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:12:12,390 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:12:12,390 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 14:12:12,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913088595] [2022-10-16 14:12:12,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:12:12,391 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 14:12:12,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:12:12,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 14:12:12,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-10-16 14:12:12,392 INFO L87 Difference]: Start difference. First operand 7255 states and 10729 transitions. Second operand has 8 states, 8 states have (on average 7.0) internal successors, (56), 4 states have internal predecessors, (56), 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 14:12:19,727 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 14:12:21,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:12:21,493 INFO L93 Difference]: Finished difference Result 15022 states and 22546 transitions. [2022-10-16 14:12:21,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 14:12:21,494 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 4 states have internal predecessors, (56), 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 128 [2022-10-16 14:12:21,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:12:21,531 INFO L225 Difference]: With dead ends: 15022 [2022-10-16 14:12:21,532 INFO L226 Difference]: Without dead ends: 7790 [2022-10-16 14:12:21,561 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 14:12:21,562 INFO L413 NwaCegarLoop]: 2576 mSDtfsCounter, 2659 mSDsluCounter, 5264 mSDsCounter, 0 mSdLazyCounter, 2702 mSolverCounterSat, 1743 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2734 SdHoareTripleChecker+Valid, 7840 SdHoareTripleChecker+Invalid, 4445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1743 IncrementalHoareTripleChecker+Valid, 2702 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2022-10-16 14:12:21,563 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2734 Valid, 7840 Invalid, 4445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1743 Valid, 2702 Invalid, 0 Unknown, 0 Unchecked, 8.3s Time] [2022-10-16 14:12:21,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7790 states. [2022-10-16 14:12:22,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7790 to 7263. [2022-10-16 14:12:22,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7263 states, 5419 states have (on average 1.4384572799409485) internal successors, (7795), 5832 states have internal predecessors, (7795), 1255 states have call successors, (1255), 337 states have call predecessors, (1255), 393 states have return successors, (1687), 1191 states have call predecessors, (1687), 1255 states have call successors, (1687) [2022-10-16 14:12:22,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7263 states to 7263 states and 10737 transitions. [2022-10-16 14:12:22,444 INFO L78 Accepts]: Start accepts. Automaton has 7263 states and 10737 transitions. Word has length 128 [2022-10-16 14:12:22,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:12:22,445 INFO L495 AbstractCegarLoop]: Abstraction has 7263 states and 10737 transitions. [2022-10-16 14:12:22,445 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 4 states have internal predecessors, (56), 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 14:12:22,445 INFO L276 IsEmpty]: Start isEmpty. Operand 7263 states and 10737 transitions. [2022-10-16 14:12:22,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-10-16 14:12:22,448 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:12:22,448 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 14:12:22,448 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 14:12:22,449 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 14:12:22,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:12:22,449 INFO L85 PathProgramCache]: Analyzing trace with hash -1423962326, now seen corresponding path program 1 times [2022-10-16 14:12:22,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:12:22,450 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627918194] [2022-10-16 14:12:22,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:12:22,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:12:22,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:22,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:12:22,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:22,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:12:22,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:22,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:12:22,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:22,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 14:12:22,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:22,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:12:22,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:22,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:12:22,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:22,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 14:12:22,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:22,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:12:22,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:22,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:12:22,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:22,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 14:12:22,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:22,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:12:22,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:22,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:12:22,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:22,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-10-16 14:12:22,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:22,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:12:22,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:22,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-10-16 14:12:22,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:22,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:12:22,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:22,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-10-16 14:12:22,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:22,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-10-16 14:12:22,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:22,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-10-16 14:12:22,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:22,896 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 14:12:22,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:12:22,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627918194] [2022-10-16 14:12:22,896 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [627918194] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:12:22,896 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:12:22,897 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 14:12:22,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775658583] [2022-10-16 14:12:22,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:12:22,897 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 14:12:22,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:12:22,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 14:12:22,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-10-16 14:12:22,898 INFO L87 Difference]: Start difference. First operand 7263 states and 10737 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) [2022-10-16 14:12:28,879 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 14:12:30,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:12:30,193 INFO L93 Difference]: Finished difference Result 15018 states and 22282 transitions. [2022-10-16 14:12:30,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 14:12:30,194 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), 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) Word has length 127 [2022-10-16 14:12:30,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:12:30,234 INFO L225 Difference]: With dead ends: 15018 [2022-10-16 14:12:30,234 INFO L226 Difference]: Without dead ends: 7778 [2022-10-16 14:12:30,259 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-10-16 14:12:30,260 INFO L413 NwaCegarLoop]: 2562 mSDtfsCounter, 4515 mSDsluCounter, 1274 mSDsCounter, 0 mSdLazyCounter, 1002 mSolverCounterSat, 1686 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4709 SdHoareTripleChecker+Valid, 3836 SdHoareTripleChecker+Invalid, 2688 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1686 IncrementalHoareTripleChecker+Valid, 1002 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2022-10-16 14:12:30,261 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4709 Valid, 3836 Invalid, 2688 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1686 Valid, 1002 Invalid, 0 Unknown, 0 Unchecked, 6.5s Time] [2022-10-16 14:12:30,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7778 states. [2022-10-16 14:12:31,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7778 to 7255. [2022-10-16 14:12:31,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7255 states, 5415 states have (on average 1.4380424746075715) internal successors, (7787), 5828 states have internal predecessors, (7787), 1251 states have call successors, (1251), 337 states have call predecessors, (1251), 393 states have return successors, (1679), 1187 states have call predecessors, (1679), 1251 states have call successors, (1679) [2022-10-16 14:12:31,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7255 states to 7255 states and 10717 transitions. [2022-10-16 14:12:31,147 INFO L78 Accepts]: Start accepts. Automaton has 7255 states and 10717 transitions. Word has length 127 [2022-10-16 14:12:31,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:12:31,147 INFO L495 AbstractCegarLoop]: Abstraction has 7255 states and 10717 transitions. [2022-10-16 14:12:31,148 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), 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) [2022-10-16 14:12:31,148 INFO L276 IsEmpty]: Start isEmpty. Operand 7255 states and 10717 transitions. [2022-10-16 14:12:31,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-10-16 14:12:31,150 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:12:31,151 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, 1] [2022-10-16 14:12:31,151 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 14:12:31,151 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 14:12:31,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:12:31,152 INFO L85 PathProgramCache]: Analyzing trace with hash -818835199, now seen corresponding path program 1 times [2022-10-16 14:12:31,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:12:31,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961746985] [2022-10-16 14:12:31,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:12:31,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:12:31,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:31,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:12:31,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:31,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:12:31,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:31,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:12:31,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:31,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 14:12:31,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:31,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:12:31,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:31,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:12:31,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:31,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 14:12:31,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:31,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:12:31,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:31,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:12:31,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:31,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 14:12:31,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:31,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:12:31,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:31,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:12:31,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:31,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-10-16 14:12:31,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:31,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:12:31,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:31,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-10-16 14:12:31,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:31,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:12:31,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:31,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-10-16 14:12:31,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:31,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-10-16 14:12:31,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:31,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-10-16 14:12:31,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:31,572 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 14:12:31,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:12:31,573 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961746985] [2022-10-16 14:12:31,573 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1961746985] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:12:31,573 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:12:31,573 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 14:12:31,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261352894] [2022-10-16 14:12:31,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:12:31,574 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 14:12:31,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:12:31,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 14:12:31,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-10-16 14:12:31,576 INFO L87 Difference]: Start difference. First operand 7255 states and 10717 transitions. Second operand has 7 states, 7 states have (on average 8.0) internal successors, (56), 3 states have internal predecessors, (56), 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) [2022-10-16 14:12:38,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:12:38,111 INFO L93 Difference]: Finished difference Result 15002 states and 22242 transitions. [2022-10-16 14:12:38,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 14:12:38,112 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 3 states have internal predecessors, (56), 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) Word has length 128 [2022-10-16 14:12:38,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:12:38,141 INFO L225 Difference]: With dead ends: 15002 [2022-10-16 14:12:38,142 INFO L226 Difference]: Without dead ends: 7770 [2022-10-16 14:12:38,161 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-10-16 14:12:38,162 INFO L413 NwaCegarLoop]: 2536 mSDtfsCounter, 3953 mSDsluCounter, 1415 mSDsCounter, 0 mSdLazyCounter, 1079 mSolverCounterSat, 1250 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4147 SdHoareTripleChecker+Valid, 3951 SdHoareTripleChecker+Invalid, 2329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1250 IncrementalHoareTripleChecker+Valid, 1079 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2022-10-16 14:12:38,162 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4147 Valid, 3951 Invalid, 2329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1250 Valid, 1079 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2022-10-16 14:12:38,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7770 states. [2022-10-16 14:12:38,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7770 to 7247. [2022-10-16 14:12:38,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7247 states, 5411 states have (on average 1.437627055997043) internal successors, (7779), 5824 states have internal predecessors, (7779), 1247 states have call successors, (1247), 337 states have call predecessors, (1247), 393 states have return successors, (1671), 1183 states have call predecessors, (1671), 1247 states have call successors, (1671) [2022-10-16 14:12:39,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7247 states to 7247 states and 10697 transitions. [2022-10-16 14:12:39,016 INFO L78 Accepts]: Start accepts. Automaton has 7247 states and 10697 transitions. Word has length 128 [2022-10-16 14:12:39,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:12:39,016 INFO L495 AbstractCegarLoop]: Abstraction has 7247 states and 10697 transitions. [2022-10-16 14:12:39,016 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 3 states have internal predecessors, (56), 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) [2022-10-16 14:12:39,017 INFO L276 IsEmpty]: Start isEmpty. Operand 7247 states and 10697 transitions. [2022-10-16 14:12:39,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-10-16 14:12:39,019 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:12:39,019 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, 1, 1] [2022-10-16 14:12:39,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 14:12:39,020 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting vub300_cmndwork_threadErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [send_commandErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, send_commandErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, send_commandErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 277 more)] === [2022-10-16 14:12:39,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:12:39,020 INFO L85 PathProgramCache]: Analyzing trace with hash -1484871533, now seen corresponding path program 1 times [2022-10-16 14:12:39,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:12:39,021 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185064132] [2022-10-16 14:12:39,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:12:39,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:12:39,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:39,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:12:39,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:39,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:12:39,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:39,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:12:39,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:39,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 14:12:39,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:39,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:12:39,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:39,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:12:39,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:39,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 14:12:39,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:39,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:12:39,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:39,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:12:39,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:39,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 14:12:39,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:39,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:12:39,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:39,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:12:39,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:39,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-10-16 14:12:39,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:39,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:12:39,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:39,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-10-16 14:12:39,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:39,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:12:39,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:39,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-10-16 14:12:39,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:39,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-10-16 14:12:39,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:39,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-10-16 14:12:39,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:39,429 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 14:12:39,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:12:39,430 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185064132] [2022-10-16 14:12:39,430 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185064132] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:12:39,430 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:12:39,430 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 14:12:39,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287944405] [2022-10-16 14:12:39,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:12:39,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 14:12:39,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:12:39,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 14:12:39,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-10-16 14:12:39,432 INFO L87 Difference]: Start difference. First operand 7247 states and 10697 transitions. Second operand has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 3 states have internal predecessors, (57), 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) [2022-10-16 14:12:48,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:12:48,731 INFO L93 Difference]: Finished difference Result 14986 states and 22202 transitions. [2022-10-16 14:12:48,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 14:12:48,732 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 3 states have internal predecessors, (57), 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) Word has length 129 [2022-10-16 14:12:48,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:12:48,766 INFO L225 Difference]: With dead ends: 14986 [2022-10-16 14:12:48,766 INFO L226 Difference]: Without dead ends: 7762 [2022-10-16 14:12:48,787 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-10-16 14:12:48,788 INFO L413 NwaCegarLoop]: 2528 mSDtfsCounter, 4535 mSDsluCounter, 2260 mSDsCounter, 0 mSdLazyCounter, 1694 mSolverCounterSat, 1697 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4729 SdHoareTripleChecker+Valid, 4788 SdHoareTripleChecker+Invalid, 3391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1697 IncrementalHoareTripleChecker+Valid, 1694 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2022-10-16 14:12:48,789 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4729 Valid, 4788 Invalid, 3391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1697 Valid, 1694 Invalid, 0 Unknown, 0 Unchecked, 8.4s Time] [2022-10-16 14:12:48,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7762 states. [2022-10-16 14:12:49,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7762 to 7239. [2022-10-16 14:12:49,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7239 states, 5407 states have (on average 1.4372110227482893) internal successors, (7771), 5820 states have internal predecessors, (7771), 1243 states have call successors, (1243), 337 states have call predecessors, (1243), 393 states have return successors, (1663), 1179 states have call predecessors, (1663), 1243 states have call successors, (1663) [2022-10-16 14:12:49,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7239 states to 7239 states and 10677 transitions. [2022-10-16 14:12:49,763 INFO L78 Accepts]: Start accepts. Automaton has 7239 states and 10677 transitions. Word has length 129 [2022-10-16 14:12:49,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:12:49,764 INFO L495 AbstractCegarLoop]: Abstraction has 7239 states and 10677 transitions. [2022-10-16 14:12:49,764 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 3 states have internal predecessors, (57), 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) [2022-10-16 14:12:49,764 INFO L276 IsEmpty]: Start isEmpty. Operand 7239 states and 10677 transitions. [2022-10-16 14:12:49,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-10-16 14:12:49,767 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:12:49,767 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 14:12:49,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 14:12:49,768 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting vub300_cmndwork_threadErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [send_commandErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, send_commandErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, send_commandErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 277 more)] === [2022-10-16 14:12:49,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:12:49,768 INFO L85 PathProgramCache]: Analyzing trace with hash 8115256, now seen corresponding path program 1 times [2022-10-16 14:12:49,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:12:49,768 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249236530] [2022-10-16 14:12:49,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:12:49,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:12:49,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:49,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:12:50,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:50,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:12:50,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:50,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:12:50,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:50,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 14:12:50,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:50,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:12:50,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:50,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:12:50,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:50,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 14:12:50,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:50,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:12:50,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:50,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:12:50,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:50,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 14:12:50,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:50,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:12:50,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:50,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:12:50,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:50,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-10-16 14:12:50,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:50,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:12:50,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:50,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-10-16 14:12:50,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:50,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:12:50,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:50,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-10-16 14:12:50,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:50,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-10-16 14:12:50,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:50,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-10-16 14:12:50,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:50,166 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 14:12:50,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:12:50,167 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249236530] [2022-10-16 14:12:50,167 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [249236530] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:12:50,167 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:12:50,167 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 14:12:50,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668775061] [2022-10-16 14:12:50,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:12:50,168 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 14:12:50,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:12:50,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 14:12:50,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-10-16 14:12:50,169 INFO L87 Difference]: Start difference. First operand 7239 states and 10677 transitions. Second operand has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 3 states have internal predecessors, (54), 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) [2022-10-16 14:12:52,808 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 14:12:54,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:12:54,330 INFO L93 Difference]: Finished difference Result 9931 states and 14451 transitions. [2022-10-16 14:12:54,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 14:12:54,331 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 3 states have internal predecessors, (54), 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) Word has length 126 [2022-10-16 14:12:54,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:12:54,342 INFO L225 Difference]: With dead ends: 9931 [2022-10-16 14:12:54,342 INFO L226 Difference]: Without dead ends: 2715 [2022-10-16 14:12:54,359 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-10-16 14:12:54,360 INFO L413 NwaCegarLoop]: 1065 mSDtfsCounter, 1194 mSDsluCounter, 996 mSDsCounter, 0 mSdLazyCounter, 679 mSolverCounterSat, 280 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1290 SdHoareTripleChecker+Valid, 2061 SdHoareTripleChecker+Invalid, 959 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 280 IncrementalHoareTripleChecker+Valid, 679 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-10-16 14:12:54,360 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1290 Valid, 2061 Invalid, 959 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [280 Valid, 679 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2022-10-16 14:12:54,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2715 states. [2022-10-16 14:12:54,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2715 to 2657. [2022-10-16 14:12:54,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2657 states, 1974 states have (on average 1.3500506585612968) internal successors, (2665), 2087 states have internal predecessors, (2665), 459 states have call successors, (459), 164 states have call predecessors, (459), 186 states have return successors, (589), 439 states have call predecessors, (589), 459 states have call successors, (589) [2022-10-16 14:12:54,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2657 states to 2657 states and 3713 transitions. [2022-10-16 14:12:54,659 INFO L78 Accepts]: Start accepts. Automaton has 2657 states and 3713 transitions. Word has length 126 [2022-10-16 14:12:54,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:12:54,660 INFO L495 AbstractCegarLoop]: Abstraction has 2657 states and 3713 transitions. [2022-10-16 14:12:54,660 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 3 states have internal predecessors, (54), 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) [2022-10-16 14:12:54,660 INFO L276 IsEmpty]: Start isEmpty. Operand 2657 states and 3713 transitions. [2022-10-16 14:12:54,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-10-16 14:12:54,663 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:12:54,663 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:12:54,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 14:12:54,663 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting vub300_enable_sdio_irqErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [send_commandErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, send_commandErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, send_commandErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 277 more)] === [2022-10-16 14:12:54,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:12:54,664 INFO L85 PathProgramCache]: Analyzing trace with hash 162275403, now seen corresponding path program 1 times [2022-10-16 14:12:54,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:12:54,664 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415959533] [2022-10-16 14:12:54,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:12:54,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:12:54,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:54,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:12:54,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:54,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:12:54,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:54,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:12:54,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:54,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 14:12:54,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:54,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:12:54,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:54,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:12:54,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:54,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 14:12:54,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:54,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:12:54,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:54,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:12:54,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:54,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 14:12:54,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:54,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:12:54,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:54,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:12:54,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:54,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-10-16 14:12:54,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:54,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:12:54,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:54,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-10-16 14:12:54,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:54,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:12:54,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:54,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-10-16 14:12:54,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:54,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-10-16 14:12:54,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:54,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:12:54,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:54,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 14:12:54,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:54,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-10-16 14:12:54,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:54,981 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 14:12:54,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:12:54,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415959533] [2022-10-16 14:12:54,982 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [415959533] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:12:54,982 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:12:54,982 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 14:12:54,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439757639] [2022-10-16 14:12:54,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:12:54,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 14:12:54,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:12:54,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 14:12:54,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 14:12:54,985 INFO L87 Difference]: Start difference. First operand 2657 states and 3713 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-10-16 14:12:58,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:12:58,143 INFO L93 Difference]: Finished difference Result 6907 states and 9592 transitions. [2022-10-16 14:12:58,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 14:12:58,144 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 134 [2022-10-16 14:12:58,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:12:58,154 INFO L225 Difference]: With dead ends: 6907 [2022-10-16 14:12:58,154 INFO L226 Difference]: Without dead ends: 4277 [2022-10-16 14:12:58,161 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 44 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 14:12:58,162 INFO L413 NwaCegarLoop]: 1150 mSDtfsCounter, 1687 mSDsluCounter, 1264 mSDsCounter, 0 mSdLazyCounter, 815 mSolverCounterSat, 952 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1749 SdHoareTripleChecker+Valid, 2414 SdHoareTripleChecker+Invalid, 1767 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 952 IncrementalHoareTripleChecker+Valid, 815 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-10-16 14:12:58,162 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1749 Valid, 2414 Invalid, 1767 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [952 Valid, 815 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-10-16 14:12:58,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4277 states. [2022-10-16 14:12:58,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4277 to 4173. [2022-10-16 14:12:58,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4173 states, 3125 states have (on average 1.34272) internal successors, (4196), 3262 states have internal predecessors, (4196), 703 states have call successors, (703), 275 states have call predecessors, (703), 307 states have return successors, (891), 687 states have call predecessors, (891), 703 states have call successors, (891) [2022-10-16 14:12:58,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4173 states to 4173 states and 5790 transitions. [2022-10-16 14:12:58,635 INFO L78 Accepts]: Start accepts. Automaton has 4173 states and 5790 transitions. Word has length 134 [2022-10-16 14:12:58,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:12:58,636 INFO L495 AbstractCegarLoop]: Abstraction has 4173 states and 5790 transitions. [2022-10-16 14:12:58,636 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-10-16 14:12:58,636 INFO L276 IsEmpty]: Start isEmpty. Operand 4173 states and 5790 transitions. [2022-10-16 14:12:58,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2022-10-16 14:12:58,641 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:12:58,642 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:12:58,642 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 14:12:58,642 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [send_commandErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, send_commandErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, send_commandErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 277 more)] === [2022-10-16 14:12:58,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:12:58,643 INFO L85 PathProgramCache]: Analyzing trace with hash 1443173492, now seen corresponding path program 1 times [2022-10-16 14:12:58,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:12:58,643 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734298307] [2022-10-16 14:12:58,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:12:58,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:12:58,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:58,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:12:58,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:58,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:12:58,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:58,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:12:58,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:58,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 14:12:58,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:58,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:12:58,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:58,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:12:58,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:58,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 14:12:58,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:58,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:12:58,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:58,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:12:58,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:58,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 14:12:58,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:58,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:12:58,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:58,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:12:58,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:58,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-10-16 14:12:58,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:58,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:12:58,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:58,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-10-16 14:12:58,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:58,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:12:58,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:58,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-10-16 14:12:58,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:58,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:12:58,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:58,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:12:58,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:59,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-10-16 14:12:59,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:59,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:12:59,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:12:59,045 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2022-10-16 14:12:59,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:12:59,045 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734298307] [2022-10-16 14:12:59,046 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1734298307] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:12:59,046 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:12:59,046 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 14:12:59,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680182890] [2022-10-16 14:12:59,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:12:59,047 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 14:12:59,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:12:59,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 14:12:59,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-10-16 14:12:59,048 INFO L87 Difference]: Start difference. First operand 4173 states and 5790 transitions. Second operand has 8 states, 8 states have (on average 8.75) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-10-16 14:13:04,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:13:04,142 INFO L93 Difference]: Finished difference Result 10591 states and 15170 transitions. [2022-10-16 14:13:04,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 14:13:04,143 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 154 [2022-10-16 14:13:04,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:13:04,160 INFO L225 Difference]: With dead ends: 10591 [2022-10-16 14:13:04,160 INFO L226 Difference]: Without dead ends: 6459 [2022-10-16 14:13:04,169 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2022-10-16 14:13:04,170 INFO L413 NwaCegarLoop]: 1272 mSDtfsCounter, 2525 mSDsluCounter, 2142 mSDsCounter, 0 mSdLazyCounter, 1358 mSolverCounterSat, 1050 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2622 SdHoareTripleChecker+Valid, 3414 SdHoareTripleChecker+Invalid, 2408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1050 IncrementalHoareTripleChecker+Valid, 1358 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-10-16 14:13:04,171 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2622 Valid, 3414 Invalid, 2408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1050 Valid, 1358 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2022-10-16 14:13:04,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6459 states. [2022-10-16 14:13:04,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6459 to 4177. [2022-10-16 14:13:04,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4177 states, 3129 states have (on average 1.342281879194631) internal successors, (4200), 3266 states have internal predecessors, (4200), 703 states have call successors, (703), 275 states have call predecessors, (703), 307 states have return successors, (891), 687 states have call predecessors, (891), 703 states have call successors, (891) [2022-10-16 14:13:04,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4177 states to 4177 states and 5794 transitions. [2022-10-16 14:13:04,706 INFO L78 Accepts]: Start accepts. Automaton has 4177 states and 5794 transitions. Word has length 154 [2022-10-16 14:13:04,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:13:04,707 INFO L495 AbstractCegarLoop]: Abstraction has 4177 states and 5794 transitions. [2022-10-16 14:13:04,707 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-10-16 14:13:04,707 INFO L276 IsEmpty]: Start isEmpty. Operand 4177 states and 5794 transitions. [2022-10-16 14:13:04,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2022-10-16 14:13:04,712 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:13:04,712 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:13:04,712 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 14:13:04,713 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting vub300_deleteErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [send_commandErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, send_commandErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, send_commandErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 277 more)] === [2022-10-16 14:13:04,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:13:04,713 INFO L85 PathProgramCache]: Analyzing trace with hash -428130101, now seen corresponding path program 1 times [2022-10-16 14:13:04,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:13:04,713 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270788719] [2022-10-16 14:13:04,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:13:04,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:13:04,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:05,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:13:05,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:05,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:13:05,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:05,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:13:05,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:05,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 14:13:05,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:05,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:13:05,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:05,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:13:05,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:05,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 14:13:05,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:05,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:13:05,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:05,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:13:05,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:05,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 14:13:05,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:05,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:13:05,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:05,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:13:05,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:05,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-10-16 14:13:05,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:05,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:13:05,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:05,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-10-16 14:13:05,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:05,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:13:05,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:05,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-10-16 14:13:05,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:06,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 14:13:06,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:06,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:13:06,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:06,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:13:06,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:06,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-10-16 14:13:06,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:06,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-10-16 14:13:06,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:06,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-10-16 14:13:06,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:06,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-10-16 14:13:06,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:06,402 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2022-10-16 14:13:06,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:13:06,403 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270788719] [2022-10-16 14:13:06,403 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1270788719] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:13:06,403 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1238095568] [2022-10-16 14:13:06,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:13:06,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:13:06,404 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:13:06,411 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:13:06,416 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-16 14:13:07,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:07,138 INFO L263 TraceCheckSpWp]: Trace formula consists of 2116 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-16 14:13:07,156 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:13:07,308 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2022-10-16 14:13:07,308 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 14:13:07,309 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1238095568] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:13:07,309 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 14:13:07,309 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [12] total 14 [2022-10-16 14:13:07,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041736540] [2022-10-16 14:13:07,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:13:07,310 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:13:07,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:13:07,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:13:07,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2022-10-16 14:13:07,312 INFO L87 Difference]: Start difference. First operand 4177 states and 5794 transitions. Second operand has 4 states, 3 states have (on average 26.333333333333332) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-10-16 14:13:09,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:13:09,342 INFO L93 Difference]: Finished difference Result 6254 states and 8718 transitions. [2022-10-16 14:13:09,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 14:13:09,345 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 26.333333333333332) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 169 [2022-10-16 14:13:09,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:13:09,359 INFO L225 Difference]: With dead ends: 6254 [2022-10-16 14:13:09,359 INFO L226 Difference]: Without dead ends: 6253 [2022-10-16 14:13:09,362 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2022-10-16 14:13:09,362 INFO L413 NwaCegarLoop]: 1419 mSDtfsCounter, 2849 mSDsluCounter, 794 mSDsCounter, 0 mSdLazyCounter, 296 mSolverCounterSat, 290 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2849 SdHoareTripleChecker+Valid, 2213 SdHoareTripleChecker+Invalid, 586 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 290 IncrementalHoareTripleChecker+Valid, 296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:13:09,363 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2849 Valid, 2213 Invalid, 586 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [290 Valid, 296 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-10-16 14:13:09,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6253 states. [2022-10-16 14:13:09,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6253 to 6139. [2022-10-16 14:13:10,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6139 states, 4618 states have (on average 1.3447379818103076) internal successors, (6210), 4794 states have internal predecessors, (6210), 1042 states have call successors, (1042), 410 states have call predecessors, (1042), 442 states have return successors, (1338), 1012 states have call predecessors, (1338), 1042 states have call successors, (1338) [2022-10-16 14:13:10,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6139 states to 6139 states and 8590 transitions. [2022-10-16 14:13:10,020 INFO L78 Accepts]: Start accepts. Automaton has 6139 states and 8590 transitions. Word has length 169 [2022-10-16 14:13:10,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:13:10,021 INFO L495 AbstractCegarLoop]: Abstraction has 6139 states and 8590 transitions. [2022-10-16 14:13:10,021 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 26.333333333333332) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-10-16 14:13:10,021 INFO L276 IsEmpty]: Start isEmpty. Operand 6139 states and 8590 transitions. [2022-10-16 14:13:10,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2022-10-16 14:13:10,026 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:13:10,027 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:13:10,071 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-10-16 14:13:10,241 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:13:10,242 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting vub300_deleteErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [send_commandErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, send_commandErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, send_commandErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 277 more)] === [2022-10-16 14:13:10,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:13:10,243 INFO L85 PathProgramCache]: Analyzing trace with hash -387130686, now seen corresponding path program 1 times [2022-10-16 14:13:10,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:13:10,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567496424] [2022-10-16 14:13:10,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:13:10,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:13:10,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:11,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:13:11,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:11,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:13:11,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:11,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:13:11,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:11,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 14:13:11,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:11,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:13:11,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:11,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:13:11,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:11,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 14:13:11,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:11,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:13:11,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:11,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:13:11,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:11,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 14:13:11,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:11,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:13:11,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:11,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:13:11,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:11,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-10-16 14:13:11,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:11,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:13:11,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:11,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-10-16 14:13:11,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:11,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:13:11,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:11,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-10-16 14:13:11,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:11,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 14:13:11,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:11,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:13:11,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:11,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:13:11,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:11,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-10-16 14:13:11,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:11,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-10-16 14:13:11,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:11,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-10-16 14:13:11,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:11,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-10-16 14:13:11,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:11,768 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2022-10-16 14:13:11,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:13:11,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567496424] [2022-10-16 14:13:11,768 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [567496424] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:13:11,769 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [581275622] [2022-10-16 14:13:11,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:13:11,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:13:11,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:13:11,770 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:13:11,791 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-16 14:13:12,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:13:12,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 2117 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-16 14:13:12,453 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:13:12,829 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2022-10-16 14:13:12,829 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:13:13,596 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2022-10-16 14:13:13,596 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [581275622] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:13:13,597 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:13:13,597 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 18 [2022-10-16 14:13:13,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78134850] [2022-10-16 14:13:13,597 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:13:13,599 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-10-16 14:13:13,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:13:13,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-10-16 14:13:13,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=252, Unknown=0, NotChecked=0, Total=342 [2022-10-16 14:13:13,601 INFO L87 Difference]: Start difference. First operand 6139 states and 8590 transitions. Second operand has 19 states, 18 states have (on average 10.722222222222221) internal successors, (193), 13 states have internal predecessors, (193), 11 states have call successors, (55), 12 states have call predecessors, (55), 6 states have return successors, (47), 12 states have call predecessors, (47), 11 states have call successors, (47)