/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--tablet--gtco.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 21:11:19,389 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 21:11:19,392 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 21:11:19,461 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 21:11:19,461 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 21:11:19,463 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 21:11:19,465 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 21:11:19,467 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 21:11:19,470 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 21:11:19,471 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 21:11:19,472 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 21:11:19,474 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 21:11:19,475 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 21:11:19,476 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 21:11:19,478 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 21:11:19,479 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 21:11:19,481 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 21:11:19,482 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 21:11:19,484 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 21:11:19,487 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 21:11:19,489 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 21:11:19,492 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 21:11:19,496 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 21:11:19,498 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 21:11:19,509 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-15 21:11:19,509 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-15 21:11:19,510 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-15 21:11:19,511 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-15 21:11:19,512 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-15 21:11:19,513 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-15 21:11:19,513 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 21:11:19,514 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 21:11:19,515 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 21:11:19,517 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 21:11:19,518 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 21:11:19,518 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 21:11:19,519 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 21:11:19,520 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 21:11:19,520 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 21:11:19,521 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 21:11:19,522 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 21:11:19,523 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-15 21:11:19,555 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 21:11:19,555 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 21:11:19,559 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 21:11:19,559 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 21:11:19,560 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 21:11:19,561 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 21:11:19,561 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 21:11:19,564 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 21:11:19,564 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 21:11:19,564 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 21:11:19,565 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 21:11:19,565 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 21:11:19,565 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 21:11:19,566 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 21:11:19,566 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 21:11:19,566 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 21:11:19,567 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 21:11:19,569 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 21:11:19,570 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 21:11:19,570 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 21:11:19,570 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 21:11:19,571 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 21:11:19,571 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 21:11:19,571 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 21:11:19,572 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 21:11:19,572 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 21:11:19,572 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:11:19,572 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 21:11:19,573 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 21:11:19,573 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 21:11:19,573 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 21:11:19,574 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 21:11:19,574 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 21:11:19,575 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 21:11:20,026 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 21:11:20,057 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 21:11:20,061 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 21:11:20,062 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 21:11:20,063 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 21:11:20,065 INFO L432 ainManager$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--tablet--gtco.ko-entry_point.cil.out.i [2022-10-15 21:11:20,162 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d440b9c49/b408c96a0d75481ea4dca1bb910c08de/FLAGd5fb711ee [2022-10-15 21:11:21,276 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 21:11:21,277 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--tablet--gtco.ko-entry_point.cil.out.i [2022-10-15 21:11:21,337 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d440b9c49/b408c96a0d75481ea4dca1bb910c08de/FLAGd5fb711ee [2022-10-15 21:11:21,710 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d440b9c49/b408c96a0d75481ea4dca1bb910c08de [2022-10-15 21:11:21,714 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 21:11:21,721 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 21:11:21,728 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 21:11:21,728 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 21:11:21,738 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 21:11:21,739 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:11:21" (1/1) ... [2022-10-15 21:11:21,741 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fcb5c8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:11:21, skipping insertion in model container [2022-10-15 21:11:21,741 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:11:21" (1/1) ... [2022-10-15 21:11:21,750 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 21:11:21,847 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 21:11:22,559 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--tablet--gtco.ko-entry_point.cil.out.i[104745,104758] [2022-10-15 21:11:22,929 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:11:22,952 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 21:11:23,066 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--tablet--gtco.ko-entry_point.cil.out.i[104745,104758] [2022-10-15 21:11:23,227 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:11:23,277 INFO L208 MainTranslator]: Completed translation [2022-10-15 21:11:23,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:11:23 WrapperNode [2022-10-15 21:11:23,278 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 21:11:23,280 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 21:11:23,280 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 21:11:23,280 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 21:11:23,291 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:11:23" (1/1) ... [2022-10-15 21:11:23,382 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:11:23" (1/1) ... [2022-10-15 21:11:23,492 INFO L138 Inliner]: procedures = 114, calls = 1187, calls flagged for inlining = 51, calls inlined = 48, statements flattened = 2210 [2022-10-15 21:11:23,493 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 21:11:23,493 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 21:11:23,494 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 21:11:23,494 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 21:11:23,506 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:11:23" (1/1) ... [2022-10-15 21:11:23,506 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:11:23" (1/1) ... [2022-10-15 21:11:23,523 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:11:23" (1/1) ... [2022-10-15 21:11:23,523 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:11:23" (1/1) ... [2022-10-15 21:11:23,597 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:11:23" (1/1) ... [2022-10-15 21:11:23,613 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:11:23" (1/1) ... [2022-10-15 21:11:23,624 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:11:23" (1/1) ... [2022-10-15 21:11:23,635 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:11:23" (1/1) ... [2022-10-15 21:11:23,655 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 21:11:23,656 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 21:11:23,656 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 21:11:23,656 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 21:11:23,657 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:11:23" (1/1) ... [2022-10-15 21:11:23,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:11:23,678 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:11:23,699 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-15 21:11:23,724 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-15 21:11:23,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-15 21:11:23,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-10-15 21:11:23,771 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-10-15 21:11:23,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-15 21:11:23,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-15 21:11:23,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-15 21:11:23,772 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-10-15 21:11:23,772 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-10-15 21:11:23,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-15 21:11:23,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-15 21:11:23,773 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-10-15 21:11:23,773 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-10-15 21:11:23,773 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-15 21:11:23,773 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-15 21:11:23,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-15 21:11:23,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-15 21:11:23,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-15 21:11:23,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-15 21:11:23,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-15 21:11:23,774 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-15 21:11:23,775 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-15 21:11:23,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-15 21:11:23,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2022-10-15 21:11:23,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2022-10-15 21:11:23,775 INFO L130 BoogieDeclarations]: Found specification of procedure gtco_disconnect [2022-10-15 21:11:23,775 INFO L138 BoogieDeclarations]: Found implementation of procedure gtco_disconnect [2022-10-15 21:11:23,775 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-10-15 21:11:23,776 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-10-15 21:11:23,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 21:11:23,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-10-15 21:11:23,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-10-15 21:11:23,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-15 21:11:23,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-15 21:11:23,777 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2022-10-15 21:11:23,777 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2022-10-15 21:11:23,777 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2022-10-15 21:11:23,777 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2022-10-15 21:11:23,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-15 21:11:23,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-15 21:11:23,778 INFO L130 BoogieDeclarations]: Found specification of procedure input_get_drvdata [2022-10-15 21:11:23,778 INFO L138 BoogieDeclarations]: Found implementation of procedure input_get_drvdata [2022-10-15 21:11:23,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-15 21:11:23,778 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-10-15 21:11:23,778 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-10-15 21:11:23,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2022-10-15 21:11:23,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2022-10-15 21:11:23,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 21:11:23,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-10-15 21:11:23,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-10-15 21:11:23,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 21:11:23,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 21:11:24,228 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 21:11:24,231 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 21:11:24,346 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-15 21:11:24,405 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2022-10-15 21:11:27,115 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 21:11:27,132 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 21:11:27,132 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-15 21:11:27,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:11:27 BoogieIcfgContainer [2022-10-15 21:11:27,136 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 21:11:27,138 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 21:11:27,139 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 21:11:27,142 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 21:11:27,143 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 09:11:21" (1/3) ... [2022-10-15 21:11:27,144 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39b339b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:11:27, skipping insertion in model container [2022-10-15 21:11:27,144 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:11:23" (2/3) ... [2022-10-15 21:11:27,144 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39b339b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:11:27, skipping insertion in model container [2022-10-15 21:11:27,144 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:11:27" (3/3) ... [2022-10-15 21:11:27,146 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--input--tablet--gtco.ko-entry_point.cil.out.i [2022-10-15 21:11:27,169 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 21:11:27,169 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 32 error locations. [2022-10-15 21:11:27,264 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 21:11:27,272 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;@818caaa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 21:11:27,272 INFO L358 AbstractCegarLoop]: Starting to check reachability of 32 error locations. [2022-10-15 21:11:27,280 INFO L276 IsEmpty]: Start isEmpty. Operand has 520 states, 382 states have (on average 1.4528795811518325) internal successors, (555), 424 states have internal predecessors, (555), 88 states have call successors, (88), 19 states have call predecessors, (88), 17 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2022-10-15 21:11:27,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-15 21:11:27,294 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:11:27,294 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:11:27,295 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [__create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, __create_pipeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 21:11:27,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:11:27,305 INFO L85 PathProgramCache]: Analyzing trace with hash 1106708286, now seen corresponding path program 1 times [2022-10-15 21:11:27,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:11:27,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816514905] [2022-10-15 21:11:27,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:11:27,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:11:27,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:27,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:11:27,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:28,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-15 21:11:28,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:28,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:11:28,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:11:28,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816514905] [2022-10-15 21:11:28,037 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816514905] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:11:28,037 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:11:28,037 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 21:11:28,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331243147] [2022-10-15 21:11:28,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:11:28,046 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:11:28,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:11:28,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:11:28,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:11:28,087 INFO L87 Difference]: Start difference. First operand has 520 states, 382 states have (on average 1.4528795811518325) internal successors, (555), 424 states have internal predecessors, (555), 88 states have call successors, (88), 19 states have call predecessors, (88), 17 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) Second operand has 5 states, 5 states have (on average 4.2) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-15 21:11:30,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:11:30,456 INFO L93 Difference]: Finished difference Result 1105 states and 1583 transitions. [2022-10-15 21:11:30,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-15 21:11:30,459 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 25 [2022-10-15 21:11:30,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:11:30,480 INFO L225 Difference]: With dead ends: 1105 [2022-10-15 21:11:30,481 INFO L226 Difference]: Without dead ends: 543 [2022-10-15 21:11:30,494 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-15 21:11:30,504 INFO L413 NwaCegarLoop]: 701 mSDtfsCounter, 186 mSDsluCounter, 1426 mSDsCounter, 0 mSdLazyCounter, 456 mSolverCounterSat, 211 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 2127 SdHoareTripleChecker+Invalid, 667 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 211 IncrementalHoareTripleChecker+Valid, 456 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:11:30,505 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 2127 Invalid, 667 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [211 Valid, 456 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-10-15 21:11:30,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 543 states. [2022-10-15 21:11:30,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 543 to 517. [2022-10-15 21:11:30,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 517 states, 387 states have (on average 1.4108527131782946) internal successors, (546), 419 states have internal predecessors, (546), 80 states have call successors, (80), 18 states have call predecessors, (80), 18 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2022-10-15 21:11:30,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 517 states and 706 transitions. [2022-10-15 21:11:30,632 INFO L78 Accepts]: Start accepts. Automaton has 517 states and 706 transitions. Word has length 25 [2022-10-15 21:11:30,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:11:30,633 INFO L495 AbstractCegarLoop]: Abstraction has 517 states and 706 transitions. [2022-10-15 21:11:30,633 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-15 21:11:30,633 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 706 transitions. [2022-10-15 21:11:30,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-15 21:11:30,637 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:11:30,637 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] [2022-10-15 21:11:30,637 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 21:11:30,638 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [__create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, __create_pipeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 21:11:30,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:11:30,639 INFO L85 PathProgramCache]: Analyzing trace with hash -1722432618, now seen corresponding path program 1 times [2022-10-15 21:11:30,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:11:30,639 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142488866] [2022-10-15 21:11:30,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:11:30,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:11:30,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:30,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:11:30,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:30,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-15 21:11:30,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:30,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-15 21:11:30,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:30,939 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-15 21:11:30,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:11:30,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142488866] [2022-10-15 21:11:30,940 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142488866] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:11:30,941 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:11:30,941 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 21:11:30,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761027988] [2022-10-15 21:11:30,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:11:30,943 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:11:30,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:11:30,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:11:30,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:11:30,945 INFO L87 Difference]: Start difference. First operand 517 states and 706 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-10-15 21:11:32,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:11:32,935 INFO L93 Difference]: Finished difference Result 1075 states and 1469 transitions. [2022-10-15 21:11:32,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-15 21:11:32,937 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 44 [2022-10-15 21:11:32,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:11:32,943 INFO L225 Difference]: With dead ends: 1075 [2022-10-15 21:11:32,944 INFO L226 Difference]: Without dead ends: 574 [2022-10-15 21:11:32,947 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-10-15 21:11:32,948 INFO L413 NwaCegarLoop]: 694 mSDtfsCounter, 679 mSDsluCounter, 905 mSDsCounter, 0 mSdLazyCounter, 360 mSolverCounterSat, 186 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 748 SdHoareTripleChecker+Valid, 1599 SdHoareTripleChecker+Invalid, 546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 186 IncrementalHoareTripleChecker+Valid, 360 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-10-15 21:11:32,949 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [748 Valid, 1599 Invalid, 546 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [186 Valid, 360 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-10-15 21:11:32,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states. [2022-10-15 21:11:33,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 546. [2022-10-15 21:11:33,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 546 states, 413 states have (on average 1.4067796610169492) internal successors, (581), 445 states have internal predecessors, (581), 80 states have call successors, (80), 21 states have call predecessors, (80), 21 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2022-10-15 21:11:33,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 741 transitions. [2022-10-15 21:11:33,011 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 741 transitions. Word has length 44 [2022-10-15 21:11:33,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:11:33,012 INFO L495 AbstractCegarLoop]: Abstraction has 546 states and 741 transitions. [2022-10-15 21:11:33,012 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-10-15 21:11:33,013 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 741 transitions. [2022-10-15 21:11:33,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-10-15 21:11:33,015 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:11:33,016 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] [2022-10-15 21:11:33,016 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 21:11:33,016 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [__create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, __create_pipeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 21:11:33,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:11:33,017 INFO L85 PathProgramCache]: Analyzing trace with hash -1530149549, now seen corresponding path program 1 times [2022-10-15 21:11:33,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:11:33,018 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236472106] [2022-10-15 21:11:33,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:11:33,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:11:33,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:33,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:11:33,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:33,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-15 21:11:33,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:33,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-15 21:11:33,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:33,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:11:33,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:33,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-15 21:11:33,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:33,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:11:33,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:33,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-10-15 21:11:33,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:33,477 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-10-15 21:11:33,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:11:33,478 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236472106] [2022-10-15 21:11:33,478 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1236472106] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:11:33,479 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:11:33,479 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 21:11:33,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578897885] [2022-10-15 21:11:33,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:11:33,480 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 21:11:33,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:11:33,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 21:11:33,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-15 21:11:33,481 INFO L87 Difference]: Start difference. First operand 546 states and 741 transitions. Second operand has 6 states, 5 states have (on average 9.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-10-15 21:11:34,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:11:34,807 INFO L93 Difference]: Finished difference Result 1056 states and 1444 transitions. [2022-10-15 21:11:34,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-15 21:11:34,808 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (6), 3 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 71 [2022-10-15 21:11:34,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:11:34,824 INFO L225 Difference]: With dead ends: 1056 [2022-10-15 21:11:34,824 INFO L226 Difference]: Without dead ends: 1054 [2022-10-15 21:11:34,828 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2022-10-15 21:11:34,840 INFO L413 NwaCegarLoop]: 740 mSDtfsCounter, 735 mSDsluCounter, 1452 mSDsCounter, 0 mSdLazyCounter, 485 mSolverCounterSat, 321 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 804 SdHoareTripleChecker+Valid, 2192 SdHoareTripleChecker+Invalid, 806 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 321 IncrementalHoareTripleChecker+Valid, 485 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:11:34,841 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [804 Valid, 2192 Invalid, 806 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [321 Valid, 485 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-10-15 21:11:34,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1054 states. [2022-10-15 21:11:34,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1054 to 993. [2022-10-15 21:11:34,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 993 states, 773 states have (on average 1.4113842173350581) internal successors, (1091), 805 states have internal predecessors, (1091), 153 states have call successors, (153), 35 states have call predecessors, (153), 35 states have return successors, (153), 153 states have call predecessors, (153), 153 states have call successors, (153) [2022-10-15 21:11:34,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 993 states to 993 states and 1397 transitions. [2022-10-15 21:11:34,973 INFO L78 Accepts]: Start accepts. Automaton has 993 states and 1397 transitions. Word has length 71 [2022-10-15 21:11:34,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:11:34,976 INFO L495 AbstractCegarLoop]: Abstraction has 993 states and 1397 transitions. [2022-10-15 21:11:34,976 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-10-15 21:11:34,976 INFO L276 IsEmpty]: Start isEmpty. Operand 993 states and 1397 transitions. [2022-10-15 21:11:34,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-15 21:11:34,987 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:11:34,988 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:11:34,988 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 21:11:34,988 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [__create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, __create_pipeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 21:11:34,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:11:34,989 INFO L85 PathProgramCache]: Analyzing trace with hash 1784751899, now seen corresponding path program 1 times [2022-10-15 21:11:34,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:11:34,989 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108178398] [2022-10-15 21:11:34,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:11:34,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:11:35,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:35,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:11:35,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:35,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-15 21:11:35,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:35,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-15 21:11:35,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:35,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:11:35,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:35,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-15 21:11:35,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:35,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:11:35,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:35,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-10-15 21:11:35,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:35,529 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-10-15 21:11:35,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:11:35,530 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108178398] [2022-10-15 21:11:35,530 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [108178398] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:11:35,530 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:11:35,530 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:11:35,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452634392] [2022-10-15 21:11:35,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:11:35,533 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:11:35,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:11:35,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:11:35,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:11:35,535 INFO L87 Difference]: Start difference. First operand 993 states and 1397 transitions. Second operand has 5 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-10-15 21:11:39,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:11:39,140 INFO L93 Difference]: Finished difference Result 2021 states and 2846 transitions. [2022-10-15 21:11:39,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-15 21:11:39,141 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 74 [2022-10-15 21:11:39,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:11:39,155 INFO L225 Difference]: With dead ends: 2021 [2022-10-15 21:11:39,155 INFO L226 Difference]: Without dead ends: 2017 [2022-10-15 21:11:39,157 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-15 21:11:39,158 INFO L413 NwaCegarLoop]: 1187 mSDtfsCounter, 662 mSDsluCounter, 2040 mSDsCounter, 0 mSdLazyCounter, 663 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 730 SdHoareTripleChecker+Valid, 3227 SdHoareTripleChecker+Invalid, 783 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 663 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-10-15 21:11:39,159 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [730 Valid, 3227 Invalid, 783 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 663 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-10-15 21:11:39,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2017 states. [2022-10-15 21:11:39,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2017 to 1925. [2022-10-15 21:11:39,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1925 states, 1521 states have (on average 1.4082840236686391) internal successors, (2142), 1554 states have internal predecessors, (2142), 304 states have call successors, (304), 68 states have call predecessors, (304), 68 states have return successors, (304), 304 states have call predecessors, (304), 304 states have call successors, (304) [2022-10-15 21:11:39,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1925 states to 1925 states and 2750 transitions. [2022-10-15 21:11:39,310 INFO L78 Accepts]: Start accepts. Automaton has 1925 states and 2750 transitions. Word has length 74 [2022-10-15 21:11:39,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:11:39,311 INFO L495 AbstractCegarLoop]: Abstraction has 1925 states and 2750 transitions. [2022-10-15 21:11:39,311 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-10-15 21:11:39,312 INFO L276 IsEmpty]: Start isEmpty. Operand 1925 states and 2750 transitions. [2022-10-15 21:11:39,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-15 21:11:39,313 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:11:39,314 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:11:39,314 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 21:11:39,314 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [__create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, __create_pipeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 21:11:39,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:11:39,315 INFO L85 PathProgramCache]: Analyzing trace with hash -1042184143, now seen corresponding path program 1 times [2022-10-15 21:11:39,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:11:39,315 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023868223] [2022-10-15 21:11:39,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:11:39,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:11:39,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:39,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:11:39,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:39,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-15 21:11:39,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:39,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-15 21:11:39,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:39,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:11:39,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:39,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-15 21:11:39,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:39,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:11:39,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:39,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-10-15 21:11:39,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:39,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-10-15 21:11:39,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:39,860 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-10-15 21:11:39,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:11:39,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023868223] [2022-10-15 21:11:39,861 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2023868223] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 21:11:39,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1503403074] [2022-10-15 21:11:39,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:11:39,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:11:39,862 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:11:39,865 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-15 21:11:39,894 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-15 21:11:40,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:40,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 2081 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-15 21:11:40,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 21:11:40,519 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-10-15 21:11:40,519 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 21:11:40,519 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1503403074] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:11:40,523 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-15 21:11:40,523 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 11 [2022-10-15 21:11:40,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302893851] [2022-10-15 21:11:40,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:11:40,524 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:11:40,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:11:40,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:11:40,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2022-10-15 21:11:40,529 INFO L87 Difference]: Start difference. First operand 1925 states and 2750 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 3 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2022-10-15 21:11:41,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:11:41,070 INFO L93 Difference]: Finished difference Result 4801 states and 6842 transitions. [2022-10-15 21:11:41,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-15 21:11:41,072 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 3 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 88 [2022-10-15 21:11:41,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:11:41,100 INFO L225 Difference]: With dead ends: 4801 [2022-10-15 21:11:41,101 INFO L226 Difference]: Without dead ends: 3769 [2022-10-15 21:11:41,107 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2022-10-15 21:11:41,108 INFO L413 NwaCegarLoop]: 1308 mSDtfsCounter, 717 mSDsluCounter, 3198 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 719 SdHoareTripleChecker+Valid, 4506 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 21:11:41,109 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [719 Valid, 4506 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 21:11:41,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3769 states. [2022-10-15 21:11:41,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3769 to 1973. [2022-10-15 21:11:41,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1973 states, 1557 states have (on average 1.3988439306358382) internal successors, (2178), 1590 states have internal predecessors, (2178), 316 states have call successors, (316), 68 states have call predecessors, (316), 68 states have return successors, (316), 316 states have call predecessors, (316), 316 states have call successors, (316) [2022-10-15 21:11:41,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1973 states to 1973 states and 2810 transitions. [2022-10-15 21:11:41,359 INFO L78 Accepts]: Start accepts. Automaton has 1973 states and 2810 transitions. Word has length 88 [2022-10-15 21:11:41,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:11:41,360 INFO L495 AbstractCegarLoop]: Abstraction has 1973 states and 2810 transitions. [2022-10-15 21:11:41,360 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 3 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2022-10-15 21:11:41,360 INFO L276 IsEmpty]: Start isEmpty. Operand 1973 states and 2810 transitions. [2022-10-15 21:11:41,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-10-15 21:11:41,363 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:11:41,363 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:11:41,410 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-10-15 21:11:41,578 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 [2022-10-15 21:11:41,579 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [__create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, __create_pipeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 21:11:41,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:11:41,580 INFO L85 PathProgramCache]: Analyzing trace with hash 683465159, now seen corresponding path program 1 times [2022-10-15 21:11:41,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:11:41,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912662294] [2022-10-15 21:11:41,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:11:41,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:11:41,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:42,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:11:42,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:42,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-15 21:11:42,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:42,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-15 21:11:42,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:42,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:11:42,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:42,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-15 21:11:42,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:42,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:11:42,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:42,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-10-15 21:11:42,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:42,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-10-15 21:11:42,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:42,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-10-15 21:11:42,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:42,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-10-15 21:11:42,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:42,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:11:42,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:42,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-10-15 21:11:42,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:42,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:11:42,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:42,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-10-15 21:11:42,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:42,314 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2022-10-15 21:11:42,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:11:42,315 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912662294] [2022-10-15 21:11:42,315 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1912662294] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 21:11:42,315 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2098216775] [2022-10-15 21:11:42,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:11:42,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:11:42,316 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:11:42,317 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-15 21:11:42,333 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-15 21:11:42,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:42,930 INFO L263 TraceCheckSpWp]: Trace formula consists of 2646 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-15 21:11:42,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 21:11:43,183 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-10-15 21:11:43,184 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-15 21:11:43,385 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2022-10-15 21:11:43,385 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2098216775] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-15 21:11:43,386 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-15 21:11:43,386 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 2, 3] total 9 [2022-10-15 21:11:43,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755605286] [2022-10-15 21:11:43,387 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-15 21:11:43,390 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-15 21:11:43,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:11:43,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-15 21:11:43,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-10-15 21:11:43,392 INFO L87 Difference]: Start difference. First operand 1973 states and 2810 transitions. Second operand has 10 states, 9 states have (on average 22.11111111111111) internal successors, (199), 7 states have internal predecessors, (199), 6 states have call successors, (34), 6 states have call predecessors, (34), 3 states have return successors, (33), 6 states have call predecessors, (33), 6 states have call successors, (33) [2022-10-15 21:11:47,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:11:47,696 INFO L93 Difference]: Finished difference Result 5108 states and 7192 transitions. [2022-10-15 21:11:47,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-15 21:11:47,697 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 22.11111111111111) internal successors, (199), 7 states have internal predecessors, (199), 6 states have call successors, (34), 6 states have call predecessors, (34), 3 states have return successors, (33), 6 states have call predecessors, (33), 6 states have call successors, (33) Word has length 141 [2022-10-15 21:11:47,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:11:47,735 INFO L225 Difference]: With dead ends: 5108 [2022-10-15 21:11:47,735 INFO L226 Difference]: Without dead ends: 5106 [2022-10-15 21:11:47,739 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 322 GetRequests, 306 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=110, Invalid=196, Unknown=0, NotChecked=0, Total=306 [2022-10-15 21:11:47,742 INFO L413 NwaCegarLoop]: 1442 mSDtfsCounter, 4267 mSDsluCounter, 3595 mSDsCounter, 0 mSdLazyCounter, 1944 mSolverCounterSat, 1274 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4532 SdHoareTripleChecker+Valid, 5037 SdHoareTripleChecker+Invalid, 3218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1274 IncrementalHoareTripleChecker+Valid, 1944 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-10-15 21:11:47,742 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4532 Valid, 5037 Invalid, 3218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1274 Valid, 1944 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2022-10-15 21:11:47,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5106 states. [2022-10-15 21:11:48,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5106 to 4837. [2022-10-15 21:11:48,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4837 states, 3851 states have (on average 1.3993767852505843) internal successors, (5389), 3887 states have internal predecessors, (5389), 787 states have call successors, (787), 167 states have call predecessors, (787), 167 states have return successors, (787), 787 states have call predecessors, (787), 787 states have call successors, (787) [2022-10-15 21:11:48,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4837 states to 4837 states and 6963 transitions. [2022-10-15 21:11:48,307 INFO L78 Accepts]: Start accepts. Automaton has 4837 states and 6963 transitions. Word has length 141 [2022-10-15 21:11:48,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:11:48,309 INFO L495 AbstractCegarLoop]: Abstraction has 4837 states and 6963 transitions. [2022-10-15 21:11:48,309 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 22.11111111111111) internal successors, (199), 7 states have internal predecessors, (199), 6 states have call successors, (34), 6 states have call predecessors, (34), 3 states have return successors, (33), 6 states have call predecessors, (33), 6 states have call successors, (33) [2022-10-15 21:11:48,310 INFO L276 IsEmpty]: Start isEmpty. Operand 4837 states and 6963 transitions. [2022-10-15 21:11:48,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-10-15 21:11:48,312 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:11:48,312 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:11:48,359 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-10-15 21:11:48,527 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 [2022-10-15 21:11:48,528 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [__create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, __create_pipeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 21:11:48,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:11:48,529 INFO L85 PathProgramCache]: Analyzing trace with hash -287416343, now seen corresponding path program 1 times [2022-10-15 21:11:48,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:11:48,534 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999301384] [2022-10-15 21:11:48,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:11:48,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:11:48,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:49,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:11:49,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:49,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-15 21:11:49,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:49,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-15 21:11:49,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:49,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:11:49,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:49,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-15 21:11:49,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:49,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:11:49,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:49,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-10-15 21:11:49,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:49,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-10-15 21:11:49,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:49,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-10-15 21:11:49,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:49,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-10-15 21:11:49,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:49,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:11:49,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:49,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-10-15 21:11:49,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:49,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:11:49,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:49,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-10-15 21:11:49,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:49,252 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2022-10-15 21:11:49,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:11:49,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999301384] [2022-10-15 21:11:49,253 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1999301384] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 21:11:49,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [173003144] [2022-10-15 21:11:49,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:11:49,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:11:49,254 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:11:49,260 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) [2022-10-15 21:11:49,264 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-10-15 21:11:49,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:49,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 2647 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-15 21:11:49,867 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 21:11:50,122 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-10-15 21:11:50,123 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 21:11:50,123 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [173003144] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:11:50,123 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-15 21:11:50,123 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 7 [2022-10-15 21:11:50,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817628848] [2022-10-15 21:11:50,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:11:50,124 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:11:50,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:11:50,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:11:50,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-10-15 21:11:50,127 INFO L87 Difference]: Start difference. First operand 4837 states and 6963 transitions. Second operand has 4 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-10-15 21:11:50,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:11:50,730 INFO L93 Difference]: Finished difference Result 4865 states and 6963 transitions. [2022-10-15 21:11:50,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 21:11:50,732 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 142 [2022-10-15 21:11:50,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:11:50,765 INFO L225 Difference]: With dead ends: 4865 [2022-10-15 21:11:50,765 INFO L226 Difference]: Without dead ends: 4863 [2022-10-15 21:11:50,768 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-10-15 21:11:50,770 INFO L413 NwaCegarLoop]: 840 mSDtfsCounter, 1232 mSDsluCounter, 509 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1232 SdHoareTripleChecker+Valid, 1349 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 21:11:50,771 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1232 Valid, 1349 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 21:11:50,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4863 states. [2022-10-15 21:11:51,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4863 to 4835. [2022-10-15 21:11:51,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4835 states, 3851 states have (on average 1.3962607115035055) internal successors, (5377), 3885 states have internal predecessors, (5377), 787 states have call successors, (787), 167 states have call predecessors, (787), 167 states have return successors, (787), 787 states have call predecessors, (787), 787 states have call successors, (787) [2022-10-15 21:11:51,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4835 states to 4835 states and 6951 transitions. [2022-10-15 21:11:51,276 INFO L78 Accepts]: Start accepts. Automaton has 4835 states and 6951 transitions. Word has length 142 [2022-10-15 21:11:51,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:11:51,276 INFO L495 AbstractCegarLoop]: Abstraction has 4835 states and 6951 transitions. [2022-10-15 21:11:51,277 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-10-15 21:11:51,277 INFO L276 IsEmpty]: Start isEmpty. Operand 4835 states and 6951 transitions. [2022-10-15 21:11:51,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-10-15 21:11:51,284 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:11:51,284 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:11:51,337 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-10-15 21:11:51,498 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:11:51,498 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [__create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, __create_pipeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 21:11:51,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:11:51,499 INFO L85 PathProgramCache]: Analyzing trace with hash 1614050760, now seen corresponding path program 1 times [2022-10-15 21:11:51,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:11:51,499 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721901026] [2022-10-15 21:11:51,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:11:51,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:11:51,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:53,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:11:53,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:53,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-15 21:11:53,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:53,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-15 21:11:53,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:53,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:11:53,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:53,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-15 21:11:53,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:53,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:11:53,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:53,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-10-15 21:11:53,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:53,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-10-15 21:11:53,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:53,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-10-15 21:11:53,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:53,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-10-15 21:11:53,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:53,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-10-15 21:11:53,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:53,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-10-15 21:11:53,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:53,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-10-15 21:11:53,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:53,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-10-15 21:11:53,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:53,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-10-15 21:11:53,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:53,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-10-15 21:11:53,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:53,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-10-15 21:11:53,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:53,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:11:53,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:53,991 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-10-15 21:11:53,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:11:53,992 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721901026] [2022-10-15 21:11:53,992 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721901026] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 21:11:53,992 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [443338105] [2022-10-15 21:11:53,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:11:53,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:11:53,993 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:11:53,994 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) [2022-10-15 21:11:54,017 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-10-15 21:11:54,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:54,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 2861 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-15 21:11:54,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 21:11:54,995 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2022-10-15 21:11:54,996 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 21:11:54,996 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [443338105] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:11:54,996 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-15 21:11:54,996 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [12] total 13 [2022-10-15 21:11:54,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501312968] [2022-10-15 21:11:54,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:11:54,998 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:11:54,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:11:54,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:11:54,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2022-10-15 21:11:54,999 INFO L87 Difference]: Start difference. First operand 4835 states and 6951 transitions. Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 2 states have internal predecessors, (98), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-10-15 21:11:55,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:11:55,404 INFO L93 Difference]: Finished difference Result 9663 states and 13858 transitions. [2022-10-15 21:11:55,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:11:55,405 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 2 states have internal predecessors, (98), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 166 [2022-10-15 21:11:55,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:11:55,437 INFO L225 Difference]: With dead ends: 9663 [2022-10-15 21:11:55,438 INFO L226 Difference]: Without dead ends: 4857 [2022-10-15 21:11:55,452 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2022-10-15 21:11:55,453 INFO L413 NwaCegarLoop]: 1240 mSDtfsCounter, 612 mSDsluCounter, 662 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 612 SdHoareTripleChecker+Valid, 1902 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:11:55,453 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [612 Valid, 1902 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:11:55,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4857 states. [2022-10-15 21:11:55,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4857 to 4829. [2022-10-15 21:11:55,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4829 states, 3845 states have (on average 1.3958387516254875) internal successors, (5367), 3879 states have internal predecessors, (5367), 787 states have call successors, (787), 167 states have call predecessors, (787), 167 states have return successors, (787), 787 states have call predecessors, (787), 787 states have call successors, (787) [2022-10-15 21:11:55,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4829 states to 4829 states and 6941 transitions. [2022-10-15 21:11:55,909 INFO L78 Accepts]: Start accepts. Automaton has 4829 states and 6941 transitions. Word has length 166 [2022-10-15 21:11:55,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:11:55,910 INFO L495 AbstractCegarLoop]: Abstraction has 4829 states and 6941 transitions. [2022-10-15 21:11:55,911 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 2 states have internal predecessors, (98), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-10-15 21:11:55,911 INFO L276 IsEmpty]: Start isEmpty. Operand 4829 states and 6941 transitions. [2022-10-15 21:11:55,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-10-15 21:11:55,915 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:11:55,915 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:11:55,966 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-10-15 21:11:56,131 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:11:56,131 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [__create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, __create_pipeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 21:11:56,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:11:56,132 INFO L85 PathProgramCache]: Analyzing trace with hash -583642643, now seen corresponding path program 1 times [2022-10-15 21:11:56,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:11:56,133 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258520032] [2022-10-15 21:11:56,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:11:56,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:11:56,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:58,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:11:58,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:58,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-15 21:11:58,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:58,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-15 21:11:58,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:58,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:11:58,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:58,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-15 21:11:58,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:58,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:11:58,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:58,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-10-15 21:11:58,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:58,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-10-15 21:11:58,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:58,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-10-15 21:11:58,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:58,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-10-15 21:11:58,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:58,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-10-15 21:11:58,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:58,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-10-15 21:11:58,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:58,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-10-15 21:11:58,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:58,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-10-15 21:11:58,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:58,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-10-15 21:11:58,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:58,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-10-15 21:11:58,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:58,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-10-15 21:11:58,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:58,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-10-15 21:11:58,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:58,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:11:58,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:58,410 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-10-15 21:11:58,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:11:58,410 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258520032] [2022-10-15 21:11:58,411 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258520032] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 21:11:58,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1628432335] [2022-10-15 21:11:58,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:11:58,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:11:58,412 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:11:58,413 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) [2022-10-15 21:11:58,439 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-10-15 21:11:59,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:59,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 2879 conjuncts, 46 conjunts are in the unsatisfiable core [2022-10-15 21:11:59,112 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 21:11:59,530 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 46 proven. 7 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2022-10-15 21:11:59,530 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-15 21:12:00,090 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-10-15 21:12:00,090 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1628432335] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-15 21:12:00,090 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-15 21:12:00,091 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 9, 10] total 28 [2022-10-15 21:12:00,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114929325] [2022-10-15 21:12:00,091 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-15 21:12:00,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-10-15 21:12:00,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:12:00,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-10-15 21:12:00,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=671, Unknown=0, NotChecked=0, Total=756 [2022-10-15 21:12:00,095 INFO L87 Difference]: Start difference. First operand 4829 states and 6941 transitions. Second operand has 28 states, 28 states have (on average 6.107142857142857) internal successors, (171), 20 states have internal predecessors, (171), 6 states have call successors, (45), 5 states have call predecessors, (45), 9 states have return successors, (41), 12 states have call predecessors, (41), 6 states have call successors, (41)