/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-9ec4f65-1-110_1a-drivers--rtc--rtc-tegra.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 14:05:38,684 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 14:05:38,688 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 14:05:38,749 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 14:05:38,750 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 14:05:38,755 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 14:05:38,760 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 14:05:38,785 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 14:05:38,788 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 14:05:38,797 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 14:05:38,798 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 14:05:38,799 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 14:05:38,800 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 14:05:38,805 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 14:05:38,809 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 14:05:38,810 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 14:05:38,812 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 14:05:38,813 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 14:05:38,817 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 14:05:38,825 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 14:05:38,830 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 14:05:38,832 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 14:05:38,834 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 14:05:38,835 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 14:05:38,847 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 14:05:38,848 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 14:05:38,848 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 14:05:38,849 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 14:05:38,851 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 14:05:38,853 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 14:05:38,853 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 14:05:38,854 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 14:05:38,856 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 14:05:38,857 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 14:05:38,858 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 14:05:38,859 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 14:05:38,860 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 14:05:38,860 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 14:05:38,860 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 14:05:38,861 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 14:05:38,862 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 14:05:38,863 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 14:05:38,915 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 14:05:38,916 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 14:05:38,917 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 14:05:38,917 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 14:05:38,919 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 14:05:38,919 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 14:05:38,922 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 14:05:38,922 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 14:05:38,922 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 14:05:38,923 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 14:05:38,924 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 14:05:38,924 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 14:05:38,924 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 14:05:38,925 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 14:05:38,925 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 14:05:38,925 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 14:05:38,925 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 14:05:38,925 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 14:05:38,925 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 14:05:38,926 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 14:05:38,926 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 14:05:38,926 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 14:05:38,926 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 14:05:38,926 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 14:05:38,927 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 14:05:38,927 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 14:05:38,927 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 14:05:38,927 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 14:05:38,928 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 14:05:38,928 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 14:05:38,928 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 14:05:38,928 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 14:05:38,929 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 14:05:38,929 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 14:05:39,331 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 14:05:39,375 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 14:05:39,378 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 14:05:39,380 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 14:05:39,381 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 14:05:39,382 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-9ec4f65-1-110_1a-drivers--rtc--rtc-tegra.ko-entry_point.cil.out.i [2022-10-16 14:05:39,458 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80a6ca9e8/aa426781e9bc4b689eecbd4d6fff28db/FLAGcfe2daef8 [2022-10-16 14:05:40,539 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 14:05:40,541 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-9ec4f65-1-110_1a-drivers--rtc--rtc-tegra.ko-entry_point.cil.out.i [2022-10-16 14:05:40,584 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80a6ca9e8/aa426781e9bc4b689eecbd4d6fff28db/FLAGcfe2daef8 [2022-10-16 14:05:41,083 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80a6ca9e8/aa426781e9bc4b689eecbd4d6fff28db [2022-10-16 14:05:41,086 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 14:05:41,092 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 14:05:41,094 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 14:05:41,094 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 14:05:41,098 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 14:05:41,099 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:05:41" (1/1) ... [2022-10-16 14:05:41,102 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e0d077b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:05:41, skipping insertion in model container [2022-10-16 14:05:41,102 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:05:41" (1/1) ... [2022-10-16 14:05:41,111 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 14:05:41,202 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 14:05:41,738 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-9ec4f65-1-110_1a-drivers--rtc--rtc-tegra.ko-entry_point.cil.out.i[49178,49191] [2022-10-16 14:05:42,258 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 14:05:42,281 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 14:05:42,357 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-9ec4f65-1-110_1a-drivers--rtc--rtc-tegra.ko-entry_point.cil.out.i[49178,49191] [2022-10-16 14:05:42,429 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 14:05:42,468 INFO L208 MainTranslator]: Completed translation [2022-10-16 14:05:42,468 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:05:42 WrapperNode [2022-10-16 14:05:42,469 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 14:05:42,470 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 14:05:42,470 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 14:05:42,470 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 14:05:42,479 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:05:42" (1/1) ... [2022-10-16 14:05:42,518 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:05:42" (1/1) ... [2022-10-16 14:05:42,588 INFO L138 Inliner]: procedures = 117, calls = 360, calls flagged for inlining = 51, calls inlined = 35, statements flattened = 877 [2022-10-16 14:05:42,588 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 14:05:42,589 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 14:05:42,589 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 14:05:42,589 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 14:05:42,601 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:05:42" (1/1) ... [2022-10-16 14:05:42,601 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:05:42" (1/1) ... [2022-10-16 14:05:42,615 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:05:42" (1/1) ... [2022-10-16 14:05:42,615 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:05:42" (1/1) ... [2022-10-16 14:05:42,663 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:05:42" (1/1) ... [2022-10-16 14:05:42,685 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:05:42" (1/1) ... [2022-10-16 14:05:42,700 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:05:42" (1/1) ... [2022-10-16 14:05:42,710 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:05:42" (1/1) ... [2022-10-16 14:05:42,721 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 14:05:42,722 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 14:05:42,722 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 14:05:42,722 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 14:05:42,723 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:05:42" (1/1) ... [2022-10-16 14:05:42,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 14:05:42,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:05:42,763 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 14:05:42,765 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 14:05:42,829 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-10-16 14:05:42,830 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-10-16 14:05:42,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-16 14:05:42,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-16 14:05:42,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-16 14:05:42,831 INFO L130 BoogieDeclarations]: Found specification of procedure rtc_time_to_tm [2022-10-16 14:05:42,831 INFO L138 BoogieDeclarations]: Found implementation of procedure rtc_time_to_tm [2022-10-16 14:05:42,833 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_proc [2022-10-16 14:05:42,834 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_proc [2022-10-16 14:05:42,834 INFO L130 BoogieDeclarations]: Found specification of procedure irq_set_irq_wake [2022-10-16 14:05:42,835 INFO L138 BoogieDeclarations]: Found implementation of procedure irq_set_irq_wake [2022-10-16 14:05:42,835 INFO L130 BoogieDeclarations]: Found specification of procedure outer_sync [2022-10-16 14:05:42,835 INFO L138 BoogieDeclarations]: Found implementation of procedure outer_sync [2022-10-16 14:05:42,835 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_remove [2022-10-16 14:05:42,835 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_remove [2022-10-16 14:05:42,835 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_shutdown [2022-10-16 14:05:42,836 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_shutdown [2022-10-16 14:05:42,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-16 14:05:42,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-16 14:05:42,836 INFO L130 BoogieDeclarations]: Found specification of procedure rtc_tm_to_time [2022-10-16 14:05:42,836 INFO L138 BoogieDeclarations]: Found implementation of procedure rtc_tm_to_time [2022-10-16 14:05:42,836 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-10-16 14:05:42,836 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-10-16 14:05:42,837 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-16 14:05:42,837 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-16 14:05:42,837 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_set_alarm [2022-10-16 14:05:42,837 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_set_alarm [2022-10-16 14:05:42,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-16 14:05:42,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-16 14:05:42,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-16 14:05:42,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_check [2022-10-16 14:05:42,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_check [2022-10-16 14:05:42,838 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_alarm_irq_enable [2022-10-16 14:05:42,838 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_alarm_irq_enable [2022-10-16 14:05:42,838 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_iounmap [2022-10-16 14:05:42,838 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_iounmap [2022-10-16 14:05:42,839 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-16 14:05:42,839 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-16 14:05:42,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-16 14:05:42,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 14:05:42,839 INFO L130 BoogieDeclarations]: Found specification of procedure rtc_device_unregister [2022-10-16 14:05:42,839 INFO L138 BoogieDeclarations]: Found implementation of procedure rtc_device_unregister [2022-10-16 14:05:42,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-16 14:05:42,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-10-16 14:05:42,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-10-16 14:05:42,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-16 14:05:42,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-10-16 14:05:42,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-10-16 14:05:42,840 INFO L130 BoogieDeclarations]: Found specification of procedure device_may_wakeup [2022-10-16 14:05:42,841 INFO L138 BoogieDeclarations]: Found implementation of procedure device_may_wakeup [2022-10-16 14:05:42,841 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-10-16 14:05:42,842 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-10-16 14:05:42,842 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2022-10-16 14:05:42,843 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2022-10-16 14:05:42,843 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-16 14:05:42,844 INFO L130 BoogieDeclarations]: Found specification of procedure platform_set_drvdata [2022-10-16 14:05:42,844 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_set_drvdata [2022-10-16 14:05:42,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-16 14:05:42,845 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2022-10-16 14:05:42,845 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2022-10-16 14:05:42,845 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_read_time [2022-10-16 14:05:42,846 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_read_time [2022-10-16 14:05:42,847 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_wait_while_busy [2022-10-16 14:05:42,847 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_wait_while_busy [2022-10-16 14:05:42,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 14:05:42,847 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2022-10-16 14:05:42,847 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2022-10-16 14:05:42,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-10-16 14:05:42,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-10-16 14:05:42,849 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_set_time [2022-10-16 14:05:42,849 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_set_time [2022-10-16 14:05:42,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 14:05:42,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 14:05:43,288 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 14:05:43,292 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 14:05:43,579 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-16 14:05:44,581 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 14:05:44,603 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 14:05:44,603 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 14:05:44,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:05:44 BoogieIcfgContainer [2022-10-16 14:05:44,609 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 14:05:44,611 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 14:05:44,615 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 14:05:44,619 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 14:05:44,619 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 02:05:41" (1/3) ... [2022-10-16 14:05:44,621 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4972594f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:05:44, skipping insertion in model container [2022-10-16 14:05:44,621 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:05:42" (2/3) ... [2022-10-16 14:05:44,622 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4972594f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:05:44, skipping insertion in model container [2022-10-16 14:05:44,622 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:05:44" (3/3) ... [2022-10-16 14:05:44,624 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-stable-9ec4f65-1-110_1a-drivers--rtc--rtc-tegra.ko-entry_point.cil.out.i [2022-10-16 14:05:44,647 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 14:05:44,647 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2022-10-16 14:05:44,725 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 14:05:44,735 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;@34bcec4a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 14:05:44,736 INFO L358 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2022-10-16 14:05:44,743 INFO L276 IsEmpty]: Start isEmpty. Operand has 426 states, 302 states have (on average 1.400662251655629) internal successors, (423), 325 states have internal predecessors, (423), 79 states have call successors, (79), 31 states have call predecessors, (79), 30 states have return successors, (73), 73 states have call predecessors, (73), 73 states have call successors, (73) [2022-10-16 14:05:44,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-16 14:05:44,763 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:05:44,764 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] [2022-10-16 14:05:44,765 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [tegra_rtc_wait_while_busyErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, tegra_rtc_wait_while_busyErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 12 more)] === [2022-10-16 14:05:44,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:05:44,772 INFO L85 PathProgramCache]: Analyzing trace with hash 615490511, now seen corresponding path program 1 times [2022-10-16 14:05:44,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:05:44,785 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833984371] [2022-10-16 14:05:44,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:05:44,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:05:45,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:05:45,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:05:45,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:05:45,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:05:45,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:05:45,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833984371] [2022-10-16 14:05:45,388 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833984371] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:05:45,388 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:05:45,388 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 14:05:45,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515878071] [2022-10-16 14:05:45,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:05:45,398 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:05:45,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:05:45,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:05:45,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:05:45,453 INFO L87 Difference]: Start difference. First operand has 426 states, 302 states have (on average 1.400662251655629) internal successors, (423), 325 states have internal predecessors, (423), 79 states have call successors, (79), 31 states have call predecessors, (79), 30 states have return successors, (73), 73 states have call predecessors, (73), 73 states have call successors, (73) Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 14:05:46,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:05:46,897 INFO L93 Difference]: Finished difference Result 1286 states and 1911 transitions. [2022-10-16 14:05:46,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 14:05:46,901 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2022-10-16 14:05:46,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:05:46,925 INFO L225 Difference]: With dead ends: 1286 [2022-10-16 14:05:46,925 INFO L226 Difference]: Without dead ends: 832 [2022-10-16 14:05:46,940 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 14:05:46,945 INFO L413 NwaCegarLoop]: 596 mSDtfsCounter, 668 mSDsluCounter, 571 mSDsCounter, 0 mSdLazyCounter, 525 mSolverCounterSat, 216 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 714 SdHoareTripleChecker+Valid, 1167 SdHoareTripleChecker+Invalid, 741 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 216 IncrementalHoareTripleChecker+Valid, 525 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:05:46,946 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [714 Valid, 1167 Invalid, 741 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [216 Valid, 525 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-10-16 14:05:46,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 832 states. [2022-10-16 14:05:47,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 832 to 665. [2022-10-16 14:05:47,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 665 states, 486 states have (on average 1.3477366255144032) internal successors, (655), 503 states have internal predecessors, (655), 119 states have call successors, (119), 46 states have call predecessors, (119), 46 states have return successors, (119), 119 states have call predecessors, (119), 119 states have call successors, (119) [2022-10-16 14:05:47,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 665 states and 893 transitions. [2022-10-16 14:05:47,126 INFO L78 Accepts]: Start accepts. Automaton has 665 states and 893 transitions. Word has length 25 [2022-10-16 14:05:47,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:05:47,127 INFO L495 AbstractCegarLoop]: Abstraction has 665 states and 893 transitions. [2022-10-16 14:05:47,127 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 14:05:47,127 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 893 transitions. [2022-10-16 14:05:47,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-16 14:05:47,131 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:05:47,132 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:05:47,132 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 14:05:47,132 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [tegra_rtc_wait_while_busyErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, tegra_rtc_wait_while_busyErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 12 more)] === [2022-10-16 14:05:47,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:05:47,133 INFO L85 PathProgramCache]: Analyzing trace with hash 109468249, now seen corresponding path program 1 times [2022-10-16 14:05:47,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:05:47,134 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288080303] [2022-10-16 14:05:47,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:05:47,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:05:47,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:05:47,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:05:47,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:05:47,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:05:47,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:05:47,277 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288080303] [2022-10-16 14:05:47,279 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288080303] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:05:47,279 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:05:47,279 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 14:05:47,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533647460] [2022-10-16 14:05:47,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:05:47,284 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:05:47,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:05:47,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:05:47,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:05:47,285 INFO L87 Difference]: Start difference. First operand 665 states and 893 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 14:05:47,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:05:47,777 INFO L93 Difference]: Finished difference Result 1189 states and 1593 transitions. [2022-10-16 14:05:47,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 14:05:47,778 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2022-10-16 14:05:47,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:05:47,784 INFO L225 Difference]: With dead ends: 1189 [2022-10-16 14:05:47,785 INFO L226 Difference]: Without dead ends: 541 [2022-10-16 14:05:47,788 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 14:05:47,790 INFO L413 NwaCegarLoop]: 375 mSDtfsCounter, 544 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 121 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 574 SdHoareTripleChecker+Valid, 523 SdHoareTripleChecker+Invalid, 285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 121 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 14:05:47,791 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [574 Valid, 523 Invalid, 285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [121 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 14:05:47,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 541 states. [2022-10-16 14:05:47,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 541 to 414. [2022-10-16 14:05:47,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 414 states, 308 states have (on average 1.3084415584415585) internal successors, (403), 319 states have internal predecessors, (403), 64 states have call successors, (64), 32 states have call predecessors, (64), 32 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) [2022-10-16 14:05:47,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 531 transitions. [2022-10-16 14:05:47,839 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 531 transitions. Word has length 26 [2022-10-16 14:05:47,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:05:47,839 INFO L495 AbstractCegarLoop]: Abstraction has 414 states and 531 transitions. [2022-10-16 14:05:47,840 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 14:05:47,840 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 531 transitions. [2022-10-16 14:05:47,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-16 14:05:47,844 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:05:47,844 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:05:47,844 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 14:05:47,845 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting tegra_rtc_wait_while_busyErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [tegra_rtc_wait_while_busyErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, tegra_rtc_wait_while_busyErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 12 more)] === [2022-10-16 14:05:47,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:05:47,846 INFO L85 PathProgramCache]: Analyzing trace with hash 2113993283, now seen corresponding path program 1 times [2022-10-16 14:05:47,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:05:47,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608524629] [2022-10-16 14:05:47,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:05:47,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:05:47,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:05:48,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:05:48,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:05:48,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-16 14:05:48,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:05:48,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:05:48,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:05:48,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-16 14:05:48,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:05:48,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:05:48,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:05:48,113 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-16 14:05:48,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:05:48,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608524629] [2022-10-16 14:05:48,114 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [608524629] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:05:48,114 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:05:48,115 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 14:05:48,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886070525] [2022-10-16 14:05:48,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:05:48,116 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 14:05:48,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:05:48,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 14:05:48,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 14:05:48,117 INFO L87 Difference]: Start difference. First operand 414 states and 531 transitions. Second operand has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 4 states have internal predecessors, (33), 3 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-10-16 14:05:48,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:05:48,783 INFO L93 Difference]: Finished difference Result 961 states and 1261 transitions. [2022-10-16 14:05:48,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 14:05:48,784 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 4 states have internal predecessors, (33), 3 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 51 [2022-10-16 14:05:48,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:05:48,789 INFO L225 Difference]: With dead ends: 961 [2022-10-16 14:05:48,789 INFO L226 Difference]: Without dead ends: 564 [2022-10-16 14:05:48,792 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2022-10-16 14:05:48,794 INFO L413 NwaCegarLoop]: 381 mSDtfsCounter, 690 mSDsluCounter, 671 mSDsCounter, 0 mSdLazyCounter, 490 mSolverCounterSat, 200 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 721 SdHoareTripleChecker+Valid, 1052 SdHoareTripleChecker+Invalid, 690 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 200 IncrementalHoareTripleChecker+Valid, 490 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 14:05:48,794 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [721 Valid, 1052 Invalid, 690 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [200 Valid, 490 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 14:05:48,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2022-10-16 14:05:48,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 424. [2022-10-16 14:05:48,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 424 states, 316 states have (on average 1.2974683544303798) internal successors, (410), 327 states have internal predecessors, (410), 64 states have call successors, (64), 34 states have call predecessors, (64), 34 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) [2022-10-16 14:05:48,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 538 transitions. [2022-10-16 14:05:48,844 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 538 transitions. Word has length 51 [2022-10-16 14:05:48,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:05:48,845 INFO L495 AbstractCegarLoop]: Abstraction has 424 states and 538 transitions. [2022-10-16 14:05:48,845 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 4 states have internal predecessors, (33), 3 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-10-16 14:05:48,845 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 538 transitions. [2022-10-16 14:05:48,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-16 14:05:48,848 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:05:48,849 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:05:48,849 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 14:05:48,849 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting tegra_rtc_wait_while_busyErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [tegra_rtc_wait_while_busyErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, tegra_rtc_wait_while_busyErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 12 more)] === [2022-10-16 14:05:48,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:05:48,850 INFO L85 PathProgramCache]: Analyzing trace with hash 465450528, now seen corresponding path program 1 times [2022-10-16 14:05:48,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:05:48,851 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282851026] [2022-10-16 14:05:48,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:05:48,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:05:48,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:05:49,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:05:49,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:05:49,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-16 14:05:49,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:05:49,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:05:49,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:05:49,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-16 14:05:49,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:05:49,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:05:49,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:05:49,130 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-16 14:05:49,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:05:49,132 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282851026] [2022-10-16 14:05:49,132 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [282851026] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:05:49,132 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:05:49,132 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 14:05:49,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832535207] [2022-10-16 14:05:49,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:05:49,133 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 14:05:49,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:05:49,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 14:05:49,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 14:05:49,136 INFO L87 Difference]: Start difference. First operand 424 states and 538 transitions. Second operand has 7 states, 7 states have (on average 5.0) internal successors, (35), 4 states have internal predecessors, (35), 3 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-10-16 14:05:49,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:05:49,852 INFO L93 Difference]: Finished difference Result 981 states and 1270 transitions. [2022-10-16 14:05:49,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 14:05:49,853 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.0) internal successors, (35), 4 states have internal predecessors, (35), 3 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 53 [2022-10-16 14:05:49,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:05:49,858 INFO L225 Difference]: With dead ends: 981 [2022-10-16 14:05:49,858 INFO L226 Difference]: Without dead ends: 574 [2022-10-16 14:05:49,861 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2022-10-16 14:05:49,862 INFO L413 NwaCegarLoop]: 379 mSDtfsCounter, 683 mSDsluCounter, 667 mSDsCounter, 0 mSdLazyCounter, 488 mSolverCounterSat, 200 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 714 SdHoareTripleChecker+Valid, 1046 SdHoareTripleChecker+Invalid, 688 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 200 IncrementalHoareTripleChecker+Valid, 488 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 14:05:49,863 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [714 Valid, 1046 Invalid, 688 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [200 Valid, 488 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 14:05:49,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states. [2022-10-16 14:05:49,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 434. [2022-10-16 14:05:49,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 434 states, 324 states have (on average 1.287037037037037) internal successors, (417), 335 states have internal predecessors, (417), 64 states have call successors, (64), 36 states have call predecessors, (64), 36 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) [2022-10-16 14:05:49,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 545 transitions. [2022-10-16 14:05:49,912 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 545 transitions. Word has length 53 [2022-10-16 14:05:49,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:05:49,912 INFO L495 AbstractCegarLoop]: Abstraction has 434 states and 545 transitions. [2022-10-16 14:05:49,912 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.0) internal successors, (35), 4 states have internal predecessors, (35), 3 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-10-16 14:05:49,913 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 545 transitions. [2022-10-16 14:05:49,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-16 14:05:49,915 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:05:49,915 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:05:49,915 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 14:05:49,916 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting tegra_rtc_wait_while_busyErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [tegra_rtc_wait_while_busyErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, tegra_rtc_wait_while_busyErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 12 more)] === [2022-10-16 14:05:49,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:05:49,916 INFO L85 PathProgramCache]: Analyzing trace with hash 441939799, now seen corresponding path program 1 times [2022-10-16 14:05:49,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:05:49,917 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921227132] [2022-10-16 14:05:49,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:05:49,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:05:49,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:05:50,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:05:50,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:05:50,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-16 14:05:50,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:05:50,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:05:50,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:05:50,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-16 14:05:50,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:05:50,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:05:50,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:05:50,102 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-16 14:05:50,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:05:50,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921227132] [2022-10-16 14:05:50,103 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [921227132] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:05:50,103 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:05:50,103 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 14:05:50,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633367722] [2022-10-16 14:05:50,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:05:50,104 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 14:05:50,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:05:50,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 14:05:50,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 14:05:50,105 INFO L87 Difference]: Start difference. First operand 434 states and 545 transitions. Second operand has 7 states, 7 states have (on average 4.857142857142857) internal successors, (34), 4 states have internal predecessors, (34), 3 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-10-16 14:05:50,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:05:50,964 INFO L93 Difference]: Finished difference Result 1001 states and 1279 transitions. [2022-10-16 14:05:50,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 14:05:50,965 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.857142857142857) internal successors, (34), 4 states have internal predecessors, (34), 3 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 52 [2022-10-16 14:05:50,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:05:50,970 INFO L225 Difference]: With dead ends: 1001 [2022-10-16 14:05:50,970 INFO L226 Difference]: Without dead ends: 584 [2022-10-16 14:05:50,972 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2022-10-16 14:05:50,977 INFO L413 NwaCegarLoop]: 379 mSDtfsCounter, 541 mSDsluCounter, 817 mSDsCounter, 0 mSdLazyCounter, 615 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 570 SdHoareTripleChecker+Valid, 1196 SdHoareTripleChecker+Invalid, 741 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 615 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 14:05:50,978 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [570 Valid, 1196 Invalid, 741 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 615 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 14:05:50,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 584 states. [2022-10-16 14:05:51,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 584 to 444. [2022-10-16 14:05:51,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 444 states, 332 states have (on average 1.2771084337349397) internal successors, (424), 343 states have internal predecessors, (424), 64 states have call successors, (64), 38 states have call predecessors, (64), 38 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) [2022-10-16 14:05:51,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 552 transitions. [2022-10-16 14:05:51,039 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 552 transitions. Word has length 52 [2022-10-16 14:05:51,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:05:51,042 INFO L495 AbstractCegarLoop]: Abstraction has 444 states and 552 transitions. [2022-10-16 14:05:51,042 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.857142857142857) internal successors, (34), 4 states have internal predecessors, (34), 3 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-10-16 14:05:51,042 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 552 transitions. [2022-10-16 14:05:51,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-16 14:05:51,045 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:05:51,045 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:05:51,045 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 14:05:51,046 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting tegra_rtc_wait_while_busyErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [tegra_rtc_wait_while_busyErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, tegra_rtc_wait_while_busyErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 12 more)] === [2022-10-16 14:05:51,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:05:51,048 INFO L85 PathProgramCache]: Analyzing trace with hash -1285508902, now seen corresponding path program 1 times [2022-10-16 14:05:51,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:05:51,049 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584077819] [2022-10-16 14:05:51,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:05:51,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:05:51,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:05:51,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:05:51,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:05:51,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 14:05:51,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:05:51,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:05:51,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:05:51,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 14:05:51,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:05:51,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:05:51,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:05:51,263 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-16 14:05:51,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:05:51,264 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584077819] [2022-10-16 14:05:51,264 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1584077819] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:05:51,264 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:05:51,264 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 14:05:51,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096848675] [2022-10-16 14:05:51,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:05:51,266 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 14:05:51,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:05:51,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 14:05:51,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 14:05:51,274 INFO L87 Difference]: Start difference. First operand 444 states and 552 transitions. Second operand has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 4 states have internal predecessors, (32), 3 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-10-16 14:05:52,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:05:52,535 INFO L93 Difference]: Finished difference Result 1425 states and 1804 transitions. [2022-10-16 14:05:52,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-16 14:05:52,536 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 4 states have internal predecessors, (32), 3 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 50 [2022-10-16 14:05:52,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:05:52,543 INFO L225 Difference]: With dead ends: 1425 [2022-10-16 14:05:52,543 INFO L226 Difference]: Without dead ends: 998 [2022-10-16 14:05:52,545 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2022-10-16 14:05:52,546 INFO L413 NwaCegarLoop]: 463 mSDtfsCounter, 591 mSDsluCounter, 1159 mSDsCounter, 0 mSdLazyCounter, 1076 mSolverCounterSat, 170 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 627 SdHoareTripleChecker+Valid, 1622 SdHoareTripleChecker+Invalid, 1246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 170 IncrementalHoareTripleChecker+Valid, 1076 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:05:52,547 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [627 Valid, 1622 Invalid, 1246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [170 Valid, 1076 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-10-16 14:05:52,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 998 states. [2022-10-16 14:05:52,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 998 to 748. [2022-10-16 14:05:52,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 748 states, 564 states have (on average 1.2854609929078014) internal successors, (725), 578 states have internal predecessors, (725), 105 states have call successors, (105), 64 states have call predecessors, (105), 69 states have return successors, (121), 107 states have call predecessors, (121), 105 states have call successors, (121) [2022-10-16 14:05:52,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 748 states and 951 transitions. [2022-10-16 14:05:52,634 INFO L78 Accepts]: Start accepts. Automaton has 748 states and 951 transitions. Word has length 50 [2022-10-16 14:05:52,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:05:52,635 INFO L495 AbstractCegarLoop]: Abstraction has 748 states and 951 transitions. [2022-10-16 14:05:52,635 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 4 states have internal predecessors, (32), 3 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-10-16 14:05:52,635 INFO L276 IsEmpty]: Start isEmpty. Operand 748 states and 951 transitions. [2022-10-16 14:05:52,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-16 14:05:52,637 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:05:52,637 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-10-16 14:05:52,638 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 14:05:52,638 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [tegra_rtc_wait_while_busyErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, tegra_rtc_wait_while_busyErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 12 more)] === [2022-10-16 14:05:52,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:05:52,638 INFO L85 PathProgramCache]: Analyzing trace with hash 612927045, now seen corresponding path program 1 times [2022-10-16 14:05:52,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:05:52,639 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698360142] [2022-10-16 14:05:52,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:05:52,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:05:52,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:05:52,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:05:52,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:05:52,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-16 14:05:52,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:05:52,766 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-16 14:05:52,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:05:52,767 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698360142] [2022-10-16 14:05:52,767 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1698360142] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:05:52,767 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:05:52,767 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 14:05:52,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783296470] [2022-10-16 14:05:52,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:05:52,768 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:05:52,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:05:52,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:05:52,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:05:52,769 INFO L87 Difference]: Start difference. First operand 748 states and 951 transitions. Second operand has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 14:05:53,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:05:53,774 INFO L93 Difference]: Finished difference Result 1818 states and 2365 transitions. [2022-10-16 14:05:53,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 14:05:53,774 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (2), 1 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 43 [2022-10-16 14:05:53,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:05:53,786 INFO L225 Difference]: With dead ends: 1818 [2022-10-16 14:05:53,786 INFO L226 Difference]: Without dead ends: 1810 [2022-10-16 14:05:53,788 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 14:05:53,789 INFO L413 NwaCegarLoop]: 514 mSDtfsCounter, 567 mSDsluCounter, 377 mSDsCounter, 0 mSdLazyCounter, 489 mSolverCounterSat, 159 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 609 SdHoareTripleChecker+Valid, 891 SdHoareTripleChecker+Invalid, 648 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 159 IncrementalHoareTripleChecker+Valid, 489 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 14:05:53,789 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [609 Valid, 891 Invalid, 648 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [159 Valid, 489 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 14:05:53,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1810 states. [2022-10-16 14:05:53,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1810 to 1462. [2022-10-16 14:05:53,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1462 states, 1111 states have (on average 1.2736273627362735) internal successors, (1415), 1130 states have internal predecessors, (1415), 206 states have call successors, (206), 125 states have call predecessors, (206), 135 states have return successors, (238), 210 states have call predecessors, (238), 206 states have call successors, (238) [2022-10-16 14:05:53,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1462 states to 1462 states and 1859 transitions. [2022-10-16 14:05:53,963 INFO L78 Accepts]: Start accepts. Automaton has 1462 states and 1859 transitions. Word has length 43 [2022-10-16 14:05:53,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:05:53,964 INFO L495 AbstractCegarLoop]: Abstraction has 1462 states and 1859 transitions. [2022-10-16 14:05:53,964 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 14:05:53,964 INFO L276 IsEmpty]: Start isEmpty. Operand 1462 states and 1859 transitions. [2022-10-16 14:05:53,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-16 14:05:53,967 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:05:53,967 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] [2022-10-16 14:05:53,968 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 14:05:53,968 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting tegra_rtc_wait_while_busyErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [tegra_rtc_wait_while_busyErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, tegra_rtc_wait_while_busyErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 12 more)] === [2022-10-16 14:05:53,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:05:53,969 INFO L85 PathProgramCache]: Analyzing trace with hash -692549424, now seen corresponding path program 1 times [2022-10-16 14:05:53,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:05:53,969 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048513379] [2022-10-16 14:05:53,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:05:53,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:05:53,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:05:54,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:05:54,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:05:54,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 14:05:54,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:05:54,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 14:05:54,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:05:54,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:05:54,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:05:54,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-16 14:05:54,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:05:54,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:05:54,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:05:54,331 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-16 14:05:54,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:05:54,332 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048513379] [2022-10-16 14:05:54,332 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048513379] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:05:54,332 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1508637382] [2022-10-16 14:05:54,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:05:54,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:05:54,333 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:05:54,336 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:05:54,364 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-16 14:05:54,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:05:54,557 INFO L263 TraceCheckSpWp]: Trace formula consists of 614 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-16 14:05:54,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:05:54,629 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-10-16 14:05:54,630 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 14:05:54,630 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1508637382] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:05:54,630 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 14:05:54,630 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [10] total 11 [2022-10-16 14:05:54,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200446184] [2022-10-16 14:05:54,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:05:54,632 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 14:05:54,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:05:54,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 14:05:54,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-10-16 14:05:54,635 INFO L87 Difference]: Start difference. First operand 1462 states and 1859 transitions. Second operand has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-10-16 14:05:54,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:05:54,874 INFO L93 Difference]: Finished difference Result 1462 states and 1859 transitions. [2022-10-16 14:05:54,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 14:05:54,875 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 62 [2022-10-16 14:05:54,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:05:54,888 INFO L225 Difference]: With dead ends: 1462 [2022-10-16 14:05:54,888 INFO L226 Difference]: Without dead ends: 1461 [2022-10-16 14:05:54,890 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-10-16 14:05:54,892 INFO L413 NwaCegarLoop]: 367 mSDtfsCounter, 8 mSDsluCounter, 356 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 723 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:05:54,893 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 723 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:05:54,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1461 states. [2022-10-16 14:05:55,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1461 to 1461. [2022-10-16 14:05:55,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1461 states, 1111 states have (on average 1.2682268226822682) internal successors, (1409), 1129 states have internal predecessors, (1409), 206 states have call successors, (206), 125 states have call predecessors, (206), 135 states have return successors, (238), 210 states have call predecessors, (238), 206 states have call successors, (238) [2022-10-16 14:05:55,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1461 states to 1461 states and 1853 transitions. [2022-10-16 14:05:55,072 INFO L78 Accepts]: Start accepts. Automaton has 1461 states and 1853 transitions. Word has length 62 [2022-10-16 14:05:55,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:05:55,073 INFO L495 AbstractCegarLoop]: Abstraction has 1461 states and 1853 transitions. [2022-10-16 14:05:55,073 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-10-16 14:05:55,073 INFO L276 IsEmpty]: Start isEmpty. Operand 1461 states and 1853 transitions. [2022-10-16 14:05:55,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-16 14:05:55,076 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:05:55,076 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] [2022-10-16 14:05:55,123 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-10-16 14:05:55,290 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:05:55,290 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting tegra_rtc_wait_while_busyErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [tegra_rtc_wait_while_busyErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, tegra_rtc_wait_while_busyErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 12 more)] === [2022-10-16 14:05:55,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:05:55,291 INFO L85 PathProgramCache]: Analyzing trace with hash 5804556, now seen corresponding path program 1 times [2022-10-16 14:05:55,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:05:55,292 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627381045] [2022-10-16 14:05:55,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:05:55,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:05:55,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:05:55,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:05:55,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:05:55,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 14:05:55,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:05:55,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 14:05:55,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:05:55,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:05:55,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:05:55,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-16 14:05:55,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:05:55,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:05:55,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:05:55,615 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-16 14:05:55,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:05:55,615 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627381045] [2022-10-16 14:05:55,615 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627381045] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:05:55,615 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1321191209] [2022-10-16 14:05:55,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:05:55,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:05:55,616 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:05:55,617 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:05:55,628 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-16 14:05:55,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:05:55,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 615 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-16 14:05:55,822 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:05:55,846 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-10-16 14:05:55,846 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 14:05:55,847 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1321191209] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:05:55,847 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 14:05:55,847 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [10] total 11 [2022-10-16 14:05:55,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700180541] [2022-10-16 14:05:55,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:05:55,848 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 14:05:55,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:05:55,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 14:05:55,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-10-16 14:05:55,850 INFO L87 Difference]: Start difference. First operand 1461 states and 1853 transitions. Second operand has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-10-16 14:05:55,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:05:55,971 INFO L93 Difference]: Finished difference Result 1510 states and 1919 transitions. [2022-10-16 14:05:55,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 14:05:55,971 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 63 [2022-10-16 14:05:55,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:05:55,982 INFO L225 Difference]: With dead ends: 1510 [2022-10-16 14:05:55,983 INFO L226 Difference]: Without dead ends: 1509 [2022-10-16 14:05:55,984 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-10-16 14:05:55,987 INFO L413 NwaCegarLoop]: 368 mSDtfsCounter, 2 mSDsluCounter, 365 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 733 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 [2022-10-16 14:05:55,988 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 733 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:05:55,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1509 states. [2022-10-16 14:05:56,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1509 to 1497. [2022-10-16 14:05:56,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1497 states, 1147 states have (on average 1.2650392327811684) internal successors, (1451), 1165 states have internal predecessors, (1451), 206 states have call successors, (206), 125 states have call predecessors, (206), 135 states have return successors, (238), 210 states have call predecessors, (238), 206 states have call successors, (238) [2022-10-16 14:05:56,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1497 states to 1497 states and 1895 transitions. [2022-10-16 14:05:56,165 INFO L78 Accepts]: Start accepts. Automaton has 1497 states and 1895 transitions. Word has length 63 [2022-10-16 14:05:56,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:05:56,166 INFO L495 AbstractCegarLoop]: Abstraction has 1497 states and 1895 transitions. [2022-10-16 14:05:56,166 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-10-16 14:05:56,166 INFO L276 IsEmpty]: Start isEmpty. Operand 1497 states and 1895 transitions. [2022-10-16 14:05:56,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-16 14:05:56,169 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:05:56,169 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2022-10-16 14:05:56,213 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-10-16 14:05:56,384 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,SelfDestructingSolverStorable8 [2022-10-16 14:05:56,384 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [tegra_rtc_wait_while_busyErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, tegra_rtc_wait_while_busyErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 12 more)] === [2022-10-16 14:05:56,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:05:56,385 INFO L85 PathProgramCache]: Analyzing trace with hash -354417830, now seen corresponding path program 1 times [2022-10-16 14:05:56,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:05:56,386 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698457218] [2022-10-16 14:05:56,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:05:56,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:05:56,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:05:56,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:05:56,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:05:56,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-16 14:05:56,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:05:56,521 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-16 14:05:56,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:05:56,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698457218] [2022-10-16 14:05:56,522 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698457218] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:05:56,522 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:05:56,523 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 14:05:56,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463571199] [2022-10-16 14:05:56,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:05:56,523 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:05:56,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:05:56,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:05:56,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:05:56,524 INFO L87 Difference]: Start difference. First operand 1497 states and 1895 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 14:05:57,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:05:57,637 INFO L93 Difference]: Finished difference Result 4541 states and 5789 transitions. [2022-10-16 14:05:57,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 14:05:57,637 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 58 [2022-10-16 14:05:57,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:05:57,658 INFO L225 Difference]: With dead ends: 4541 [2022-10-16 14:05:57,658 INFO L226 Difference]: Without dead ends: 3068 [2022-10-16 14:05:57,665 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 14:05:57,666 INFO L413 NwaCegarLoop]: 674 mSDtfsCounter, 420 mSDsluCounter, 378 mSDsCounter, 0 mSdLazyCounter, 501 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 451 SdHoareTripleChecker+Valid, 1052 SdHoareTripleChecker+Invalid, 632 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 501 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 14:05:57,666 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [451 Valid, 1052 Invalid, 632 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 501 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 14:05:57,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3068 states. [2022-10-16 14:05:57,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3068 to 2407. [2022-10-16 14:05:57,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2407 states, 1845 states have (on average 1.2449864498644987) internal successors, (2297), 1869 states have internal predecessors, (2297), 314 states have call successors, (314), 219 states have call predecessors, (314), 239 states have return successors, (362), 324 states have call predecessors, (362), 314 states have call successors, (362) [2022-10-16 14:05:57,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2407 states to 2407 states and 2973 transitions. [2022-10-16 14:05:57,929 INFO L78 Accepts]: Start accepts. Automaton has 2407 states and 2973 transitions. Word has length 58 [2022-10-16 14:05:57,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:05:57,930 INFO L495 AbstractCegarLoop]: Abstraction has 2407 states and 2973 transitions. [2022-10-16 14:05:57,930 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 14:05:57,930 INFO L276 IsEmpty]: Start isEmpty. Operand 2407 states and 2973 transitions. [2022-10-16 14:05:57,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-10-16 14:05:57,934 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:05:57,934 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-10-16 14:05:57,934 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 14:05:57,935 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting tegra_rtc_wait_while_busyErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [tegra_rtc_wait_while_busyErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, tegra_rtc_wait_while_busyErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 12 more)] === [2022-10-16 14:05:57,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:05:57,935 INFO L85 PathProgramCache]: Analyzing trace with hash -338337472, now seen corresponding path program 1 times [2022-10-16 14:05:57,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:05:57,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661574794] [2022-10-16 14:05:57,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:05:57,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:05:57,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:05:58,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:05:58,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:05:58,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 14:05:58,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:05:58,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 14:05:58,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:05:58,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:05:58,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:05:58,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-16 14:05:58,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:05:58,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:05:58,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:05:58,208 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-10-16 14:05:58,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:05:58,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661574794] [2022-10-16 14:05:58,209 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [661574794] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:05:58,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1170301528] [2022-10-16 14:05:58,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:05:58,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:05:58,210 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:05:58,211 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:05:58,235 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-10-16 14:05:58,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:05:58,446 INFO L263 TraceCheckSpWp]: Trace formula consists of 644 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-16 14:05:58,451 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:05:58,585 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-16 14:05:58,585 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 14:05:58,585 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1170301528] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:05:58,585 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 14:05:58,586 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 15 [2022-10-16 14:05:58,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278680053] [2022-10-16 14:05:58,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:05:58,588 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 14:05:58,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:05:58,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 14:05:58,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2022-10-16 14:05:58,589 INFO L87 Difference]: Start difference. First operand 2407 states and 2973 transitions. Second operand has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 5 states have internal predecessors, (46), 3 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-16 14:05:59,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:05:59,107 INFO L93 Difference]: Finished difference Result 5506 states and 6760 transitions. [2022-10-16 14:05:59,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-16 14:05:59,108 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 5 states have internal predecessors, (46), 3 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) Word has length 71 [2022-10-16 14:05:59,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:05:59,144 INFO L225 Difference]: With dead ends: 5506 [2022-10-16 14:05:59,145 INFO L226 Difference]: Without dead ends: 3560 [2022-10-16 14:05:59,155 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=75, Invalid=387, Unknown=0, NotChecked=0, Total=462 [2022-10-16 14:05:59,156 INFO L413 NwaCegarLoop]: 422 mSDtfsCounter, 353 mSDsluCounter, 2031 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 357 SdHoareTripleChecker+Valid, 2453 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:05:59,157 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [357 Valid, 2453 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:05:59,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3560 states. [2022-10-16 14:05:59,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3560 to 3419. [2022-10-16 14:05:59,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3419 states, 2633 states have (on average 1.2506646410938094) internal successors, (3293), 2663 states have internal predecessors, (3293), 440 states have call successors, (440), 311 states have call predecessors, (440), 337 states have return successors, (500), 450 states have call predecessors, (500), 440 states have call successors, (500) [2022-10-16 14:05:59,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3419 states to 3419 states and 4233 transitions. [2022-10-16 14:05:59,636 INFO L78 Accepts]: Start accepts. Automaton has 3419 states and 4233 transitions. Word has length 71 [2022-10-16 14:05:59,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:05:59,636 INFO L495 AbstractCegarLoop]: Abstraction has 3419 states and 4233 transitions. [2022-10-16 14:05:59,636 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 5 states have internal predecessors, (46), 3 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-16 14:05:59,637 INFO L276 IsEmpty]: Start isEmpty. Operand 3419 states and 4233 transitions. [2022-10-16 14:05:59,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-10-16 14:05:59,647 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:05:59,647 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-10-16 14:05:59,688 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-10-16 14:05:59,861 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:05:59,862 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting tegra_rtc_wait_while_busyErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [tegra_rtc_wait_while_busyErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, tegra_rtc_wait_while_busyErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 12 more)] === [2022-10-16 14:05:59,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:05:59,863 INFO L85 PathProgramCache]: Analyzing trace with hash 1996491218, now seen corresponding path program 1 times [2022-10-16 14:05:59,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:05:59,863 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051569510] [2022-10-16 14:05:59,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:05:59,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:05:59,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:00,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:06:00,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:00,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-16 14:06:00,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:00,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 14:06:00,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:00,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:06:00,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:00,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-16 14:06:00,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:00,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:06:00,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:00,149 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-16 14:06:00,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:06:00,150 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051569510] [2022-10-16 14:06:00,150 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1051569510] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:06:00,150 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [858626880] [2022-10-16 14:06:00,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:06:00,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:06:00,151 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:06:00,155 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:06:00,161 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-10-16 14:06:00,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:00,358 INFO L263 TraceCheckSpWp]: Trace formula consists of 646 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-16 14:06:00,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:06:00,473 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-16 14:06:00,473 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 14:06:00,474 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [858626880] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:06:00,474 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 14:06:00,474 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [11] total 16 [2022-10-16 14:06:00,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903095189] [2022-10-16 14:06:00,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:06:00,475 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 14:06:00,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:06:00,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 14:06:00,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2022-10-16 14:06:00,476 INFO L87 Difference]: Start difference. First operand 3419 states and 4233 transitions. Second operand has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 5 states have internal predecessors, (47), 3 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-16 14:06:01,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:06:01,022 INFO L93 Difference]: Finished difference Result 7548 states and 9298 transitions. [2022-10-16 14:06:01,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-16 14:06:01,023 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 5 states have internal predecessors, (47), 3 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) Word has length 72 [2022-10-16 14:06:01,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:06:01,054 INFO L225 Difference]: With dead ends: 7548 [2022-10-16 14:06:01,054 INFO L226 Difference]: Without dead ends: 4590 [2022-10-16 14:06:01,065 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=77, Invalid=429, Unknown=0, NotChecked=0, Total=506 [2022-10-16 14:06:01,066 INFO L413 NwaCegarLoop]: 429 mSDtfsCounter, 353 mSDsluCounter, 2045 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 357 SdHoareTripleChecker+Valid, 2474 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:06:01,066 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [357 Valid, 2474 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:06:01,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4590 states. [2022-10-16 14:06:01,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4590 to 4425. [2022-10-16 14:06:01,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4425 states, 3415 states have (on average 1.254172767203514) internal successors, (4283), 3457 states have internal predecessors, (4283), 566 states have call successors, (566), 403 states have call predecessors, (566), 435 states have return successors, (638), 570 states have call predecessors, (638), 566 states have call successors, (638) [2022-10-16 14:06:01,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4425 states to 4425 states and 5487 transitions. [2022-10-16 14:06:01,569 INFO L78 Accepts]: Start accepts. Automaton has 4425 states and 5487 transitions. Word has length 72 [2022-10-16 14:06:01,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:06:01,569 INFO L495 AbstractCegarLoop]: Abstraction has 4425 states and 5487 transitions. [2022-10-16 14:06:01,569 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 5 states have internal predecessors, (47), 3 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-16 14:06:01,569 INFO L276 IsEmpty]: Start isEmpty. Operand 4425 states and 5487 transitions. [2022-10-16 14:06:01,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-16 14:06:01,575 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:06:01,576 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-10-16 14:06:01,631 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-10-16 14:06:01,790 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:06:01,790 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting tegra_rtc_wait_while_busyErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [tegra_rtc_wait_while_busyErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, tegra_rtc_wait_while_busyErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 12 more)] === [2022-10-16 14:06:01,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:06:01,791 INFO L85 PathProgramCache]: Analyzing trace with hash -38402151, now seen corresponding path program 1 times [2022-10-16 14:06:01,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:06:01,791 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74158318] [2022-10-16 14:06:01,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:06:01,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:06:01,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:02,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:06:02,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:02,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-16 14:06:02,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:02,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 14:06:02,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:02,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:06:02,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:02,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-10-16 14:06:02,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:02,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:06:02,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:02,144 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-16 14:06:02,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:06:02,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74158318] [2022-10-16 14:06:02,145 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [74158318] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:06:02,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [937904238] [2022-10-16 14:06:02,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:06:02,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:06:02,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:06:02,146 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:06:02,166 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-10-16 14:06:02,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:02,364 INFO L263 TraceCheckSpWp]: Trace formula consists of 648 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-16 14:06:02,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:06:02,480 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-16 14:06:02,481 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 14:06:02,481 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [937904238] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:06:02,481 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 14:06:02,481 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [11] total 16 [2022-10-16 14:06:02,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116662320] [2022-10-16 14:06:02,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:06:02,482 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 14:06:02,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:06:02,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 14:06:02,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2022-10-16 14:06:02,483 INFO L87 Difference]: Start difference. First operand 4425 states and 5487 transitions. Second operand has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 5 states have internal predecessors, (48), 3 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-16 14:06:03,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:06:03,125 INFO L93 Difference]: Finished difference Result 9560 states and 11806 transitions. [2022-10-16 14:06:03,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-16 14:06:03,126 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 5 states have internal predecessors, (48), 3 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) Word has length 73 [2022-10-16 14:06:03,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:06:03,163 INFO L225 Difference]: With dead ends: 9560 [2022-10-16 14:06:03,163 INFO L226 Difference]: Without dead ends: 5596 [2022-10-16 14:06:03,177 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=77, Invalid=429, Unknown=0, NotChecked=0, Total=506 [2022-10-16 14:06:03,178 INFO L413 NwaCegarLoop]: 429 mSDtfsCounter, 353 mSDsluCounter, 2045 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 357 SdHoareTripleChecker+Valid, 2474 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:06:03,178 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [357 Valid, 2474 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:06:03,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5596 states. [2022-10-16 14:06:03,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5596 to 4425. [2022-10-16 14:06:03,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4425 states, 3415 states have (on average 1.254172767203514) internal successors, (4283), 3457 states have internal predecessors, (4283), 566 states have call successors, (566), 403 states have call predecessors, (566), 435 states have return successors, (638), 570 states have call predecessors, (638), 566 states have call successors, (638) [2022-10-16 14:06:03,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4425 states to 4425 states and 5487 transitions. [2022-10-16 14:06:03,652 INFO L78 Accepts]: Start accepts. Automaton has 4425 states and 5487 transitions. Word has length 73 [2022-10-16 14:06:03,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:06:03,652 INFO L495 AbstractCegarLoop]: Abstraction has 4425 states and 5487 transitions. [2022-10-16 14:06:03,653 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 5 states have internal predecessors, (48), 3 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-16 14:06:03,653 INFO L276 IsEmpty]: Start isEmpty. Operand 4425 states and 5487 transitions. [2022-10-16 14:06:03,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-16 14:06:03,659 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:06:03,660 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-10-16 14:06:03,699 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-10-16 14:06:03,873 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-10-16 14:06:03,874 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting tegra_rtc_wait_while_busyErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [tegra_rtc_wait_while_busyErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, tegra_rtc_wait_while_busyErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 12 more)] === [2022-10-16 14:06:03,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:06:03,875 INFO L85 PathProgramCache]: Analyzing trace with hash -95725877, now seen corresponding path program 1 times [2022-10-16 14:06:03,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:06:03,876 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372372399] [2022-10-16 14:06:03,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:06:03,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:06:03,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:04,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:06:04,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:04,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 14:06:04,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:04,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-16 14:06:04,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:04,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:06:04,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:04,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-10-16 14:06:04,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:04,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:06:04,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:04,180 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-16 14:06:04,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:06:04,181 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372372399] [2022-10-16 14:06:04,181 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1372372399] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:06:04,181 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1539246805] [2022-10-16 14:06:04,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:06:04,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:06:04,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:06:04,183 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:06:04,185 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-10-16 14:06:04,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:04,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 650 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-16 14:06:04,403 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:06:04,488 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-16 14:06:04,488 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 14:06:04,488 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1539246805] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:06:04,488 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 14:06:04,488 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [11] total 16 [2022-10-16 14:06:04,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709096395] [2022-10-16 14:06:04,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:06:04,490 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 14:06:04,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:06:04,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 14:06:04,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2022-10-16 14:06:04,491 INFO L87 Difference]: Start difference. First operand 4425 states and 5487 transitions. Second operand has 7 states, 7 states have (on average 7.0) internal successors, (49), 5 states have internal predecessors, (49), 3 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-16 14:06:05,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:06:05,083 INFO L93 Difference]: Finished difference Result 9560 states and 11806 transitions. [2022-10-16 14:06:05,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-16 14:06:05,084 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 5 states have internal predecessors, (49), 3 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) Word has length 74 [2022-10-16 14:06:05,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:06:05,132 INFO L225 Difference]: With dead ends: 9560 [2022-10-16 14:06:05,132 INFO L226 Difference]: Without dead ends: 5596 [2022-10-16 14:06:05,149 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=77, Invalid=429, Unknown=0, NotChecked=0, Total=506 [2022-10-16 14:06:05,150 INFO L413 NwaCegarLoop]: 414 mSDtfsCounter, 353 mSDsluCounter, 1985 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 357 SdHoareTripleChecker+Valid, 2399 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:06:05,150 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [357 Valid, 2399 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:06:05,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5596 states. [2022-10-16 14:06:05,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5596 to 4425. [2022-10-16 14:06:05,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4425 states, 3415 states have (on average 1.254172767203514) internal successors, (4283), 3457 states have internal predecessors, (4283), 566 states have call successors, (566), 403 states have call predecessors, (566), 435 states have return successors, (638), 570 states have call predecessors, (638), 566 states have call successors, (638) [2022-10-16 14:06:05,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4425 states to 4425 states and 5487 transitions. [2022-10-16 14:06:05,574 INFO L78 Accepts]: Start accepts. Automaton has 4425 states and 5487 transitions. Word has length 74 [2022-10-16 14:06:05,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:06:05,575 INFO L495 AbstractCegarLoop]: Abstraction has 4425 states and 5487 transitions. [2022-10-16 14:06:05,576 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 5 states have internal predecessors, (49), 3 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-16 14:06:05,576 INFO L276 IsEmpty]: Start isEmpty. Operand 4425 states and 5487 transitions. [2022-10-16 14:06:05,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-16 14:06:05,582 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:06:05,582 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:06:05,622 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-10-16 14:06:05,797 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:06:05,798 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting tegra_rtc_wait_while_busyErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [tegra_rtc_wait_while_busyErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, tegra_rtc_wait_while_busyErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 12 more)] === [2022-10-16 14:06:05,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:06:05,799 INFO L85 PathProgramCache]: Analyzing trace with hash -1412948167, now seen corresponding path program 1 times [2022-10-16 14:06:05,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:06:05,800 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168744046] [2022-10-16 14:06:05,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:06:05,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:06:05,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:05,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:06:05,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:05,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-16 14:06:05,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:05,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-10-16 14:06:05,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:05,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:06:05,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:05,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-10-16 14:06:05,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:05,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:06:05,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:05,938 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-10-16 14:06:05,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:06:05,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168744046] [2022-10-16 14:06:05,939 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168744046] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:06:05,939 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:06:05,939 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 14:06:05,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920243733] [2022-10-16 14:06:05,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:06:05,940 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 14:06:05,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:06:05,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 14:06:05,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 14:06:05,941 INFO L87 Difference]: Start difference. First operand 4425 states and 5487 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2022-10-16 14:06:06,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:06:06,917 INFO L93 Difference]: Finished difference Result 8405 states and 10634 transitions. [2022-10-16 14:06:06,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 14:06:06,917 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 80 [2022-10-16 14:06:06,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:06:06,941 INFO L225 Difference]: With dead ends: 8405 [2022-10-16 14:06:06,941 INFO L226 Difference]: Without dead ends: 4004 [2022-10-16 14:06:06,956 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-10-16 14:06:06,957 INFO L413 NwaCegarLoop]: 562 mSDtfsCounter, 340 mSDsluCounter, 716 mSDsCounter, 0 mSdLazyCounter, 550 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 363 SdHoareTripleChecker+Valid, 1278 SdHoareTripleChecker+Invalid, 646 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 550 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 14:06:06,957 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [363 Valid, 1278 Invalid, 646 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 550 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 14:06:06,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4004 states. [2022-10-16 14:06:07,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4004 to 3199. [2022-10-16 14:06:07,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3199 states, 2555 states have (on average 1.2794520547945205) internal successors, (3269), 2595 states have internal predecessors, (3269), 352 states have call successors, (352), 261 states have call predecessors, (352), 283 states have return successors, (394), 348 states have call predecessors, (394), 352 states have call successors, (394) [2022-10-16 14:06:07,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3199 states to 3199 states and 4015 transitions. [2022-10-16 14:06:07,239 INFO L78 Accepts]: Start accepts. Automaton has 3199 states and 4015 transitions. Word has length 80 [2022-10-16 14:06:07,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:06:07,239 INFO L495 AbstractCegarLoop]: Abstraction has 3199 states and 4015 transitions. [2022-10-16 14:06:07,239 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2022-10-16 14:06:07,240 INFO L276 IsEmpty]: Start isEmpty. Operand 3199 states and 4015 transitions. [2022-10-16 14:06:07,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-16 14:06:07,244 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:06:07,244 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 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] [2022-10-16 14:06:07,244 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 14:06:07,245 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [tegra_rtc_wait_while_busyErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, tegra_rtc_wait_while_busyErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 12 more)] === [2022-10-16 14:06:07,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:06:07,245 INFO L85 PathProgramCache]: Analyzing trace with hash -1534969584, now seen corresponding path program 2 times [2022-10-16 14:06:07,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:06:07,245 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537444808] [2022-10-16 14:06:07,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:06:07,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:06:07,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:07,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:06:07,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:07,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-16 14:06:07,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:07,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-10-16 14:06:07,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:07,367 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-16 14:06:07,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:06:07,368 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537444808] [2022-10-16 14:06:07,368 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537444808] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:06:07,368 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:06:07,368 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 14:06:07,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756448695] [2022-10-16 14:06:07,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:06:07,369 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:06:07,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:06:07,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:06:07,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:06:07,370 INFO L87 Difference]: Start difference. First operand 3199 states and 4015 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-10-16 14:06:08,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:06:08,217 INFO L93 Difference]: Finished difference Result 6718 states and 8515 transitions. [2022-10-16 14:06:08,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 14:06:08,218 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 76 [2022-10-16 14:06:08,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:06:08,241 INFO L225 Difference]: With dead ends: 6718 [2022-10-16 14:06:08,241 INFO L226 Difference]: Without dead ends: 3791 [2022-10-16 14:06:08,251 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 14:06:08,252 INFO L413 NwaCegarLoop]: 557 mSDtfsCounter, 481 mSDsluCounter, 273 mSDsCounter, 0 mSdLazyCounter, 342 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 513 SdHoareTripleChecker+Valid, 830 SdHoareTripleChecker+Invalid, 441 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 342 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 14:06:08,252 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [513 Valid, 830 Invalid, 441 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 342 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 14:06:08,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3791 states. [2022-10-16 14:06:08,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3791 to 3050. [2022-10-16 14:06:08,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3050 states, 2432 states have (on average 1.2672697368421053) internal successors, (3082), 2472 states have internal predecessors, (3082), 336 states have call successors, (336), 251 states have call predecessors, (336), 273 states have return successors, (378), 332 states have call predecessors, (378), 336 states have call successors, (378) [2022-10-16 14:06:08,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3050 states to 3050 states and 3796 transitions. [2022-10-16 14:06:08,531 INFO L78 Accepts]: Start accepts. Automaton has 3050 states and 3796 transitions. Word has length 76 [2022-10-16 14:06:08,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:06:08,532 INFO L495 AbstractCegarLoop]: Abstraction has 3050 states and 3796 transitions. [2022-10-16 14:06:08,532 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-10-16 14:06:08,532 INFO L276 IsEmpty]: Start isEmpty. Operand 3050 states and 3796 transitions. [2022-10-16 14:06:08,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-10-16 14:06:08,536 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:06:08,536 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-10-16 14:06:08,536 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 14:06:08,536 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting tegra_rtc_wait_while_busyErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [tegra_rtc_wait_while_busyErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, tegra_rtc_wait_while_busyErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 12 more)] === [2022-10-16 14:06:08,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:06:08,537 INFO L85 PathProgramCache]: Analyzing trace with hash 886362412, now seen corresponding path program 1 times [2022-10-16 14:06:08,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:06:08,537 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022163407] [2022-10-16 14:06:08,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:06:08,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:06:08,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:08,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:06:08,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:08,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-16 14:06:08,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:08,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-10-16 14:06:08,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:08,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-16 14:06:08,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:08,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:06:08,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:08,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-10-16 14:06:08,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:08,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:06:08,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:08,882 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 17 proven. 7 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-10-16 14:06:08,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:06:08,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022163407] [2022-10-16 14:06:08,883 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1022163407] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:06:08,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1026826741] [2022-10-16 14:06:08,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:06:08,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:06:08,884 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:06:08,885 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:06:08,907 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-10-16 14:06:09,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:09,130 INFO L263 TraceCheckSpWp]: Trace formula consists of 707 conjuncts, 12 conjunts are in the unsatisfiable core [2022-10-16 14:06:09,134 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:06:09,319 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 12 proven. 7 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-10-16 14:06:09,320 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:06:09,651 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 15 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-10-16 14:06:09,652 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1026826741] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:06:09,652 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:06:09,652 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10, 10] total 22 [2022-10-16 14:06:09,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942096664] [2022-10-16 14:06:09,653 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:06:09,653 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-10-16 14:06:09,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:06:09,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-10-16 14:06:09,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=406, Unknown=0, NotChecked=0, Total=462 [2022-10-16 14:06:09,655 INFO L87 Difference]: Start difference. First operand 3050 states and 3796 transitions. Second operand has 22 states, 22 states have (on average 4.818181818181818) internal successors, (106), 15 states have internal predecessors, (106), 5 states have call successors, (19), 7 states have call predecessors, (19), 7 states have return successors, (13), 6 states have call predecessors, (13), 5 states have call successors, (13) [2022-10-16 14:06:15,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:06:15,695 INFO L93 Difference]: Finished difference Result 7875 states and 9821 transitions. [2022-10-16 14:06:15,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-10-16 14:06:15,696 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 4.818181818181818) internal successors, (106), 15 states have internal predecessors, (106), 5 states have call successors, (19), 7 states have call predecessors, (19), 7 states have return successors, (13), 6 states have call predecessors, (13), 5 states have call successors, (13) Word has length 86 [2022-10-16 14:06:15,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:06:15,719 INFO L225 Difference]: With dead ends: 7875 [2022-10-16 14:06:15,719 INFO L226 Difference]: Without dead ends: 4910 [2022-10-16 14:06:15,729 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 168 SyntacticMatches, 8 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 777 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=657, Invalid=2649, Unknown=0, NotChecked=0, Total=3306 [2022-10-16 14:06:15,730 INFO L413 NwaCegarLoop]: 512 mSDtfsCounter, 2467 mSDsluCounter, 3982 mSDsCounter, 0 mSdLazyCounter, 6104 mSolverCounterSat, 1122 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2498 SdHoareTripleChecker+Valid, 4494 SdHoareTripleChecker+Invalid, 7226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1122 IncrementalHoareTripleChecker+Valid, 6104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-10-16 14:06:15,730 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2498 Valid, 4494 Invalid, 7226 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1122 Valid, 6104 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2022-10-16 14:06:15,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4910 states. [2022-10-16 14:06:16,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4910 to 3595. [2022-10-16 14:06:16,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3595 states, 2872 states have (on average 1.2701949860724233) internal successors, (3648), 2912 states have internal predecessors, (3648), 396 states have call successors, (396), 296 states have call predecessors, (396), 318 states have return successors, (438), 392 states have call predecessors, (438), 396 states have call successors, (438) [2022-10-16 14:06:16,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3595 states to 3595 states and 4482 transitions. [2022-10-16 14:06:16,188 INFO L78 Accepts]: Start accepts. Automaton has 3595 states and 4482 transitions. Word has length 86 [2022-10-16 14:06:16,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:06:16,189 INFO L495 AbstractCegarLoop]: Abstraction has 3595 states and 4482 transitions. [2022-10-16 14:06:16,189 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 4.818181818181818) internal successors, (106), 15 states have internal predecessors, (106), 5 states have call successors, (19), 7 states have call predecessors, (19), 7 states have return successors, (13), 6 states have call predecessors, (13), 5 states have call successors, (13) [2022-10-16 14:06:16,189 INFO L276 IsEmpty]: Start isEmpty. Operand 3595 states and 4482 transitions. [2022-10-16 14:06:16,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-10-16 14:06:16,194 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:06:16,194 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-10-16 14:06:16,240 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-10-16 14:06:16,409 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:06:16,410 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting tegra_rtc_wait_while_busyErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [tegra_rtc_wait_while_busyErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, tegra_rtc_wait_while_busyErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 12 more)] === [2022-10-16 14:06:16,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:06:16,411 INFO L85 PathProgramCache]: Analyzing trace with hash 207333043, now seen corresponding path program 1 times [2022-10-16 14:06:16,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:06:16,411 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956704440] [2022-10-16 14:06:16,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:06:16,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:06:16,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:16,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:06:16,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:16,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-16 14:06:16,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:16,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-10-16 14:06:16,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:16,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-10-16 14:06:16,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:16,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:06:16,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:16,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-10-16 14:06:16,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:16,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:06:16,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:16,716 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 17 proven. 7 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-10-16 14:06:16,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:06:16,717 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956704440] [2022-10-16 14:06:16,717 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [956704440] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:06:16,718 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1965215410] [2022-10-16 14:06:16,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:06:16,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:06:16,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:06:16,720 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:06:16,747 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-10-16 14:06:16,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:16,987 INFO L263 TraceCheckSpWp]: Trace formula consists of 709 conjuncts, 12 conjunts are in the unsatisfiable core [2022-10-16 14:06:16,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:06:17,161 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 12 proven. 7 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-10-16 14:06:17,161 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:06:17,439 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 15 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-10-16 14:06:17,440 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1965215410] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:06:17,440 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:06:17,440 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10, 10] total 22 [2022-10-16 14:06:17,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844002715] [2022-10-16 14:06:17,441 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:06:17,441 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-10-16 14:06:17,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:06:17,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-10-16 14:06:17,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=406, Unknown=0, NotChecked=0, Total=462 [2022-10-16 14:06:17,443 INFO L87 Difference]: Start difference. First operand 3595 states and 4482 transitions. Second operand has 22 states, 22 states have (on average 4.909090909090909) internal successors, (108), 15 states have internal predecessors, (108), 5 states have call successors, (19), 7 states have call predecessors, (19), 7 states have return successors, (13), 6 states have call predecessors, (13), 5 states have call successors, (13) [2022-10-16 14:06:23,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:06:23,359 INFO L93 Difference]: Finished difference Result 9189 states and 11482 transitions. [2022-10-16 14:06:23,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-10-16 14:06:23,360 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 4.909090909090909) internal successors, (108), 15 states have internal predecessors, (108), 5 states have call successors, (19), 7 states have call predecessors, (19), 7 states have return successors, (13), 6 states have call predecessors, (13), 5 states have call successors, (13) Word has length 87 [2022-10-16 14:06:23,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:06:23,388 INFO L225 Difference]: With dead ends: 9189 [2022-10-16 14:06:23,389 INFO L226 Difference]: Without dead ends: 5667 [2022-10-16 14:06:23,400 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 170 SyntacticMatches, 8 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 774 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=657, Invalid=2649, Unknown=0, NotChecked=0, Total=3306 [2022-10-16 14:06:23,401 INFO L413 NwaCegarLoop]: 502 mSDtfsCounter, 2486 mSDsluCounter, 3334 mSDsCounter, 0 mSdLazyCounter, 5280 mSolverCounterSat, 1126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2515 SdHoareTripleChecker+Valid, 3836 SdHoareTripleChecker+Invalid, 6406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1126 IncrementalHoareTripleChecker+Valid, 5280 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-10-16 14:06:23,401 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2515 Valid, 3836 Invalid, 6406 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1126 Valid, 5280 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-10-16 14:06:23,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5667 states. [2022-10-16 14:06:23,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5667 to 3595. [2022-10-16 14:06:23,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3595 states, 2872 states have (on average 1.2701949860724233) internal successors, (3648), 2912 states have internal predecessors, (3648), 396 states have call successors, (396), 296 states have call predecessors, (396), 318 states have return successors, (438), 392 states have call predecessors, (438), 396 states have call successors, (438) [2022-10-16 14:06:23,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3595 states to 3595 states and 4482 transitions. [2022-10-16 14:06:23,856 INFO L78 Accepts]: Start accepts. Automaton has 3595 states and 4482 transitions. Word has length 87 [2022-10-16 14:06:23,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:06:23,857 INFO L495 AbstractCegarLoop]: Abstraction has 3595 states and 4482 transitions. [2022-10-16 14:06:23,857 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 4.909090909090909) internal successors, (108), 15 states have internal predecessors, (108), 5 states have call successors, (19), 7 states have call predecessors, (19), 7 states have return successors, (13), 6 states have call predecessors, (13), 5 states have call successors, (13) [2022-10-16 14:06:23,857 INFO L276 IsEmpty]: Start isEmpty. Operand 3595 states and 4482 transitions. [2022-10-16 14:06:23,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-16 14:06:23,862 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:06:23,862 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-10-16 14:06:23,903 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-10-16 14:06:24,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-10-16 14:06:24,075 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting tegra_rtc_wait_while_busyErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [tegra_rtc_wait_while_busyErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, tegra_rtc_wait_while_busyErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 12 more)] === [2022-10-16 14:06:24,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:06:24,076 INFO L85 PathProgramCache]: Analyzing trace with hash 584414821, now seen corresponding path program 1 times [2022-10-16 14:06:24,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:06:24,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928962526] [2022-10-16 14:06:24,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:06:24,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:06:24,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:24,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:06:24,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:24,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 14:06:24,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:24,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-10-16 14:06:24,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:24,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-10-16 14:06:24,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:24,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:06:24,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:24,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-10-16 14:06:24,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:24,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:06:24,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:24,386 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 17 proven. 7 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-10-16 14:06:24,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:06:24,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928962526] [2022-10-16 14:06:24,387 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [928962526] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:06:24,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [504903036] [2022-10-16 14:06:24,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:06:24,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:06:24,388 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:06:24,389 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:06:24,413 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-10-16 14:06:24,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:24,669 INFO L263 TraceCheckSpWp]: Trace formula consists of 711 conjuncts, 12 conjunts are in the unsatisfiable core [2022-10-16 14:06:24,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:06:24,869 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 12 proven. 7 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-10-16 14:06:24,870 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:06:25,177 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 15 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-10-16 14:06:25,177 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [504903036] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:06:25,177 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:06:25,178 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10, 10] total 22 [2022-10-16 14:06:25,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914589274] [2022-10-16 14:06:25,178 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:06:25,180 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-10-16 14:06:25,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:06:25,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-10-16 14:06:25,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=406, Unknown=0, NotChecked=0, Total=462 [2022-10-16 14:06:25,183 INFO L87 Difference]: Start difference. First operand 3595 states and 4482 transitions. Second operand has 22 states, 22 states have (on average 5.0) internal successors, (110), 15 states have internal predecessors, (110), 5 states have call successors, (19), 7 states have call predecessors, (19), 7 states have return successors, (13), 6 states have call predecessors, (13), 5 states have call successors, (13) [2022-10-16 14:06:30,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:06:30,432 INFO L93 Difference]: Finished difference Result 7038 states and 8725 transitions. [2022-10-16 14:06:30,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-10-16 14:06:30,433 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 15 states have internal predecessors, (110), 5 states have call successors, (19), 7 states have call predecessors, (19), 7 states have return successors, (13), 6 states have call predecessors, (13), 5 states have call successors, (13) Word has length 88 [2022-10-16 14:06:30,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:06:30,447 INFO L225 Difference]: With dead ends: 7038 [2022-10-16 14:06:30,447 INFO L226 Difference]: Without dead ends: 3324 [2022-10-16 14:06:30,458 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 172 SyntacticMatches, 8 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 631 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=602, Invalid=2260, Unknown=0, NotChecked=0, Total=2862 [2022-10-16 14:06:30,459 INFO L413 NwaCegarLoop]: 443 mSDtfsCounter, 2085 mSDsluCounter, 3148 mSDsCounter, 0 mSdLazyCounter, 4861 mSolverCounterSat, 899 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2113 SdHoareTripleChecker+Valid, 3591 SdHoareTripleChecker+Invalid, 5760 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 899 IncrementalHoareTripleChecker+Valid, 4861 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-10-16 14:06:30,460 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2113 Valid, 3591 Invalid, 5760 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [899 Valid, 4861 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2022-10-16 14:06:30,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3324 states. [2022-10-16 14:06:30,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3324 to 1892. [2022-10-16 14:06:30,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1892 states, 1499 states have (on average 1.2608405603735824) internal successors, (1890), 1514 states have internal predecessors, (1890), 211 states have call successors, (211), 163 states have call predecessors, (211), 173 states have return successors, (235), 214 states have call predecessors, (235), 211 states have call successors, (235) [2022-10-16 14:06:30,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1892 states to 1892 states and 2336 transitions. [2022-10-16 14:06:30,677 INFO L78 Accepts]: Start accepts. Automaton has 1892 states and 2336 transitions. Word has length 88 [2022-10-16 14:06:30,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:06:30,678 INFO L495 AbstractCegarLoop]: Abstraction has 1892 states and 2336 transitions. [2022-10-16 14:06:30,678 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 5.0) internal successors, (110), 15 states have internal predecessors, (110), 5 states have call successors, (19), 7 states have call predecessors, (19), 7 states have return successors, (13), 6 states have call predecessors, (13), 5 states have call successors, (13) [2022-10-16 14:06:30,678 INFO L276 IsEmpty]: Start isEmpty. Operand 1892 states and 2336 transitions. [2022-10-16 14:06:30,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-10-16 14:06:30,682 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:06:30,682 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:06:30,728 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2022-10-16 14:06:30,897 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:06:30,897 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [tegra_rtc_wait_while_busyErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, tegra_rtc_wait_while_busyErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 12 more)] === [2022-10-16 14:06:30,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:06:30,898 INFO L85 PathProgramCache]: Analyzing trace with hash -1740991721, now seen corresponding path program 1 times [2022-10-16 14:06:30,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:06:30,899 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59263286] [2022-10-16 14:06:30,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:06:30,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:06:30,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:31,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:06:31,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:31,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-16 14:06:31,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:31,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-16 14:06:31,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:31,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:06:31,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:31,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:06:31,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:31,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:06:31,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:31,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-16 14:06:31,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:31,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:06:31,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:31,292 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-16 14:06:31,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:06:31,292 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59263286] [2022-10-16 14:06:31,293 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [59263286] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:06:31,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1282868410] [2022-10-16 14:06:31,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:06:31,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:06:31,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:06:31,295 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:06:31,311 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-10-16 14:06:31,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:31,554 INFO L263 TraceCheckSpWp]: Trace formula consists of 673 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 14:06:31,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:06:31,674 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-16 14:06:31,674 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:06:31,794 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-16 14:06:31,795 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1282868410] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:06:31,795 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:06:31,795 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 3, 3] total 9 [2022-10-16 14:06:31,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264670903] [2022-10-16 14:06:31,796 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:06:31,797 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-16 14:06:31,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:06:31,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-16 14:06:31,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-10-16 14:06:31,798 INFO L87 Difference]: Start difference. First operand 1892 states and 2336 transitions. Second operand has 10 states, 9 states have (on average 17.77777777777778) internal successors, (160), 7 states have internal predecessors, (160), 6 states have call successors, (23), 6 states have call predecessors, (23), 3 states have return successors, (17), 6 states have call predecessors, (17), 6 states have call successors, (17) [2022-10-16 14:06:34,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:06:34,621 INFO L93 Difference]: Finished difference Result 6050 states and 7593 transitions. [2022-10-16 14:06:34,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-10-16 14:06:34,622 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 17.77777777777778) internal successors, (160), 7 states have internal predecessors, (160), 6 states have call successors, (23), 6 states have call predecessors, (23), 3 states have return successors, (17), 6 states have call predecessors, (17), 6 states have call successors, (17) Word has length 90 [2022-10-16 14:06:34,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:06:34,642 INFO L225 Difference]: With dead ends: 6050 [2022-10-16 14:06:34,642 INFO L226 Difference]: Without dead ends: 6046 [2022-10-16 14:06:34,645 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=145, Invalid=275, Unknown=0, NotChecked=0, Total=420 [2022-10-16 14:06:34,646 INFO L413 NwaCegarLoop]: 426 mSDtfsCounter, 2007 mSDsluCounter, 932 mSDsCounter, 0 mSdLazyCounter, 1474 mSolverCounterSat, 650 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2095 SdHoareTripleChecker+Valid, 1358 SdHoareTripleChecker+Invalid, 2124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 650 IncrementalHoareTripleChecker+Valid, 1474 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-10-16 14:06:34,647 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2095 Valid, 1358 Invalid, 2124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [650 Valid, 1474 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-10-16 14:06:34,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6046 states. [2022-10-16 14:06:35,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6046 to 3405. [2022-10-16 14:06:35,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3405 states, 2679 states have (on average 1.2471071295259426) internal successors, (3341), 2696 states have internal predecessors, (3341), 396 states have call successors, (396), 304 states have call predecessors, (396), 324 states have return successors, (444), 404 states have call predecessors, (444), 396 states have call successors, (444) [2022-10-16 14:06:35,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3405 states to 3405 states and 4181 transitions. [2022-10-16 14:06:35,063 INFO L78 Accepts]: Start accepts. Automaton has 3405 states and 4181 transitions. Word has length 90 [2022-10-16 14:06:35,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:06:35,063 INFO L495 AbstractCegarLoop]: Abstraction has 3405 states and 4181 transitions. [2022-10-16 14:06:35,064 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 17.77777777777778) internal successors, (160), 7 states have internal predecessors, (160), 6 states have call successors, (23), 6 states have call predecessors, (23), 3 states have return successors, (17), 6 states have call predecessors, (17), 6 states have call successors, (17) [2022-10-16 14:06:35,064 INFO L276 IsEmpty]: Start isEmpty. Operand 3405 states and 4181 transitions. [2022-10-16 14:06:35,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-16 14:06:35,068 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:06:35,068 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:06:35,109 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-10-16 14:06:35,282 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:06:35,282 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [tegra_rtc_wait_while_busyErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, tegra_rtc_wait_while_busyErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 12 more)] === [2022-10-16 14:06:35,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:06:35,283 INFO L85 PathProgramCache]: Analyzing trace with hash 1863832351, now seen corresponding path program 1 times [2022-10-16 14:06:35,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:06:35,283 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699818362] [2022-10-16 14:06:35,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:06:35,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:06:35,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:35,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:06:35,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:35,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-16 14:06:35,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:35,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-16 14:06:35,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:35,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:06:35,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:35,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:06:35,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:35,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:06:35,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:35,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-16 14:06:35,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:35,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:06:35,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:35,508 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-16 14:06:35,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:06:35,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699818362] [2022-10-16 14:06:35,510 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [699818362] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:06:35,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1717946204] [2022-10-16 14:06:35,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:06:35,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:06:35,511 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:06:35,512 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:06:35,532 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-10-16 14:06:35,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:35,708 INFO L263 TraceCheckSpWp]: Trace formula consists of 674 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 14:06:35,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:06:35,822 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-16 14:06:35,822 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 14:06:35,822 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1717946204] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:06:35,822 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 14:06:35,822 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2022-10-16 14:06:35,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752241375] [2022-10-16 14:06:35,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:06:35,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:06:35,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:06:35,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:06:35,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-10-16 14:06:35,825 INFO L87 Difference]: Start difference. First operand 3405 states and 4181 transitions. Second operand has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2022-10-16 14:06:36,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:06:36,457 INFO L93 Difference]: Finished difference Result 3414 states and 4196 transitions. [2022-10-16 14:06:36,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 14:06:36,458 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 91 [2022-10-16 14:06:36,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:06:36,471 INFO L225 Difference]: With dead ends: 3414 [2022-10-16 14:06:36,471 INFO L226 Difference]: Without dead ends: 3410 [2022-10-16 14:06:36,473 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-10-16 14:06:36,474 INFO L413 NwaCegarLoop]: 406 mSDtfsCounter, 484 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 484 SdHoareTripleChecker+Valid, 502 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:06:36,476 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [484 Valid, 502 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:06:36,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3410 states. [2022-10-16 14:06:36,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3410 to 3237. [2022-10-16 14:06:36,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3237 states, 2525 states have (on average 1.2328712871287129) internal successors, (3113), 2537 states have internal predecessors, (3113), 391 states have call successors, (391), 299 states have call predecessors, (391), 319 states have return successors, (439), 400 states have call predecessors, (439), 391 states have call successors, (439) [2022-10-16 14:06:36,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3237 states to 3237 states and 3943 transitions. [2022-10-16 14:06:36,918 INFO L78 Accepts]: Start accepts. Automaton has 3237 states and 3943 transitions. Word has length 91 [2022-10-16 14:06:36,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:06:36,918 INFO L495 AbstractCegarLoop]: Abstraction has 3237 states and 3943 transitions. [2022-10-16 14:06:36,919 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2022-10-16 14:06:36,919 INFO L276 IsEmpty]: Start isEmpty. Operand 3237 states and 3943 transitions. [2022-10-16 14:06:36,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-16 14:06:36,922 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:06:36,922 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:06:36,963 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-10-16 14:06:37,137 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2022-10-16 14:06:37,138 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting tegra_rtc_wait_while_busyErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [tegra_rtc_wait_while_busyErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, tegra_rtc_wait_while_busyErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 12 more)] === [2022-10-16 14:06:37,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:06:37,138 INFO L85 PathProgramCache]: Analyzing trace with hash -1481867439, now seen corresponding path program 1 times [2022-10-16 14:06:37,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:06:37,139 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821298957] [2022-10-16 14:06:37,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:06:37,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:06:37,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:37,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:06:37,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:37,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-16 14:06:37,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:37,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 14:06:37,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:37,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:06:37,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:37,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:06:37,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:37,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-10-16 14:06:37,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:37,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:06:37,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:37,346 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-10-16 14:06:37,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:06:37,346 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821298957] [2022-10-16 14:06:37,347 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [821298957] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:06:37,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1546388981] [2022-10-16 14:06:37,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:06:37,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:06:37,347 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:06:37,348 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:06:37,372 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-10-16 14:06:37,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:37,579 INFO L263 TraceCheckSpWp]: Trace formula consists of 703 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 14:06:37,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:06:37,602 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-10-16 14:06:37,602 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:06:37,652 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-10-16 14:06:37,652 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1546388981] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:06:37,653 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:06:37,653 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 3, 3] total 7 [2022-10-16 14:06:37,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847875350] [2022-10-16 14:06:37,653 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:06:37,654 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 14:06:37,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:06:37,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 14:06:37,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-10-16 14:06:37,655 INFO L87 Difference]: Start difference. First operand 3237 states and 3943 transitions. Second operand has 8 states, 7 states have (on average 11.714285714285714) internal successors, (82), 6 states have internal predecessors, (82), 1 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-10-16 14:06:38,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:06:38,874 INFO L93 Difference]: Finished difference Result 4919 states and 6281 transitions. [2022-10-16 14:06:38,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-16 14:06:38,875 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 11.714285714285714) internal successors, (82), 6 states have internal predecessors, (82), 1 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 96 [2022-10-16 14:06:38,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:06:38,893 INFO L225 Difference]: With dead ends: 4919 [2022-10-16 14:06:38,893 INFO L226 Difference]: Without dead ends: 4918 [2022-10-16 14:06:38,895 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 201 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2022-10-16 14:06:38,896 INFO L413 NwaCegarLoop]: 366 mSDtfsCounter, 181 mSDsluCounter, 824 mSDsCounter, 0 mSdLazyCounter, 540 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 1190 SdHoareTripleChecker+Invalid, 607 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 540 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 14:06:38,897 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 1190 Invalid, 607 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 540 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 14:06:38,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4918 states. [2022-10-16 14:06:39,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4918 to 3525. [2022-10-16 14:06:39,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3525 states, 2813 states have (on average 1.2346249555634554) internal successors, (3473), 2825 states have internal predecessors, (3473), 391 states have call successors, (391), 299 states have call predecessors, (391), 319 states have return successors, (439), 400 states have call predecessors, (439), 391 states have call successors, (439) [2022-10-16 14:06:39,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3525 states to 3525 states and 4303 transitions. [2022-10-16 14:06:39,488 INFO L78 Accepts]: Start accepts. Automaton has 3525 states and 4303 transitions. Word has length 96 [2022-10-16 14:06:39,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:06:39,488 INFO L495 AbstractCegarLoop]: Abstraction has 3525 states and 4303 transitions. [2022-10-16 14:06:39,488 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 11.714285714285714) internal successors, (82), 6 states have internal predecessors, (82), 1 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-10-16 14:06:39,489 INFO L276 IsEmpty]: Start isEmpty. Operand 3525 states and 4303 transitions. [2022-10-16 14:06:39,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-10-16 14:06:39,494 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:06:39,494 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 3, 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] [2022-10-16 14:06:39,529 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-10-16 14:06:39,708 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2022-10-16 14:06:39,709 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting tegra_rtc_wait_while_busyErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [tegra_rtc_wait_while_busyErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, tegra_rtc_wait_while_busyErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 12 more)] === [2022-10-16 14:06:39,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:06:39,710 INFO L85 PathProgramCache]: Analyzing trace with hash -1283947296, now seen corresponding path program 1 times [2022-10-16 14:06:39,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:06:39,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449391540] [2022-10-16 14:06:39,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:06:39,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:06:39,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:39,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:06:39,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:39,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-16 14:06:39,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:39,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-10-16 14:06:39,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:39,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:06:39,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:39,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-10-16 14:06:39,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:39,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:06:39,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:39,987 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-10-16 14:06:39,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:06:39,988 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449391540] [2022-10-16 14:06:39,988 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449391540] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:06:39,988 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [356179250] [2022-10-16 14:06:39,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:06:39,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:06:39,989 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:06:39,990 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:06:40,012 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-10-16 14:06:40,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:40,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 802 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-16 14:06:40,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:06:40,275 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-10-16 14:06:40,275 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:06:40,406 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-10-16 14:06:40,407 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [356179250] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:06:40,407 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:06:40,407 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 6] total 13 [2022-10-16 14:06:40,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414997707] [2022-10-16 14:06:40,408 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:06:40,411 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-10-16 14:06:40,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:06:40,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-10-16 14:06:40,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2022-10-16 14:06:40,413 INFO L87 Difference]: Start difference. First operand 3525 states and 4303 transitions. Second operand has 14 states, 13 states have (on average 9.923076923076923) internal successors, (129), 12 states have internal predecessors, (129), 1 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-10-16 14:06:42,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:06:42,216 INFO L93 Difference]: Finished difference Result 6503 states and 8441 transitions. [2022-10-16 14:06:42,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-16 14:06:42,217 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 9.923076923076923) internal successors, (129), 12 states have internal predecessors, (129), 1 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 119 [2022-10-16 14:06:42,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:06:42,243 INFO L225 Difference]: With dead ends: 6503 [2022-10-16 14:06:42,243 INFO L226 Difference]: Without dead ends: 6502 [2022-10-16 14:06:42,247 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 264 GetRequests, 242 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=211, Invalid=341, Unknown=0, NotChecked=0, Total=552 [2022-10-16 14:06:42,248 INFO L413 NwaCegarLoop]: 367 mSDtfsCounter, 540 mSDsluCounter, 736 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 158 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 548 SdHoareTripleChecker+Valid, 1103 SdHoareTripleChecker+Invalid, 689 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 158 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 14:06:42,248 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [548 Valid, 1103 Invalid, 689 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [158 Valid, 531 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 14:06:42,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6502 states. [2022-10-16 14:06:43,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6502 to 4101. [2022-10-16 14:06:43,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4101 states, 3389 states have (on average 1.2372381233402183) internal successors, (4193), 3401 states have internal predecessors, (4193), 391 states have call successors, (391), 299 states have call predecessors, (391), 319 states have return successors, (439), 400 states have call predecessors, (439), 391 states have call successors, (439) [2022-10-16 14:06:43,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4101 states to 4101 states and 5023 transitions. [2022-10-16 14:06:43,214 INFO L78 Accepts]: Start accepts. Automaton has 4101 states and 5023 transitions. Word has length 119 [2022-10-16 14:06:43,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:06:43,214 INFO L495 AbstractCegarLoop]: Abstraction has 4101 states and 5023 transitions. [2022-10-16 14:06:43,215 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 9.923076923076923) internal successors, (129), 12 states have internal predecessors, (129), 1 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-10-16 14:06:43,215 INFO L276 IsEmpty]: Start isEmpty. Operand 4101 states and 5023 transitions. [2022-10-16 14:06:43,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-10-16 14:06:43,226 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:06:43,226 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:06:43,265 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-10-16 14:06:43,440 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2022-10-16 14:06:43,440 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [tegra_rtc_wait_while_busyErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, tegra_rtc_wait_while_busyErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 12 more)] === [2022-10-16 14:06:43,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:06:43,441 INFO L85 PathProgramCache]: Analyzing trace with hash -555882467, now seen corresponding path program 1 times [2022-10-16 14:06:43,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:06:43,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933381505] [2022-10-16 14:06:43,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:06:43,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:06:43,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:43,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:06:43,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:43,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-16 14:06:43,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:43,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 14:06:43,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:43,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:06:43,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:43,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:06:43,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:43,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-10-16 14:06:43,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:43,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:06:43,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:43,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:06:43,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:43,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-10-16 14:06:43,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:43,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-10-16 14:06:43,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:43,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:06:43,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:43,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:06:43,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:43,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:06:43,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:43,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-16 14:06:43,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:43,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:06:43,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:43,965 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 89 proven. 4 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-10-16 14:06:43,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:06:43,966 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933381505] [2022-10-16 14:06:43,966 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1933381505] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:06:43,966 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [208688726] [2022-10-16 14:06:43,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:06:43,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:06:43,967 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:06:43,968 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:06:43,985 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-10-16 14:06:44,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:44,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 996 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-16 14:06:44,217 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:06:44,244 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-10-16 14:06:44,244 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 14:06:44,244 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [208688726] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:06:44,245 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 14:06:44,245 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2022-10-16 14:06:44,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206004244] [2022-10-16 14:06:44,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:06:44,246 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 14:06:44,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:06:44,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 14:06:44,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 14:06:44,247 INFO L87 Difference]: Start difference. First operand 4101 states and 5023 transitions. Second operand has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-10-16 14:06:45,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:06:45,442 INFO L93 Difference]: Finished difference Result 8800 states and 10764 transitions. [2022-10-16 14:06:45,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 14:06:45,443 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 175 [2022-10-16 14:06:45,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:06:45,462 INFO L225 Difference]: With dead ends: 8800 [2022-10-16 14:06:45,462 INFO L226 Difference]: Without dead ends: 4908 [2022-10-16 14:06:45,472 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 14:06:45,473 INFO L413 NwaCegarLoop]: 516 mSDtfsCounter, 243 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 243 SdHoareTripleChecker+Valid, 802 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:06:45,473 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [243 Valid, 802 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:06:45,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4908 states. [2022-10-16 14:06:46,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4908 to 4907. [2022-10-16 14:06:46,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4907 states, 4001 states have (on average 1.2344413896525868) internal successors, (4939), 4017 states have internal predecessors, (4939), 487 states have call successors, (487), 387 states have call predecessors, (487), 417 states have return successors, (547), 502 states have call predecessors, (547), 487 states have call successors, (547) [2022-10-16 14:06:46,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4907 states to 4907 states and 5973 transitions. [2022-10-16 14:06:46,432 INFO L78 Accepts]: Start accepts. Automaton has 4907 states and 5973 transitions. Word has length 175 [2022-10-16 14:06:46,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:06:46,432 INFO L495 AbstractCegarLoop]: Abstraction has 4907 states and 5973 transitions. [2022-10-16 14:06:46,433 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-10-16 14:06:46,433 INFO L276 IsEmpty]: Start isEmpty. Operand 4907 states and 5973 transitions. [2022-10-16 14:06:46,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2022-10-16 14:06:46,442 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:06:46,442 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 10, 10, 10, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:06:46,491 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-10-16 14:06:46,656 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:06:46,657 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting tegra_rtc_wait_while_busyErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [tegra_rtc_wait_while_busyErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, tegra_rtc_wait_while_busyErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 12 more)] === [2022-10-16 14:06:46,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:06:46,658 INFO L85 PathProgramCache]: Analyzing trace with hash 1505737509, now seen corresponding path program 2 times [2022-10-16 14:06:46,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:06:46,658 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555949547] [2022-10-16 14:06:46,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:06:46,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:06:46,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:47,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:06:47,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:47,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-16 14:06:47,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:47,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 14:06:47,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:47,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:06:47,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:47,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:06:47,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:47,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-10-16 14:06:47,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:47,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:06:47,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:47,241 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-10-16 14:06:47,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:06:47,241 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555949547] [2022-10-16 14:06:47,241 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555949547] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:06:47,242 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2140457947] [2022-10-16 14:06:47,242 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 14:06:47,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:06:47,242 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:06:47,243 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:06:47,264 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-10-16 14:06:47,511 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-10-16 14:06:47,512 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 14:06:47,517 INFO L263 TraceCheckSpWp]: Trace formula consists of 964 conjuncts, 12 conjunts are in the unsatisfiable core [2022-10-16 14:06:47,521 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:06:47,655 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-10-16 14:06:47,655 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:06:48,045 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-10-16 14:06:48,045 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2140457947] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:06:48,045 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:06:48,046 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12, 12] total 25 [2022-10-16 14:06:48,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938610845] [2022-10-16 14:06:48,046 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:06:48,047 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-10-16 14:06:48,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:06:48,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-10-16 14:06:48,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=281, Invalid=369, Unknown=0, NotChecked=0, Total=650 [2022-10-16 14:06:48,049 INFO L87 Difference]: Start difference. First operand 4907 states and 5973 transitions. Second operand has 26 states, 25 states have (on average 9.04) internal successors, (226), 24 states have internal predecessors, (226), 1 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-10-16 14:06:51,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:06:51,546 INFO L93 Difference]: Finished difference Result 10647 states and 13925 transitions. [2022-10-16 14:06:51,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-10-16 14:06:51,547 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 9.04) internal successors, (226), 24 states have internal predecessors, (226), 1 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 168 [2022-10-16 14:06:51,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:06:51,582 INFO L225 Difference]: With dead ends: 10647 [2022-10-16 14:06:51,582 INFO L226 Difference]: Without dead ends: 10646 [2022-10-16 14:06:51,588 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 382 GetRequests, 336 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 307 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=853, Invalid=1403, Unknown=0, NotChecked=0, Total=2256 [2022-10-16 14:06:51,589 INFO L413 NwaCegarLoop]: 362 mSDtfsCounter, 966 mSDsluCounter, 1280 mSDsCounter, 0 mSdLazyCounter, 1003 mSolverCounterSat, 217 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 974 SdHoareTripleChecker+Valid, 1642 SdHoareTripleChecker+Invalid, 1220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 217 IncrementalHoareTripleChecker+Valid, 1003 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-16 14:06:51,589 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [974 Valid, 1642 Invalid, 1220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [217 Valid, 1003 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-16 14:06:51,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10646 states. [2022-10-16 14:06:53,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10646 to 6059. [2022-10-16 14:06:53,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6059 states, 5153 states have (on average 1.2379196584513876) internal successors, (6379), 5169 states have internal predecessors, (6379), 487 states have call successors, (487), 387 states have call predecessors, (487), 417 states have return successors, (547), 502 states have call predecessors, (547), 487 states have call successors, (547) [2022-10-16 14:06:53,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6059 states to 6059 states and 7413 transitions. [2022-10-16 14:06:53,234 INFO L78 Accepts]: Start accepts. Automaton has 6059 states and 7413 transitions. Word has length 168 [2022-10-16 14:06:53,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:06:53,234 INFO L495 AbstractCegarLoop]: Abstraction has 6059 states and 7413 transitions. [2022-10-16 14:06:53,234 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 9.04) internal successors, (226), 24 states have internal predecessors, (226), 1 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-10-16 14:06:53,235 INFO L276 IsEmpty]: Start isEmpty. Operand 6059 states and 7413 transitions. [2022-10-16 14:06:53,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2022-10-16 14:06:53,245 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:06:53,246 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:06:53,287 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-10-16 14:06:53,459 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:06:53,459 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [tegra_rtc_wait_while_busyErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, tegra_rtc_wait_while_busyErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 12 more)] === [2022-10-16 14:06:53,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:06:53,460 INFO L85 PathProgramCache]: Analyzing trace with hash -211536415, now seen corresponding path program 1 times [2022-10-16 14:06:53,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:06:53,460 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885904655] [2022-10-16 14:06:53,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:06:53,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:06:53,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:53,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:06:53,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:53,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-16 14:06:53,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:53,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 14:06:53,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:53,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:06:53,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:53,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:06:53,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:53,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:06:53,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:53,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-16 14:06:53,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:53,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:06:53,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:53,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:06:53,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:53,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-10-16 14:06:53,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:53,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-16 14:06:53,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:53,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-16 14:06:53,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:53,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:06:53,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:53,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-10-16 14:06:53,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:54,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:06:54,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:54,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:06:54,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:54,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:06:54,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:54,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-16 14:06:54,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:54,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:06:54,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:54,031 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 68 proven. 6 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2022-10-16 14:06:54,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:06:54,032 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885904655] [2022-10-16 14:06:54,032 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [885904655] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:06:54,032 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [447580003] [2022-10-16 14:06:54,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:06:54,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:06:54,033 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:06:54,033 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:06:54,057 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-10-16 14:06:54,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:54,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 1072 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-16 14:06:54,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:06:54,457 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2022-10-16 14:06:54,458 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 14:06:54,458 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [447580003] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:06:54,458 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 14:06:54,458 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [10] total 11 [2022-10-16 14:06:54,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169931840] [2022-10-16 14:06:54,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:06:54,460 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 14:06:54,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:06:54,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 14:06:54,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2022-10-16 14:06:54,462 INFO L87 Difference]: Start difference. First operand 6059 states and 7413 transitions. Second operand has 3 states, 3 states have (on average 38.0) internal successors, (114), 2 states have internal predecessors, (114), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-10-16 14:06:55,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:06:55,059 INFO L93 Difference]: Finished difference Result 8362 states and 10249 transitions. [2022-10-16 14:06:55,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 14:06:55,059 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 2 states have internal predecessors, (114), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 194 [2022-10-16 14:06:55,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:06:55,068 INFO L225 Difference]: With dead ends: 8362 [2022-10-16 14:06:55,068 INFO L226 Difference]: Without dead ends: 2485 [2022-10-16 14:06:55,085 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 229 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2022-10-16 14:06:55,087 INFO L413 NwaCegarLoop]: 283 mSDtfsCounter, 214 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:06:55,087 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 283 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:06:55,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2485 states. [2022-10-16 14:06:55,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2485 to 2119. [2022-10-16 14:06:55,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2119 states, 1804 states have (on average 1.2111973392461197) internal successors, (2185), 1815 states have internal predecessors, (2185), 179 states have call successors, (179), 140 states have call predecessors, (179), 135 states have return successors, (183), 163 states have call predecessors, (183), 161 states have call successors, (183) [2022-10-16 14:06:55,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2119 states to 2119 states and 2547 transitions. [2022-10-16 14:06:55,609 INFO L78 Accepts]: Start accepts. Automaton has 2119 states and 2547 transitions. Word has length 194 [2022-10-16 14:06:55,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:06:55,609 INFO L495 AbstractCegarLoop]: Abstraction has 2119 states and 2547 transitions. [2022-10-16 14:06:55,609 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 2 states have internal predecessors, (114), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-10-16 14:06:55,610 INFO L276 IsEmpty]: Start isEmpty. Operand 2119 states and 2547 transitions. [2022-10-16 14:06:55,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2022-10-16 14:06:55,618 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:06:55,618 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 23, 23, 22, 22, 22, 3, 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] [2022-10-16 14:06:55,658 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2022-10-16 14:06:55,833 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2022-10-16 14:06:55,833 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting tegra_rtc_wait_while_busyErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [tegra_rtc_wait_while_busyErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, tegra_rtc_wait_while_busyErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 12 more)] === [2022-10-16 14:06:55,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:06:55,835 INFO L85 PathProgramCache]: Analyzing trace with hash 958945928, now seen corresponding path program 2 times [2022-10-16 14:06:55,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:06:55,835 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220910696] [2022-10-16 14:06:55,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:06:55,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:06:55,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:57,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:06:57,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:57,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-16 14:06:57,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:57,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-10-16 14:06:57,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:57,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:06:57,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:57,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-10-16 14:06:57,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:57,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:06:57,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:06:57,270 INFO L134 CoverageAnalysis]: Checked inductivity of 2006 backedges. 0 proven. 1980 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-10-16 14:06:57,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:06:57,271 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220910696] [2022-10-16 14:06:57,271 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220910696] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:06:57,271 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1232238305] [2022-10-16 14:06:57,271 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 14:06:57,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:06:57,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:06:57,275 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:06:57,292 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-10-16 14:06:57,580 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-10-16 14:06:57,580 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 14:06:57,587 INFO L263 TraceCheckSpWp]: Trace formula consists of 1324 conjuncts, 24 conjunts are in the unsatisfiable core [2022-10-16 14:06:57,593 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:06:57,846 INFO L134 CoverageAnalysis]: Checked inductivity of 2006 backedges. 0 proven. 1980 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-10-16 14:06:57,846 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:06:59,090 INFO L134 CoverageAnalysis]: Checked inductivity of 2006 backedges. 0 proven. 1980 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-10-16 14:06:59,090 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1232238305] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:06:59,091 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:06:59,091 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 24, 24] total 49 [2022-10-16 14:06:59,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951761161] [2022-10-16 14:06:59,091 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:06:59,095 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2022-10-16 14:06:59,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:06:59,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2022-10-16 14:06:59,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1133, Invalid=1317, Unknown=0, NotChecked=0, Total=2450 [2022-10-16 14:06:59,097 INFO L87 Difference]: Start difference. First operand 2119 states and 2547 transitions. Second operand has 50 states, 49 states have (on average 8.510204081632653) internal successors, (417), 48 states have internal predecessors, (417), 1 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-10-16 14:07:04,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:07:04,288 INFO L93 Difference]: Finished difference Result 5410 states and 6515 transitions. [2022-10-16 14:07:04,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2022-10-16 14:07:04,289 INFO L78 Accepts]: Start accepts. Automaton has has 50 states, 49 states have (on average 8.510204081632653) internal successors, (417), 48 states have internal predecessors, (417), 1 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 263 [2022-10-16 14:07:04,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:07:04,309 INFO L225 Difference]: With dead ends: 5410 [2022-10-16 14:07:04,309 INFO L226 Difference]: Without dead ends: 5409 [2022-10-16 14:07:04,317 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 606 GetRequests, 512 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1333 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=3433, Invalid=5687, Unknown=0, NotChecked=0, Total=9120 [2022-10-16 14:07:04,318 INFO L413 NwaCegarLoop]: 287 mSDtfsCounter, 1748 mSDsluCounter, 1899 mSDsCounter, 0 mSdLazyCounter, 1719 mSolverCounterSat, 214 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1752 SdHoareTripleChecker+Valid, 2186 SdHoareTripleChecker+Invalid, 1933 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 214 IncrementalHoareTripleChecker+Valid, 1719 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-10-16 14:07:04,318 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1752 Valid, 2186 Invalid, 1933 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [214 Valid, 1719 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-10-16 14:07:04,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5409 states. [2022-10-16 14:07:05,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5409 to 2887. [2022-10-16 14:07:05,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2887 states, 2572 states have (on average 1.2041213063763607) internal successors, (3097), 2583 states have internal predecessors, (3097), 179 states have call successors, (179), 140 states have call predecessors, (179), 135 states have return successors, (183), 163 states have call predecessors, (183), 161 states have call successors, (183) [2022-10-16 14:07:05,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2887 states to 2887 states and 3459 transitions. [2022-10-16 14:07:05,174 INFO L78 Accepts]: Start accepts. Automaton has 2887 states and 3459 transitions. Word has length 263 [2022-10-16 14:07:05,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:07:05,175 INFO L495 AbstractCegarLoop]: Abstraction has 2887 states and 3459 transitions. [2022-10-16 14:07:05,175 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 49 states have (on average 8.510204081632653) internal successors, (417), 48 states have internal predecessors, (417), 1 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-10-16 14:07:05,175 INFO L276 IsEmpty]: Start isEmpty. Operand 2887 states and 3459 transitions. [2022-10-16 14:07:05,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 456 [2022-10-16 14:07:05,183 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:07:05,183 INFO L195 NwaCegarLoop]: trace histogram [47, 47, 47, 47, 47, 46, 46, 46, 3, 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] [2022-10-16 14:07:05,210 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2022-10-16 14:07:05,384 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2022-10-16 14:07:05,384 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting tegra_rtc_wait_while_busyErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [tegra_rtc_wait_while_busyErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, tegra_rtc_wait_while_busyErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 12 more)] === [2022-10-16 14:07:05,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:07:05,385 INFO L85 PathProgramCache]: Analyzing trace with hash -853993624, now seen corresponding path program 3 times [2022-10-16 14:07:05,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:07:05,386 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907863505] [2022-10-16 14:07:05,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:07:05,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:07:05,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:09,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:07:09,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:09,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-16 14:07:09,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:09,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-10-16 14:07:09,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:09,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:07:09,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:09,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-10-16 14:07:09,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:09,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:07:09,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:09,486 INFO L134 CoverageAnalysis]: Checked inductivity of 8582 backedges. 0 proven. 8556 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-10-16 14:07:09,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:07:09,486 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907863505] [2022-10-16 14:07:09,486 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [907863505] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:07:09,487 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1903742837] [2022-10-16 14:07:09,487 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-10-16 14:07:09,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:07:09,487 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:07:09,496 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:07:09,513 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2022-10-16 14:07:09,747 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-10-16 14:07:09,747 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 14:07:09,750 INFO L263 TraceCheckSpWp]: Trace formula consists of 715 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-16 14:07:09,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:07:09,810 INFO L134 CoverageAnalysis]: Checked inductivity of 8582 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8578 trivial. 0 not checked. [2022-10-16 14:07:09,810 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 14:07:09,810 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1903742837] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:07:09,810 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 14:07:09,811 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [50] total 52 [2022-10-16 14:07:09,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33556936] [2022-10-16 14:07:09,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:07:09,812 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 14:07:09,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:07:09,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 14:07:09,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1183, Invalid=1469, Unknown=0, NotChecked=0, Total=2652 [2022-10-16 14:07:09,814 INFO L87 Difference]: Start difference. First operand 2887 states and 3459 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-16 14:07:10,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:07:10,562 INFO L93 Difference]: Finished difference Result 5752 states and 6894 transitions. [2022-10-16 14:07:10,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 14:07:10,562 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 455 [2022-10-16 14:07:10,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:07:10,570 INFO L225 Difference]: With dead ends: 5752 [2022-10-16 14:07:10,570 INFO L226 Difference]: Without dead ends: 2888 [2022-10-16 14:07:10,578 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 514 GetRequests, 464 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1183, Invalid=1469, Unknown=0, NotChecked=0, Total=2652 [2022-10-16 14:07:10,579 INFO L413 NwaCegarLoop]: 279 mSDtfsCounter, 0 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 556 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:07:10,579 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 556 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:07:10,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2888 states. [2022-10-16 14:07:11,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2888 to 2888. [2022-10-16 14:07:11,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2888 states, 2573 states have (on average 1.204041974349009) internal successors, (3098), 2584 states have internal predecessors, (3098), 179 states have call successors, (179), 140 states have call predecessors, (179), 135 states have return successors, (183), 163 states have call predecessors, (183), 161 states have call successors, (183) [2022-10-16 14:07:11,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2888 states to 2888 states and 3460 transitions. [2022-10-16 14:07:11,254 INFO L78 Accepts]: Start accepts. Automaton has 2888 states and 3460 transitions. Word has length 455 [2022-10-16 14:07:11,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:07:11,255 INFO L495 AbstractCegarLoop]: Abstraction has 2888 states and 3460 transitions. [2022-10-16 14:07:11,255 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-16 14:07:11,255 INFO L276 IsEmpty]: Start isEmpty. Operand 2888 states and 3460 transitions. [2022-10-16 14:07:11,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 457 [2022-10-16 14:07:11,267 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:07:11,267 INFO L195 NwaCegarLoop]: trace histogram [47, 47, 47, 47, 47, 46, 46, 46, 3, 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] [2022-10-16 14:07:11,302 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2022-10-16 14:07:11,481 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2022-10-16 14:07:11,481 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting tegra_rtc_wait_while_busyErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [tegra_rtc_wait_while_busyErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, tegra_rtc_wait_while_busyErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 12 more)] === [2022-10-16 14:07:11,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:07:11,482 INFO L85 PathProgramCache]: Analyzing trace with hash -716820001, now seen corresponding path program 1 times [2022-10-16 14:07:11,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:07:11,483 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838464684] [2022-10-16 14:07:11,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:07:11,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:07:11,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:15,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:07:15,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:15,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-16 14:07:15,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:15,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-16 14:07:15,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:15,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:07:15,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:15,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-10-16 14:07:15,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:15,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:07:15,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:15,147 INFO L134 CoverageAnalysis]: Checked inductivity of 8583 backedges. 0 proven. 8556 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-10-16 14:07:15,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:07:15,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838464684] [2022-10-16 14:07:15,147 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1838464684] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:07:15,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1772149502] [2022-10-16 14:07:15,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:07:15,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:07:15,148 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:07:15,149 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:07:15,152 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2022-10-16 14:07:15,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:15,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 2035 conjuncts, 48 conjunts are in the unsatisfiable core [2022-10-16 14:07:15,625 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:07:16,085 INFO L134 CoverageAnalysis]: Checked inductivity of 8583 backedges. 0 proven. 8556 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-10-16 14:07:16,085 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:07:19,896 INFO L134 CoverageAnalysis]: Checked inductivity of 8583 backedges. 0 proven. 8556 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-10-16 14:07:19,896 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1772149502] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:07:19,896 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:07:19,896 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50, 48, 48] total 97 [2022-10-16 14:07:19,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319431027] [2022-10-16 14:07:19,897 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:07:19,898 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 98 states [2022-10-16 14:07:19,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:07:19,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 98 interpolants. [2022-10-16 14:07:19,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4565, Invalid=4941, Unknown=0, NotChecked=0, Total=9506 [2022-10-16 14:07:19,904 INFO L87 Difference]: Start difference. First operand 2888 states and 3460 transitions. Second operand has 98 states, 97 states have (on average 8.268041237113403) internal successors, (802), 96 states have internal predecessors, (802), 1 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-10-16 14:07:35,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:07:35,088 INFO L93 Difference]: Finished difference Result 9347 states and 11220 transitions. [2022-10-16 14:07:35,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 191 states. [2022-10-16 14:07:35,089 INFO L78 Accepts]: Start accepts. Automaton has has 98 states, 97 states have (on average 8.268041237113403) internal successors, (802), 96 states have internal predecessors, (802), 1 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 456 [2022-10-16 14:07:35,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:07:35,124 INFO L225 Difference]: With dead ends: 9347 [2022-10-16 14:07:35,124 INFO L226 Difference]: Without dead ends: 9346 [2022-10-16 14:07:35,140 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1064 GetRequests, 874 SyntacticMatches, 0 SemanticMatches, 190 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5545 ImplicationChecksByTransitivity, 9.4s TimeCoverageRelationStatistics Valid=13777, Invalid=22895, Unknown=0, NotChecked=0, Total=36672 [2022-10-16 14:07:35,141 INFO L413 NwaCegarLoop]: 303 mSDtfsCounter, 3169 mSDsluCounter, 1482 mSDsCounter, 0 mSdLazyCounter, 1807 mSolverCounterSat, 192 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3173 SdHoareTripleChecker+Valid, 1785 SdHoareTripleChecker+Invalid, 1999 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 192 IncrementalHoareTripleChecker+Valid, 1807 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-10-16 14:07:35,142 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3173 Valid, 1785 Invalid, 1999 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [192 Valid, 1807 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-10-16 14:07:35,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9346 states. [2022-10-16 14:07:36,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9346 to 4424. [2022-10-16 14:07:36,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4424 states, 4109 states have (on average 1.1978583596982235) internal successors, (4922), 4120 states have internal predecessors, (4922), 179 states have call successors, (179), 140 states have call predecessors, (179), 135 states have return successors, (183), 163 states have call predecessors, (183), 161 states have call successors, (183) [2022-10-16 14:07:36,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4424 states to 4424 states and 5284 transitions. [2022-10-16 14:07:36,685 INFO L78 Accepts]: Start accepts. Automaton has 4424 states and 5284 transitions. Word has length 456 [2022-10-16 14:07:36,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:07:36,686 INFO L495 AbstractCegarLoop]: Abstraction has 4424 states and 5284 transitions. [2022-10-16 14:07:36,686 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 98 states, 97 states have (on average 8.268041237113403) internal successors, (802), 96 states have internal predecessors, (802), 1 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-10-16 14:07:36,686 INFO L276 IsEmpty]: Start isEmpty. Operand 4424 states and 5284 transitions. [2022-10-16 14:07:36,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 841 [2022-10-16 14:07:36,701 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:07:36,702 INFO L195 NwaCegarLoop]: trace histogram [95, 95, 95, 95, 95, 94, 94, 94, 3, 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] [2022-10-16 14:07:36,728 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2022-10-16 14:07:36,902 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2022-10-16 14:07:36,903 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting tegra_rtc_wait_while_busyErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [tegra_rtc_wait_while_busyErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, tegra_rtc_wait_while_busyErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 12 more)] === [2022-10-16 14:07:36,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:07:36,905 INFO L85 PathProgramCache]: Analyzing trace with hash -1988273249, now seen corresponding path program 2 times [2022-10-16 14:07:36,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:07:36,905 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353915685] [2022-10-16 14:07:36,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:07:36,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:07:37,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:49,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:07:49,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:49,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-16 14:07:49,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:49,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-16 14:07:49,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:49,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:07:49,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:49,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-10-16 14:07:49,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:49,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:07:49,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:07:49,234 INFO L134 CoverageAnalysis]: Checked inductivity of 35559 backedges. 0 proven. 35532 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-10-16 14:07:49,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:07:49,234 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353915685] [2022-10-16 14:07:49,234 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353915685] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:07:49,235 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [111672497] [2022-10-16 14:07:49,235 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 14:07:49,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:07:49,235 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:07:49,236 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:07:49,238 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2022-10-16 14:07:49,973 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-10-16 14:07:49,974 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 14:07:49,991 INFO L263 TraceCheckSpWp]: Trace formula consists of 3427 conjuncts, 96 conjunts are in the unsatisfiable core [2022-10-16 14:07:50,009 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:07:51,184 INFO L134 CoverageAnalysis]: Checked inductivity of 35559 backedges. 0 proven. 35532 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-10-16 14:07:51,184 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:08:05,642 INFO L134 CoverageAnalysis]: Checked inductivity of 35559 backedges. 0 proven. 35532 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-10-16 14:08:05,642 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [111672497] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:08:05,642 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:08:05,643 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [98, 96, 96] total 193 [2022-10-16 14:08:05,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428706738] [2022-10-16 14:08:05,643 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:08:05,646 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 194 states [2022-10-16 14:08:05,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:08:05,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 194 interpolants. [2022-10-16 14:08:05,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18341, Invalid=19101, Unknown=0, NotChecked=0, Total=37442 [2022-10-16 14:08:05,660 INFO L87 Difference]: Start difference. First operand 4424 states and 5284 transitions. Second operand has 194 states, 193 states have (on average 8.134715025906736) internal successors, (1570), 192 states have internal predecessors, (1570), 1 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5)