/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-SemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_current_pc8736x_gpio_set.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.datarace-free-lbe-02cf818-m [2023-11-17 15:28:13,990 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-17 15:28:14,082 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-SemanticLbe.epf [2023-11-17 15:28:14,114 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-17 15:28:14,114 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-17 15:28:14,115 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-17 15:28:14,115 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-17 15:28:14,116 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-17 15:28:14,116 INFO L153 SettingsManager]: * Use SBE=true [2023-11-17 15:28:14,119 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-17 15:28:14,120 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-17 15:28:14,120 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-17 15:28:14,121 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-17 15:28:14,122 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-17 15:28:14,122 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-17 15:28:14,122 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-17 15:28:14,122 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-17 15:28:14,122 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-17 15:28:14,123 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-17 15:28:14,123 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-17 15:28:14,123 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-17 15:28:14,124 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-17 15:28:14,124 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-17 15:28:14,124 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-17 15:28:14,124 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-17 15:28:14,124 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 15:28:14,125 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-17 15:28:14,125 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-17 15:28:14,125 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-17 15:28:14,125 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-17 15:28:14,126 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-17 15:28:14,126 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-17 15:28:14,126 INFO L153 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-11-17 15:28:14,332 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-17 15:28:14,354 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-17 15:28:14,356 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-17 15:28:14,357 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-17 15:28:14,358 INFO L274 PluginConnector]: CDTParser initialized [2023-11-17 15:28:14,359 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_current_pc8736x_gpio_set.i [2023-11-17 15:28:15,508 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-17 15:28:16,020 INFO L384 CDTParser]: Found 1 translation units. [2023-11-17 15:28:16,021 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_current_pc8736x_gpio_set.i [2023-11-17 15:28:16,066 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b86204e05/451fe3881d69451da04c6d10a0bb539c/FLAGf62920668 [2023-11-17 15:28:16,093 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b86204e05/451fe3881d69451da04c6d10a0bb539c [2023-11-17 15:28:16,095 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-17 15:28:16,096 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-17 15:28:16,099 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-17 15:28:16,099 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-17 15:28:16,103 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-17 15:28:16,104 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 03:28:16" (1/1) ... [2023-11-17 15:28:16,104 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c0a5b93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:28:16, skipping insertion in model container [2023-11-17 15:28:16,105 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 03:28:16" (1/1) ... [2023-11-17 15:28:16,204 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-17 15:28:16,561 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_current_pc8736x_gpio_set.i[5469,5482] [2023-11-17 15:28:20,778 WARN L635 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-11-17 15:28:21,238 WARN L1588 CHandler]: Possible shadowing of function iminor [2023-11-17 15:28:21,239 WARN L1588 CHandler]: Possible shadowing of function iminor [2023-11-17 15:28:21,297 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-17 15:28:21,313 INFO L202 MainTranslator]: Completed pre-run [2023-11-17 15:28:21,336 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_current_pc8736x_gpio_set.i[5469,5482] [2023-11-17 15:28:21,418 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "b %b0, %1\n" : "+q" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] [2023-11-17 15:28:21,420 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "w %w0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] [2023-11-17 15:28:21,420 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "l %0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] [2023-11-17 15:28:21,420 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "q %q0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] [2023-11-17 15:28:21,492 WARN L635 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-11-17 15:28:21,514 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] [2023-11-17 15:28:21,550 WARN L1588 CHandler]: Possible shadowing of function iminor [2023-11-17 15:28:21,550 WARN L1588 CHandler]: Possible shadowing of function iminor [2023-11-17 15:28:21,562 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-17 15:28:22,115 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 15:28:22,115 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 15:28:22,115 WARN L675 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 15:28:22,115 WARN L675 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 15:28:22,115 WARN L675 CHandler]: The function __builtin_constant_p is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 15:28:22,116 WARN L675 CHandler]: The function ____ilog2_NaN is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 15:28:22,116 WARN L675 CHandler]: The function _whoop_init is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 15:28:22,122 INFO L206 MainTranslator]: Completed translation [2023-11-17 15:28:22,122 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:28:22 WrapperNode [2023-11-17 15:28:22,123 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-17 15:28:22,124 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-17 15:28:22,124 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-17 15:28:22,124 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-17 15:28:22,130 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:28:22" (1/1) ... [2023-11-17 15:28:22,234 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:28:22" (1/1) ... [2023-11-17 15:28:22,318 INFO L138 Inliner]: procedures = 1394, calls = 1539, calls flagged for inlining = 392, calls inlined = 51, statements flattened = 702 [2023-11-17 15:28:22,319 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-17 15:28:22,319 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-17 15:28:22,319 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-17 15:28:22,320 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-17 15:28:22,333 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:28:22" (1/1) ... [2023-11-17 15:28:22,333 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:28:22" (1/1) ... [2023-11-17 15:28:22,348 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:28:22" (1/1) ... [2023-11-17 15:28:22,348 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:28:22" (1/1) ... [2023-11-17 15:28:22,376 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:28:22" (1/1) ... [2023-11-17 15:28:22,406 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:28:22" (1/1) ... [2023-11-17 15:28:22,412 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:28:22" (1/1) ... [2023-11-17 15:28:22,417 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:28:22" (1/1) ... [2023-11-17 15:28:22,438 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-17 15:28:22,439 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-17 15:28:22,439 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-17 15:28:22,439 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-17 15:28:22,440 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:28:22" (1/1) ... [2023-11-17 15:28:22,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 15:28:22,459 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 15:28:22,481 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) [2023-11-17 15:28:22,506 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 [2023-11-17 15:28:22,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-17 15:28:22,516 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-17 15:28:22,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-17 15:28:22,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-17 15:28:22,517 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_current [2023-11-17 15:28:22,517 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_current [2023-11-17 15:28:22,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-17 15:28:22,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-17 15:28:22,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-17 15:28:22,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-17 15:28:22,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-17 15:28:22,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-17 15:28:22,518 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-17 15:28:22,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-17 15:28:22,518 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-17 15:28:22,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-17 15:28:22,519 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_set [2023-11-17 15:28:22,519 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_set [2023-11-17 15:28:22,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-17 15:28:22,521 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-17 15:28:22,945 INFO L239 CfgBuilder]: Building ICFG [2023-11-17 15:28:22,947 INFO L265 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-17 15:28:23,742 INFO L280 CfgBuilder]: Performing block encoding [2023-11-17 15:28:23,793 INFO L302 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-17 15:28:23,793 INFO L307 CfgBuilder]: Removed 25 assume(true) statements. [2023-11-17 15:28:23,795 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 03:28:23 BoogieIcfgContainer [2023-11-17 15:28:23,795 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-17 15:28:23,797 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-17 15:28:23,797 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-17 15:28:23,800 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-17 15:28:23,800 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 03:28:16" (1/3) ... [2023-11-17 15:28:23,801 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59fa5683 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 03:28:23, skipping insertion in model container [2023-11-17 15:28:23,801 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:28:22" (2/3) ... [2023-11-17 15:28:23,801 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59fa5683 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 03:28:23, skipping insertion in model container [2023-11-17 15:28:23,801 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 03:28:23" (3/3) ... [2023-11-17 15:28:23,802 INFO L112 eAbstractionObserver]: Analyzing ICFG char_pc8736x_gpio_pc8736x_gpio_current_pc8736x_gpio_set.i [2023-11-17 15:28:23,818 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-17 15:28:23,818 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-17 15:28:23,818 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-17 15:28:23,905 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-17 15:28:23,943 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 782 places, 826 transitions, 1666 flow [2023-11-17 15:28:24,193 INFO L124 PetriNetUnfolderBase]: 51/824 cut-off events. [2023-11-17 15:28:24,193 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-17 15:28:24,201 INFO L83 FinitePrefix]: Finished finitePrefix Result has 833 conditions, 824 events. 51/824 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 977 event pairs, 0 based on Foata normal form. 0/770 useless extension candidates. Maximal degree in co-relation 784. Up to 9 conditions per place. [2023-11-17 15:28:24,201 INFO L82 GeneralOperation]: Start removeDead. Operand has 782 places, 826 transitions, 1666 flow [2023-11-17 15:28:24,211 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 771 places, 815 transitions, 1639 flow [2023-11-17 15:28:24,214 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-11-17 15:28:24,224 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 771 places, 815 transitions, 1639 flow [2023-11-17 15:28:24,226 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 771 places, 815 transitions, 1639 flow [2023-11-17 15:28:24,226 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 771 places, 815 transitions, 1639 flow [2023-11-17 15:28:24,364 INFO L124 PetriNetUnfolderBase]: 51/815 cut-off events. [2023-11-17 15:28:24,364 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-17 15:28:24,366 INFO L83 FinitePrefix]: Finished finitePrefix Result has 823 conditions, 815 events. 51/815 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 930 event pairs, 0 based on Foata normal form. 0/761 useless extension candidates. Maximal degree in co-relation 784. Up to 9 conditions per place. [2023-11-17 15:28:24,372 INFO L119 LiptonReduction]: Number of co-enabled transitions 8222 [2023-11-17 15:29:34,880 WARN L293 SmtUtils]: Spent 7.63s on a formula simplification that was a NOOP. DAG size: 289 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-17 15:29:42,030 WARN L293 SmtUtils]: Spent 7.15s on a formula simplification that was a NOOP. DAG size: 281 (called from [L 302] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-17 15:29:51,661 WARN L293 SmtUtils]: Spent 9.63s on a formula simplification that was a NOOP. DAG size: 292 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-17 15:29:58,714 WARN L293 SmtUtils]: Spent 7.05s on a formula simplification that was a NOOP. DAG size: 284 (called from [L 302] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-17 15:32:40,102 WARN L293 SmtUtils]: Spent 2.66m on a formula simplification. DAG size of input: 661 DAG size of output: 659 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-17 15:33:49,549 WARN L293 SmtUtils]: Spent 1.16m on a formula simplification that was a NOOP. DAG size: 573 (called from [L 302] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-17 15:35:10,902 WARN L293 SmtUtils]: Spent 1.36m on a formula simplification. DAG size of input: 664 DAG size of output: 662 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-17 15:35:44,821 WARN L293 SmtUtils]: Spent 33.90s on a formula simplification that was a NOOP. DAG size: 576 (called from [L 302] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-17 15:35:46,596 INFO L134 LiptonReduction]: Checked pairs total: 8435 [2023-11-17 15:35:46,597 INFO L136 LiptonReduction]: Total number of compositions: 895 [2023-11-17 15:35:46,610 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-17 15:35:46,614 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=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@6215e5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-17 15:35:46,615 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2023-11-17 15:35:46,623 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-17 15:35:46,623 INFO L124 PetriNetUnfolderBase]: 4/9 cut-off events. [2023-11-17 15:35:46,623 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-17 15:35:46,623 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-17 15:35:46,624 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-11-17 15:35:46,624 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-11-17 15:35:46,629 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 15:35:46,629 INFO L85 PathProgramCache]: Analyzing trace with hash 3002303, now seen corresponding path program 1 times [2023-11-17 15:35:46,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 15:35:46,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304367956] [2023-11-17 15:35:46,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 15:35:46,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 15:35:46,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 15:35:47,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 15:35:47,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 15:35:47,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304367956] [2023-11-17 15:35:47,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [304367956] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 15:35:47,140 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 15:35:47,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-17 15:35:47,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143654365] [2023-11-17 15:35:47,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 15:35:47,149 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-17 15:35:47,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 15:35:47,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-17 15:35:47,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-17 15:35:47,182 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 787 out of 1721 [2023-11-17 15:35:47,188 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 49 transitions, 107 flow. Second operand has 2 states, 2 states have (on average 788.5) internal successors, (1577), 2 states have internal predecessors, (1577), 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) [2023-11-17 15:35:47,189 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-17 15:35:47,189 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 787 of 1721 [2023-11-17 15:35:47,190 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-17 15:35:47,457 INFO L124 PetriNetUnfolderBase]: 91/181 cut-off events. [2023-11-17 15:35:47,458 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2023-11-17 15:35:47,458 INFO L83 FinitePrefix]: Finished finitePrefix Result has 386 conditions, 181 events. 91/181 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 548 event pairs, 81 based on Foata normal form. 0/145 useless extension candidates. Maximal degree in co-relation 302. Up to 182 conditions per place. [2023-11-17 15:35:47,460 INFO L140 encePairwiseOnDemand]: 1709/1721 looper letters, 37 selfloop transitions, 0 changer transitions 0/37 dead transitions. [2023-11-17 15:35:47,460 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 37 transitions, 157 flow [2023-11-17 15:35:47,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 15:35:47,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-17 15:35:47,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 1623 transitions. [2023-11-17 15:35:47,481 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4715281812899477 [2023-11-17 15:35:47,482 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 1623 transitions. [2023-11-17 15:35:47,482 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 1623 transitions. [2023-11-17 15:35:47,485 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-17 15:35:47,488 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 1623 transitions. [2023-11-17 15:35:47,495 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 811.5) internal successors, (1623), 2 states have internal predecessors, (1623), 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) [2023-11-17 15:35:47,506 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 1721.0) internal successors, (5163), 3 states have internal predecessors, (5163), 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) [2023-11-17 15:35:47,508 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 1721.0) internal successors, (5163), 3 states have internal predecessors, (5163), 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) [2023-11-17 15:35:47,510 INFO L175 Difference]: Start difference. First operand has 35 places, 49 transitions, 107 flow. Second operand 2 states and 1623 transitions. [2023-11-17 15:35:47,511 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 37 transitions, 157 flow [2023-11-17 15:35:47,513 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 32 places, 37 transitions, 152 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-11-17 15:35:47,515 INFO L231 Difference]: Finished difference. Result has 32 places, 37 transitions, 78 flow [2023-11-17 15:35:47,516 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1721, PETRI_DIFFERENCE_MINUEND_FLOW=78, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=78, PETRI_PLACES=32, PETRI_TRANSITIONS=37} [2023-11-17 15:35:47,519 INFO L281 CegarLoopForPetriNet]: 35 programPoint places, -3 predicate places. [2023-11-17 15:35:47,520 INFO L495 AbstractCegarLoop]: Abstraction has has 32 places, 37 transitions, 78 flow [2023-11-17 15:35:47,521 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 788.5) internal successors, (1577), 2 states have internal predecessors, (1577), 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) [2023-11-17 15:35:47,521 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-17 15:35:47,521 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-17 15:35:47,521 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-17 15:35:47,522 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-11-17 15:35:47,522 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 15:35:47,522 INFO L85 PathProgramCache]: Analyzing trace with hash -1566878781, now seen corresponding path program 1 times [2023-11-17 15:35:47,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 15:35:47,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355518426] [2023-11-17 15:35:47,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 15:35:47,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 15:35:47,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 15:35:48,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 15:35:48,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 15:35:48,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355518426] [2023-11-17 15:35:48,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1355518426] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 15:35:48,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 15:35:48,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-17 15:35:48,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876997855] [2023-11-17 15:35:48,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 15:35:48,045 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-17 15:35:48,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 15:35:48,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-17 15:35:48,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-17 15:35:48,049 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 765 out of 1721 [2023-11-17 15:35:48,052 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 37 transitions, 78 flow. Second operand has 3 states, 3 states have (on average 767.3333333333334) internal successors, (2302), 3 states have internal predecessors, (2302), 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) [2023-11-17 15:35:48,052 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-17 15:35:48,052 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 765 of 1721 [2023-11-17 15:35:48,054 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-17 15:35:48,401 INFO L124 PetriNetUnfolderBase]: 91/182 cut-off events. [2023-11-17 15:35:48,402 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-17 15:35:48,402 INFO L83 FinitePrefix]: Finished finitePrefix Result has 382 conditions, 182 events. 91/182 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 548 event pairs, 81 based on Foata normal form. 0/146 useless extension candidates. Maximal degree in co-relation 379. Up to 182 conditions per place. [2023-11-17 15:35:48,403 INFO L140 encePairwiseOnDemand]: 1717/1721 looper letters, 36 selfloop transitions, 2 changer transitions 0/38 dead transitions. [2023-11-17 15:35:48,403 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 38 transitions, 156 flow [2023-11-17 15:35:48,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 15:35:48,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-17 15:35:48,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2335 transitions. [2023-11-17 15:35:48,411 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.45225644005423205 [2023-11-17 15:35:48,411 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2335 transitions. [2023-11-17 15:35:48,411 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2335 transitions. [2023-11-17 15:35:48,412 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-17 15:35:48,412 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2335 transitions. [2023-11-17 15:35:48,417 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 778.3333333333334) internal successors, (2335), 3 states have internal predecessors, (2335), 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) [2023-11-17 15:35:48,427 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1721.0) internal successors, (6884), 4 states have internal predecessors, (6884), 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) [2023-11-17 15:35:48,431 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1721.0) internal successors, (6884), 4 states have internal predecessors, (6884), 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) [2023-11-17 15:35:48,431 INFO L175 Difference]: Start difference. First operand has 32 places, 37 transitions, 78 flow. Second operand 3 states and 2335 transitions. [2023-11-17 15:35:48,431 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 38 transitions, 156 flow [2023-11-17 15:35:48,432 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 38 transitions, 156 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-17 15:35:48,433 INFO L231 Difference]: Finished difference. Result has 35 places, 38 transitions, 92 flow [2023-11-17 15:35:48,433 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1721, PETRI_DIFFERENCE_MINUEND_FLOW=78, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=92, PETRI_PLACES=35, PETRI_TRANSITIONS=38} [2023-11-17 15:35:48,434 INFO L281 CegarLoopForPetriNet]: 35 programPoint places, 0 predicate places. [2023-11-17 15:35:48,435 INFO L495 AbstractCegarLoop]: Abstraction has has 35 places, 38 transitions, 92 flow [2023-11-17 15:35:48,436 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 767.3333333333334) internal successors, (2302), 3 states have internal predecessors, (2302), 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) [2023-11-17 15:35:48,436 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-17 15:35:48,436 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-17 15:35:48,437 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-17 15:35:48,438 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-11-17 15:35:48,442 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 15:35:48,442 INFO L85 PathProgramCache]: Analyzing trace with hash -1532163152, now seen corresponding path program 1 times [2023-11-17 15:35:48,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 15:35:48,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453673643] [2023-11-17 15:35:48,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 15:35:48,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 15:35:48,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 15:35:48,930 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 15:35:48,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 15:35:48,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453673643] [2023-11-17 15:35:48,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [453673643] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 15:35:48,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [377980298] [2023-11-17 15:35:48,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 15:35:48,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 15:35:48,931 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 15:35:48,934 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) [2023-11-17 15:35:48,937 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-17 15:35:49,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 15:35:49,365 INFO L262 TraceCheckSpWp]: Trace formula consists of 565 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-17 15:35:49,372 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 15:35:49,385 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-17 15:35:49,385 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-17 15:35:49,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [377980298] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 15:35:49,386 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-17 15:35:49,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 5 [2023-11-17 15:35:49,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621091828] [2023-11-17 15:35:49,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 15:35:49,387 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-17 15:35:49,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 15:35:49,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-17 15:35:49,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-17 15:35:49,391 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 741 out of 1721 [2023-11-17 15:35:49,393 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 38 transitions, 92 flow. Second operand has 3 states, 3 states have (on average 743.6666666666666) internal successors, (2231), 3 states have internal predecessors, (2231), 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) [2023-11-17 15:35:49,394 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-17 15:35:49,394 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 741 of 1721 [2023-11-17 15:35:49,394 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-17 15:35:49,730 INFO L124 PetriNetUnfolderBase]: 88/179 cut-off events. [2023-11-17 15:35:49,730 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-17 15:35:49,731 INFO L83 FinitePrefix]: Finished finitePrefix Result has 384 conditions, 179 events. 88/179 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 582 event pairs, 51 based on Foata normal form. 0/149 useless extension candidates. Maximal degree in co-relation 379. Up to 145 conditions per place. [2023-11-17 15:35:49,734 INFO L140 encePairwiseOnDemand]: 1717/1721 looper letters, 42 selfloop transitions, 3 changer transitions 3/48 dead transitions. [2023-11-17 15:35:49,734 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 48 transitions, 209 flow [2023-11-17 15:35:49,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 15:35:49,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-17 15:35:49,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2271 transitions. [2023-11-17 15:35:49,741 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4398605461940732 [2023-11-17 15:35:49,741 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2271 transitions. [2023-11-17 15:35:49,741 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2271 transitions. [2023-11-17 15:35:49,742 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-17 15:35:49,742 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2271 transitions. [2023-11-17 15:35:49,747 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 757.0) internal successors, (2271), 3 states have internal predecessors, (2271), 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) [2023-11-17 15:35:49,771 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1721.0) internal successors, (6884), 4 states have internal predecessors, (6884), 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) [2023-11-17 15:35:49,774 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1721.0) internal successors, (6884), 4 states have internal predecessors, (6884), 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) [2023-11-17 15:35:49,774 INFO L175 Difference]: Start difference. First operand has 35 places, 38 transitions, 92 flow. Second operand 3 states and 2271 transitions. [2023-11-17 15:35:49,774 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 48 transitions, 209 flow [2023-11-17 15:35:49,775 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 48 transitions, 205 flow, removed 1 selfloop flow, removed 1 redundant places. [2023-11-17 15:35:49,776 INFO L231 Difference]: Finished difference. Result has 37 places, 40 transitions, 107 flow [2023-11-17 15:35:49,776 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1721, PETRI_DIFFERENCE_MINUEND_FLOW=88, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=107, PETRI_PLACES=37, PETRI_TRANSITIONS=40} [2023-11-17 15:35:49,777 INFO L281 CegarLoopForPetriNet]: 35 programPoint places, 2 predicate places. [2023-11-17 15:35:49,777 INFO L495 AbstractCegarLoop]: Abstraction has has 37 places, 40 transitions, 107 flow [2023-11-17 15:35:49,778 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 743.6666666666666) internal successors, (2231), 3 states have internal predecessors, (2231), 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) [2023-11-17 15:35:49,779 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-17 15:35:49,779 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-17 15:35:49,791 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-17 15:35:49,986 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 [2023-11-17 15:35:49,987 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-11-17 15:35:49,988 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 15:35:49,988 INFO L85 PathProgramCache]: Analyzing trace with hash -81765635, now seen corresponding path program 1 times [2023-11-17 15:35:49,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 15:35:49,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457531563] [2023-11-17 15:35:49,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 15:35:49,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 15:35:50,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 15:35:50,502 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 15:35:50,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 15:35:50,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457531563] [2023-11-17 15:35:50,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1457531563] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 15:35:50,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [157976148] [2023-11-17 15:35:50,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 15:35:50,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 15:35:50,504 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 15:35:50,505 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) [2023-11-17 15:35:50,527 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-17 15:35:51,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 15:35:51,402 INFO L262 TraceCheckSpWp]: Trace formula consists of 560 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-17 15:35:51,405 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 15:35:51,467 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-11-17 15:35:51,480 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-17 15:35:51,480 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-17 15:35:51,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [157976148] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 15:35:51,481 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-17 15:35:51,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 6 [2023-11-17 15:35:51,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356704668] [2023-11-17 15:35:51,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 15:35:51,482 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-17 15:35:51,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 15:35:51,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-17 15:35:51,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-17 15:35:51,485 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 737 out of 1721 [2023-11-17 15:35:51,488 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 40 transitions, 107 flow. Second operand has 4 states, 4 states have (on average 739.25) internal successors, (2957), 4 states have internal predecessors, (2957), 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) [2023-11-17 15:35:51,488 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-17 15:35:51,488 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 737 of 1721 [2023-11-17 15:35:51,488 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-17 15:35:52,183 INFO L124 PetriNetUnfolderBase]: 89/182 cut-off events. [2023-11-17 15:35:52,183 INFO L125 PetriNetUnfolderBase]: For 54/54 co-relation queries the response was YES. [2023-11-17 15:35:52,184 INFO L83 FinitePrefix]: Finished finitePrefix Result has 467 conditions, 182 events. 89/182 cut-off events. For 54/54 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 577 event pairs, 43 based on Foata normal form. 0/159 useless extension candidates. Maximal degree in co-relation 461. Up to 120 conditions per place. [2023-11-17 15:35:52,184 INFO L140 encePairwiseOnDemand]: 1716/1721 looper letters, 41 selfloop transitions, 5 changer transitions 7/53 dead transitions. [2023-11-17 15:35:52,185 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 53 transitions, 259 flow [2023-11-17 15:35:52,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 15:35:52,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-17 15:35:52,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 2998 transitions. [2023-11-17 15:35:52,192 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43550261475886115 [2023-11-17 15:35:52,193 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 2998 transitions. [2023-11-17 15:35:52,193 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 2998 transitions. [2023-11-17 15:35:52,194 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-17 15:35:52,195 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 2998 transitions. [2023-11-17 15:35:52,202 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 749.5) internal successors, (2998), 4 states have internal predecessors, (2998), 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) [2023-11-17 15:35:52,212 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 1721.0) internal successors, (8605), 5 states have internal predecessors, (8605), 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) [2023-11-17 15:35:52,214 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 1721.0) internal successors, (8605), 5 states have internal predecessors, (8605), 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) [2023-11-17 15:35:52,215 INFO L175 Difference]: Start difference. First operand has 37 places, 40 transitions, 107 flow. Second operand 4 states and 2998 transitions. [2023-11-17 15:35:52,215 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 53 transitions, 259 flow [2023-11-17 15:35:52,217 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 53 transitions, 252 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-17 15:35:52,218 INFO L231 Difference]: Finished difference. Result has 40 places, 40 transitions, 120 flow [2023-11-17 15:35:52,218 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1721, PETRI_DIFFERENCE_MINUEND_FLOW=104, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=120, PETRI_PLACES=40, PETRI_TRANSITIONS=40} [2023-11-17 15:35:52,220 INFO L281 CegarLoopForPetriNet]: 35 programPoint places, 5 predicate places. [2023-11-17 15:35:52,220 INFO L495 AbstractCegarLoop]: Abstraction has has 40 places, 40 transitions, 120 flow [2023-11-17 15:35:52,221 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 739.25) internal successors, (2957), 4 states have internal predecessors, (2957), 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) [2023-11-17 15:35:52,221 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-17 15:35:52,222 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-17 15:35:52,231 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-17 15:35:52,430 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,SelfDestructingSolverStorable3 [2023-11-17 15:35:52,431 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-11-17 15:35:52,431 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 15:35:52,431 INFO L85 PathProgramCache]: Analyzing trace with hash 1760256402, now seen corresponding path program 1 times [2023-11-17 15:35:52,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 15:35:52,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716488966] [2023-11-17 15:35:52,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 15:35:52,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 15:35:52,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 15:35:52,887 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 15:35:52,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 15:35:52,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716488966] [2023-11-17 15:35:52,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1716488966] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 15:35:52,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [651202022] [2023-11-17 15:35:52,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 15:35:52,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 15:35:52,888 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 15:35:52,889 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) [2023-11-17 15:35:52,908 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-17 15:35:53,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 15:35:53,727 INFO L262 TraceCheckSpWp]: Trace formula consists of 576 conjuncts, 61 conjunts are in the unsatisfiable core [2023-11-17 15:35:53,733 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 15:35:53,839 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-17 15:35:53,997 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-17 15:35:54,153 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-17 15:35:54,269 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-17 15:35:54,365 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-17 15:35:54,467 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-17 15:35:54,544 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-17 15:35:54,608 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-17 15:35:54,647 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-17 15:35:54,702 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-17 15:35:54,726 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-17 15:35:54,746 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-17 15:35:54,763 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-17 15:35:54,776 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-17 15:35:54,786 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-17 15:35:54,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:35:55,230 INFO L349 Elim1Store]: treesize reduction 721, result has 10.1 percent of original size [2023-11-17 15:35:55,231 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 12 case distinctions, treesize of input 2991 treesize of output 3034 [2023-11-17 15:35:57,089 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-17 15:35:57,309 INFO L349 Elim1Store]: treesize reduction 558, result has 9.0 percent of original size [2023-11-17 15:35:57,310 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 12 case distinctions, treesize of input 2986 treesize of output 3008 [2023-11-17 15:35:57,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:35:57,913 INFO L349 Elim1Store]: treesize reduction 721, result has 10.1 percent of original size [2023-11-17 15:35:57,917 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 12 case distinctions, treesize of input 2994 treesize of output 3037 [2023-11-17 15:35:59,552 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-17 15:35:59,779 INFO L349 Elim1Store]: treesize reduction 558, result has 9.0 percent of original size [2023-11-17 15:35:59,780 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 12 case distinctions, treesize of input 2989 treesize of output 3011 [2023-11-17 15:35:59,977 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-17 15:35:59,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:36:00,308 INFO L349 Elim1Store]: treesize reduction 721, result has 10.1 percent of original size [2023-11-17 15:36:00,309 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 12 case distinctions, treesize of input 2994 treesize of output 3037 [2023-11-17 15:36:04,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:36:04,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:36:05,120 INFO L349 Elim1Store]: treesize reduction 910, result has 10.1 percent of original size [2023-11-17 15:36:05,121 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 12 case distinctions, treesize of input 2999 treesize of output 3058 [2023-11-17 15:36:18,448 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-17 15:36:18,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:36:18,777 INFO L349 Elim1Store]: treesize reduction 721, result has 10.1 percent of original size [2023-11-17 15:36:18,777 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 12 case distinctions, treesize of input 305 treesize of output 348 [2023-11-17 15:36:21,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:36:22,189 INFO L349 Elim1Store]: treesize reduction 910, result has 10.1 percent of original size [2023-11-17 15:36:22,190 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 12 case distinctions, treesize of input 310 treesize of output 369 [2023-11-17 15:36:36,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:36:37,110 INFO L349 Elim1Store]: treesize reduction 721, result has 10.1 percent of original size [2023-11-17 15:36:37,110 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 12 case distinctions, treesize of input 305 treesize of output 348 [2023-11-17 15:36:38,228 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-17 15:36:38,438 INFO L349 Elim1Store]: treesize reduction 558, result has 9.0 percent of original size [2023-11-17 15:36:38,439 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 12 case distinctions, treesize of input 300 treesize of output 322 [2023-11-17 15:36:38,763 INFO L349 Elim1Store]: treesize reduction 558, result has 9.0 percent of original size [2023-11-17 15:36:38,764 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 12 case distinctions, treesize of input 297 treesize of output 319 [2023-11-17 15:36:39,229 INFO L349 Elim1Store]: treesize reduction 721, result has 10.1 percent of original size [2023-11-17 15:36:39,230 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 12 case distinctions, treesize of input 302 treesize of output 345 [2023-11-17 15:36:40,481 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-17 15:36:40,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:36:40,829 INFO L349 Elim1Store]: treesize reduction 721, result has 10.1 percent of original size [2023-11-17 15:36:40,830 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 12 case distinctions, treesize of input 872 treesize of output 915 [2023-11-17 15:36:43,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:36:44,089 INFO L349 Elim1Store]: treesize reduction 910, result has 10.1 percent of original size [2023-11-17 15:36:44,090 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 12 case distinctions, treesize of input 877 treesize of output 936 [2023-11-17 15:36:46,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:36:47,088 INFO L349 Elim1Store]: treesize reduction 721, result has 10.1 percent of original size [2023-11-17 15:36:47,089 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 12 case distinctions, treesize of input 2994 treesize of output 3037 [2023-11-17 15:36:48,359 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-17 15:36:48,633 INFO L349 Elim1Store]: treesize reduction 558, result has 9.0 percent of original size [2023-11-17 15:36:48,634 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 12 case distinctions, treesize of input 2989 treesize of output 3011 [2023-11-17 15:36:49,050 INFO L349 Elim1Store]: treesize reduction 558, result has 9.0 percent of original size [2023-11-17 15:36:49,051 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 12 case distinctions, treesize of input 297 treesize of output 319 [2023-11-17 15:36:49,464 INFO L349 Elim1Store]: treesize reduction 721, result has 10.1 percent of original size [2023-11-17 15:36:49,464 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 12 case distinctions, treesize of input 302 treesize of output 345 [2023-11-17 15:36:50,836 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-17 15:36:50,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:36:50,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:36:51,385 INFO L349 Elim1Store]: treesize reduction 1120, result has 9.9 percent of original size [2023-11-17 15:36:51,385 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 12 case distinctions, treesize of input 688 treesize of output 763 Received shutdown request... [2023-11-17 15:37:10,383 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-11-17 15:37:10,397 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-11-17 15:37:10,406 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 7 remaining) [2023-11-17 15:37:10,420 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-17 15:37:10,615 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 15:37:10,616 WARN L619 AbstractCegarLoop]: Verification canceled: while CegarLoopForPetriNet was analyzing trace of length 11 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-26-8-7-5-7-5-7-9-4-5-7-5-1 context. [2023-11-17 15:37:10,618 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 7 remaining) [2023-11-17 15:37:10,618 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 7 remaining) [2023-11-17 15:37:10,618 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 7 remaining) [2023-11-17 15:37:10,619 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 7 remaining) [2023-11-17 15:37:10,619 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 7 remaining) [2023-11-17 15:37:10,619 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 7 remaining) [2023-11-17 15:37:10,619 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-11-17 15:37:10,625 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-17 15:37:10,625 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-17 15:37:10,627 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 03:37:10 BasicIcfg [2023-11-17 15:37:10,627 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-17 15:37:10,628 INFO L158 Benchmark]: Toolchain (without parser) took 534531.61ms. Allocated memory was 268.4MB in the beginning and 744.5MB in the end (delta: 476.1MB). Free memory was 210.9MB in the beginning and 562.5MB in the end (delta: -351.6MB). Peak memory consumption was 493.6MB. Max. memory is 8.0GB. [2023-11-17 15:37:10,628 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 185.6MB. Free memory was 141.2MB in the beginning and 141.0MB in the end (delta: 164.3kB). There was no memory consumed. Max. memory is 8.0GB. [2023-11-17 15:37:10,629 INFO L158 Benchmark]: CACSL2BoogieTranslator took 6023.99ms. Allocated memory is still 268.4MB. Free memory was 210.8MB in the beginning and 112.5MB in the end (delta: 98.2MB). Peak memory consumption was 172.2MB. Max. memory is 8.0GB. [2023-11-17 15:37:10,629 INFO L158 Benchmark]: Boogie Procedure Inliner took 195.19ms. Allocated memory was 268.4MB in the beginning and 357.6MB in the end (delta: 89.1MB). Free memory was 112.5MB in the beginning and 291.3MB in the end (delta: -178.8MB). Peak memory consumption was 6.8MB. Max. memory is 8.0GB. [2023-11-17 15:37:10,630 INFO L158 Benchmark]: Boogie Preprocessor took 119.28ms. Allocated memory is still 357.6MB. Free memory was 291.3MB in the beginning and 285.5MB in the end (delta: 5.8MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2023-11-17 15:37:10,630 INFO L158 Benchmark]: RCFGBuilder took 1355.86ms. Allocated memory is still 357.6MB. Free memory was 285.5MB in the beginning and 211.1MB in the end (delta: 74.4MB). Peak memory consumption was 74.4MB. Max. memory is 8.0GB. [2023-11-17 15:37:10,630 INFO L158 Benchmark]: TraceAbstraction took 526830.45ms. Allocated memory was 357.6MB in the beginning and 744.5MB in the end (delta: 386.9MB). Free memory was 210.5MB in the beginning and 562.5MB in the end (delta: -352.0MB). Peak memory consumption was 402.7MB. Max. memory is 8.0GB. [2023-11-17 15:37:10,631 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 185.6MB. Free memory was 141.2MB in the beginning and 141.0MB in the end (delta: 164.3kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 6023.99ms. Allocated memory is still 268.4MB. Free memory was 210.8MB in the beginning and 112.5MB in the end (delta: 98.2MB). Peak memory consumption was 172.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 195.19ms. Allocated memory was 268.4MB in the beginning and 357.6MB in the end (delta: 89.1MB). Free memory was 112.5MB in the beginning and 291.3MB in the end (delta: -178.8MB). Peak memory consumption was 6.8MB. Max. memory is 8.0GB. * Boogie Preprocessor took 119.28ms. Allocated memory is still 357.6MB. Free memory was 291.3MB in the beginning and 285.5MB in the end (delta: 5.8MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * RCFGBuilder took 1355.86ms. Allocated memory is still 357.6MB. Free memory was 285.5MB in the beginning and 211.1MB in the end (delta: 74.4MB). Peak memory consumption was 74.4MB. Max. memory is 8.0GB. * TraceAbstraction took 526830.45ms. Allocated memory was 357.6MB in the beginning and 744.5MB in the end (delta: 386.9MB). Free memory was 210.5MB in the beginning and 562.5MB in the end (delta: -352.0MB). Peak memory consumption was 402.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "b %b0, %1\n" : "+q" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "w %w0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "l %0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "q %q0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 5814]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 442.4s, 771 PlacesBefore, 35 PlacesAfterwards, 815 TransitionsBefore, 49 TransitionsAfterwards, 8222 CoEnabledTransitionPairs, 10 FixpointIterations, 635 TrivialSequentialCompositions, 122 ConcurrentSequentialCompositions, 88 TrivialYvCompositions, 20 ConcurrentYvCompositions, 30 ChoiceCompositions, 895 TotalNumberOfCompositions, 8435 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 6932, independent: 6806, independent conditional: 0, independent unconditional: 6806, dependent: 109, dependent conditional: 0, dependent unconditional: 109, unknown: 17, unknown conditional: 0, unknown unconditional: 17] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5434, independent: 5392, independent conditional: 0, independent unconditional: 5392, dependent: 40, dependent conditional: 0, dependent unconditional: 40, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5434, independent: 5392, independent conditional: 0, independent unconditional: 5392, dependent: 42, dependent conditional: 0, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 42, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 40, dependent conditional: 0, dependent unconditional: 40, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4411, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 149, dependent conditional: 0, dependent unconditional: 149, unknown: 4262, unknown conditional: 0, unknown unconditional: 4262] ], Cache Queries: [ total: 6932, independent: 1414, independent conditional: 0, independent unconditional: 1414, dependent: 69, dependent conditional: 0, dependent unconditional: 69, unknown: 5449, unknown conditional: 0, unknown unconditional: 5449] , Statistics on independence cache: Total cache size (in pairs): 67, Positive cache size: 60, Positive conditional cache size: 0, Positive unconditional cache size: 60, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7, Unknown cache size: 2, Unknown conditional cache size: 0, Unknown unconditional cache size: 2 - TimeoutResultAtElement [Line: 174]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while CegarLoopForPetriNet was analyzing trace of length 11 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-26-8-7-5-7-5-7-9-4-5-7-5-1 context. - TimeoutResultAtElement [Line: 174]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while CegarLoopForPetriNet was analyzing trace of length 11 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-26-8-7-5-7-5-7-9-4-5-7-5-1 context. - TimeoutResultAtElement [Line: 174]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while CegarLoopForPetriNet was analyzing trace of length 11 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-26-8-7-5-7-5-7-9-4-5-7-5-1 context. - TimeoutResultAtElement [Line: 7076]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while CegarLoopForPetriNet was analyzing trace of length 11 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-26-8-7-5-7-5-7-9-4-5-7-5-1 context. - TimeoutResultAtElement [Line: 7077]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while CegarLoopForPetriNet was analyzing trace of length 11 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-26-8-7-5-7-5-7-9-4-5-7-5-1 context. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 905 locations, 7 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 526.7s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 442.7s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 19 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 19 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 316 IncrementalHoareTripleChecker+Invalid, 317 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 0 mSDtfsCounter, 316 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=120occurred in iteration=4, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 44 NumberOfCodeBlocks, 44 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 38 ConstructedInterpolants, 0 QuantifiedInterpolants, 124 SizeOfPredicates, 1 NumberOfNonLiveVariables, 1125 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 6 InterpolantComputations, 4 PerfectInterpolantSequences, 2/4 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown