/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-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--input--touchscreen--usbtouchscreen.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 12:58:53,344 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 12:58:53,347 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 12:58:53,404 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 12:58:53,405 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 12:58:53,410 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 12:58:53,415 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 12:58:53,423 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 12:58:53,426 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 12:58:53,433 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 12:58:53,435 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 12:58:53,438 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 12:58:53,439 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 12:58:53,442 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 12:58:53,444 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 12:58:53,460 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 12:58:53,463 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 12:58:53,465 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 12:58:53,469 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 12:58:53,480 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 12:58:53,482 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 12:58:53,485 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 12:58:53,487 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 12:58:53,490 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 12:58:53,500 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 12:58:53,500 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 12:58:53,501 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 12:58:53,503 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 12:58:53,504 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 12:58:53,505 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 12:58:53,505 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 12:58:53,506 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 12:58:53,508 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 12:58:53,509 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 12:58:53,510 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 12:58:53,511 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 12:58:53,511 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 12:58:53,512 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 12:58:53,512 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 12:58:53,513 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 12:58:53,514 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 12:58:53,515 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 12:58:53,572 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 12:58:53,573 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 12:58:53,573 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 12:58:53,574 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 12:58:53,576 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 12:58:53,576 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 12:58:53,579 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 12:58:53,579 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 12:58:53,579 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 12:58:53,579 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 12:58:53,581 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 12:58:53,581 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 12:58:53,581 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 12:58:53,581 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 12:58:53,581 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 12:58:53,581 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 12:58:53,582 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 12:58:53,582 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 12:58:53,582 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 12:58:53,582 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 12:58:53,582 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 12:58:53,583 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 12:58:53,583 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 12:58:53,583 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 12:58:53,583 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 12:58:53,583 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 12:58:53,584 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 12:58:53,584 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 12:58:53,584 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 12:58:53,584 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 12:58:53,584 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 12:58:53,585 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 12:58:53,585 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 12:58:53,585 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 12:58:53,960 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 12:58:53,986 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 12:58:53,989 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 12:58:53,990 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 12:58:53,991 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 12:58:53,993 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--input--touchscreen--usbtouchscreen.ko-entry_point.cil.out.i [2022-10-16 12:58:54,076 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6233645c8/b838879e45d84916ae6c9f046ebeec24/FLAG8f99a13c2 [2022-10-16 12:58:54,995 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 12:58:54,996 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--input--touchscreen--usbtouchscreen.ko-entry_point.cil.out.i [2022-10-16 12:58:55,038 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6233645c8/b838879e45d84916ae6c9f046ebeec24/FLAG8f99a13c2 [2022-10-16 12:58:55,546 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6233645c8/b838879e45d84916ae6c9f046ebeec24 [2022-10-16 12:58:55,549 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 12:58:55,555 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 12:58:55,557 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 12:58:55,558 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 12:58:55,562 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 12:58:55,564 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:58:55" (1/1) ... [2022-10-16 12:58:55,566 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fa7d872 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:58:55, skipping insertion in model container [2022-10-16 12:58:55,566 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:58:55" (1/1) ... [2022-10-16 12:58:55,575 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 12:58:55,714 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 12:58:56,695 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-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--input--touchscreen--usbtouchscreen.ko-entry_point.cil.out.i[108030,108043] [2022-10-16 12:58:57,401 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 12:58:57,480 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 12:58:57,596 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-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--input--touchscreen--usbtouchscreen.ko-entry_point.cil.out.i[108030,108043] [2022-10-16 12:58:57,930 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 12:58:58,103 INFO L208 MainTranslator]: Completed translation [2022-10-16 12:58:58,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:58:58 WrapperNode [2022-10-16 12:58:58,104 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 12:58:58,105 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 12:58:58,105 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 12:58:58,106 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 12:58:58,115 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:58:58" (1/1) ... [2022-10-16 12:58:58,207 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:58:58" (1/1) ... [2022-10-16 12:58:58,489 INFO L138 Inliner]: procedures = 178, calls = 1868, calls flagged for inlining = 81, calls inlined = 81, statements flattened = 3682 [2022-10-16 12:58:58,490 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 12:58:58,492 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 12:58:58,492 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 12:58:58,492 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 12:58:58,503 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:58:58" (1/1) ... [2022-10-16 12:58:58,504 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:58:58" (1/1) ... [2022-10-16 12:58:58,537 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:58:58" (1/1) ... [2022-10-16 12:58:58,538 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:58:58" (1/1) ... [2022-10-16 12:58:58,666 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:58:58" (1/1) ... [2022-10-16 12:58:58,683 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:58:58" (1/1) ... [2022-10-16 12:58:58,719 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:58:58" (1/1) ... [2022-10-16 12:58:58,735 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:58:58" (1/1) ... [2022-10-16 12:58:58,781 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 12:58:58,782 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 12:58:58,782 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 12:58:58,782 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 12:58:58,784 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:58:58" (1/1) ... [2022-10-16 12:58:58,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 12:58:58,806 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:58:58,826 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 12:58:58,850 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 12:58:58,902 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2022-10-16 12:58:58,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2022-10-16 12:58:58,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-16 12:58:58,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_bulk_urb_3 [2022-10-16 12:58:58,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_bulk_urb_3 [2022-10-16 12:58:58,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_8 [2022-10-16 12:58:58,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_8 [2022-10-16 12:58:58,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_5 [2022-10-16 12:58:58,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_5 [2022-10-16 12:58:58,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_6 [2022-10-16 12:58:58,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_6 [2022-10-16 12:58:58,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-16 12:58:58,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-16 12:58:58,904 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2022-10-16 12:58:58,905 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2022-10-16 12:58:58,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-16 12:58:58,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-16 12:58:58,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-16 12:58:58,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_20 [2022-10-16 12:58:58,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_20 [2022-10-16 12:58:58,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2022-10-16 12:58:58,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2022-10-16 12:58:58,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-10-16 12:58:58,906 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-10-16 12:58:58,906 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-10-16 12:58:58,906 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-10-16 12:58:58,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-16 12:58:58,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-16 12:58:58,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2022-10-16 12:58:58,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2022-10-16 12:58:58,907 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-10-16 12:58:58,907 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-10-16 12:58:58,907 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2022-10-16 12:58:58,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2022-10-16 12:58:58,908 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-16 12:58:58,908 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-16 12:58:58,909 INFO L130 BoogieDeclarations]: Found specification of procedure usbtouch_resume [2022-10-16 12:58:58,909 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtouch_resume [2022-10-16 12:58:58,909 INFO L130 BoogieDeclarations]: Found specification of procedure kstrdup [2022-10-16 12:58:58,909 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrdup [2022-10-16 12:58:58,909 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2022-10-16 12:58:58,909 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2022-10-16 12:58:58,910 INFO L130 BoogieDeclarations]: Found specification of procedure usbtouch_reset_resume [2022-10-16 12:58:58,910 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtouch_reset_resume [2022-10-16 12:58:58,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-16 12:58:58,910 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-10-16 12:58:58,910 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-10-16 12:58:58,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-16 12:58:58,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-16 12:58:58,911 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2022-10-16 12:58:58,911 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2022-10-16 12:58:58,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-16 12:58:58,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-16 12:58:58,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-16 12:58:58,911 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-16 12:58:58,912 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-16 12:58:58,912 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-16 12:58:58,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-16 12:58:58,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2022-10-16 12:58:58,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2022-10-16 12:58:58,912 INFO L130 BoogieDeclarations]: Found specification of procedure usbtouch_free_buffers [2022-10-16 12:58:58,913 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtouch_free_buffers [2022-10-16 12:58:58,913 INFO L130 BoogieDeclarations]: Found specification of procedure usbtouch_disconnect [2022-10-16 12:58:58,913 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtouch_disconnect [2022-10-16 12:58:58,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_22 [2022-10-16 12:58:58,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_22 [2022-10-16 12:58:58,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 12:58:58,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-10-16 12:58:58,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-10-16 12:58:58,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-16 12:58:58,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-16 12:58:58,914 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2022-10-16 12:58:58,914 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2022-10-16 12:58:58,914 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2022-10-16 12:58:58,915 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2022-10-16 12:58:58,915 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-10-16 12:58:58,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-10-16 12:58:58,915 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-10-16 12:58:58,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-10-16 12:58:58,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-16 12:58:58,915 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-10-16 12:58:58,916 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-10-16 12:58:58,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_14 [2022-10-16 12:58:58,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_14 [2022-10-16 12:58:58,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_16 [2022-10-16 12:58:58,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_16 [2022-10-16 12:58:58,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_interface [2022-10-16 12:58:58,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_interface [2022-10-16 12:58:58,917 INFO L130 BoogieDeclarations]: Found specification of procedure usbtouch_probe [2022-10-16 12:58:58,917 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtouch_probe [2022-10-16 12:58:58,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-16 12:58:58,917 INFO L130 BoogieDeclarations]: Found specification of procedure input_get_drvdata [2022-10-16 12:58:58,917 INFO L138 BoogieDeclarations]: Found implementation of procedure input_get_drvdata [2022-10-16 12:58:58,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-16 12:58:58,917 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2022-10-16 12:58:58,918 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2022-10-16 12:58:58,918 INFO L130 BoogieDeclarations]: Found specification of procedure usbtouch_open [2022-10-16 12:58:58,918 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtouch_open [2022-10-16 12:58:58,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_12 [2022-10-16 12:58:58,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_12 [2022-10-16 12:58:58,918 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-10-16 12:58:58,919 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-10-16 12:58:58,919 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-10-16 12:58:58,919 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-10-16 12:58:58,919 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-10-16 12:58:58,919 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-10-16 12:58:58,919 INFO L130 BoogieDeclarations]: Found specification of procedure usbtouch_irq [2022-10-16 12:58:58,919 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtouch_irq [2022-10-16 12:58:58,920 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-10-16 12:58:58,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-10-16 12:58:58,920 INFO L130 BoogieDeclarations]: Found specification of procedure usbtouch_process_pkt [2022-10-16 12:58:58,920 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtouch_process_pkt [2022-10-16 12:58:58,920 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-10-16 12:58:58,920 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-10-16 12:58:58,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_interface [2022-10-16 12:58:58,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_interface [2022-10-16 12:58:58,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2022-10-16 12:58:58,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2022-10-16 12:58:58,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 12:58:58,921 INFO L130 BoogieDeclarations]: Found specification of procedure nexio_read_data [2022-10-16 12:58:58,921 INFO L138 BoogieDeclarations]: Found implementation of procedure nexio_read_data [2022-10-16 12:58:58,921 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2022-10-16 12:58:58,922 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2022-10-16 12:58:58,922 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-16 12:58:58,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-10-16 12:58:58,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-10-16 12:58:58,922 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 12:58:58,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 12:58:58,922 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_abs [2022-10-16 12:58:58,923 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_abs [2022-10-16 12:58:58,923 INFO L130 BoogieDeclarations]: Found specification of procedure usbtouch_process_multi [2022-10-16 12:58:58,923 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtouch_process_multi [2022-10-16 12:58:59,530 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 12:58:59,535 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 12:58:59,914 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-16 12:59:02,603 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2022-10-16 12:59:04,152 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 12:59:04,171 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 12:59:04,172 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 12:59:04,177 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:59:04 BoogieIcfgContainer [2022-10-16 12:59:04,177 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 12:59:04,180 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 12:59:04,180 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 12:59:04,185 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 12:59:04,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 12:58:55" (1/3) ... [2022-10-16 12:59:04,186 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ea7ec77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:59:04, skipping insertion in model container [2022-10-16 12:59:04,186 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:58:58" (2/3) ... [2022-10-16 12:59:04,187 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ea7ec77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:59:04, skipping insertion in model container [2022-10-16 12:59:04,187 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:59:04" (3/3) ... [2022-10-16 12:59:04,189 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--input--touchscreen--usbtouchscreen.ko-entry_point.cil.out.i [2022-10-16 12:59:04,213 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 12:59:04,213 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 170 error locations. [2022-10-16 12:59:04,355 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 12:59:04,364 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;@6e497fbb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 12:59:04,364 INFO L358 AbstractCegarLoop]: Starting to check reachability of 170 error locations. [2022-10-16 12:59:04,375 INFO L276 IsEmpty]: Start isEmpty. Operand has 1301 states, 867 states have (on average 1.4867358708189158) internal successors, (1289), 1055 states have internal predecessors, (1289), 207 states have call successors, (207), 58 states have call predecessors, (207), 56 states have return successors, (201), 199 states have call predecessors, (201), 201 states have call successors, (201) [2022-10-16 12:59:04,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-16 12:59:04,391 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:59:04,392 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:59:04,393 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~$Pointer$~X~int~TO~intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~X~int~TO~intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 168 more)] === [2022-10-16 12:59:04,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:59:04,402 INFO L85 PathProgramCache]: Analyzing trace with hash -1136447627, now seen corresponding path program 1 times [2022-10-16 12:59:04,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:59:04,415 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683216861] [2022-10-16 12:59:04,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:59:04,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:59:04,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:59:05,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 12:59:05,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:59:05,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 12:59:05,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:59:05,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-16 12:59:05,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:59:05,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:59:05,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:59:05,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:59:05,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:59:05,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683216861] [2022-10-16 12:59:05,343 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [683216861] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:59:05,344 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:59:05,344 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 12:59:05,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781409411] [2022-10-16 12:59:05,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:59:05,352 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 12:59:05,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:59:05,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 12:59:05,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 12:59:05,396 INFO L87 Difference]: Start difference. First operand has 1301 states, 867 states have (on average 1.4867358708189158) internal successors, (1289), 1055 states have internal predecessors, (1289), 207 states have call successors, (207), 58 states have call predecessors, (207), 56 states have return successors, (201), 199 states have call predecessors, (201), 201 states have call successors, (201) Second operand has 6 states, 6 states have (on average 4.5) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-10-16 12:59:13,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:59:13,893 INFO L93 Difference]: Finished difference Result 3270 states and 4483 transitions. [2022-10-16 12:59:13,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 12:59:13,897 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 35 [2022-10-16 12:59:13,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:59:13,939 INFO L225 Difference]: With dead ends: 3270 [2022-10-16 12:59:13,940 INFO L226 Difference]: Without dead ends: 1923 [2022-10-16 12:59:13,955 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 8 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 12:59:13,960 INFO L413 NwaCegarLoop]: 1454 mSDtfsCounter, 1158 mSDsluCounter, 3331 mSDsCounter, 0 mSdLazyCounter, 2495 mSolverCounterSat, 421 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1247 SdHoareTripleChecker+Valid, 4785 SdHoareTripleChecker+Invalid, 2916 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 421 IncrementalHoareTripleChecker+Valid, 2495 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2022-10-16 12:59:13,961 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1247 Valid, 4785 Invalid, 2916 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [421 Valid, 2495 Invalid, 0 Unknown, 0 Unchecked, 7.8s Time] [2022-10-16 12:59:13,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1923 states. [2022-10-16 12:59:14,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1923 to 1253. [2022-10-16 12:59:14,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1253 states, 875 states have (on average 1.417142857142857) internal successors, (1240), 1004 states have internal predecessors, (1240), 196 states have call successors, (196), 58 states have call predecessors, (196), 58 states have return successors, (196), 194 states have call predecessors, (196), 196 states have call successors, (196) [2022-10-16 12:59:14,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1253 states to 1253 states and 1632 transitions. [2022-10-16 12:59:14,258 INFO L78 Accepts]: Start accepts. Automaton has 1253 states and 1632 transitions. Word has length 35 [2022-10-16 12:59:14,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:59:14,259 INFO L495 AbstractCegarLoop]: Abstraction has 1253 states and 1632 transitions. [2022-10-16 12:59:14,259 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-10-16 12:59:14,260 INFO L276 IsEmpty]: Start isEmpty. Operand 1253 states and 1632 transitions. [2022-10-16 12:59:14,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-16 12:59:14,271 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:59:14,272 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:59:14,272 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 12:59:14,272 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~$Pointer$~X~int~TO~intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~X~int~TO~intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 168 more)] === [2022-10-16 12:59:14,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:59:14,274 INFO L85 PathProgramCache]: Analyzing trace with hash -742532637, now seen corresponding path program 1 times [2022-10-16 12:59:14,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:59:14,274 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377840781] [2022-10-16 12:59:14,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:59:14,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:59:14,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:59:14,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 12:59:14,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:59:14,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 12:59:14,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:59:14,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-16 12:59:14,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:59:14,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-10-16 12:59:14,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:59:14,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:59:14,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:59:14,851 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-16 12:59:14,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:59:14,851 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377840781] [2022-10-16 12:59:14,852 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [377840781] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:59:14,852 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:59:14,852 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 12:59:14,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145472991] [2022-10-16 12:59:14,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:59:14,857 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 12:59:14,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:59:14,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 12:59:14,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 12:59:14,860 INFO L87 Difference]: Start difference. First operand 1253 states and 1632 transitions. Second operand has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2022-10-16 12:59:29,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:59:29,668 INFO L93 Difference]: Finished difference Result 4988 states and 6619 transitions. [2022-10-16 12:59:29,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 12:59:29,670 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 54 [2022-10-16 12:59:29,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:59:29,701 INFO L225 Difference]: With dead ends: 4988 [2022-10-16 12:59:29,702 INFO L226 Difference]: Without dead ends: 3757 [2022-10-16 12:59:29,715 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-10-16 12:59:29,721 INFO L413 NwaCegarLoop]: 2510 mSDtfsCounter, 2839 mSDsluCounter, 4876 mSDsCounter, 0 mSdLazyCounter, 4045 mSolverCounterSat, 1057 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3053 SdHoareTripleChecker+Valid, 7386 SdHoareTripleChecker+Invalid, 5102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1057 IncrementalHoareTripleChecker+Valid, 4045 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.0s IncrementalHoareTripleChecker+Time [2022-10-16 12:59:29,722 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3053 Valid, 7386 Invalid, 5102 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1057 Valid, 4045 Invalid, 0 Unknown, 0 Unchecked, 14.0s Time] [2022-10-16 12:59:29,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3757 states. [2022-10-16 12:59:29,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3757 to 2307. [2022-10-16 12:59:29,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2307 states, 1691 states have (on average 1.4157303370786516) internal successors, (2394), 1826 states have internal predecessors, (2394), 380 states have call successors, (380), 112 states have call predecessors, (380), 112 states have return successors, (380), 376 states have call predecessors, (380), 380 states have call successors, (380) [2022-10-16 12:59:29,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2307 states to 2307 states and 3154 transitions. [2022-10-16 12:59:29,987 INFO L78 Accepts]: Start accepts. Automaton has 2307 states and 3154 transitions. Word has length 54 [2022-10-16 12:59:29,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:59:29,988 INFO L495 AbstractCegarLoop]: Abstraction has 2307 states and 3154 transitions. [2022-10-16 12:59:29,988 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2022-10-16 12:59:29,988 INFO L276 IsEmpty]: Start isEmpty. Operand 2307 states and 3154 transitions. [2022-10-16 12:59:29,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-10-16 12:59:29,990 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:59:29,991 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:59:29,991 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 12:59:29,991 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting usbtouch_probeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~$Pointer$~X~int~TO~intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~X~int~TO~intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 168 more)] === [2022-10-16 12:59:29,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:59:29,992 INFO L85 PathProgramCache]: Analyzing trace with hash -898724050, now seen corresponding path program 1 times [2022-10-16 12:59:29,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:59:29,992 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887994383] [2022-10-16 12:59:29,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:59:29,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:59:30,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:59:30,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 12:59:30,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:59:30,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 12:59:30,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:59:30,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-16 12:59:30,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:59:30,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-10-16 12:59:30,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:59:30,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:59:30,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:59:30,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-10-16 12:59:30,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:59:30,638 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-16 12:59:30,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:59:30,639 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887994383] [2022-10-16 12:59:30,639 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [887994383] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:59:30,639 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:59:30,639 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 12:59:30,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544795780] [2022-10-16 12:59:30,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:59:30,641 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 12:59:30,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:59:30,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 12:59:30,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 12:59:30,642 INFO L87 Difference]: Start difference. First operand 2307 states and 3154 transitions. Second operand has 6 states, 5 states have (on average 9.8) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-10-16 12:59:36,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:59:36,939 INFO L93 Difference]: Finished difference Result 3902 states and 5597 transitions. [2022-10-16 12:59:36,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 12:59:36,940 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.8) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 66 [2022-10-16 12:59:36,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:59:36,968 INFO L225 Difference]: With dead ends: 3902 [2022-10-16 12:59:36,968 INFO L226 Difference]: Without dead ends: 3900 [2022-10-16 12:59:36,971 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-10-16 12:59:36,973 INFO L413 NwaCegarLoop]: 1586 mSDtfsCounter, 1882 mSDsluCounter, 3538 mSDsCounter, 0 mSdLazyCounter, 2445 mSolverCounterSat, 801 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2010 SdHoareTripleChecker+Valid, 5124 SdHoareTripleChecker+Invalid, 3246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 801 IncrementalHoareTripleChecker+Valid, 2445 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-10-16 12:59:36,973 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2010 Valid, 5124 Invalid, 3246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [801 Valid, 2445 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2022-10-16 12:59:36,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3900 states. [2022-10-16 12:59:37,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3900 to 2323. [2022-10-16 12:59:37,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2323 states, 1705 states have (on average 1.4146627565982404) internal successors, (2412), 1840 states have internal predecessors, (2412), 382 states have call successors, (382), 112 states have call predecessors, (382), 112 states have return successors, (382), 378 states have call predecessors, (382), 382 states have call successors, (382) [2022-10-16 12:59:37,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2323 states to 2323 states and 3176 transitions. [2022-10-16 12:59:37,231 INFO L78 Accepts]: Start accepts. Automaton has 2323 states and 3176 transitions. Word has length 66 [2022-10-16 12:59:37,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:59:37,233 INFO L495 AbstractCegarLoop]: Abstraction has 2323 states and 3176 transitions. [2022-10-16 12:59:37,234 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.8) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-10-16 12:59:37,234 INFO L276 IsEmpty]: Start isEmpty. Operand 2323 states and 3176 transitions. [2022-10-16 12:59:37,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-10-16 12:59:37,235 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:59:37,236 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:59:37,236 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 12:59:37,236 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~$Pointer$~X~int~TO~intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~X~int~TO~intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 168 more)] === [2022-10-16 12:59:37,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:59:37,237 INFO L85 PathProgramCache]: Analyzing trace with hash 2123327853, now seen corresponding path program 1 times [2022-10-16 12:59:37,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:59:37,237 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126327937] [2022-10-16 12:59:37,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:59:37,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:59:37,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:59:37,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 12:59:37,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:59:37,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 12:59:37,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:59:37,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-16 12:59:37,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:59:37,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-10-16 12:59:37,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:59:37,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:59:37,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:59:37,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:59:37,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:59:37,887 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-16 12:59:37,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:59:37,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126327937] [2022-10-16 12:59:37,888 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126327937] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:59:37,888 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:59:37,891 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 12:59:37,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550242510] [2022-10-16 12:59:37,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:59:37,892 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 12:59:37,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:59:37,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 12:59:37,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-10-16 12:59:37,893 INFO L87 Difference]: Start difference. First operand 2323 states and 3176 transitions. Second operand has 7 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-10-16 12:59:48,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:59:48,438 INFO L93 Difference]: Finished difference Result 6090 states and 8521 transitions. [2022-10-16 12:59:48,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-16 12:59:48,439 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 65 [2022-10-16 12:59:48,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:59:48,479 INFO L225 Difference]: With dead ends: 6090 [2022-10-16 12:59:48,479 INFO L226 Difference]: Without dead ends: 6088 [2022-10-16 12:59:48,484 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2022-10-16 12:59:48,485 INFO L413 NwaCegarLoop]: 2739 mSDtfsCounter, 4416 mSDsluCounter, 4422 mSDsCounter, 0 mSdLazyCounter, 3390 mSolverCounterSat, 2087 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4675 SdHoareTripleChecker+Valid, 7161 SdHoareTripleChecker+Invalid, 5477 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2087 IncrementalHoareTripleChecker+Valid, 3390 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2022-10-16 12:59:48,486 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4675 Valid, 7161 Invalid, 5477 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2087 Valid, 3390 Invalid, 0 Unknown, 0 Unchecked, 9.7s Time] [2022-10-16 12:59:48,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6088 states. [2022-10-16 12:59:48,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6088 to 3418. [2022-10-16 12:59:48,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3418 states, 2557 states have (on average 1.4129839655846694) internal successors, (3613), 2698 states have internal predecessors, (3613), 570 states have call successors, (570), 167 states have call predecessors, (570), 167 states have return successors, (570), 564 states have call predecessors, (570), 570 states have call successors, (570) [2022-10-16 12:59:48,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3418 states to 3418 states and 4753 transitions. [2022-10-16 12:59:48,876 INFO L78 Accepts]: Start accepts. Automaton has 3418 states and 4753 transitions. Word has length 65 [2022-10-16 12:59:48,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:59:48,877 INFO L495 AbstractCegarLoop]: Abstraction has 3418 states and 4753 transitions. [2022-10-16 12:59:48,877 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-10-16 12:59:48,878 INFO L276 IsEmpty]: Start isEmpty. Operand 3418 states and 4753 transitions. [2022-10-16 12:59:48,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-16 12:59:48,881 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:59:48,881 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:59:48,882 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 12:59:48,882 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting usbtouch_probeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~$Pointer$~X~int~TO~intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~X~int~TO~intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 168 more)] === [2022-10-16 12:59:48,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:59:48,882 INFO L85 PathProgramCache]: Analyzing trace with hash -556435156, now seen corresponding path program 1 times [2022-10-16 12:59:48,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:59:48,889 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519414952] [2022-10-16 12:59:48,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:59:48,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:59:49,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:59:49,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 12:59:49,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:59:49,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 12:59:49,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:59:49,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-16 12:59:49,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:59:49,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-10-16 12:59:49,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:59:49,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:59:49,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:59:49,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-10-16 12:59:49,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:59:49,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-10-16 12:59:49,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:59:49,480 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-16 12:59:49,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:59:49,481 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519414952] [2022-10-16 12:59:49,482 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1519414952] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 12:59:49,482 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [223612016] [2022-10-16 12:59:49,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:59:49,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:59:49,483 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:59:49,488 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 12:59:49,509 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-16 12:59:50,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:59:50,311 INFO L263 TraceCheckSpWp]: Trace formula consists of 2914 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 12:59:50,322 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 12:59:50,401 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-16 12:59:50,401 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 12:59:50,481 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-16 12:59:50,482 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [223612016] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 12:59:50,482 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 12:59:50,483 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 3, 3] total 9 [2022-10-16 12:59:50,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459114270] [2022-10-16 12:59:50,483 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 12:59:50,486 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-16 12:59:50,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:59:50,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-16 12:59:50,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-10-16 12:59:50,492 INFO L87 Difference]: Start difference. First operand 3418 states and 4753 transitions. Second operand has 10 states, 9 states have (on average 9.11111111111111) internal successors, (82), 7 states have internal predecessors, (82), 6 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (10), 6 states have call predecessors, (10), 6 states have call successors, (10) [2022-10-16 12:59:57,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:59:57,600 INFO L93 Difference]: Finished difference Result 6504 states and 9631 transitions. [2022-10-16 12:59:57,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-16 12:59:57,601 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 9.11111111111111) internal successors, (82), 7 states have internal predecessors, (82), 6 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (10), 6 states have call predecessors, (10), 6 states have call successors, (10) Word has length 77 [2022-10-16 12:59:57,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:59:57,649 INFO L225 Difference]: With dead ends: 6504 [2022-10-16 12:59:57,649 INFO L226 Difference]: Without dead ends: 6503 [2022-10-16 12:59:57,656 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2022-10-16 12:59:57,658 INFO L413 NwaCegarLoop]: 1654 mSDtfsCounter, 2984 mSDsluCounter, 5301 mSDsCounter, 0 mSdLazyCounter, 3489 mSolverCounterSat, 1414 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3207 SdHoareTripleChecker+Valid, 6955 SdHoareTripleChecker+Invalid, 4903 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1414 IncrementalHoareTripleChecker+Valid, 3489 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2022-10-16 12:59:57,659 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3207 Valid, 6955 Invalid, 4903 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1414 Valid, 3489 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2022-10-16 12:59:57,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6503 states. [2022-10-16 12:59:58,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6503 to 3417. [2022-10-16 12:59:58,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3417 states, 2557 states have (on average 1.4118107156824404) internal successors, (3610), 2697 states have internal predecessors, (3610), 570 states have call successors, (570), 167 states have call predecessors, (570), 167 states have return successors, (570), 564 states have call predecessors, (570), 570 states have call successors, (570) [2022-10-16 12:59:58,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3417 states to 3417 states and 4750 transitions. [2022-10-16 12:59:58,150 INFO L78 Accepts]: Start accepts. Automaton has 3417 states and 4750 transitions. Word has length 77 [2022-10-16 12:59:58,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:59:58,150 INFO L495 AbstractCegarLoop]: Abstraction has 3417 states and 4750 transitions. [2022-10-16 12:59:58,151 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 9.11111111111111) internal successors, (82), 7 states have internal predecessors, (82), 6 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (10), 6 states have call predecessors, (10), 6 states have call successors, (10) [2022-10-16 12:59:58,151 INFO L276 IsEmpty]: Start isEmpty. Operand 3417 states and 4750 transitions. [2022-10-16 12:59:58,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-16 12:59:58,153 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:59:58,153 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:59:58,210 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-10-16 12:59:58,366 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:59:58,367 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting usbtouch_probeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~$Pointer$~X~int~TO~intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~X~int~TO~intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 168 more)] === [2022-10-16 12:59:58,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:59:58,368 INFO L85 PathProgramCache]: Analyzing trace with hash -69619833, now seen corresponding path program 1 times [2022-10-16 12:59:58,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:59:58,369 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689383124] [2022-10-16 12:59:58,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:59:58,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:59:58,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:59:58,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 12:59:58,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:59:58,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 12:59:58,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:59:58,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-16 12:59:58,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:59:58,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-10-16 12:59:58,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:59:58,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:59:58,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:59:58,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-10-16 12:59:58,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:59:58,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-10-16 12:59:58,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:59:58,975 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-16 12:59:58,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:59:58,976 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689383124] [2022-10-16 12:59:58,976 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689383124] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 12:59:58,976 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1547837459] [2022-10-16 12:59:58,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:59:58,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:59:58,977 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:59:58,979 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 12:59:58,980 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-16 12:59:59,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:59:59,652 INFO L263 TraceCheckSpWp]: Trace formula consists of 2915 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 12:59:59,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 12:59:59,723 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-16 12:59:59,724 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 12:59:59,724 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1547837459] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:59:59,724 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 12:59:59,724 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2022-10-16 12:59:59,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019460252] [2022-10-16 12:59:59,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:59:59,728 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:59:59,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:59:59,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:59:59,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-10-16 12:59:59,729 INFO L87 Difference]: Start difference. First operand 3417 states and 4750 transitions. Second operand has 4 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2022-10-16 13:00:00,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:00:00,168 INFO L93 Difference]: Finished difference Result 3773 states and 5280 transitions. [2022-10-16 13:00:00,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 13:00:00,169 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 78 [2022-10-16 13:00:00,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:00:00,207 INFO L225 Difference]: With dead ends: 3773 [2022-10-16 13:00:00,207 INFO L226 Difference]: Without dead ends: 3772 [2022-10-16 13:00:00,210 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-10-16 13:00:00,214 INFO L413 NwaCegarLoop]: 1751 mSDtfsCounter, 238 mSDsluCounter, 3049 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 296 SdHoareTripleChecker+Valid, 4800 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 13:00:00,214 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [296 Valid, 4800 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 13:00:00,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3772 states. [2022-10-16 13:00:00,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3772 to 3392. [2022-10-16 13:00:00,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3392 states, 2536 states have (on average 1.411671924290221) internal successors, (3580), 2675 states have internal predecessors, (3580), 567 states have call successors, (567), 167 states have call predecessors, (567), 167 states have return successors, (567), 561 states have call predecessors, (567), 567 states have call successors, (567) [2022-10-16 13:00:00,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3392 states to 3392 states and 4714 transitions. [2022-10-16 13:00:00,565 INFO L78 Accepts]: Start accepts. Automaton has 3392 states and 4714 transitions. Word has length 78 [2022-10-16 13:00:00,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:00:00,566 INFO L495 AbstractCegarLoop]: Abstraction has 3392 states and 4714 transitions. [2022-10-16 13:00:00,566 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2022-10-16 13:00:00,566 INFO L276 IsEmpty]: Start isEmpty. Operand 3392 states and 4714 transitions. [2022-10-16 13:00:00,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-10-16 13:00:00,569 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:00:00,569 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:00:00,619 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-10-16 13:00:00,782 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-10-16 13:00:00,783 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~$Pointer$~X~int~TO~intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~X~int~TO~intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 168 more)] === [2022-10-16 13:00:00,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:00:00,784 INFO L85 PathProgramCache]: Analyzing trace with hash -2143681404, now seen corresponding path program 1 times [2022-10-16 13:00:00,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:00:00,784 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937105588] [2022-10-16 13:00:00,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:00:00,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:00:00,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:01,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:00:01,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:01,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 13:00:01,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:01,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-16 13:00:01,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:01,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-10-16 13:00:01,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:01,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:00:01,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:01,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:00:01,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:01,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-10-16 13:00:01,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:01,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:00:01,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:01,280 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-16 13:00:01,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:00:01,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937105588] [2022-10-16 13:00:01,281 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1937105588] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:00:01,281 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:00:01,281 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 13:00:01,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377024288] [2022-10-16 13:00:01,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:00:01,282 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 13:00:01,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:00:01,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 13:00:01,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-10-16 13:00:01,283 INFO L87 Difference]: Start difference. First operand 3392 states and 4714 transitions. Second operand has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (8), 5 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-10-16 13:00:15,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:00:15,809 INFO L93 Difference]: Finished difference Result 10151 states and 14383 transitions. [2022-10-16 13:00:15,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-16 13:00:15,810 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (8), 5 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 86 [2022-10-16 13:00:15,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:00:15,846 INFO L225 Difference]: With dead ends: 10151 [2022-10-16 13:00:15,847 INFO L226 Difference]: Without dead ends: 7868 [2022-10-16 13:00:15,861 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2022-10-16 13:00:15,862 INFO L413 NwaCegarLoop]: 2721 mSDtfsCounter, 3547 mSDsluCounter, 6619 mSDsCounter, 0 mSdLazyCounter, 5296 mSolverCounterSat, 1264 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3799 SdHoareTripleChecker+Valid, 9340 SdHoareTripleChecker+Invalid, 6560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1264 IncrementalHoareTripleChecker+Valid, 5296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.6s IncrementalHoareTripleChecker+Time [2022-10-16 13:00:15,862 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3799 Valid, 9340 Invalid, 6560 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1264 Valid, 5296 Invalid, 0 Unknown, 0 Unchecked, 13.6s Time] [2022-10-16 13:00:15,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7868 states. [2022-10-16 13:00:16,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7868 to 4446. [2022-10-16 13:00:16,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4446 states, 3352 states have (on average 1.4119928400954653) internal successors, (4733), 3497 states have internal predecessors, (4733), 751 states have call successors, (751), 221 states have call predecessors, (751), 221 states have return successors, (751), 743 states have call predecessors, (751), 751 states have call successors, (751) [2022-10-16 13:00:16,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4446 states to 4446 states and 6235 transitions. [2022-10-16 13:00:16,458 INFO L78 Accepts]: Start accepts. Automaton has 4446 states and 6235 transitions. Word has length 86 [2022-10-16 13:00:16,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:00:16,458 INFO L495 AbstractCegarLoop]: Abstraction has 4446 states and 6235 transitions. [2022-10-16 13:00:16,459 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (8), 5 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-10-16 13:00:16,460 INFO L276 IsEmpty]: Start isEmpty. Operand 4446 states and 6235 transitions. [2022-10-16 13:00:16,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-10-16 13:00:16,461 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:00:16,461 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:00:16,462 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 13:00:16,462 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~$Pointer$~X~int~TO~intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~X~int~TO~intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 168 more)] === [2022-10-16 13:00:16,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:00:16,462 INFO L85 PathProgramCache]: Analyzing trace with hash -31741682, now seen corresponding path program 1 times [2022-10-16 13:00:16,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:00:16,463 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62969561] [2022-10-16 13:00:16,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:00:16,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:00:16,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:16,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:00:16,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:16,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 13:00:16,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:16,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-16 13:00:16,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:16,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-10-16 13:00:16,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:17,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:00:17,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:17,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:00:17,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:17,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-10-16 13:00:17,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:17,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:00:17,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:17,066 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-16 13:00:17,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:00:17,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62969561] [2022-10-16 13:00:17,067 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [62969561] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 13:00:17,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [317767318] [2022-10-16 13:00:17,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:00:17,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:00:17,068 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:00:17,069 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 13:00:17,074 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-10-16 13:00:17,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:17,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 3041 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-16 13:00:17,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:00:17,877 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-16 13:00:17,877 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 13:00:17,877 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [317767318] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:00:17,877 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 13:00:17,878 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 11 [2022-10-16 13:00:17,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097277235] [2022-10-16 13:00:17,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:00:17,879 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 13:00:17,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:00:17,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 13:00:17,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2022-10-16 13:00:17,880 INFO L87 Difference]: Start difference. First operand 4446 states and 6235 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2022-10-16 13:00:18,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:00:18,524 INFO L93 Difference]: Finished difference Result 10061 states and 13990 transitions. [2022-10-16 13:00:18,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 13:00:18,525 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) Word has length 87 [2022-10-16 13:00:18,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:00:18,555 INFO L225 Difference]: With dead ends: 10061 [2022-10-16 13:00:18,555 INFO L226 Difference]: Without dead ends: 6722 [2022-10-16 13:00:18,573 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2022-10-16 13:00:18,574 INFO L413 NwaCegarLoop]: 3133 mSDtfsCounter, 1542 mSDsluCounter, 7847 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1544 SdHoareTripleChecker+Valid, 10980 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 13:00:18,574 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1544 Valid, 10980 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 13:00:18,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6722 states. [2022-10-16 13:00:19,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6722 to 4454. [2022-10-16 13:00:19,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4454 states, 3358 states have (on average 1.4112567004169148) internal successors, (4739), 3503 states have internal predecessors, (4739), 751 states have call successors, (751), 221 states have call predecessors, (751), 223 states have return successors, (755), 745 states have call predecessors, (755), 751 states have call successors, (755) [2022-10-16 13:00:19,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4454 states to 4454 states and 6245 transitions. [2022-10-16 13:00:19,184 INFO L78 Accepts]: Start accepts. Automaton has 4454 states and 6245 transitions. Word has length 87 [2022-10-16 13:00:19,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:00:19,185 INFO L495 AbstractCegarLoop]: Abstraction has 4454 states and 6245 transitions. [2022-10-16 13:00:19,185 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2022-10-16 13:00:19,185 INFO L276 IsEmpty]: Start isEmpty. Operand 4454 states and 6245 transitions. [2022-10-16 13:00:19,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-10-16 13:00:19,188 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:00:19,188 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:00:19,237 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-10-16 13:00:19,401 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:00:19,402 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~$Pointer$~X~int~TO~intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~X~int~TO~intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 168 more)] === [2022-10-16 13:00:19,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:00:19,403 INFO L85 PathProgramCache]: Analyzing trace with hash -1811048237, now seen corresponding path program 1 times [2022-10-16 13:00:19,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:00:19,404 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170056297] [2022-10-16 13:00:19,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:00:19,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:00:19,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:19,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:00:19,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:19,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 13:00:19,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:19,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-16 13:00:19,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:19,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-10-16 13:00:19,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:19,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:00:19,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:19,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:00:19,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:19,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:00:19,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:19,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:00:19,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:19,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:00:19,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:19,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-16 13:00:19,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:19,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:00:19,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:20,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:00:20,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:20,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-16 13:00:20,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:20,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-10-16 13:00:20,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:20,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:00:20,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:20,057 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-10-16 13:00:20,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:00:20,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170056297] [2022-10-16 13:00:20,058 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1170056297] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 13:00:20,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [391942021] [2022-10-16 13:00:20,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:00:20,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:00:20,059 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:00:20,060 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 13:00:20,076 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-10-16 13:00:20,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:20,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 3243 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-16 13:00:20,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:00:20,938 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-10-16 13:00:20,938 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 13:00:20,939 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [391942021] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:00:20,939 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 13:00:20,939 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 13 [2022-10-16 13:00:20,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708010714] [2022-10-16 13:00:20,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:00:20,940 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 13:00:20,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:00:20,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 13:00:20,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-10-16 13:00:20,942 INFO L87 Difference]: Start difference. First operand 4454 states and 6245 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 5 states have internal predecessors, (83), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (13), 4 states have call predecessors, (13), 3 states have call successors, (13) [2022-10-16 13:00:21,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:00:21,846 INFO L93 Difference]: Finished difference Result 10149 states and 14107 transitions. [2022-10-16 13:00:21,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 13:00:21,846 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 5 states have internal predecessors, (83), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (13), 4 states have call predecessors, (13), 3 states have call successors, (13) Word has length 130 [2022-10-16 13:00:21,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:00:21,874 INFO L225 Difference]: With dead ends: 10149 [2022-10-16 13:00:21,875 INFO L226 Difference]: Without dead ends: 6806 [2022-10-16 13:00:21,891 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2022-10-16 13:00:21,892 INFO L413 NwaCegarLoop]: 3128 mSDtfsCounter, 1618 mSDsluCounter, 10748 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1637 SdHoareTripleChecker+Valid, 13876 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 13:00:21,893 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1637 Valid, 13876 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 13:00:21,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6806 states. [2022-10-16 13:00:22,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6806 to 4464. [2022-10-16 13:00:22,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4464 states, 3364 states have (on average 1.4105231866825207) internal successors, (4745), 3509 states have internal predecessors, (4745), 755 states have call successors, (755), 221 states have call predecessors, (755), 223 states have return successors, (759), 749 states have call predecessors, (759), 755 states have call successors, (759) [2022-10-16 13:00:22,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4464 states to 4464 states and 6259 transitions. [2022-10-16 13:00:22,416 INFO L78 Accepts]: Start accepts. Automaton has 4464 states and 6259 transitions. Word has length 130 [2022-10-16 13:00:22,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:00:22,417 INFO L495 AbstractCegarLoop]: Abstraction has 4464 states and 6259 transitions. [2022-10-16 13:00:22,417 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 5 states have internal predecessors, (83), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (13), 4 states have call predecessors, (13), 3 states have call successors, (13) [2022-10-16 13:00:22,418 INFO L276 IsEmpty]: Start isEmpty. Operand 4464 states and 6259 transitions. [2022-10-16 13:00:22,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2022-10-16 13:00:22,420 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:00:22,421 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:00:22,451 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-10-16 13:00:22,632 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:00:22,632 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~$Pointer$~X~int~TO~intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~X~int~TO~intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 168 more)] === [2022-10-16 13:00:22,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:00:22,633 INFO L85 PathProgramCache]: Analyzing trace with hash -1021916640, now seen corresponding path program 1 times [2022-10-16 13:00:22,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:00:22,634 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139707971] [2022-10-16 13:00:22,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:00:22,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:00:22,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:23,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:00:23,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:24,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 13:00:24,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:24,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-16 13:00:24,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:24,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-10-16 13:00:24,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:24,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:00:24,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:24,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-10-16 13:00:24,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:24,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:00:24,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:24,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:00:24,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:24,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-10-16 13:00:24,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:24,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:00:24,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:24,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:00:24,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:24,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-10-16 13:00:24,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:24,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-10-16 13:00:24,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:24,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:00:24,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:24,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-10-16 13:00:24,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:24,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-10-16 13:00:24,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:24,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-10-16 13:00:24,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:24,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-10-16 13:00:24,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:24,521 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2022-10-16 13:00:24,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:00:24,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139707971] [2022-10-16 13:00:24,522 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1139707971] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 13:00:24,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [685143408] [2022-10-16 13:00:24,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:00:24,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:00:24,523 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:00:24,524 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 13:00:24,544 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-10-16 13:00:25,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:25,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 3666 conjuncts, 19 conjunts are in the unsatisfiable core [2022-10-16 13:00:25,422 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:00:25,491 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-10-16 13:00:25,491 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 13:00:25,491 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [685143408] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:00:25,492 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 13:00:25,492 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2022-10-16 13:00:25,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034658757] [2022-10-16 13:00:25,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:00:25,493 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 13:00:25,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:00:25,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 13:00:25,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2022-10-16 13:00:25,494 INFO L87 Difference]: Start difference. First operand 4464 states and 6259 transitions. Second operand has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2022-10-16 13:00:26,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:00:26,076 INFO L93 Difference]: Finished difference Result 8909 states and 12689 transitions. [2022-10-16 13:00:26,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 13:00:26,076 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) Word has length 162 [2022-10-16 13:00:26,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:00:26,096 INFO L225 Difference]: With dead ends: 8909 [2022-10-16 13:00:26,096 INFO L226 Difference]: Without dead ends: 4472 [2022-10-16 13:00:26,125 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2022-10-16 13:00:26,126 INFO L413 NwaCegarLoop]: 1595 mSDtfsCounter, 0 mSDsluCounter, 4772 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6367 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 13:00:26,126 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6367 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 13:00:26,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4472 states. [2022-10-16 13:00:26,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4472 to 4472. [2022-10-16 13:00:26,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4472 states, 3368 states have (on average 1.4100356294536818) internal successors, (4749), 3517 states have internal predecessors, (4749), 755 states have call successors, (755), 221 states have call predecessors, (755), 227 states have return successors, (783), 749 states have call predecessors, (783), 755 states have call successors, (783) [2022-10-16 13:00:26,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4472 states to 4472 states and 6287 transitions. [2022-10-16 13:00:26,685 INFO L78 Accepts]: Start accepts. Automaton has 4472 states and 6287 transitions. Word has length 162 [2022-10-16 13:00:26,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:00:26,686 INFO L495 AbstractCegarLoop]: Abstraction has 4472 states and 6287 transitions. [2022-10-16 13:00:26,686 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2022-10-16 13:00:26,686 INFO L276 IsEmpty]: Start isEmpty. Operand 4472 states and 6287 transitions. [2022-10-16 13:00:26,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2022-10-16 13:00:26,689 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:00:26,689 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:00:26,739 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-10-16 13:00:26,905 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-10-16 13:00:26,905 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting __create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~$Pointer$~X~int~TO~intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~X~int~TO~intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 168 more)] === [2022-10-16 13:00:26,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:00:26,906 INFO L85 PathProgramCache]: Analyzing trace with hash -1181706281, now seen corresponding path program 1 times [2022-10-16 13:00:26,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:00:26,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586161501] [2022-10-16 13:00:26,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:00:26,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:00:27,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:28,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:00:28,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:28,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 13:00:28,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:28,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-16 13:00:28,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:28,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-10-16 13:00:28,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:28,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:00:28,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:28,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:00:28,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:28,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-10-16 13:00:28,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:28,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:00:28,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:28,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:00:28,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:28,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-10-16 13:00:28,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:28,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:00:28,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:28,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:00:28,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:28,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-10-16 13:00:28,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:28,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-10-16 13:00:28,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:28,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:00:28,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:28,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-10-16 13:00:28,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:28,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-10-16 13:00:28,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:28,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-10-16 13:00:28,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:28,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-10-16 13:00:28,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:28,476 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-10-16 13:00:28,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:00:28,476 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586161501] [2022-10-16 13:00:28,476 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586161501] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:00:28,477 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:00:28,477 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 13:00:28,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231588798] [2022-10-16 13:00:28,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:00:28,478 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 13:00:28,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:00:28,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 13:00:28,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-10-16 13:00:28,479 INFO L87 Difference]: Start difference. First operand 4472 states and 6287 transitions. Second operand has 8 states, 8 states have (on average 13.0) internal successors, (104), 4 states have internal predecessors, (104), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-10-16 13:00:34,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:00:34,851 INFO L93 Difference]: Finished difference Result 11218 states and 16301 transitions. [2022-10-16 13:00:34,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 13:00:34,853 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.0) internal successors, (104), 4 states have internal predecessors, (104), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 168 [2022-10-16 13:00:34,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:00:34,885 INFO L225 Difference]: With dead ends: 11218 [2022-10-16 13:00:34,885 INFO L226 Difference]: Without dead ends: 6781 [2022-10-16 13:00:34,909 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2022-10-16 13:00:34,910 INFO L413 NwaCegarLoop]: 1397 mSDtfsCounter, 2496 mSDsluCounter, 4420 mSDsCounter, 0 mSdLazyCounter, 2810 mSolverCounterSat, 1124 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2576 SdHoareTripleChecker+Valid, 5817 SdHoareTripleChecker+Invalid, 3934 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1124 IncrementalHoareTripleChecker+Valid, 2810 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-10-16 13:00:34,911 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2576 Valid, 5817 Invalid, 3934 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1124 Valid, 2810 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2022-10-16 13:00:34,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6781 states. [2022-10-16 13:00:35,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6781 to 4480. [2022-10-16 13:00:35,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4480 states, 3376 states have (on average 1.409063981042654) internal successors, (4757), 3525 states have internal predecessors, (4757), 755 states have call successors, (755), 221 states have call predecessors, (755), 227 states have return successors, (783), 749 states have call predecessors, (783), 755 states have call successors, (783) [2022-10-16 13:00:35,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4480 states to 4480 states and 6295 transitions. [2022-10-16 13:00:35,515 INFO L78 Accepts]: Start accepts. Automaton has 4480 states and 6295 transitions. Word has length 168 [2022-10-16 13:00:35,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:00:35,516 INFO L495 AbstractCegarLoop]: Abstraction has 4480 states and 6295 transitions. [2022-10-16 13:00:35,516 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.0) internal successors, (104), 4 states have internal predecessors, (104), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-10-16 13:00:35,516 INFO L276 IsEmpty]: Start isEmpty. Operand 4480 states and 6295 transitions. [2022-10-16 13:00:35,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-10-16 13:00:35,521 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:00:35,521 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:00:35,521 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 13:00:35,521 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting __create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~$Pointer$~X~int~TO~intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~X~int~TO~intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 168 more)] === [2022-10-16 13:00:35,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:00:35,522 INFO L85 PathProgramCache]: Analyzing trace with hash 340530366, now seen corresponding path program 1 times [2022-10-16 13:00:35,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:00:35,522 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420890364] [2022-10-16 13:00:35,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:00:35,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:00:35,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:37,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:00:37,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:37,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 13:00:37,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:37,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-16 13:00:37,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:37,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-10-16 13:00:37,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:37,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:00:37,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:37,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:00:37,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:37,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-10-16 13:00:37,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:37,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-10-16 13:00:37,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:37,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:00:37,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:37,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:00:37,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:37,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-10-16 13:00:37,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:38,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:00:38,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:38,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:00:38,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:38,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-10-16 13:00:38,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:38,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-10-16 13:00:38,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:38,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:00:38,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:38,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-10-16 13:00:38,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:38,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-10-16 13:00:38,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:38,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-10-16 13:00:38,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:38,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-10-16 13:00:38,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:38,347 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 11 proven. 4 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-10-16 13:00:38,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:00:38,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420890364] [2022-10-16 13:00:38,348 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [420890364] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 13:00:38,348 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2016556456] [2022-10-16 13:00:38,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:00:38,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:00:38,348 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:00:38,352 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 13:00:38,375 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-10-16 13:00:39,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:39,339 INFO L263 TraceCheckSpWp]: Trace formula consists of 3716 conjuncts, 49 conjunts are in the unsatisfiable core [2022-10-16 13:00:39,347 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:00:39,567 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 26 proven. 9 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-10-16 13:00:39,567 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 13:00:40,064 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 2 proven. 13 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-10-16 13:00:40,064 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2016556456] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 13:00:40,064 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 13:00:40,065 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 10, 10] total 25 [2022-10-16 13:00:40,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872426517] [2022-10-16 13:00:40,065 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 13:00:40,066 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-10-16 13:00:40,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:00:40,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-10-16 13:00:40,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=543, Unknown=0, NotChecked=0, Total=600 [2022-10-16 13:00:40,067 INFO L87 Difference]: Start difference. First operand 4480 states and 6295 transitions. Second operand has 25 states, 25 states have (on average 6.12) internal successors, (153), 14 states have internal predecessors, (153), 4 states have call successors, (40), 6 states have call predecessors, (40), 8 states have return successors, (33), 11 states have call predecessors, (33), 4 states have call successors, (33) [2022-10-16 13:00:55,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:00:55,093 INFO L93 Difference]: Finished difference Result 11390 states and 16547 transitions. [2022-10-16 13:00:55,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-10-16 13:00:55,094 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 6.12) internal successors, (153), 14 states have internal predecessors, (153), 4 states have call successors, (40), 6 states have call predecessors, (40), 8 states have return successors, (33), 11 states have call predecessors, (33), 4 states have call successors, (33) Word has length 175 [2022-10-16 13:00:55,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:00:55,130 INFO L225 Difference]: With dead ends: 11390 [2022-10-16 13:00:55,131 INFO L226 Difference]: Without dead ends: 6945 [2022-10-16 13:00:55,152 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 419 GetRequests, 379 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=183, Invalid=1457, Unknown=0, NotChecked=0, Total=1640 [2022-10-16 13:00:55,153 INFO L413 NwaCegarLoop]: 1394 mSDtfsCounter, 3057 mSDsluCounter, 19604 mSDsCounter, 0 mSdLazyCounter, 11082 mSolverCounterSat, 1436 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3144 SdHoareTripleChecker+Valid, 20998 SdHoareTripleChecker+Invalid, 12518 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1436 IncrementalHoareTripleChecker+Valid, 11082 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.4s IncrementalHoareTripleChecker+Time [2022-10-16 13:00:55,153 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3144 Valid, 20998 Invalid, 12518 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1436 Valid, 11082 Invalid, 0 Unknown, 0 Unchecked, 13.4s Time] [2022-10-16 13:00:55,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6945 states. [2022-10-16 13:00:55,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6945 to 4528. [2022-10-16 13:00:55,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4528 states, 3412 states have (on average 1.4047479484173506) internal successors, (4793), 3557 states have internal predecessors, (4793), 759 states have call successors, (759), 221 states have call predecessors, (759), 235 states have return successors, (823), 765 states have call predecessors, (823), 759 states have call successors, (823) [2022-10-16 13:00:55,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4528 states to 4528 states and 6375 transitions. [2022-10-16 13:00:55,797 INFO L78 Accepts]: Start accepts. Automaton has 4528 states and 6375 transitions. Word has length 175 [2022-10-16 13:00:55,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:00:55,798 INFO L495 AbstractCegarLoop]: Abstraction has 4528 states and 6375 transitions. [2022-10-16 13:00:55,798 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 6.12) internal successors, (153), 14 states have internal predecessors, (153), 4 states have call successors, (40), 6 states have call predecessors, (40), 8 states have return successors, (33), 11 states have call predecessors, (33), 4 states have call successors, (33) [2022-10-16 13:00:55,799 INFO L276 IsEmpty]: Start isEmpty. Operand 4528 states and 6375 transitions. [2022-10-16 13:00:55,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-10-16 13:00:55,804 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:00:55,804 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:00:55,861 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-10-16 13:00:56,019 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:00:56,019 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting __create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~$Pointer$~X~int~TO~intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~X~int~TO~intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 168 more)] === [2022-10-16 13:00:56,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:00:56,020 INFO L85 PathProgramCache]: Analyzing trace with hash 1141946782, now seen corresponding path program 2 times [2022-10-16 13:00:56,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:00:56,020 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836218294] [2022-10-16 13:00:56,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:00:56,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:00:56,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:58,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:00:58,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:58,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 13:00:58,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:58,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-16 13:00:58,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:58,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-10-16 13:00:58,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:58,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:00:58,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:58,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:00:58,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:58,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-10-16 13:00:58,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:58,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-10-16 13:00:58,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:58,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:00:58,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:58,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:00:58,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:58,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:00:58,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:58,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-10-16 13:00:58,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:58,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:00:58,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:58,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:00:58,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:58,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:00:58,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:58,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-10-16 13:00:58,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:58,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-10-16 13:00:58,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:58,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:00:58,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:58,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-10-16 13:00:58,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:58,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-10-16 13:00:58,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:58,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-10-16 13:00:58,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:58,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-10-16 13:00:58,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:58,802 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2022-10-16 13:00:58,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:00:58,803 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836218294] [2022-10-16 13:00:58,803 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1836218294] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 13:00:58,803 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2013736153] [2022-10-16 13:00:58,804 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 13:00:58,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:00:58,804 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:00:58,805 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 13:00:58,828 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-10-16 13:01:28,996 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-10-16 13:01:28,997 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 13:01:29,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 3768 conjuncts, 8 conjunts are in the unsatisfiable core [2022-10-16 13:01:29,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:01:29,087 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2022-10-16 13:01:29,088 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 13:01:29,088 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2013736153] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:01:29,088 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 13:01:29,088 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [10] total 12 [2022-10-16 13:01:29,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531404359] [2022-10-16 13:01:29,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:01:29,089 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 13:01:29,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:01:29,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 13:01:29,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2022-10-16 13:01:29,090 INFO L87 Difference]: Start difference. First operand 4528 states and 6375 transitions. Second operand has 4 states, 4 states have (on average 28.0) internal successors, (112), 4 states have internal predecessors, (112), 2 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-10-16 13:01:29,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:01:29,563 INFO L93 Difference]: Finished difference Result 9050 states and 12881 transitions. [2022-10-16 13:01:29,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 13:01:29,564 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.0) internal successors, (112), 4 states have internal predecessors, (112), 2 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 187 [2022-10-16 13:01:29,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:01:29,584 INFO L225 Difference]: With dead ends: 9050 [2022-10-16 13:01:29,585 INFO L226 Difference]: Without dead ends: 4533 [2022-10-16 13:01:29,600 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 226 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-10-16 13:01:29,601 INFO L413 NwaCegarLoop]: 1594 mSDtfsCounter, 2 mSDsluCounter, 3185 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 4779 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 13:01:29,601 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 4779 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 13:01:29,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4533 states. [2022-10-16 13:01:30,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4533 to 4533. [2022-10-16 13:01:30,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4533 states, 3417 states have (on average 1.4041556921275973) internal successors, (4798), 3562 states have internal predecessors, (4798), 759 states have call successors, (759), 221 states have call predecessors, (759), 235 states have return successors, (823), 765 states have call predecessors, (823), 759 states have call successors, (823) [2022-10-16 13:01:30,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4533 states to 4533 states and 6380 transitions. [2022-10-16 13:01:30,232 INFO L78 Accepts]: Start accepts. Automaton has 4533 states and 6380 transitions. Word has length 187 [2022-10-16 13:01:30,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:01:30,234 INFO L495 AbstractCegarLoop]: Abstraction has 4533 states and 6380 transitions. [2022-10-16 13:01:30,234 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.0) internal successors, (112), 4 states have internal predecessors, (112), 2 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-10-16 13:01:30,235 INFO L276 IsEmpty]: Start isEmpty. Operand 4533 states and 6380 transitions. [2022-10-16 13:01:30,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2022-10-16 13:01:30,238 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:01:30,239 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:01:30,265 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-10-16 13:01:30,452 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:01:30,453 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting __create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~$Pointer$~X~int~TO~intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~X~int~TO~intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 168 more)] === [2022-10-16 13:01:30,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:01:30,454 INFO L85 PathProgramCache]: Analyzing trace with hash 660073866, now seen corresponding path program 1 times [2022-10-16 13:01:30,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:01:30,454 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132252828] [2022-10-16 13:01:30,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:01:30,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:01:30,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:32,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:01:32,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:32,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 13:01:32,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:32,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-10-16 13:01:32,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:32,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-10-16 13:01:32,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:32,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:01:32,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:32,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:01:32,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:32,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-10-16 13:01:32,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:32,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-10-16 13:01:32,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:32,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:01:32,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:32,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:01:32,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:32,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:01:32,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:32,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-10-16 13:01:32,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:32,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:01:32,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:32,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:01:32,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:32,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:01:32,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:32,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-10-16 13:01:32,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:32,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-10-16 13:01:32,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:32,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:01:32,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:32,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-10-16 13:01:32,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:32,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-10-16 13:01:32,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:32,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-10-16 13:01:32,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:32,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-10-16 13:01:32,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:32,726 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2022-10-16 13:01:32,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:01:32,726 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132252828] [2022-10-16 13:01:32,726 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [132252828] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 13:01:32,726 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [557061287] [2022-10-16 13:01:32,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:01:32,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:01:32,727 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:01:32,728 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 13:01:32,746 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-10-16 13:01:33,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:33,625 INFO L263 TraceCheckSpWp]: Trace formula consists of 3783 conjuncts, 49 conjunts are in the unsatisfiable core [2022-10-16 13:01:33,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:01:34,160 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-10-16 13:01:34,160 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 13:01:34,646 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2022-10-16 13:01:34,646 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [557061287] provided 1 perfect and 1 imperfect interpolant sequences [2022-10-16 13:01:34,646 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-10-16 13:01:34,646 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [10, 8] total 22 [2022-10-16 13:01:34,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925742236] [2022-10-16 13:01:34,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:01:34,648 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 13:01:34,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:01:34,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 13:01:34,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=407, Unknown=0, NotChecked=0, Total=462 [2022-10-16 13:01:34,649 INFO L87 Difference]: Start difference. First operand 4533 states and 6380 transitions. Second operand has 8 states, 8 states have (on average 13.75) internal successors, (110), 7 states have internal predecessors, (110), 4 states have call successors, (20), 4 states have call predecessors, (20), 2 states have return successors, (18), 5 states have call predecessors, (18), 4 states have call successors, (18) [2022-10-16 13:01:39,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:01:39,491 INFO L93 Difference]: Finished difference Result 14633 states and 21336 transitions. [2022-10-16 13:01:39,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 13:01:39,492 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.75) internal successors, (110), 7 states have internal predecessors, (110), 4 states have call successors, (20), 4 states have call predecessors, (20), 2 states have return successors, (18), 5 states have call predecessors, (18), 4 states have call successors, (18) Word has length 188 [2022-10-16 13:01:39,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:01:39,554 INFO L225 Difference]: With dead ends: 14633 [2022-10-16 13:01:39,554 INFO L226 Difference]: Without dead ends: 10136 [2022-10-16 13:01:39,572 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 429 GetRequests, 404 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=83, Invalid=619, Unknown=0, NotChecked=0, Total=702 [2022-10-16 13:01:39,573 INFO L413 NwaCegarLoop]: 2768 mSDtfsCounter, 2682 mSDsluCounter, 11492 mSDsCounter, 0 mSdLazyCounter, 2946 mSolverCounterSat, 288 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2828 SdHoareTripleChecker+Valid, 14260 SdHoareTripleChecker+Invalid, 3234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 288 IncrementalHoareTripleChecker+Valid, 2946 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-10-16 13:01:39,573 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2828 Valid, 14260 Invalid, 3234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [288 Valid, 2946 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-10-16 13:01:39,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10136 states. [2022-10-16 13:01:41,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10136 to 9964. [2022-10-16 13:01:41,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9964 states, 7584 states have (on average 1.4011075949367089) internal successors, (10626), 7745 states have internal predecessors, (10626), 1703 states have call successors, (1703), 435 states have call predecessors, (1703), 555 states have return successors, (2335), 1815 states have call predecessors, (2335), 1703 states have call successors, (2335) [2022-10-16 13:01:41,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9964 states to 9964 states and 14664 transitions. [2022-10-16 13:01:41,102 INFO L78 Accepts]: Start accepts. Automaton has 9964 states and 14664 transitions. Word has length 188 [2022-10-16 13:01:41,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:01:41,103 INFO L495 AbstractCegarLoop]: Abstraction has 9964 states and 14664 transitions. [2022-10-16 13:01:41,104 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.75) internal successors, (110), 7 states have internal predecessors, (110), 4 states have call successors, (20), 4 states have call predecessors, (20), 2 states have return successors, (18), 5 states have call predecessors, (18), 4 states have call successors, (18) [2022-10-16 13:01:41,104 INFO L276 IsEmpty]: Start isEmpty. Operand 9964 states and 14664 transitions. [2022-10-16 13:01:41,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2022-10-16 13:01:41,107 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:01:41,107 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:01:41,152 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-10-16 13:01:41,320 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-10-16 13:01:41,320 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting __create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~$Pointer$~X~int~TO~intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~X~int~TO~intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 168 more)] === [2022-10-16 13:01:41,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:01:41,321 INFO L85 PathProgramCache]: Analyzing trace with hash 1709195209, now seen corresponding path program 1 times [2022-10-16 13:01:41,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:01:41,321 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993573533] [2022-10-16 13:01:41,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:01:41,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:01:41,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:42,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:01:42,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:42,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 13:01:42,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:42,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-10-16 13:01:42,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:42,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-10-16 13:01:42,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:42,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:01:42,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:42,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:01:42,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:42,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-10-16 13:01:42,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:42,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-10-16 13:01:42,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:42,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:01:42,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:42,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:01:42,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:42,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:01:42,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:42,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-10-16 13:01:42,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:42,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:01:42,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:42,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:01:42,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:42,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:01:42,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:42,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-10-16 13:01:42,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:42,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-10-16 13:01:42,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:42,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:01:42,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:42,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-10-16 13:01:42,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:42,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-10-16 13:01:42,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:42,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-10-16 13:01:42,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:42,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-10-16 13:01:42,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:42,715 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2022-10-16 13:01:42,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:01:42,716 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993573533] [2022-10-16 13:01:42,716 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1993573533] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:01:42,716 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:01:42,716 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-10-16 13:01:42,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828442688] [2022-10-16 13:01:42,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:01:42,718 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 13:01:42,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:01:42,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 13:01:42,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-10-16 13:01:42,719 INFO L87 Difference]: Start difference. First operand 9964 states and 14664 transitions. Second operand has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 4 states have internal predecessors, (113), 3 states have call successors, (20), 6 states have call predecessors, (20), 3 states have return successors, (18), 4 states have call predecessors, (18), 3 states have call successors, (18) [2022-10-16 13:01:50,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:01:50,131 INFO L93 Difference]: Finished difference Result 24096 states and 37068 transitions. [2022-10-16 13:01:50,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-16 13:01:50,131 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 4 states have internal predecessors, (113), 3 states have call successors, (20), 6 states have call predecessors, (20), 3 states have return successors, (18), 4 states have call predecessors, (18), 3 states have call successors, (18) Word has length 189 [2022-10-16 13:01:50,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:01:50,199 INFO L225 Difference]: With dead ends: 24096 [2022-10-16 13:01:50,200 INFO L226 Difference]: Without dead ends: 14168 [2022-10-16 13:01:50,240 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2022-10-16 13:01:50,241 INFO L413 NwaCegarLoop]: 1382 mSDtfsCounter, 2170 mSDsluCounter, 5742 mSDsCounter, 0 mSdLazyCounter, 3307 mSolverCounterSat, 1020 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2246 SdHoareTripleChecker+Valid, 7124 SdHoareTripleChecker+Invalid, 4327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1020 IncrementalHoareTripleChecker+Valid, 3307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-10-16 13:01:50,241 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2246 Valid, 7124 Invalid, 4327 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1020 Valid, 3307 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2022-10-16 13:01:50,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14168 states. [2022-10-16 13:01:51,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14168 to 10648. [2022-10-16 13:01:51,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10648 states, 8108 states have (on average 1.4042920572274298) internal successors, (11386), 8267 states have internal predecessors, (11386), 1795 states have call successors, (1795), 435 states have call predecessors, (1795), 623 states have return successors, (2562), 1979 states have call predecessors, (2562), 1795 states have call successors, (2562) [2022-10-16 13:01:51,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10648 states to 10648 states and 15743 transitions. [2022-10-16 13:01:51,535 INFO L78 Accepts]: Start accepts. Automaton has 10648 states and 15743 transitions. Word has length 189 [2022-10-16 13:01:51,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:01:51,536 INFO L495 AbstractCegarLoop]: Abstraction has 10648 states and 15743 transitions. [2022-10-16 13:01:51,536 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 4 states have internal predecessors, (113), 3 states have call successors, (20), 6 states have call predecessors, (20), 3 states have return successors, (18), 4 states have call predecessors, (18), 3 states have call successors, (18) [2022-10-16 13:01:51,536 INFO L276 IsEmpty]: Start isEmpty. Operand 10648 states and 15743 transitions. [2022-10-16 13:01:51,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2022-10-16 13:01:51,538 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:01:51,538 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:01:51,538 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 13:01:51,539 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting __create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~$Pointer$~X~int~TO~intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~X~int~TO~intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 168 more)] === [2022-10-16 13:01:51,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:01:51,539 INFO L85 PathProgramCache]: Analyzing trace with hash -453757504, now seen corresponding path program 2 times [2022-10-16 13:01:51,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:01:51,539 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663355414] [2022-10-16 13:01:51,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:01:51,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:01:51,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:53,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:01:53,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:53,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 13:01:53,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:53,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-10-16 13:01:53,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:53,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-10-16 13:01:53,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:53,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:01:53,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:53,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:01:53,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:53,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-10-16 13:01:53,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:53,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-10-16 13:01:53,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:53,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:01:53,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:53,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:01:53,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:53,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:01:53,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:53,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-10-16 13:01:53,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:53,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:01:53,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:53,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:01:53,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:53,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:01:53,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:53,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-10-16 13:01:53,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:53,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-10-16 13:01:53,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:53,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:01:53,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:53,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:01:53,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:53,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-16 13:01:53,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:53,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-10-16 13:01:53,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:53,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-10-16 13:01:53,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:53,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-10-16 13:01:53,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:53,647 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2022-10-16 13:01:53,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:01:53,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663355414] [2022-10-16 13:01:53,648 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1663355414] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 13:01:53,649 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1743122438] [2022-10-16 13:01:53,649 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 13:01:53,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:01:53,649 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:01:53,650 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 13:01:53,674 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process