/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 [2022-10-15 21:33:49,278 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 21:33:49,282 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 21:33:49,319 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 21:33:49,320 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 21:33:49,322 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 21:33:49,333 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 21:33:49,340 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 21:33:49,342 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 21:33:49,344 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 21:33:49,345 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 21:33:49,347 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 21:33:49,348 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 21:33:49,349 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 21:33:49,351 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 21:33:49,352 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 21:33:49,353 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 21:33:49,354 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 21:33:49,357 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 21:33:49,359 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 21:33:49,361 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 21:33:49,363 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 21:33:49,365 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 21:33:49,366 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 21:33:49,371 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-15 21:33:49,371 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-15 21:33:49,372 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-15 21:33:49,373 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-15 21:33:49,374 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-15 21:33:49,375 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-15 21:33:49,376 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 21:33:49,377 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 21:33:49,378 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 21:33:49,379 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 21:33:49,381 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 21:33:49,382 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 21:33:49,383 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 21:33:49,383 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 21:33:49,384 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 21:33:49,385 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 21:33:49,387 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 21:33:49,388 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-15 21:33:49,420 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 21:33:49,421 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 21:33:49,421 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 21:33:49,421 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 21:33:49,422 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 21:33:49,423 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 21:33:49,424 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 21:33:49,425 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 21:33:49,425 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 21:33:49,425 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 21:33:49,426 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 21:33:49,426 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 21:33:49,426 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 21:33:49,427 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 21:33:49,427 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 21:33:49,427 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 21:33:49,428 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 21:33:49,428 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 21:33:49,428 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 21:33:49,428 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 21:33:49,429 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 21:33:49,429 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 21:33:49,429 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 21:33:49,430 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 21:33:49,430 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 21:33:49,430 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 21:33:49,431 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:33:49,431 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 21:33:49,431 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 21:33:49,432 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 21:33:49,432 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 21:33:49,432 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 21:33:49,433 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 21:33:49,433 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 21:33:49,894 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 21:33:49,945 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 21:33:49,949 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 21:33:49,951 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 21:33:49,952 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 21:33:49,953 INFO L432 ainManager$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 [2022-10-15 21:33:50,030 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7cad8d79/c2b07b73cea8422881d88e5a47fa8924/FLAG809e21c59 [2022-10-15 21:33:50,954 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 21:33:50,954 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 [2022-10-15 21:33:50,990 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7cad8d79/c2b07b73cea8422881d88e5a47fa8924/FLAG809e21c59 [2022-10-15 21:33:51,020 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7cad8d79/c2b07b73cea8422881d88e5a47fa8924 [2022-10-15 21:33:51,023 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 21:33:51,030 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 21:33:51,031 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 21:33:51,032 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 21:33:51,037 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 21:33:51,038 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:33:51" (1/1) ... [2022-10-15 21:33:51,043 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67987671 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:33:51, skipping insertion in model container [2022-10-15 21:33:51,043 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:33:51" (1/1) ... [2022-10-15 21:33:51,053 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 21:33:51,129 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 21:33:51,621 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] [2022-10-15 21:33:52,003 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:33:52,023 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 21:33:52,131 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] [2022-10-15 21:33:52,241 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:33:52,284 INFO L208 MainTranslator]: Completed translation [2022-10-15 21:33:52,285 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:33:52 WrapperNode [2022-10-15 21:33:52,285 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 21:33:52,287 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 21:33:52,287 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 21:33:52,287 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 21:33:52,297 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:33:52" (1/1) ... [2022-10-15 21:33:52,349 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:33:52" (1/1) ... [2022-10-15 21:33:52,448 INFO L138 Inliner]: procedures = 117, calls = 360, calls flagged for inlining = 51, calls inlined = 35, statements flattened = 877 [2022-10-15 21:33:52,449 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 21:33:52,450 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 21:33:52,450 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 21:33:52,450 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 21:33:52,462 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:33:52" (1/1) ... [2022-10-15 21:33:52,462 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:33:52" (1/1) ... [2022-10-15 21:33:52,473 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:33:52" (1/1) ... [2022-10-15 21:33:52,474 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:33:52" (1/1) ... [2022-10-15 21:33:52,511 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:33:52" (1/1) ... [2022-10-15 21:33:52,534 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:33:52" (1/1) ... [2022-10-15 21:33:52,553 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:33:52" (1/1) ... [2022-10-15 21:33:52,566 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:33:52" (1/1) ... [2022-10-15 21:33:52,581 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 21:33:52,583 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 21:33:52,583 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 21:33:52,583 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 21:33:52,584 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:33:52" (1/1) ... [2022-10-15 21:33:52,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:33:52,605 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:33:52,622 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-15 21:33:52,646 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-15 21:33:52,712 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-10-15 21:33:52,712 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-10-15 21:33:52,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-15 21:33:52,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-15 21:33:52,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-15 21:33:52,713 INFO L130 BoogieDeclarations]: Found specification of procedure rtc_time_to_tm [2022-10-15 21:33:52,713 INFO L138 BoogieDeclarations]: Found implementation of procedure rtc_time_to_tm [2022-10-15 21:33:52,713 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_proc [2022-10-15 21:33:52,714 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_proc [2022-10-15 21:33:52,714 INFO L130 BoogieDeclarations]: Found specification of procedure irq_set_irq_wake [2022-10-15 21:33:52,714 INFO L138 BoogieDeclarations]: Found implementation of procedure irq_set_irq_wake [2022-10-15 21:33:52,714 INFO L130 BoogieDeclarations]: Found specification of procedure outer_sync [2022-10-15 21:33:52,714 INFO L138 BoogieDeclarations]: Found implementation of procedure outer_sync [2022-10-15 21:33:52,714 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_remove [2022-10-15 21:33:52,715 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_remove [2022-10-15 21:33:52,715 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_shutdown [2022-10-15 21:33:52,715 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_shutdown [2022-10-15 21:33:52,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-15 21:33:52,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-15 21:33:52,715 INFO L130 BoogieDeclarations]: Found specification of procedure rtc_tm_to_time [2022-10-15 21:33:52,716 INFO L138 BoogieDeclarations]: Found implementation of procedure rtc_tm_to_time [2022-10-15 21:33:52,716 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-10-15 21:33:52,716 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-10-15 21:33:52,716 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-15 21:33:52,716 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-15 21:33:52,716 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_set_alarm [2022-10-15 21:33:52,716 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_set_alarm [2022-10-15 21:33:52,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-15 21:33:52,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-15 21:33:52,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-15 21:33:52,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_check [2022-10-15 21:33:52,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_check [2022-10-15 21:33:52,717 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_alarm_irq_enable [2022-10-15 21:33:52,718 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_alarm_irq_enable [2022-10-15 21:33:52,718 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_iounmap [2022-10-15 21:33:52,718 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_iounmap [2022-10-15 21:33:52,718 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-15 21:33:52,718 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-15 21:33:52,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-15 21:33:52,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 21:33:52,719 INFO L130 BoogieDeclarations]: Found specification of procedure rtc_device_unregister [2022-10-15 21:33:52,719 INFO L138 BoogieDeclarations]: Found implementation of procedure rtc_device_unregister [2022-10-15 21:33:52,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-15 21:33:52,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-10-15 21:33:52,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-10-15 21:33:52,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-15 21:33:52,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-10-15 21:33:52,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-10-15 21:33:52,720 INFO L130 BoogieDeclarations]: Found specification of procedure device_may_wakeup [2022-10-15 21:33:52,720 INFO L138 BoogieDeclarations]: Found implementation of procedure device_may_wakeup [2022-10-15 21:33:52,720 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-10-15 21:33:52,720 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-10-15 21:33:52,720 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2022-10-15 21:33:52,721 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2022-10-15 21:33:52,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-15 21:33:52,721 INFO L130 BoogieDeclarations]: Found specification of procedure platform_set_drvdata [2022-10-15 21:33:52,721 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_set_drvdata [2022-10-15 21:33:52,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-15 21:33:52,721 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2022-10-15 21:33:52,722 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2022-10-15 21:33:52,722 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_read_time [2022-10-15 21:33:52,722 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_read_time [2022-10-15 21:33:52,722 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_wait_while_busy [2022-10-15 21:33:52,722 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_wait_while_busy [2022-10-15 21:33:52,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 21:33:52,722 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2022-10-15 21:33:52,723 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2022-10-15 21:33:52,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-10-15 21:33:52,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-10-15 21:33:52,723 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_set_time [2022-10-15 21:33:52,723 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_set_time [2022-10-15 21:33:52,723 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 21:33:52,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 21:33:53,109 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 21:33:53,113 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 21:33:53,359 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-15 21:33:54,447 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 21:33:54,462 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 21:33:54,462 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 21:33:54,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:33:54 BoogieIcfgContainer [2022-10-15 21:33:54,466 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 21:33:54,469 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 21:33:54,470 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 21:33:54,474 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 21:33:54,474 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 09:33:51" (1/3) ... [2022-10-15 21:33:54,475 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a05f7c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:33:54, skipping insertion in model container [2022-10-15 21:33:54,476 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:33:52" (2/3) ... [2022-10-15 21:33:54,476 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a05f7c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:33:54, skipping insertion in model container [2022-10-15 21:33:54,476 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:33:54" (3/3) ... [2022-10-15 21:33:54,478 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-stable-9ec4f65-1-110_1a-drivers--rtc--rtc-tegra.ko-entry_point.cil.out.i [2022-10-15 21:33:54,502 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 21:33:54,502 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2022-10-15 21:33:54,584 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 21:33:54,593 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;@31a9849, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 21:33:54,594 INFO L358 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2022-10-15 21:33:54,601 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) [2022-10-15 21:33:54,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-15 21:33:54,621 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:33:54,623 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:33:54,624 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)] === [2022-10-15 21:33:54,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:33:54,631 INFO L85 PathProgramCache]: Analyzing trace with hash 615490511, now seen corresponding path program 1 times [2022-10-15 21:33:54,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:33:54,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370367684] [2022-10-15 21:33:54,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:33:54,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:33:54,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:33:55,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:33:55,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:33:55,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:33:55,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:33:55,230 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370367684] [2022-10-15 21:33:55,231 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1370367684] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:33:55,231 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:33:55,231 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:33:55,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47217515] [2022-10-15 21:33:55,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:33:55,246 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:33:55,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:33:55,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:33:55,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:33:55,300 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) [2022-10-15 21:33:56,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:33:56,669 INFO L93 Difference]: Finished difference Result 1286 states and 1911 transitions. [2022-10-15 21:33:56,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:33:56,672 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 [2022-10-15 21:33:56,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:33:56,699 INFO L225 Difference]: With dead ends: 1286 [2022-10-15 21:33:56,699 INFO L226 Difference]: Without dead ends: 832 [2022-10-15 21:33:56,710 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 [2022-10-15 21:33:56,715 INFO L413 NwaCegarLoop]: 597 mSDtfsCounter, 668 mSDsluCounter, 572 mSDsCounter, 0 mSdLazyCounter, 526 mSolverCounterSat, 216 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 714 SdHoareTripleChecker+Valid, 1169 SdHoareTripleChecker+Invalid, 742 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 216 IncrementalHoareTripleChecker+Valid, 526 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:33:56,716 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [714 Valid, 1169 Invalid, 742 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [216 Valid, 526 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-10-15 21:33:56,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 832 states. [2022-10-15 21:33:56,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 832 to 665. [2022-10-15 21:33:56,885 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) [2022-10-15 21:33:56,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 665 states and 893 transitions. [2022-10-15 21:33:56,894 INFO L78 Accepts]: Start accepts. Automaton has 665 states and 893 transitions. Word has length 25 [2022-10-15 21:33:56,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:33:56,895 INFO L495 AbstractCegarLoop]: Abstraction has 665 states and 893 transitions. [2022-10-15 21:33:56,895 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) [2022-10-15 21:33:56,896 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 893 transitions. [2022-10-15 21:33:56,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-15 21:33:56,899 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:33:56,899 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] [2022-10-15 21:33:56,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 21:33:56,900 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)] === [2022-10-15 21:33:56,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:33:56,901 INFO L85 PathProgramCache]: Analyzing trace with hash 109468249, now seen corresponding path program 1 times [2022-10-15 21:33:56,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:33:56,901 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201859382] [2022-10-15 21:33:56,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:33:56,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:33:56,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:33:57,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:33:57,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:33:57,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:33:57,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:33:57,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201859382] [2022-10-15 21:33:57,072 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [201859382] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:33:57,073 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:33:57,073 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:33:57,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146368057] [2022-10-15 21:33:57,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:33:57,075 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:33:57,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:33:57,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:33:57,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:33:57,076 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) [2022-10-15 21:33:57,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:33:57,541 INFO L93 Difference]: Finished difference Result 1189 states and 1593 transitions. [2022-10-15 21:33:57,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 21:33:57,541 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 [2022-10-15 21:33:57,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:33:57,547 INFO L225 Difference]: With dead ends: 1189 [2022-10-15 21:33:57,548 INFO L226 Difference]: Without dead ends: 541 [2022-10-15 21:33:57,551 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 [2022-10-15 21:33:57,553 INFO L413 NwaCegarLoop]: 375 mSDtfsCounter, 544 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 121 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 574 SdHoareTripleChecker+Valid, 522 SdHoareTripleChecker+Invalid, 286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 121 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 21:33:57,554 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [574 Valid, 522 Invalid, 286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [121 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 21:33:57,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 541 states. [2022-10-15 21:33:57,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 541 to 414. [2022-10-15 21:33:57,615 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) [2022-10-15 21:33:57,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 531 transitions. [2022-10-15 21:33:57,620 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 531 transitions. Word has length 26 [2022-10-15 21:33:57,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:33:57,621 INFO L495 AbstractCegarLoop]: Abstraction has 414 states and 531 transitions. [2022-10-15 21:33:57,621 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) [2022-10-15 21:33:57,621 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 531 transitions. [2022-10-15 21:33:57,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-15 21:33:57,628 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:33:57,629 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] [2022-10-15 21:33:57,630 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 21:33:57,631 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)] === [2022-10-15 21:33:57,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:33:57,637 INFO L85 PathProgramCache]: Analyzing trace with hash 2113993283, now seen corresponding path program 1 times [2022-10-15 21:33:57,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:33:57,637 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643270012] [2022-10-15 21:33:57,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:33:57,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:33:57,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:33:57,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:33:57,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:33:57,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-15 21:33:57,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:33:57,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:33:57,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:33:57,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-15 21:33:57,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:33:57,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:33:57,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:33:57,978 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-15 21:33:57,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:33:57,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643270012] [2022-10-15 21:33:57,979 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [643270012] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:33:57,980 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:33:57,980 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-15 21:33:57,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947968311] [2022-10-15 21:33:57,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:33:57,981 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 21:33:57,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:33:57,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 21:33:57,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-15 21:33:57,983 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) [2022-10-15 21:33:58,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:33:58,703 INFO L93 Difference]: Finished difference Result 961 states and 1261 transitions. [2022-10-15 21:33:58,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-15 21:33:58,704 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 [2022-10-15 21:33:58,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:33:58,710 INFO L225 Difference]: With dead ends: 961 [2022-10-15 21:33:58,710 INFO L226 Difference]: Without dead ends: 564 [2022-10-15 21:33:58,713 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 [2022-10-15 21:33:58,715 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, 0.6s IncrementalHoareTripleChecker+Time [2022-10-15 21:33:58,715 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [721 Valid, 1052 Invalid, 690 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [200 Valid, 490 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-15 21:33:58,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2022-10-15 21:33:58,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 424. [2022-10-15 21:33:58,766 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) [2022-10-15 21:33:58,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 538 transitions. [2022-10-15 21:33:58,770 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 538 transitions. Word has length 51 [2022-10-15 21:33:58,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:33:58,771 INFO L495 AbstractCegarLoop]: Abstraction has 424 states and 538 transitions. [2022-10-15 21:33:58,771 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) [2022-10-15 21:33:58,772 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 538 transitions. [2022-10-15 21:33:58,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-15 21:33:58,774 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:33:58,775 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] [2022-10-15 21:33:58,775 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 21:33:58,775 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)] === [2022-10-15 21:33:58,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:33:58,776 INFO L85 PathProgramCache]: Analyzing trace with hash 465450528, now seen corresponding path program 1 times [2022-10-15 21:33:58,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:33:58,777 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005953469] [2022-10-15 21:33:58,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:33:58,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:33:58,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:33:58,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:33:58,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:33:58,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-15 21:33:58,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:33:58,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:33:58,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:33:58,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-15 21:33:58,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:33:58,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:33:58,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:33:58,991 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-15 21:33:58,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:33:58,992 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005953469] [2022-10-15 21:33:58,992 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005953469] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:33:58,993 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:33:58,993 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-15 21:33:58,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352162899] [2022-10-15 21:33:58,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:33:58,994 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 21:33:58,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:33:58,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 21:33:58,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-15 21:33:58,995 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) [2022-10-15 21:33:59,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:33:59,703 INFO L93 Difference]: Finished difference Result 981 states and 1270 transitions. [2022-10-15 21:33:59,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-15 21:33:59,704 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 [2022-10-15 21:33:59,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:33:59,709 INFO L225 Difference]: With dead ends: 981 [2022-10-15 21:33:59,709 INFO L226 Difference]: Without dead ends: 574 [2022-10-15 21:33:59,711 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 [2022-10-15 21:33:59,716 INFO L413 NwaCegarLoop]: 378 mSDtfsCounter, 683 mSDsluCounter, 664 mSDsCounter, 0 mSdLazyCounter, 488 mSolverCounterSat, 200 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 715 SdHoareTripleChecker+Valid, 1042 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 [2022-10-15 21:33:59,718 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [715 Valid, 1042 Invalid, 688 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [200 Valid, 488 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-15 21:33:59,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states. [2022-10-15 21:33:59,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 434. [2022-10-15 21:33:59,773 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) [2022-10-15 21:33:59,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 545 transitions. [2022-10-15 21:33:59,776 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 545 transitions. Word has length 53 [2022-10-15 21:33:59,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:33:59,777 INFO L495 AbstractCegarLoop]: Abstraction has 434 states and 545 transitions. [2022-10-15 21:33:59,777 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) [2022-10-15 21:33:59,777 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 545 transitions. [2022-10-15 21:33:59,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-15 21:33:59,781 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:33:59,782 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] [2022-10-15 21:33:59,782 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 21:33:59,782 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)] === [2022-10-15 21:33:59,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:33:59,783 INFO L85 PathProgramCache]: Analyzing trace with hash 441939799, now seen corresponding path program 1 times [2022-10-15 21:33:59,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:33:59,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164885452] [2022-10-15 21:33:59,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:33:59,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:33:59,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:33:59,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:34:00,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:00,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-15 21:34:00,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:00,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:34:00,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:00,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-15 21:34:00,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:00,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:34:00,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:00,060 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-15 21:34:00,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:34:00,060 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164885452] [2022-10-15 21:34:00,060 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164885452] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:34:00,061 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:34:00,061 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-15 21:34:00,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267454241] [2022-10-15 21:34:00,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:34:00,062 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 21:34:00,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:34:00,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 21:34:00,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-15 21:34:00,064 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) [2022-10-15 21:34:00,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:34:00,869 INFO L93 Difference]: Finished difference Result 1001 states and 1279 transitions. [2022-10-15 21:34:00,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-15 21:34:00,870 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 [2022-10-15 21:34:00,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:34:00,874 INFO L225 Difference]: With dead ends: 1001 [2022-10-15 21:34:00,875 INFO L226 Difference]: Without dead ends: 584 [2022-10-15 21:34:00,877 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 [2022-10-15 21:34:00,878 INFO L413 NwaCegarLoop]: 379 mSDtfsCounter, 541 mSDsluCounter, 817 mSDsCounter, 0 mSdLazyCounter, 615 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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, 0.6s IncrementalHoareTripleChecker+Time [2022-10-15 21:34:00,878 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [570 Valid, 1196 Invalid, 741 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 615 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-15 21:34:00,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 584 states. [2022-10-15 21:34:00,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 584 to 444. [2022-10-15 21:34:00,927 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) [2022-10-15 21:34:00,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 552 transitions. [2022-10-15 21:34:00,931 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 552 transitions. Word has length 52 [2022-10-15 21:34:00,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:34:00,931 INFO L495 AbstractCegarLoop]: Abstraction has 444 states and 552 transitions. [2022-10-15 21:34:00,932 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) [2022-10-15 21:34:00,932 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 552 transitions. [2022-10-15 21:34:00,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-15 21:34:00,934 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:34:00,934 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] [2022-10-15 21:34:00,934 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 21:34:00,935 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)] === [2022-10-15 21:34:00,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:34:00,935 INFO L85 PathProgramCache]: Analyzing trace with hash -1285508902, now seen corresponding path program 1 times [2022-10-15 21:34:00,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:34:00,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206729284] [2022-10-15 21:34:00,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:34:00,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:34:00,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:01,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:34:01,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:01,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-15 21:34:01,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:01,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:34:01,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:01,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-15 21:34:01,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:01,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:34:01,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:01,118 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-15 21:34:01,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:34:01,119 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206729284] [2022-10-15 21:34:01,119 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206729284] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:34:01,120 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:34:01,120 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-15 21:34:01,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861040111] [2022-10-15 21:34:01,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:34:01,121 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 21:34:01,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:34:01,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 21:34:01,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-15 21:34:01,122 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) [2022-10-15 21:34:02,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:34:02,400 INFO L93 Difference]: Finished difference Result 1425 states and 1804 transitions. [2022-10-15 21:34:02,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-15 21:34:02,401 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 [2022-10-15 21:34:02,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:34:02,409 INFO L225 Difference]: With dead ends: 1425 [2022-10-15 21:34:02,409 INFO L226 Difference]: Without dead ends: 998 [2022-10-15 21:34:02,414 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 [2022-10-15 21:34:02,415 INFO L413 NwaCegarLoop]: 462 mSDtfsCounter, 591 mSDsluCounter, 1155 mSDsCounter, 0 mSdLazyCounter, 1075 mSolverCounterSat, 170 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 627 SdHoareTripleChecker+Valid, 1617 SdHoareTripleChecker+Invalid, 1245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 170 IncrementalHoareTripleChecker+Valid, 1075 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:34:02,416 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [627 Valid, 1617 Invalid, 1245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [170 Valid, 1075 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-10-15 21:34:02,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 998 states. [2022-10-15 21:34:02,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 998 to 748. [2022-10-15 21:34:02,491 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) [2022-10-15 21:34:02,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 748 states and 951 transitions. [2022-10-15 21:34:02,496 INFO L78 Accepts]: Start accepts. Automaton has 748 states and 951 transitions. Word has length 50 [2022-10-15 21:34:02,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:34:02,497 INFO L495 AbstractCegarLoop]: Abstraction has 748 states and 951 transitions. [2022-10-15 21:34:02,497 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) [2022-10-15 21:34:02,497 INFO L276 IsEmpty]: Start isEmpty. Operand 748 states and 951 transitions. [2022-10-15 21:34:02,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-15 21:34:02,500 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:34:02,501 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] [2022-10-15 21:34:02,501 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-15 21:34:02,501 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)] === [2022-10-15 21:34:02,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:34:02,502 INFO L85 PathProgramCache]: Analyzing trace with hash 612927045, now seen corresponding path program 1 times [2022-10-15 21:34:02,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:34:02,502 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290646932] [2022-10-15 21:34:02,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:34:02,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:34:02,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:02,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:34:02,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:02,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-15 21:34:02,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:02,684 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-15 21:34:02,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:34:02,684 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290646932] [2022-10-15 21:34:02,685 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1290646932] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:34:02,685 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:34:02,685 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:34:02,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49672348] [2022-10-15 21:34:02,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:34:02,686 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:34:02,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:34:02,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:34:02,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:34:02,687 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) [2022-10-15 21:34:03,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:34:03,627 INFO L93 Difference]: Finished difference Result 1818 states and 2365 transitions. [2022-10-15 21:34:03,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:34:03,628 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 [2022-10-15 21:34:03,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:34:03,643 INFO L225 Difference]: With dead ends: 1818 [2022-10-15 21:34:03,643 INFO L226 Difference]: Without dead ends: 1810 [2022-10-15 21:34:03,645 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 [2022-10-15 21:34:03,646 INFO L413 NwaCegarLoop]: 516 mSDtfsCounter, 567 mSDsluCounter, 378 mSDsCounter, 0 mSdLazyCounter, 490 mSolverCounterSat, 159 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 607 SdHoareTripleChecker+Valid, 894 SdHoareTripleChecker+Invalid, 649 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 159 IncrementalHoareTripleChecker+Valid, 490 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-15 21:34:03,649 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [607 Valid, 894 Invalid, 649 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [159 Valid, 490 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-15 21:34:03,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1810 states. [2022-10-15 21:34:03,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1810 to 1462. [2022-10-15 21:34:03,780 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) [2022-10-15 21:34:03,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1462 states to 1462 states and 1859 transitions. [2022-10-15 21:34:03,790 INFO L78 Accepts]: Start accepts. Automaton has 1462 states and 1859 transitions. Word has length 43 [2022-10-15 21:34:03,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:34:03,791 INFO L495 AbstractCegarLoop]: Abstraction has 1462 states and 1859 transitions. [2022-10-15 21:34:03,791 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) [2022-10-15 21:34:03,792 INFO L276 IsEmpty]: Start isEmpty. Operand 1462 states and 1859 transitions. [2022-10-15 21:34:03,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-15 21:34:03,794 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:34:03,794 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] [2022-10-15 21:34:03,794 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-15 21:34:03,794 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)] === [2022-10-15 21:34:03,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:34:03,795 INFO L85 PathProgramCache]: Analyzing trace with hash -692549424, now seen corresponding path program 1 times [2022-10-15 21:34:03,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:34:03,795 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465801695] [2022-10-15 21:34:03,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:34:03,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:34:03,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:04,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:34:04,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:04,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-15 21:34:04,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:04,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-15 21:34:04,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:04,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:34:04,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:04,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-15 21:34:04,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:04,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:34:04,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:04,137 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-15 21:34:04,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:34:04,138 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465801695] [2022-10-15 21:34:04,138 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1465801695] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 21:34:04,138 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [985313326] [2022-10-15 21:34:04,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:34:04,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:34:04,139 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:34:04,142 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-15 21:34:04,172 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-15 21:34:04,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:04,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 614 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-15 21:34:04,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 21:34:04,463 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-10-15 21:34:04,463 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 21:34:04,467 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [985313326] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:34:04,467 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-15 21:34:04,467 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [10] total 11 [2022-10-15 21:34:04,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397612993] [2022-10-15 21:34:04,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:34:04,468 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:34:04,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:34:04,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:34:04,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-10-15 21:34:04,470 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) [2022-10-15 21:34:04,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:34:04,615 INFO L93 Difference]: Finished difference Result 1462 states and 1859 transitions. [2022-10-15 21:34:04,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:34:04,616 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 [2022-10-15 21:34:04,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:34:04,632 INFO L225 Difference]: With dead ends: 1462 [2022-10-15 21:34:04,632 INFO L226 Difference]: Without dead ends: 1461 [2022-10-15 21:34:04,633 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 [2022-10-15 21:34:04,634 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 [2022-10-15 21:34:04,636 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] [2022-10-15 21:34:04,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1461 states. [2022-10-15 21:34:04,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1461 to 1461. [2022-10-15 21:34:04,780 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) [2022-10-15 21:34:04,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1461 states to 1461 states and 1853 transitions. [2022-10-15 21:34:04,791 INFO L78 Accepts]: Start accepts. Automaton has 1461 states and 1853 transitions. Word has length 62 [2022-10-15 21:34:04,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:34:04,792 INFO L495 AbstractCegarLoop]: Abstraction has 1461 states and 1853 transitions. [2022-10-15 21:34:04,792 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) [2022-10-15 21:34:04,792 INFO L276 IsEmpty]: Start isEmpty. Operand 1461 states and 1853 transitions. [2022-10-15 21:34:04,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-15 21:34:04,795 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:34:04,795 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] [2022-10-15 21:34:04,840 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-10-15 21:34:05,011 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 [2022-10-15 21:34:05,012 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)] === [2022-10-15 21:34:05,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:34:05,013 INFO L85 PathProgramCache]: Analyzing trace with hash 5804556, now seen corresponding path program 1 times [2022-10-15 21:34:05,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:34:05,014 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761844553] [2022-10-15 21:34:05,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:34:05,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:34:05,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:05,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:34:05,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:05,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-15 21:34:05,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:05,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-15 21:34:05,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:05,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:34:05,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:05,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-15 21:34:05,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:05,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:34:05,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:05,283 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-15 21:34:05,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:34:05,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761844553] [2022-10-15 21:34:05,284 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761844553] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 21:34:05,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1244651531] [2022-10-15 21:34:05,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:34:05,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:34:05,284 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:34:05,285 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-15 21:34:05,296 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-15 21:34:05,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:05,503 INFO L263 TraceCheckSpWp]: Trace formula consists of 615 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-15 21:34:05,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 21:34:05,531 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-10-15 21:34:05,532 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 21:34:05,532 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1244651531] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:34:05,532 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-15 21:34:05,532 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [10] total 11 [2022-10-15 21:34:05,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372879350] [2022-10-15 21:34:05,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:34:05,533 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:34:05,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:34:05,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:34:05,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-10-15 21:34:05,535 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) [2022-10-15 21:34:05,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:34:05,694 INFO L93 Difference]: Finished difference Result 1510 states and 1919 transitions. [2022-10-15 21:34:05,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:34:05,695 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 [2022-10-15 21:34:05,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:34:05,706 INFO L225 Difference]: With dead ends: 1510 [2022-10-15 21:34:05,707 INFO L226 Difference]: Without dead ends: 1509 [2022-10-15 21:34:05,708 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 [2022-10-15 21:34:05,709 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 [2022-10-15 21:34:05,710 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] [2022-10-15 21:34:05,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1509 states. [2022-10-15 21:34:05,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1509 to 1497. [2022-10-15 21:34:05,857 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) [2022-10-15 21:34:05,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1497 states to 1497 states and 1895 transitions. [2022-10-15 21:34:05,868 INFO L78 Accepts]: Start accepts. Automaton has 1497 states and 1895 transitions. Word has length 63 [2022-10-15 21:34:05,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:34:05,869 INFO L495 AbstractCegarLoop]: Abstraction has 1497 states and 1895 transitions. [2022-10-15 21:34:05,869 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) [2022-10-15 21:34:05,869 INFO L276 IsEmpty]: Start isEmpty. Operand 1497 states and 1895 transitions. [2022-10-15 21:34:05,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-15 21:34:05,873 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:34:05,873 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] [2022-10-15 21:34:05,914 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-10-15 21:34:06,087 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 [2022-10-15 21:34:06,088 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)] === [2022-10-15 21:34:06,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:34:06,089 INFO L85 PathProgramCache]: Analyzing trace with hash -354417830, now seen corresponding path program 1 times [2022-10-15 21:34:06,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:34:06,090 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328398327] [2022-10-15 21:34:06,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:34:06,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:34:06,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:06,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:34:06,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:06,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-15 21:34:06,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:06,223 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-15 21:34:06,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:34:06,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328398327] [2022-10-15 21:34:06,224 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [328398327] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:34:06,224 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:34:06,224 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:34:06,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354590242] [2022-10-15 21:34:06,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:34:06,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:34:06,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:34:06,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:34:06,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:34:06,226 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) [2022-10-15 21:34:07,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:34:07,343 INFO L93 Difference]: Finished difference Result 4541 states and 5789 transitions. [2022-10-15 21:34:07,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:34:07,344 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 [2022-10-15 21:34:07,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:34:07,368 INFO L225 Difference]: With dead ends: 4541 [2022-10-15 21:34:07,368 INFO L226 Difference]: Without dead ends: 3068 [2022-10-15 21:34:07,375 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 [2022-10-15 21:34:07,376 INFO L413 NwaCegarLoop]: 674 mSDtfsCounter, 420 mSDsluCounter, 377 mSDsCounter, 0 mSdLazyCounter, 501 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 450 SdHoareTripleChecker+Valid, 1051 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 [2022-10-15 21:34:07,378 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [450 Valid, 1051 Invalid, 632 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 501 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-15 21:34:07,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3068 states. [2022-10-15 21:34:07,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3068 to 2407. [2022-10-15 21:34:07,646 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) [2022-10-15 21:34:07,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2407 states to 2407 states and 2973 transitions. [2022-10-15 21:34:07,661 INFO L78 Accepts]: Start accepts. Automaton has 2407 states and 2973 transitions. Word has length 58 [2022-10-15 21:34:07,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:34:07,661 INFO L495 AbstractCegarLoop]: Abstraction has 2407 states and 2973 transitions. [2022-10-15 21:34:07,662 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) [2022-10-15 21:34:07,662 INFO L276 IsEmpty]: Start isEmpty. Operand 2407 states and 2973 transitions. [2022-10-15 21:34:07,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-10-15 21:34:07,666 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:34:07,666 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] [2022-10-15 21:34:07,666 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-15 21:34:07,666 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)] === [2022-10-15 21:34:07,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:34:07,667 INFO L85 PathProgramCache]: Analyzing trace with hash -338337472, now seen corresponding path program 1 times [2022-10-15 21:34:07,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:34:07,667 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330019798] [2022-10-15 21:34:07,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:34:07,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:34:07,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:07,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:34:07,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:07,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-15 21:34:07,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:07,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-15 21:34:07,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:07,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:34:07,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:07,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-15 21:34:07,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:07,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:34:07,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:07,996 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-10-15 21:34:07,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:34:07,997 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330019798] [2022-10-15 21:34:07,997 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [330019798] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 21:34:07,997 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1296740174] [2022-10-15 21:34:07,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:34:07,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:34:07,998 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:34:07,999 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-15 21:34:08,004 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-10-15 21:34:08,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:08,226 INFO L263 TraceCheckSpWp]: Trace formula consists of 644 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-15 21:34:08,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 21:34:08,346 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-15 21:34:08,347 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 21:34:08,347 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1296740174] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:34:08,347 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-15 21:34:08,348 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 15 [2022-10-15 21:34:08,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519208387] [2022-10-15 21:34:08,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:34:08,348 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 21:34:08,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:34:08,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 21:34:08,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2022-10-15 21:34:08,350 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) [2022-10-15 21:34:08,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:34:08,782 INFO L93 Difference]: Finished difference Result 5506 states and 6760 transitions. [2022-10-15 21:34:08,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-15 21:34:08,783 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 [2022-10-15 21:34:08,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:34:08,815 INFO L225 Difference]: With dead ends: 5506 [2022-10-15 21:34:08,816 INFO L226 Difference]: Without dead ends: 3560 [2022-10-15 21:34:08,825 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 [2022-10-15 21:34:08,826 INFO L413 NwaCegarLoop]: 422 mSDtfsCounter, 353 mSDsluCounter, 2031 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s 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 [2022-10-15 21:34:08,827 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] [2022-10-15 21:34:08,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3560 states. [2022-10-15 21:34:09,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3560 to 3419. [2022-10-15 21:34:09,201 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) [2022-10-15 21:34:09,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3419 states to 3419 states and 4233 transitions. [2022-10-15 21:34:09,221 INFO L78 Accepts]: Start accepts. Automaton has 3419 states and 4233 transitions. Word has length 71 [2022-10-15 21:34:09,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:34:09,221 INFO L495 AbstractCegarLoop]: Abstraction has 3419 states and 4233 transitions. [2022-10-15 21:34:09,222 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) [2022-10-15 21:34:09,222 INFO L276 IsEmpty]: Start isEmpty. Operand 3419 states and 4233 transitions. [2022-10-15 21:34:09,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-10-15 21:34:09,227 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:34:09,227 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] [2022-10-15 21:34:09,270 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-10-15 21:34:09,441 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 [2022-10-15 21:34:09,442 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)] === [2022-10-15 21:34:09,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:34:09,443 INFO L85 PathProgramCache]: Analyzing trace with hash 1996491218, now seen corresponding path program 1 times [2022-10-15 21:34:09,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:34:09,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713953411] [2022-10-15 21:34:09,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:34:09,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:34:09,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:09,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:34:09,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:09,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-15 21:34:09,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:09,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-15 21:34:09,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:09,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:34:09,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:09,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-15 21:34:09,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:09,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:34:09,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:09,766 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-15 21:34:09,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:34:09,766 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713953411] [2022-10-15 21:34:09,766 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [713953411] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 21:34:09,766 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1117142848] [2022-10-15 21:34:09,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:34:09,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:34:09,767 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:34:09,768 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-15 21:34:09,772 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-10-15 21:34:09,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:09,993 INFO L263 TraceCheckSpWp]: Trace formula consists of 646 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-15 21:34:09,998 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 21:34:10,103 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-15 21:34:10,104 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 21:34:10,105 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1117142848] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:34:10,105 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-15 21:34:10,105 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [11] total 16 [2022-10-15 21:34:10,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901063838] [2022-10-15 21:34:10,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:34:10,109 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 21:34:10,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:34:10,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 21:34:10,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2022-10-15 21:34:10,111 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) [2022-10-15 21:34:10,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:34:10,649 INFO L93 Difference]: Finished difference Result 7548 states and 9298 transitions. [2022-10-15 21:34:10,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-15 21:34:10,650 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 [2022-10-15 21:34:10,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:34:10,685 INFO L225 Difference]: With dead ends: 7548 [2022-10-15 21:34:10,685 INFO L226 Difference]: Without dead ends: 4590 [2022-10-15 21:34:10,700 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 [2022-10-15 21:34:10,701 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 [2022-10-15 21:34:10,702 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] [2022-10-15 21:34:10,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4590 states. [2022-10-15 21:34:11,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4590 to 4425. [2022-10-15 21:34:11,158 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) [2022-10-15 21:34:11,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4425 states to 4425 states and 5487 transitions. [2022-10-15 21:34:11,185 INFO L78 Accepts]: Start accepts. Automaton has 4425 states and 5487 transitions. Word has length 72 [2022-10-15 21:34:11,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:34:11,186 INFO L495 AbstractCegarLoop]: Abstraction has 4425 states and 5487 transitions. [2022-10-15 21:34:11,187 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) [2022-10-15 21:34:11,187 INFO L276 IsEmpty]: Start isEmpty. Operand 4425 states and 5487 transitions. [2022-10-15 21:34:11,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-15 21:34:11,196 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:34:11,196 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] [2022-10-15 21:34:11,249 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-10-15 21:34:11,411 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 [2022-10-15 21:34:11,411 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)] === [2022-10-15 21:34:11,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:34:11,412 INFO L85 PathProgramCache]: Analyzing trace with hash -38402151, now seen corresponding path program 1 times [2022-10-15 21:34:11,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:34:11,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956656390] [2022-10-15 21:34:11,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:34:11,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:34:11,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:11,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:34:11,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:11,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-15 21:34:11,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:11,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-15 21:34:11,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:11,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:34:11,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:11,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-10-15 21:34:11,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:11,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:34:11,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:11,751 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-15 21:34:11,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:34:11,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956656390] [2022-10-15 21:34:11,752 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1956656390] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 21:34:11,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [992003208] [2022-10-15 21:34:11,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:34:11,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:34:11,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:34:11,754 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-15 21:34:11,759 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-10-15 21:34:11,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:11,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 648 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-15 21:34:11,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 21:34:12,067 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-15 21:34:12,067 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 21:34:12,068 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [992003208] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:34:12,068 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-15 21:34:12,068 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [11] total 16 [2022-10-15 21:34:12,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856215725] [2022-10-15 21:34:12,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:34:12,069 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 21:34:12,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:34:12,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 21:34:12,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2022-10-15 21:34:12,070 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) [2022-10-15 21:34:12,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:34:12,888 INFO L93 Difference]: Finished difference Result 9560 states and 11806 transitions. [2022-10-15 21:34:12,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-15 21:34:12,890 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 [2022-10-15 21:34:12,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:34:12,947 INFO L225 Difference]: With dead ends: 9560 [2022-10-15 21:34:12,948 INFO L226 Difference]: Without dead ends: 5596 [2022-10-15 21:34:12,970 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 [2022-10-15 21:34:12,971 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 [2022-10-15 21:34:12,972 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] [2022-10-15 21:34:12,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5596 states. [2022-10-15 21:34:13,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5596 to 4425. [2022-10-15 21:34:13,486 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) [2022-10-15 21:34:13,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4425 states to 4425 states and 5487 transitions. [2022-10-15 21:34:13,525 INFO L78 Accepts]: Start accepts. Automaton has 4425 states and 5487 transitions. Word has length 73 [2022-10-15 21:34:13,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:34:13,525 INFO L495 AbstractCegarLoop]: Abstraction has 4425 states and 5487 transitions. [2022-10-15 21:34:13,527 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) [2022-10-15 21:34:13,527 INFO L276 IsEmpty]: Start isEmpty. Operand 4425 states and 5487 transitions. [2022-10-15 21:34:13,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-15 21:34:13,533 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:34:13,534 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] [2022-10-15 21:34:13,580 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-10-15 21:34:13,747 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 [2022-10-15 21:34:13,747 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)] === [2022-10-15 21:34:13,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:34:13,748 INFO L85 PathProgramCache]: Analyzing trace with hash -95725877, now seen corresponding path program 1 times [2022-10-15 21:34:13,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:34:13,749 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146003522] [2022-10-15 21:34:13,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:34:13,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:34:13,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:14,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:34:14,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:14,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-15 21:34:14,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:14,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-15 21:34:14,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:14,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:34:14,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:14,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-10-15 21:34:14,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:14,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:34:14,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:14,104 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-15 21:34:14,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:34:14,105 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146003522] [2022-10-15 21:34:14,105 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146003522] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 21:34:14,105 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [28930084] [2022-10-15 21:34:14,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:34:14,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:34:14,106 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:34:14,107 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) [2022-10-15 21:34:14,127 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-10-15 21:34:14,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:14,319 INFO L263 TraceCheckSpWp]: Trace formula consists of 650 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-15 21:34:14,323 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 21:34:14,401 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-15 21:34:14,402 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 21:34:14,402 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [28930084] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:34:14,402 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-15 21:34:14,402 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [11] total 16 [2022-10-15 21:34:14,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783372595] [2022-10-15 21:34:14,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:34:14,403 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 21:34:14,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:34:14,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 21:34:14,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2022-10-15 21:34:14,405 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) [2022-10-15 21:34:15,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:34:15,092 INFO L93 Difference]: Finished difference Result 9560 states and 11806 transitions. [2022-10-15 21:34:15,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-15 21:34:15,093 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 [2022-10-15 21:34:15,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:34:15,131 INFO L225 Difference]: With dead ends: 9560 [2022-10-15 21:34:15,132 INFO L226 Difference]: Without dead ends: 5596 [2022-10-15 21:34:15,145 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 [2022-10-15 21:34:15,146 INFO L413 NwaCegarLoop]: 414 mSDtfsCounter, 353 mSDsluCounter, 1985 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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 [2022-10-15 21:34:15,147 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] [2022-10-15 21:34:15,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5596 states. [2022-10-15 21:34:15,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5596 to 4425. [2022-10-15 21:34:15,561 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) [2022-10-15 21:34:15,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4425 states to 4425 states and 5487 transitions. [2022-10-15 21:34:15,589 INFO L78 Accepts]: Start accepts. Automaton has 4425 states and 5487 transitions. Word has length 74 [2022-10-15 21:34:15,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:34:15,590 INFO L495 AbstractCegarLoop]: Abstraction has 4425 states and 5487 transitions. [2022-10-15 21:34:15,590 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) [2022-10-15 21:34:15,590 INFO L276 IsEmpty]: Start isEmpty. Operand 4425 states and 5487 transitions. [2022-10-15 21:34:15,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-15 21:34:15,597 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:34:15,598 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] [2022-10-15 21:34:15,640 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-10-15 21:34:15,811 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 [2022-10-15 21:34:15,811 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)] === [2022-10-15 21:34:15,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:34:15,814 INFO L85 PathProgramCache]: Analyzing trace with hash -1412948167, now seen corresponding path program 1 times [2022-10-15 21:34:15,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:34:15,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50944580] [2022-10-15 21:34:15,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:34:15,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:34:15,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:15,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:34:15,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:15,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-15 21:34:15,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:15,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-10-15 21:34:15,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:15,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:34:15,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:15,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-10-15 21:34:15,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:15,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:34:15,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:15,983 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-10-15 21:34:15,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:34:15,984 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50944580] [2022-10-15 21:34:15,984 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [50944580] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:34:15,984 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:34:15,985 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 21:34:15,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047347433] [2022-10-15 21:34:15,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:34:15,986 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:34:15,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:34:15,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:34:16,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:34:16,026 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) [2022-10-15 21:34:17,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:34:17,074 INFO L93 Difference]: Finished difference Result 8405 states and 10634 transitions. [2022-10-15 21:34:17,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 21:34:17,075 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 [2022-10-15 21:34:17,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:34:17,110 INFO L225 Difference]: With dead ends: 8405 [2022-10-15 21:34:17,111 INFO L226 Difference]: Without dead ends: 4004 [2022-10-15 21:34:17,130 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 [2022-10-15 21:34:17,131 INFO L413 NwaCegarLoop]: 563 mSDtfsCounter, 340 mSDsluCounter, 719 mSDsCounter, 0 mSdLazyCounter, 550 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 363 SdHoareTripleChecker+Valid, 1282 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 [2022-10-15 21:34:17,131 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [363 Valid, 1282 Invalid, 646 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 550 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-15 21:34:17,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4004 states. [2022-10-15 21:34:17,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4004 to 3199. [2022-10-15 21:34:17,502 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) [2022-10-15 21:34:17,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3199 states to 3199 states and 4015 transitions. [2022-10-15 21:34:17,517 INFO L78 Accepts]: Start accepts. Automaton has 3199 states and 4015 transitions. Word has length 80 [2022-10-15 21:34:17,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:34:17,518 INFO L495 AbstractCegarLoop]: Abstraction has 3199 states and 4015 transitions. [2022-10-15 21:34:17,518 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) [2022-10-15 21:34:17,518 INFO L276 IsEmpty]: Start isEmpty. Operand 3199 states and 4015 transitions. [2022-10-15 21:34:17,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-15 21:34:17,523 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:34:17,523 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] [2022-10-15 21:34:17,524 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-15 21:34:17,524 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)] === [2022-10-15 21:34:17,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:34:17,525 INFO L85 PathProgramCache]: Analyzing trace with hash -1534969584, now seen corresponding path program 2 times [2022-10-15 21:34:17,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:34:17,525 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479754442] [2022-10-15 21:34:17,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:34:17,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:34:17,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:17,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:34:17,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:17,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-15 21:34:17,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:17,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-10-15 21:34:17,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:17,671 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-15 21:34:17,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:34:17,672 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479754442] [2022-10-15 21:34:17,672 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1479754442] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:34:17,673 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:34:17,673 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:34:17,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538467026] [2022-10-15 21:34:17,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:34:17,674 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:34:17,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:34:17,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:34:17,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:34:17,675 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) [2022-10-15 21:34:18,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:34:18,648 INFO L93 Difference]: Finished difference Result 6718 states and 8515 transitions. [2022-10-15 21:34:18,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:34:18,649 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 [2022-10-15 21:34:18,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:34:18,692 INFO L225 Difference]: With dead ends: 6718 [2022-10-15 21:34:18,692 INFO L226 Difference]: Without dead ends: 3791 [2022-10-15 21:34:18,706 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 [2022-10-15 21:34:18,707 INFO L413 NwaCegarLoop]: 558 mSDtfsCounter, 481 mSDsluCounter, 274 mSDsCounter, 0 mSdLazyCounter, 343 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 513 SdHoareTripleChecker+Valid, 832 SdHoareTripleChecker+Invalid, 442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 343 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-15 21:34:18,708 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [513 Valid, 832 Invalid, 442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 343 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-15 21:34:18,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3791 states. [2022-10-15 21:34:19,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3791 to 3050. [2022-10-15 21:34:19,081 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) [2022-10-15 21:34:19,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3050 states to 3050 states and 3796 transitions. [2022-10-15 21:34:19,093 INFO L78 Accepts]: Start accepts. Automaton has 3050 states and 3796 transitions. Word has length 76 [2022-10-15 21:34:19,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:34:19,093 INFO L495 AbstractCegarLoop]: Abstraction has 3050 states and 3796 transitions. [2022-10-15 21:34:19,093 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) [2022-10-15 21:34:19,094 INFO L276 IsEmpty]: Start isEmpty. Operand 3050 states and 3796 transitions. [2022-10-15 21:34:19,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-10-15 21:34:19,098 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:34:19,098 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] [2022-10-15 21:34:19,099 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-15 21:34:19,099 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)] === [2022-10-15 21:34:19,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:34:19,099 INFO L85 PathProgramCache]: Analyzing trace with hash 886362412, now seen corresponding path program 1 times [2022-10-15 21:34:19,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:34:19,100 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449124764] [2022-10-15 21:34:19,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:34:19,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:34:19,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:19,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:34:19,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:19,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-15 21:34:19,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:19,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-10-15 21:34:19,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:19,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-15 21:34:19,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:19,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:34:19,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:19,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-10-15 21:34:19,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:19,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:34:19,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:19,428 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 17 proven. 7 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-10-15 21:34:19,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:34:19,428 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449124764] [2022-10-15 21:34:19,429 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449124764] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 21:34:19,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1482660724] [2022-10-15 21:34:19,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:34:19,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:34:19,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:34:19,431 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) [2022-10-15 21:34:19,442 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-10-15 21:34:19,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:19,655 INFO L263 TraceCheckSpWp]: Trace formula consists of 707 conjuncts, 12 conjunts are in the unsatisfiable core [2022-10-15 21:34:19,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 21:34:19,842 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 12 proven. 7 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-10-15 21:34:19,842 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-15 21:34:20,157 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 15 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-10-15 21:34:20,158 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1482660724] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-15 21:34:20,158 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-15 21:34:20,158 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10, 10] total 22 [2022-10-15 21:34:20,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35116176] [2022-10-15 21:34:20,158 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-15 21:34:20,159 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-10-15 21:34:20,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:34:20,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-10-15 21:34:20,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=406, Unknown=0, NotChecked=0, Total=462 [2022-10-15 21:34:20,161 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) [2022-10-15 21:34:26,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:34:26,644 INFO L93 Difference]: Finished difference Result 7875 states and 9821 transitions. [2022-10-15 21:34:26,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-10-15 21:34:26,645 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 [2022-10-15 21:34:26,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:34:26,675 INFO L225 Difference]: With dead ends: 7875 [2022-10-15 21:34:26,675 INFO L226 Difference]: Without dead ends: 4910 [2022-10-15 21:34:26,689 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 168 SyntacticMatches, 8 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 777 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=657, Invalid=2649, Unknown=0, NotChecked=0, Total=3306 [2022-10-15 21:34:26,690 INFO L413 NwaCegarLoop]: 512 mSDtfsCounter, 2467 mSDsluCounter, 3982 mSDsCounter, 0 mSdLazyCounter, 6104 mSolverCounterSat, 1122 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s 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, 4.5s IncrementalHoareTripleChecker+Time [2022-10-15 21:34:26,691 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2498 Valid, 4494 Invalid, 7226 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1122 Valid, 6104 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2022-10-15 21:34:26,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4910 states. [2022-10-15 21:34:27,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4910 to 3595. [2022-10-15 21:34:27,145 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) [2022-10-15 21:34:27,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3595 states to 3595 states and 4482 transitions. [2022-10-15 21:34:27,164 INFO L78 Accepts]: Start accepts. Automaton has 3595 states and 4482 transitions. Word has length 86 [2022-10-15 21:34:27,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:34:27,164 INFO L495 AbstractCegarLoop]: Abstraction has 3595 states and 4482 transitions. [2022-10-15 21:34:27,164 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) [2022-10-15 21:34:27,165 INFO L276 IsEmpty]: Start isEmpty. Operand 3595 states and 4482 transitions. [2022-10-15 21:34:27,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-10-15 21:34:27,170 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:34:27,171 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] [2022-10-15 21:34:27,213 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-10-15 21:34:27,384 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 [2022-10-15 21:34:27,384 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)] === [2022-10-15 21:34:27,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:34:27,385 INFO L85 PathProgramCache]: Analyzing trace with hash 207333043, now seen corresponding path program 1 times [2022-10-15 21:34:27,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:34:27,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527611239] [2022-10-15 21:34:27,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:34:27,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:34:27,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:27,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:34:27,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:27,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-15 21:34:27,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:27,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-10-15 21:34:27,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:27,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-10-15 21:34:27,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:27,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:34:27,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:27,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-10-15 21:34:27,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:27,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:34:27,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:27,866 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 17 proven. 7 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-10-15 21:34:27,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:34:27,867 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527611239] [2022-10-15 21:34:27,867 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [527611239] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 21:34:27,867 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1610168732] [2022-10-15 21:34:27,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:34:27,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:34:27,868 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:34:27,871 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) [2022-10-15 21:34:27,901 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-10-15 21:34:28,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:28,181 INFO L263 TraceCheckSpWp]: Trace formula consists of 709 conjuncts, 12 conjunts are in the unsatisfiable core [2022-10-15 21:34:28,187 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 21:34:28,419 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 12 proven. 7 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-10-15 21:34:28,420 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-15 21:34:28,742 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 15 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-10-15 21:34:28,742 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1610168732] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-15 21:34:28,742 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-15 21:34:28,743 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10, 10] total 22 [2022-10-15 21:34:28,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962746961] [2022-10-15 21:34:28,743 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-15 21:34:28,744 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-10-15 21:34:28,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:34:28,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-10-15 21:34:28,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=406, Unknown=0, NotChecked=0, Total=462 [2022-10-15 21:34:28,745 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) [2022-10-15 21:34:35,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:34:35,173 INFO L93 Difference]: Finished difference Result 9189 states and 11482 transitions. [2022-10-15 21:34:35,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-10-15 21:34:35,174 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 [2022-10-15 21:34:35,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:34:35,211 INFO L225 Difference]: With dead ends: 9189 [2022-10-15 21:34:35,211 INFO L226 Difference]: Without dead ends: 5667 [2022-10-15 21:34:35,227 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 170 SyntacticMatches, 8 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 775 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=657, Invalid=2649, Unknown=0, NotChecked=0, Total=3306 [2022-10-15 21:34:35,229 INFO L413 NwaCegarLoop]: 504 mSDtfsCounter, 2494 mSDsluCounter, 3352 mSDsCounter, 0 mSdLazyCounter, 5270 mSolverCounterSat, 1128 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2523 SdHoareTripleChecker+Valid, 3856 SdHoareTripleChecker+Invalid, 6398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1128 IncrementalHoareTripleChecker+Valid, 5270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-10-15 21:34:35,230 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2523 Valid, 3856 Invalid, 6398 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1128 Valid, 5270 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2022-10-15 21:34:35,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5667 states. [2022-10-15 21:34:35,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5667 to 3595. [2022-10-15 21:34:35,683 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) [2022-10-15 21:34:35,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3595 states to 3595 states and 4482 transitions. [2022-10-15 21:34:35,696 INFO L78 Accepts]: Start accepts. Automaton has 3595 states and 4482 transitions. Word has length 87 [2022-10-15 21:34:35,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:34:35,696 INFO L495 AbstractCegarLoop]: Abstraction has 3595 states and 4482 transitions. [2022-10-15 21:34:35,697 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) [2022-10-15 21:34:35,697 INFO L276 IsEmpty]: Start isEmpty. Operand 3595 states and 4482 transitions. [2022-10-15 21:34:35,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-15 21:34:35,702 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:34:35,702 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] [2022-10-15 21:34:35,747 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-10-15 21:34:35,917 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 [2022-10-15 21:34:35,917 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)] === [2022-10-15 21:34:35,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:34:35,918 INFO L85 PathProgramCache]: Analyzing trace with hash 584414821, now seen corresponding path program 1 times [2022-10-15 21:34:35,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:34:35,918 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360492831] [2022-10-15 21:34:35,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:34:35,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:34:35,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:36,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:34:36,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:36,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-15 21:34:36,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:36,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-10-15 21:34:36,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:36,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-10-15 21:34:36,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:36,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:34:36,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:36,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-10-15 21:34:36,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:36,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:34:36,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:36,186 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 17 proven. 7 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-10-15 21:34:36,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:34:36,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360492831] [2022-10-15 21:34:36,187 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360492831] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 21:34:36,187 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [577954886] [2022-10-15 21:34:36,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:34:36,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:34:36,187 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:34:36,193 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) [2022-10-15 21:34:36,195 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-10-15 21:34:36,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:34:36,395 INFO L263 TraceCheckSpWp]: Trace formula consists of 711 conjuncts, 12 conjunts are in the unsatisfiable core [2022-10-15 21:34:36,399 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 21:34:36,574 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 12 proven. 7 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-10-15 21:34:36,575 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-15 21:34:36,857 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 15 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-10-15 21:34:36,858 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [577954886] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-15 21:34:36,858 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-15 21:34:36,858 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10, 10] total 22 [2022-10-15 21:34:36,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42645024] [2022-10-15 21:34:36,858 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-15 21:34:36,860 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-10-15 21:34:36,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:34:36,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-10-15 21:34:36,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=406, Unknown=0, NotChecked=0, Total=462 [2022-10-15 21:34:36,863 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)