/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/ntdrivers/diskperf.i.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 14:49:59,800 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 14:49:59,803 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 14:49:59,840 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 14:49:59,841 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 14:49:59,842 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 14:49:59,844 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 14:49:59,846 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 14:49:59,848 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 14:49:59,850 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 14:49:59,851 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 14:49:59,853 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 14:49:59,853 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 14:49:59,854 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 14:49:59,856 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 14:49:59,857 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 14:49:59,858 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 14:49:59,859 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 14:49:59,861 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 14:49:59,864 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 14:49:59,866 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 14:49:59,867 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 14:49:59,869 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 14:49:59,870 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 14:49:59,878 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 14:49:59,878 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 14:49:59,880 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 14:49:59,881 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 14:49:59,883 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 14:49:59,884 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 14:49:59,885 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 14:49:59,886 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 14:49:59,886 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 14:49:59,888 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 14:49:59,892 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 14:49:59,893 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 14:49:59,894 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 14:49:59,894 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 14:49:59,895 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 14:49:59,896 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 14:49:59,898 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 14:49:59,899 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 14:49:59,975 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 14:49:59,977 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 14:49:59,978 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 14:49:59,978 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 14:49:59,980 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 14:49:59,981 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 14:49:59,983 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 14:49:59,983 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 14:49:59,983 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 14:49:59,984 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 14:49:59,985 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 14:49:59,985 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 14:49:59,985 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 14:49:59,985 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 14:49:59,986 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 14:49:59,986 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 14:49:59,986 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 14:49:59,986 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 14:49:59,987 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 14:49:59,987 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 14:49:59,987 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 14:49:59,987 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 14:49:59,988 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 14:49:59,988 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 14:49:59,988 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 14:49:59,989 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 14:49:59,989 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 14:49:59,989 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 14:49:59,989 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 14:49:59,990 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 14:49:59,990 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 14:49:59,990 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 14:49:59,991 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 14:49:59,991 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 14:50:00,425 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 14:50:00,449 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 14:50:00,452 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 14:50:00,454 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 14:50:00,455 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 14:50:00,456 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ntdrivers/diskperf.i.cil-1.c [2022-10-16 14:50:00,529 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18ba29e7e/aa60c837a6c34945aaf36e7c6eab71a6/FLAGdbb10568a [2022-10-16 14:50:01,464 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 14:50:01,466 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers/diskperf.i.cil-1.c [2022-10-16 14:50:01,522 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18ba29e7e/aa60c837a6c34945aaf36e7c6eab71a6/FLAGdbb10568a [2022-10-16 14:50:01,970 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18ba29e7e/aa60c837a6c34945aaf36e7c6eab71a6 [2022-10-16 14:50:01,975 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 14:50:01,980 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 14:50:01,982 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 14:50:01,982 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 14:50:01,986 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 14:50:01,987 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:50:01" (1/1) ... [2022-10-16 14:50:01,988 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d9b9c6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:50:01, skipping insertion in model container [2022-10-16 14:50:01,988 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:50:01" (1/1) ... [2022-10-16 14:50:01,996 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 14:50:02,085 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 14:50:02,676 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/ntdrivers/diskperf.i.cil-1.c[84645,84658] [2022-10-16 14:50:02,997 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 14:50:03,098 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 14:50:03,197 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/ntdrivers/diskperf.i.cil-1.c[84645,84658] [2022-10-16 14:50:03,413 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 14:50:03,522 INFO L208 MainTranslator]: Completed translation [2022-10-16 14:50:03,523 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:50:03 WrapperNode [2022-10-16 14:50:03,523 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 14:50:03,525 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 14:50:03,525 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 14:50:03,525 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 14:50:03,535 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:50:03" (1/1) ... [2022-10-16 14:50:03,649 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:50:03" (1/1) ... [2022-10-16 14:50:03,838 INFO L138 Inliner]: procedures = 127, calls = 1459, calls flagged for inlining = 20, calls inlined = 18, statements flattened = 3778 [2022-10-16 14:50:03,839 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 14:50:03,840 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 14:50:03,840 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 14:50:03,841 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 14:50:03,851 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:50:03" (1/1) ... [2022-10-16 14:50:03,852 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:50:03" (1/1) ... [2022-10-16 14:50:03,905 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:50:03" (1/1) ... [2022-10-16 14:50:03,907 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:50:03" (1/1) ... [2022-10-16 14:50:04,040 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:50:03" (1/1) ... [2022-10-16 14:50:04,063 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:50:03" (1/1) ... [2022-10-16 14:50:04,090 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:50:03" (1/1) ... [2022-10-16 14:50:04,112 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:50:03" (1/1) ... [2022-10-16 14:50:04,157 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 14:50:04,159 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 14:50:04,159 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 14:50:04,159 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 14:50:04,164 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:50:03" (1/1) ... [2022-10-16 14:50:04,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 14:50:04,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:50:04,249 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 14:50:04,268 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 14:50:04,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-16 14:50:04,313 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-16 14:50:04,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-16 14:50:04,313 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-16 14:50:04,313 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildDeviceIoControlRequest [2022-10-16 14:50:04,313 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildDeviceIoControlRequest [2022-10-16 14:50:04,313 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfSendToNextDriver [2022-10-16 14:50:04,314 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfSendToNextDriver [2022-10-16 14:50:04,314 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2022-10-16 14:50:04,314 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2022-10-16 14:50:04,314 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfAddCounters [2022-10-16 14:50:04,314 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfAddCounters [2022-10-16 14:50:04,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-10-16 14:50:04,315 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-10-16 14:50:04,315 INFO L130 BoogieDeclarations]: Found specification of procedure InterlockedDecrement [2022-10-16 14:50:04,315 INFO L138 BoogieDeclarations]: Found implementation of procedure InterlockedDecrement [2022-10-16 14:50:04,315 INFO L130 BoogieDeclarations]: Found specification of procedure IoWMIRegistrationControl [2022-10-16 14:50:04,315 INFO L138 BoogieDeclarations]: Found implementation of procedure IoWMIRegistrationControl [2022-10-16 14:50:04,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-16 14:50:04,316 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2022-10-16 14:50:04,316 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2022-10-16 14:50:04,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-16 14:50:04,316 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-16 14:50:04,316 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2022-10-16 14:50:04,316 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2022-10-16 14:50:04,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-16 14:50:04,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 14:50:04,317 INFO L130 BoogieDeclarations]: Found specification of procedure KeQuerySystemTime [2022-10-16 14:50:04,317 INFO L138 BoogieDeclarations]: Found implementation of procedure KeQuerySystemTime [2022-10-16 14:50:04,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-16 14:50:04,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-16 14:50:04,317 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2022-10-16 14:50:04,318 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2022-10-16 14:50:04,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-16 14:50:04,318 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfIrpCompletion [2022-10-16 14:50:04,318 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfIrpCompletion [2022-10-16 14:50:04,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-16 14:50:04,318 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfLogError [2022-10-16 14:50:04,319 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfLogError [2022-10-16 14:50:04,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-16 14:50:04,319 INFO L130 BoogieDeclarations]: Found specification of procedure KeQueryPerformanceCounter [2022-10-16 14:50:04,319 INFO L138 BoogieDeclarations]: Found implementation of procedure KeQueryPerformanceCounter [2022-10-16 14:50:04,319 INFO L130 BoogieDeclarations]: Found specification of procedure InterlockedIncrement [2022-10-16 14:50:04,319 INFO L138 BoogieDeclarations]: Found implementation of procedure InterlockedIncrement [2022-10-16 14:50:04,320 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2022-10-16 14:50:04,320 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2022-10-16 14:50:04,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2022-10-16 14:50:04,320 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2022-10-16 14:50:04,320 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfForwardIrpSynchronous [2022-10-16 14:50:04,320 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfForwardIrpSynchronous [2022-10-16 14:50:04,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 14:50:04,321 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfIoCompletion [2022-10-16 14:50:04,321 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfIoCompletion [2022-10-16 14:50:04,321 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_guard [2022-10-16 14:50:04,321 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_guard [2022-10-16 14:50:04,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-16 14:50:04,321 INFO L130 BoogieDeclarations]: Found specification of procedure ExAllocatePoolWithTag [2022-10-16 14:50:04,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ExAllocatePoolWithTag [2022-10-16 14:50:04,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 14:50:04,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 14:50:05,059 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 14:50:05,063 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 14:50:05,234 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-16 14:50:05,253 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2022-10-16 14:50:05,253 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2022-10-16 14:50:05,397 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-16 14:50:05,411 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-10-16 14:50:05,411 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-10-16 14:50:07,773 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-16 14:50:07,798 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume !false; [2022-10-16 14:50:07,799 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume false; [2022-10-16 14:50:07,950 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-16 14:50:07,954 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-16 14:50:07,959 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-16 14:51:01,194 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##61: assume false; [2022-10-16 14:51:01,195 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##62: assume !false; [2022-10-16 14:51:01,195 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##35: assume !false; [2022-10-16 14:51:01,195 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##34: assume false; [2022-10-16 14:51:01,195 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##140: assume false; [2022-10-16 14:51:01,195 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##141: assume !false; [2022-10-16 14:51:01,221 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 14:51:01,236 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 14:51:01,237 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-16 14:51:01,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:51:01 BoogieIcfgContainer [2022-10-16 14:51:01,240 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 14:51:01,243 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 14:51:01,243 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 14:51:01,247 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 14:51:01,247 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 02:50:01" (1/3) ... [2022-10-16 14:51:01,248 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ceec8f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:51:01, skipping insertion in model container [2022-10-16 14:51:01,248 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:50:03" (2/3) ... [2022-10-16 14:51:01,249 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ceec8f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:51:01, skipping insertion in model container [2022-10-16 14:51:01,249 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:51:01" (3/3) ... [2022-10-16 14:51:01,250 INFO L112 eAbstractionObserver]: Analyzing ICFG diskperf.i.cil-1.c [2022-10-16 14:51:01,272 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 14:51:01,272 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 62 error locations. [2022-10-16 14:51:01,363 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 14:51:01,372 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;@58c9b4ba, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 14:51:01,372 INFO L358 AbstractCegarLoop]: Starting to check reachability of 62 error locations. [2022-10-16 14:51:01,379 INFO L276 IsEmpty]: Start isEmpty. Operand has 506 states, 341 states have (on average 1.5278592375366569) internal successors, (521), 420 states have internal predecessors, (521), 80 states have call successors, (80), 22 states have call predecessors, (80), 22 states have return successors, (80), 76 states have call predecessors, (80), 80 states have call successors, (80) [2022-10-16 14:51:01,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-16 14:51:01,387 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:51:01,387 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-10-16 14:51:01,388 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [InterlockedIncrementErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, InterlockedIncrementErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, DiskPerfSendToNextDriverErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2022-10-16 14:51:01,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:51:01,394 INFO L85 PathProgramCache]: Analyzing trace with hash 14778596, now seen corresponding path program 1 times [2022-10-16 14:51:01,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:51:01,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326595691] [2022-10-16 14:51:01,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:51:01,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:51:02,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:51:03,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:51:03,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:51:03,040 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326595691] [2022-10-16 14:51:03,041 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326595691] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:51:03,041 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:51:03,041 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 14:51:03,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483413605] [2022-10-16 14:51:03,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:51:03,049 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 14:51:03,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:51:03,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 14:51:03,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 14:51:03,103 INFO L87 Difference]: Start difference. First operand has 506 states, 341 states have (on average 1.5278592375366569) internal successors, (521), 420 states have internal predecessors, (521), 80 states have call successors, (80), 22 states have call predecessors, (80), 22 states have return successors, (80), 76 states have call predecessors, (80), 80 states have call successors, (80) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:51:03,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:51:03,420 INFO L93 Difference]: Finished difference Result 1010 states and 1404 transitions. [2022-10-16 14:51:03,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 14:51:03,423 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-10-16 14:51:03,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:51:03,440 INFO L225 Difference]: With dead ends: 1010 [2022-10-16 14:51:03,440 INFO L226 Difference]: Without dead ends: 373 [2022-10-16 14:51:03,452 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 14:51:03,457 INFO L413 NwaCegarLoop]: 649 mSDtfsCounter, 3 mSDsluCounter, 639 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1288 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:51:03,458 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1288 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:51:03,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2022-10-16 14:51:03,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 373. [2022-10-16 14:51:03,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 373 states, 255 states have (on average 1.4313725490196079) internal successors, (365), 323 states have internal predecessors, (365), 39 states have call successors, (39), 18 states have call predecessors, (39), 17 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2022-10-16 14:51:03,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 436 transitions. [2022-10-16 14:51:03,541 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 436 transitions. Word has length 4 [2022-10-16 14:51:03,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:51:03,541 INFO L495 AbstractCegarLoop]: Abstraction has 373 states and 436 transitions. [2022-10-16 14:51:03,541 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:51:03,542 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 436 transitions. [2022-10-16 14:51:03,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-16 14:51:03,542 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:51:03,542 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2022-10-16 14:51:03,543 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 14:51:03,543 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [InterlockedIncrementErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, InterlockedIncrementErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, DiskPerfSendToNextDriverErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2022-10-16 14:51:03,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:51:03,544 INFO L85 PathProgramCache]: Analyzing trace with hash -1047067413, now seen corresponding path program 1 times [2022-10-16 14:51:03,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:51:03,545 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871063651] [2022-10-16 14:51:03,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:51:03,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:51:03,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:51:04,470 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:51:04,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:51:04,471 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871063651] [2022-10-16 14:51:04,471 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1871063651] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:51:04,472 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:51:04,472 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 14:51:04,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074304583] [2022-10-16 14:51:04,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:51:04,474 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 14:51:04,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:51:04,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 14:51:04,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 14:51:04,476 INFO L87 Difference]: Start difference. First operand 373 states and 436 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:51:04,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:51:04,593 INFO L93 Difference]: Finished difference Result 373 states and 436 transitions. [2022-10-16 14:51:04,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 14:51:04,594 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-10-16 14:51:04,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:51:04,599 INFO L225 Difference]: With dead ends: 373 [2022-10-16 14:51:04,599 INFO L226 Difference]: Without dead ends: 371 [2022-10-16 14:51:04,605 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 14:51:04,608 INFO L413 NwaCegarLoop]: 420 mSDtfsCounter, 5 mSDsluCounter, 414 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 834 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:51:04,609 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 834 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:51:04,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2022-10-16 14:51:04,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 371. [2022-10-16 14:51:04,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 371 states, 255 states have (on average 1.423529411764706) internal successors, (363), 321 states have internal predecessors, (363), 39 states have call successors, (39), 18 states have call predecessors, (39), 17 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2022-10-16 14:51:04,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 434 transitions. [2022-10-16 14:51:04,666 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 434 transitions. Word has length 8 [2022-10-16 14:51:04,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:51:04,667 INFO L495 AbstractCegarLoop]: Abstraction has 371 states and 434 transitions. [2022-10-16 14:51:04,667 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:51:04,667 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 434 transitions. [2022-10-16 14:51:04,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-16 14:51:04,668 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:51:04,669 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1] [2022-10-16 14:51:04,669 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 14:51:04,669 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [InterlockedIncrementErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, InterlockedIncrementErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, DiskPerfSendToNextDriverErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2022-10-16 14:51:04,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:51:04,672 INFO L85 PathProgramCache]: Analyzing trace with hash 1900649060, now seen corresponding path program 1 times [2022-10-16 14:51:04,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:51:04,673 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372897500] [2022-10-16 14:51:04,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:51:04,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:51:04,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:51:05,798 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:51:05,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:51:05,799 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372897500] [2022-10-16 14:51:05,799 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1372897500] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:51:05,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1857169418] [2022-10-16 14:51:05,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:51:05,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:51:05,800 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:51:05,808 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:51:05,812 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-16 14:51:07,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:51:07,085 INFO L263 TraceCheckSpWp]: Trace formula consists of 3993 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 14:51:07,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:51:07,225 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:51:07,225 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 14:51:07,226 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1857169418] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:51:07,226 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 14:51:07,227 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2022-10-16 14:51:07,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308241634] [2022-10-16 14:51:07,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:51:07,241 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:51:07,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:51:07,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:51:07,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 14:51:07,244 INFO L87 Difference]: Start difference. First operand 371 states and 434 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:51:09,342 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 14:51:09,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:51:09,486 INFO L93 Difference]: Finished difference Result 371 states and 434 transitions. [2022-10-16 14:51:09,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 14:51:09,487 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-10-16 14:51:09,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:51:09,490 INFO L225 Difference]: With dead ends: 371 [2022-10-16 14:51:09,490 INFO L226 Difference]: Without dead ends: 369 [2022-10-16 14:51:09,491 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 14:51:09,492 INFO L413 NwaCegarLoop]: 416 mSDtfsCounter, 249 mSDsluCounter, 273 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 27 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 271 SdHoareTripleChecker+Valid, 689 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-10-16 14:51:09,493 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [271 Valid, 689 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 21 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2022-10-16 14:51:09,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2022-10-16 14:51:09,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 363. [2022-10-16 14:51:09,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 249 states have (on average 1.4257028112449799) internal successors, (355), 313 states have internal predecessors, (355), 39 states have call successors, (39), 18 states have call predecessors, (39), 17 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2022-10-16 14:51:09,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 426 transitions. [2022-10-16 14:51:09,511 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 426 transitions. Word has length 9 [2022-10-16 14:51:09,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:51:09,511 INFO L495 AbstractCegarLoop]: Abstraction has 363 states and 426 transitions. [2022-10-16 14:51:09,511 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:51:09,512 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 426 transitions. [2022-10-16 14:51:09,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-16 14:51:09,512 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:51:09,513 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] [2022-10-16 14:51:09,560 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-10-16 14:51:09,726 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:51:09,727 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [InterlockedIncrementErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, InterlockedIncrementErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, DiskPerfSendToNextDriverErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2022-10-16 14:51:09,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:51:09,729 INFO L85 PathProgramCache]: Analyzing trace with hash 1882058590, now seen corresponding path program 1 times [2022-10-16 14:51:09,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:51:09,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100712608] [2022-10-16 14:51:09,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:51:09,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:51:10,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:51:12,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:51:12,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:51:12,095 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100712608] [2022-10-16 14:51:12,095 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2100712608] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:51:12,095 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:51:12,096 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 14:51:12,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490881371] [2022-10-16 14:51:12,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:51:12,096 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:51:12,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:51:12,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:51:12,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:51:12,100 INFO L87 Difference]: Start difference. First operand 363 states and 426 transitions. Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:51:12,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:51:12,262 INFO L93 Difference]: Finished difference Result 734 states and 861 transitions. [2022-10-16 14:51:12,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 14:51:12,262 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2022-10-16 14:51:12,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:51:12,265 INFO L225 Difference]: With dead ends: 734 [2022-10-16 14:51:12,265 INFO L226 Difference]: Without dead ends: 377 [2022-10-16 14:51:12,267 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:51:12,269 INFO L413 NwaCegarLoop]: 418 mSDtfsCounter, 10 mSDsluCounter, 828 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 1246 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:51:12,269 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 1246 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:51:12,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2022-10-16 14:51:12,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 371. [2022-10-16 14:51:12,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 371 states, 257 states have (on average 1.4124513618677044) internal successors, (363), 321 states have internal predecessors, (363), 39 states have call successors, (39), 18 states have call predecessors, (39), 17 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2022-10-16 14:51:12,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 434 transitions. [2022-10-16 14:51:12,286 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 434 transitions. Word has length 23 [2022-10-16 14:51:12,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:51:12,286 INFO L495 AbstractCegarLoop]: Abstraction has 371 states and 434 transitions. [2022-10-16 14:51:12,287 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:51:12,287 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 434 transitions. [2022-10-16 14:51:12,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-16 14:51:12,288 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:51:12,288 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-10-16 14:51:12,288 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 14:51:12,289 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [InterlockedIncrementErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, InterlockedIncrementErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, DiskPerfSendToNextDriverErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2022-10-16 14:51:12,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:51:12,289 INFO L85 PathProgramCache]: Analyzing trace with hash 35812670, now seen corresponding path program 1 times [2022-10-16 14:51:12,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:51:12,290 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401311036] [2022-10-16 14:51:12,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:51:12,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:51:15,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:51:17,231 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-16 14:51:17,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:51:17,232 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401311036] [2022-10-16 14:51:17,232 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401311036] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:51:17,233 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [256503633] [2022-10-16 14:51:17,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:51:17,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:51:17,233 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:51:17,234 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:51:17,259 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-16 14:51:20,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:51:20,203 INFO L263 TraceCheckSpWp]: Trace formula consists of 10069 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-16 14:51:20,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:51:20,295 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-16 14:51:20,295 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:51:20,436 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-16 14:51:20,436 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [256503633] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:51:20,436 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:51:20,436 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2022-10-16 14:51:20,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104202271] [2022-10-16 14:51:20,437 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:51:20,438 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 14:51:20,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:51:20,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 14:51:20,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2022-10-16 14:51:20,439 INFO L87 Difference]: Start difference. First operand 371 states and 434 transitions. Second operand has 9 states, 9 states have (on average 4.555555555555555) internal successors, (41), 9 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:51:20,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:51:20,989 INFO L93 Difference]: Finished difference Result 890 states and 1056 transitions. [2022-10-16 14:51:20,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 14:51:20,989 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.555555555555555) internal successors, (41), 9 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2022-10-16 14:51:20,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:51:20,994 INFO L225 Difference]: With dead ends: 890 [2022-10-16 14:51:20,994 INFO L226 Difference]: Without dead ends: 529 [2022-10-16 14:51:20,995 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2022-10-16 14:51:20,997 INFO L413 NwaCegarLoop]: 482 mSDtfsCounter, 385 mSDsluCounter, 841 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 429 SdHoareTripleChecker+Valid, 1323 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 14:51:20,997 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [429 Valid, 1323 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 14:51:20,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 529 states. [2022-10-16 14:51:21,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 529 to 391. [2022-10-16 14:51:21,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 391 states, 277 states have (on average 1.3826714801444044) internal successors, (383), 341 states have internal predecessors, (383), 39 states have call successors, (39), 18 states have call predecessors, (39), 17 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2022-10-16 14:51:21,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 454 transitions. [2022-10-16 14:51:21,020 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 454 transitions. Word has length 31 [2022-10-16 14:51:21,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:51:21,020 INFO L495 AbstractCegarLoop]: Abstraction has 391 states and 454 transitions. [2022-10-16 14:51:21,021 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.555555555555555) internal successors, (41), 9 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:51:21,021 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 454 transitions. [2022-10-16 14:51:21,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-16 14:51:21,022 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:51:21,023 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:51:21,068 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-10-16 14:51:21,237 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:51:21,238 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [InterlockedIncrementErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, InterlockedIncrementErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, DiskPerfSendToNextDriverErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2022-10-16 14:51:21,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:51:21,239 INFO L85 PathProgramCache]: Analyzing trace with hash 583587945, now seen corresponding path program 2 times [2022-10-16 14:51:21,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:51:21,240 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419485689] [2022-10-16 14:51:21,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:51:21,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:51:22,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:51:25,262 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-16 14:51:25,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:51:25,263 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419485689] [2022-10-16 14:51:25,263 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [419485689] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:51:25,264 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [635136109] [2022-10-16 14:51:25,264 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 14:51:25,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:51:25,264 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:51:25,265 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:51:25,270 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process