/usr/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-NoLbe.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.fix-rcfgbuilder-lbe-0ccecc1-m [2023-11-10 11:52:02,021 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-10 11:52:02,095 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-NoLbe.epf [2023-11-10 11:52:02,133 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-10 11:52:02,134 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-10 11:52:02,134 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-10 11:52:02,135 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-10 11:52:02,135 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-10 11:52:02,136 INFO L153 SettingsManager]: * Use SBE=true [2023-11-10 11:52:02,139 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-10 11:52:02,139 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-10 11:52:02,139 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-10 11:52:02,140 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-10 11:52:02,141 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-10 11:52:02,141 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-10 11:52:02,142 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-10 11:52:02,142 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-10 11:52:02,142 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-10 11:52:02,142 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-10 11:52:02,142 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-10 11:52:02,143 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-10 11:52:02,143 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-10 11:52:02,143 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-10 11:52:02,144 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-10 11:52:02,144 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-10 11:52:02,145 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-10 11:52:02,145 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-10 11:52:02,145 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-10 11:52:02,146 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-10 11:52:02,146 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-10 11:52:02,147 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-10 11:52:02,147 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-10 11:52:02,147 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-10 11:52:02,147 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-11-10 11:52:02,376 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-10 11:52:02,401 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-10 11:52:02,403 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-10 11:52:02,404 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-10 11:52:02,405 INFO L274 PluginConnector]: CDTParser initialized [2023-11-10 11:52:02,405 INFO L431 ainManager$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 [2023-11-10 11:52:03,547 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-10 11:52:04,048 INFO L384 CDTParser]: Found 1 translation units. [2023-11-10 11:52:04,048 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_current_pc8736x_gpio_set.i [2023-11-10 11:52:04,088 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4db37f12e/e92b76a1b7db46e6920c800fd2d18b11/FLAGacc887a7b [2023-11-10 11:52:04,104 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4db37f12e/e92b76a1b7db46e6920c800fd2d18b11 [2023-11-10 11:52:04,109 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-10 11:52:04,111 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-10 11:52:04,113 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-10 11:52:04,114 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-10 11:52:04,118 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-10 11:52:04,118 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:52:04" (1/1) ... [2023-11-10 11:52:04,119 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d456fe8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:52:04, skipping insertion in model container [2023-11-10 11:52:04,120 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:52:04" (1/1) ... [2023-11-10 11:52:04,233 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-10 11:52:04,573 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] [2023-11-10 11:52:08,493 WARN L635 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-11-10 11:52:09,333 WARN L1577 CHandler]: Possible shadowing of function iminor [2023-11-10 11:52:09,334 WARN L1577 CHandler]: Possible shadowing of function iminor [2023-11-10 11:52:09,439 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-10 11:52:09,473 INFO L202 MainTranslator]: Completed pre-run [2023-11-10 11:52:09,488 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] [2023-11-10 11:52:09,578 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] [2023-11-10 11:52:09,580 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] [2023-11-10 11:52:09,580 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] [2023-11-10 11:52:09,580 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] [2023-11-10 11:52:09,662 WARN L635 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-11-10 11:52:09,685 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] [2023-11-10 11:52:09,721 WARN L1577 CHandler]: Possible shadowing of function iminor [2023-11-10 11:52:09,721 WARN L1577 CHandler]: Possible shadowing of function iminor [2023-11-10 11:52:09,733 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-10 11:52:10,260 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-10 11:52:10,261 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-10 11:52:10,261 WARN L672 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-10 11:52:10,261 WARN L672 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-11-10 11:52:10,262 WARN L672 CHandler]: The function __builtin_constant_p is called, but not defined or handled by StandardFunctionHandler. [2023-11-10 11:52:10,262 WARN L672 CHandler]: The function ____ilog2_NaN is called, but not defined or handled by StandardFunctionHandler. [2023-11-10 11:52:10,262 WARN L672 CHandler]: The function _whoop_init is called, but not defined or handled by StandardFunctionHandler. [2023-11-10 11:52:10,269 INFO L206 MainTranslator]: Completed translation [2023-11-10 11:52:10,269 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:52:10 WrapperNode [2023-11-10 11:52:10,270 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-10 11:52:10,271 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-10 11:52:10,271 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-10 11:52:10,271 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-10 11:52:10,278 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:52:10" (1/1) ... [2023-11-10 11:52:10,370 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:52:10" (1/1) ... [2023-11-10 11:52:10,457 INFO L138 Inliner]: procedures = 1394, calls = 1531, calls flagged for inlining = 392, calls inlined = 51, statements flattened = 694 [2023-11-10 11:52:10,458 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-10 11:52:10,459 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-10 11:52:10,459 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-10 11:52:10,459 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-10 11:52:10,469 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:52:10" (1/1) ... [2023-11-10 11:52:10,469 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:52:10" (1/1) ... [2023-11-10 11:52:10,479 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:52:10" (1/1) ... [2023-11-10 11:52:10,480 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:52:10" (1/1) ... [2023-11-10 11:52:10,518 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:52:10" (1/1) ... [2023-11-10 11:52:10,524 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:52:10" (1/1) ... [2023-11-10 11:52:10,550 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:52:10" (1/1) ... [2023-11-10 11:52:10,557 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:52:10" (1/1) ... [2023-11-10 11:52:10,566 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-10 11:52:10,567 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-10 11:52:10,567 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-10 11:52:10,567 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-10 11:52:10,568 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:52:10" (1/1) ... [2023-11-10 11:52:10,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-10 11:52:10,594 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-10 11:52:10,614 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) [2023-11-10 11:52:10,627 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 [2023-11-10 11:52:10,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-10 11:52:10,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-10 11:52:10,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-10 11:52:10,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-10 11:52:10,652 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_current [2023-11-10 11:52:10,652 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_current [2023-11-10 11:52:10,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-10 11:52:10,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-10 11:52:10,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-10 11:52:10,653 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-10 11:52:10,653 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-10 11:52:10,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-10 11:52:10,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-10 11:52:10,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-10 11:52:10,654 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_set [2023-11-10 11:52:10,654 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_set [2023-11-10 11:52:10,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-10 11:52:10,656 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-10 11:52:11,107 INFO L236 CfgBuilder]: Building ICFG [2023-11-10 11:52:11,110 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-10 11:52:11,815 INFO L277 CfgBuilder]: Performing block encoding [2023-11-10 11:52:11,827 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-10 11:52:11,827 INFO L302 CfgBuilder]: Removed 25 assume(true) statements. [2023-11-10 11:52:11,833 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:52:11 BoogieIcfgContainer [2023-11-10 11:52:11,833 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-10 11:52:11,835 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-10 11:52:11,835 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-10 11:52:11,837 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-10 11:52:11,837 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 11:52:04" (1/3) ... [2023-11-10 11:52:11,838 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b6edda2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 11:52:11, skipping insertion in model container [2023-11-10 11:52:11,838 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:52:10" (2/3) ... [2023-11-10 11:52:11,838 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b6edda2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 11:52:11, skipping insertion in model container [2023-11-10 11:52:11,838 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:52:11" (3/3) ... [2023-11-10 11:52:11,839 INFO L112 eAbstractionObserver]: Analyzing ICFG char_pc8736x_gpio_pc8736x_gpio_current_pc8736x_gpio_set.i [2023-11-10 11:52:11,853 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-10 11:52:11,854 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-10 11:52:11,854 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-10 11:52:11,962 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-10 11:52:12,005 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 802 places, 847 transitions, 1708 flow [2023-11-10 11:52:12,287 INFO L124 PetriNetUnfolderBase]: 52/845 cut-off events. [2023-11-10 11:52:12,288 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-10 11:52:12,299 INFO L83 FinitePrefix]: Finished finitePrefix Result has 854 conditions, 845 events. 52/845 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1089 event pairs, 0 based on Foata normal form. 0/790 useless extension candidates. Maximal degree in co-relation 793. Up to 9 conditions per place. [2023-11-10 11:52:12,299 INFO L82 GeneralOperation]: Start removeDead. Operand has 802 places, 847 transitions, 1708 flow [2023-11-10 11:52:12,312 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 791 places, 836 transitions, 1681 flow [2023-11-10 11:52:12,327 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-10 11:52:12,336 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;@14f4a6b5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-10 11:52:12,337 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2023-11-10 11:52:12,399 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-10 11:52:12,399 INFO L124 PetriNetUnfolderBase]: 6/333 cut-off events. [2023-11-10 11:52:12,399 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-10 11:52:12,399 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-10 11:52:12,400 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-10 11:52:12,401 INFO L420 AbstractCegarLoop]: === Iteration 1 === 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)] === [2023-11-10 11:52:12,406 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-10 11:52:12,406 INFO L85 PathProgramCache]: Analyzing trace with hash 718586312, now seen corresponding path program 1 times [2023-11-10 11:52:12,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-10 11:52:12,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933530070] [2023-11-10 11:52:12,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-10 11:52:12,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-10 11:52:12,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-10 11:52:13,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-10 11:52:13,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-10 11:52:13,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933530070] [2023-11-10 11:52:13,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933530070] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-10 11:52:13,310 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-10 11:52:13,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-10 11:52:13,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059224556] [2023-11-10 11:52:13,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-10 11:52:13,319 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-10 11:52:13,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-10 11:52:13,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-10 11:52:13,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-10 11:52:13,364 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 775 out of 847 [2023-11-10 11:52:13,377 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 791 places, 836 transitions, 1681 flow. Second operand has 9 states, 9 states have (on average 777.4444444444445) internal successors, (6997), 9 states have internal predecessors, (6997), 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) [2023-11-10 11:52:13,377 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-10 11:52:13,377 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 775 of 847 [2023-11-10 11:52:13,378 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-10 11:52:13,775 INFO L124 PetriNetUnfolderBase]: 22/800 cut-off events. [2023-11-10 11:52:13,775 INFO L125 PetriNetUnfolderBase]: For 5/6 co-relation queries the response was YES. [2023-11-10 11:52:13,781 INFO L83 FinitePrefix]: Finished finitePrefix Result has 847 conditions, 800 events. 22/800 cut-off events. For 5/6 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 990 event pairs, 0 based on Foata normal form. 19/793 useless extension candidates. Maximal degree in co-relation 795. Up to 12 conditions per place. [2023-11-10 11:52:13,785 INFO L140 encePairwiseOnDemand]: 800/847 looper letters, 21 selfloop transitions, 17 changer transitions 1/800 dead transitions. [2023-11-10 11:52:13,785 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 802 places, 800 transitions, 1685 flow [2023-11-10 11:52:13,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-10 11:52:13,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2023-11-10 11:52:13,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 14018 transitions. [2023-11-10 11:52:13,825 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9194542830906467 [2023-11-10 11:52:13,827 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 14018 transitions. [2023-11-10 11:52:13,827 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 14018 transitions. [2023-11-10 11:52:13,836 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-10 11:52:13,839 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 14018 transitions. [2023-11-10 11:52:13,914 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 778.7777777777778) internal successors, (14018), 18 states have internal predecessors, (14018), 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) [2023-11-10 11:52:13,947 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 847.0) internal successors, (16093), 19 states have internal predecessors, (16093), 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) [2023-11-10 11:52:13,957 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 847.0) internal successors, (16093), 19 states have internal predecessors, (16093), 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) [2023-11-10 11:52:13,959 INFO L175 Difference]: Start difference. First operand has 791 places, 836 transitions, 1681 flow. Second operand 18 states and 14018 transitions. [2023-11-10 11:52:13,960 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 802 places, 800 transitions, 1685 flow [2023-11-10 11:52:13,969 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 799 places, 800 transitions, 1680 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-11-10 11:52:13,984 INFO L231 Difference]: Finished difference. Result has 799 places, 799 transitions, 1636 flow [2023-11-10 11:52:13,987 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=847, PETRI_DIFFERENCE_MINUEND_FLOW=1604, PETRI_DIFFERENCE_MINUEND_PLACES=782, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=800, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=783, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=1636, PETRI_PLACES=799, PETRI_TRANSITIONS=799} [2023-11-10 11:52:13,991 INFO L281 CegarLoopForPetriNet]: 791 programPoint places, 8 predicate places. [2023-11-10 11:52:13,991 INFO L495 AbstractCegarLoop]: Abstraction has has 799 places, 799 transitions, 1636 flow [2023-11-10 11:52:13,995 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 777.4444444444445) internal successors, (6997), 9 states have internal predecessors, (6997), 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) [2023-11-10 11:52:13,995 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-10 11:52:13,996 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-10 11:52:13,996 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-10 11:52:13,997 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-11-10 11:52:13,997 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-10 11:52:13,998 INFO L85 PathProgramCache]: Analyzing trace with hash 850468395, now seen corresponding path program 1 times [2023-11-10 11:52:13,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-10 11:52:13,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727903109] [2023-11-10 11:52:13,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-10 11:52:13,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-10 11:52:14,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-10 11:52:14,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-10 11:52:14,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-10 11:52:14,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727903109] [2023-11-10 11:52:14,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [727903109] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-10 11:52:14,447 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-10 11:52:14,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-10 11:52:14,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353438740] [2023-11-10 11:52:14,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-10 11:52:14,449 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-10 11:52:14,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-10 11:52:14,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-10 11:52:14,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-10 11:52:14,458 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 785 out of 847 [2023-11-10 11:52:14,474 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 799 places, 799 transitions, 1636 flow. Second operand has 5 states, 5 states have (on average 786.8) internal successors, (3934), 5 states have internal predecessors, (3934), 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) [2023-11-10 11:52:14,475 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-10 11:52:14,475 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 785 of 847 [2023-11-10 11:52:14,475 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-10 11:52:14,747 INFO L124 PetriNetUnfolderBase]: 22/806 cut-off events. [2023-11-10 11:52:14,747 INFO L125 PetriNetUnfolderBase]: For 2/3 co-relation queries the response was YES. [2023-11-10 11:52:14,750 INFO L83 FinitePrefix]: Finished finitePrefix Result has 862 conditions, 806 events. 22/806 cut-off events. For 2/3 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 989 event pairs, 0 based on Foata normal form. 0/781 useless extension candidates. Maximal degree in co-relation 470. Up to 18 conditions per place. [2023-11-10 11:52:14,752 INFO L140 encePairwiseOnDemand]: 840/847 looper letters, 27 selfloop transitions, 6 changer transitions 0/803 dead transitions. [2023-11-10 11:52:14,752 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 802 places, 803 transitions, 1710 flow [2023-11-10 11:52:14,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-10 11:52:14,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-10 11:52:14,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 3959 transitions. [2023-11-10 11:52:14,761 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9348288075560803 [2023-11-10 11:52:14,762 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 3959 transitions. [2023-11-10 11:52:14,762 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 3959 transitions. [2023-11-10 11:52:14,764 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-10 11:52:14,764 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 3959 transitions. [2023-11-10 11:52:14,770 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 791.8) internal successors, (3959), 5 states have internal predecessors, (3959), 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) [2023-11-10 11:52:14,777 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 847.0) internal successors, (5082), 6 states have internal predecessors, (5082), 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) [2023-11-10 11:52:14,778 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 847.0) internal successors, (5082), 6 states have internal predecessors, (5082), 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) [2023-11-10 11:52:14,779 INFO L175 Difference]: Start difference. First operand has 799 places, 799 transitions, 1636 flow. Second operand 5 states and 3959 transitions. [2023-11-10 11:52:14,779 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 802 places, 803 transitions, 1710 flow [2023-11-10 11:52:14,786 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 785 places, 803 transitions, 1676 flow, removed 0 selfloop flow, removed 17 redundant places. [2023-11-10 11:52:14,799 INFO L231 Difference]: Finished difference. Result has 786 places, 800 transitions, 1622 flow [2023-11-10 11:52:14,802 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=847, PETRI_DIFFERENCE_MINUEND_FLOW=1602, PETRI_DIFFERENCE_MINUEND_PLACES=781, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=799, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=793, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1622, PETRI_PLACES=786, PETRI_TRANSITIONS=800} [2023-11-10 11:52:14,807 INFO L281 CegarLoopForPetriNet]: 791 programPoint places, -5 predicate places. [2023-11-10 11:52:14,807 INFO L495 AbstractCegarLoop]: Abstraction has has 786 places, 800 transitions, 1622 flow [2023-11-10 11:52:14,808 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 786.8) internal successors, (3934), 5 states have internal predecessors, (3934), 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) [2023-11-10 11:52:14,808 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-10 11:52:14,808 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-10 11:52:14,809 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-10 11:52:14,809 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-11-10 11:52:14,809 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-10 11:52:14,809 INFO L85 PathProgramCache]: Analyzing trace with hash -13964132, now seen corresponding path program 1 times [2023-11-10 11:52:14,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-10 11:52:14,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388405753] [2023-11-10 11:52:14,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-10 11:52:14,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-10 11:52:14,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-10 11:52:15,558 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-10 11:52:15,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-10 11:52:15,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388405753] [2023-11-10 11:52:15,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1388405753] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-10 11:52:15,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-10 11:52:15,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-10 11:52:15,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221816428] [2023-11-10 11:52:15,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-10 11:52:15,560 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-10 11:52:15,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-10 11:52:15,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-10 11:52:15,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-10 11:52:15,568 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 768 out of 847 [2023-11-10 11:52:15,572 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 786 places, 800 transitions, 1622 flow. Second operand has 6 states, 6 states have (on average 772.8333333333334) internal successors, (4637), 6 states have internal predecessors, (4637), 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) [2023-11-10 11:52:15,572 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-10 11:52:15,572 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 768 of 847 [2023-11-10 11:52:15,572 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-10 11:52:15,865 INFO L124 PetriNetUnfolderBase]: 31/979 cut-off events. [2023-11-10 11:52:15,865 INFO L125 PetriNetUnfolderBase]: For 2/4 co-relation queries the response was YES. [2023-11-10 11:52:15,868 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1053 conditions, 979 events. 31/979 cut-off events. For 2/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 1730 event pairs, 2 based on Foata normal form. 0/946 useless extension candidates. Maximal degree in co-relation 827. Up to 45 conditions per place. [2023-11-10 11:52:15,871 INFO L140 encePairwiseOnDemand]: 835/847 looper letters, 40 selfloop transitions, 11 changer transitions 0/805 dead transitions. [2023-11-10 11:52:15,872 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 789 places, 805 transitions, 1734 flow [2023-11-10 11:52:15,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-10 11:52:15,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-10 11:52:15,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 4660 transitions. [2023-11-10 11:52:15,881 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9169618260527351 [2023-11-10 11:52:15,881 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 4660 transitions. [2023-11-10 11:52:15,881 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 4660 transitions. [2023-11-10 11:52:15,884 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-10 11:52:15,884 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 4660 transitions. [2023-11-10 11:52:15,891 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 776.6666666666666) internal successors, (4660), 6 states have internal predecessors, (4660), 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) [2023-11-10 11:52:15,899 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 847.0) internal successors, (5929), 7 states have internal predecessors, (5929), 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) [2023-11-10 11:52:15,900 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 847.0) internal successors, (5929), 7 states have internal predecessors, (5929), 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) [2023-11-10 11:52:15,900 INFO L175 Difference]: Start difference. First operand has 786 places, 800 transitions, 1622 flow. Second operand 6 states and 4660 transitions. [2023-11-10 11:52:15,900 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 789 places, 805 transitions, 1734 flow [2023-11-10 11:52:15,906 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 786 places, 805 transitions, 1724 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-11-10 11:52:15,915 INFO L231 Difference]: Finished difference. Result has 787 places, 802 transitions, 1653 flow [2023-11-10 11:52:15,916 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=847, PETRI_DIFFERENCE_MINUEND_FLOW=1608, PETRI_DIFFERENCE_MINUEND_PLACES=781, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=798, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=787, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1653, PETRI_PLACES=787, PETRI_TRANSITIONS=802} [2023-11-10 11:52:15,917 INFO L281 CegarLoopForPetriNet]: 791 programPoint places, -4 predicate places. [2023-11-10 11:52:15,918 INFO L495 AbstractCegarLoop]: Abstraction has has 787 places, 802 transitions, 1653 flow [2023-11-10 11:52:15,919 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 772.8333333333334) internal successors, (4637), 6 states have internal predecessors, (4637), 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) [2023-11-10 11:52:15,919 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-10 11:52:15,919 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-10 11:52:15,919 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-10 11:52:15,920 INFO L420 AbstractCegarLoop]: === Iteration 4 === 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)] === [2023-11-10 11:52:15,920 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-10 11:52:15,921 INFO L85 PathProgramCache]: Analyzing trace with hash 693222649, now seen corresponding path program 1 times [2023-11-10 11:52:15,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-10 11:52:15,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376407763] [2023-11-10 11:52:15,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-10 11:52:15,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-10 11:52:16,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-10 11:52:16,553 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-10 11:52:16,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-10 11:52:16,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376407763] [2023-11-10 11:52:16,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1376407763] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-10 11:52:16,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [76280174] [2023-11-10 11:52:16,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-10 11:52:16,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-10 11:52:16,554 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-10 11:52:16,561 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) [2023-11-10 11:52:16,587 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-10 11:52:16,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-10 11:52:16,981 INFO L262 TraceCheckSpWp]: Trace formula consists of 980 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-10 11:52:16,998 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-10 11:52:17,092 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2023-11-10 11:52:17,127 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-10 11:52:17,127 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-10 11:52:17,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [76280174] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-10 11:52:17,128 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-10 11:52:17,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2023-11-10 11:52:17,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953777341] [2023-11-10 11:52:17,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-10 11:52:17,129 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-10 11:52:17,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-10 11:52:17,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-10 11:52:17,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2023-11-10 11:52:17,136 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 751 out of 847 [2023-11-10 11:52:17,140 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 787 places, 802 transitions, 1653 flow. Second operand has 7 states, 7 states have (on average 756.2857142857143) internal successors, (5294), 7 states have internal predecessors, (5294), 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) [2023-11-10 11:52:17,140 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-10 11:52:17,140 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 751 of 847 [2023-11-10 11:52:17,140 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-10 11:52:17,996 INFO L124 PetriNetUnfolderBase]: 577/2954 cut-off events. [2023-11-10 11:52:17,996 INFO L125 PetriNetUnfolderBase]: For 52/52 co-relation queries the response was YES. [2023-11-10 11:52:18,004 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4037 conditions, 2954 events. 577/2954 cut-off events. For 52/52 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 19060 event pairs, 170 based on Foata normal form. 0/2771 useless extension candidates. Maximal degree in co-relation 3811. Up to 442 conditions per place. [2023-11-10 11:52:18,017 INFO L140 encePairwiseOnDemand]: 835/847 looper letters, 116 selfloop transitions, 21 changer transitions 18/890 dead transitions. [2023-11-10 11:52:18,017 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 797 places, 890 transitions, 2148 flow [2023-11-10 11:52:18,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-10 11:52:18,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-10 11:52:18,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 8414 transitions. [2023-11-10 11:52:18,097 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9030803906836965 [2023-11-10 11:52:18,097 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 8414 transitions. [2023-11-10 11:52:18,098 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 8414 transitions. [2023-11-10 11:52:18,102 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-10 11:52:18,102 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 8414 transitions. [2023-11-10 11:52:18,115 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 764.9090909090909) internal successors, (8414), 11 states have internal predecessors, (8414), 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) [2023-11-10 11:52:18,129 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 847.0) internal successors, (10164), 12 states have internal predecessors, (10164), 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) [2023-11-10 11:52:18,131 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 847.0) internal successors, (10164), 12 states have internal predecessors, (10164), 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) [2023-11-10 11:52:18,131 INFO L175 Difference]: Start difference. First operand has 787 places, 802 transitions, 1653 flow. Second operand 11 states and 8414 transitions. [2023-11-10 11:52:18,131 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 797 places, 890 transitions, 2148 flow [2023-11-10 11:52:18,137 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 793 places, 890 transitions, 2133 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-10 11:52:18,146 INFO L231 Difference]: Finished difference. Result has 798 places, 822 transitions, 1761 flow [2023-11-10 11:52:18,147 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=847, PETRI_DIFFERENCE_MINUEND_FLOW=1638, PETRI_DIFFERENCE_MINUEND_PLACES=783, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=802, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=791, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1761, PETRI_PLACES=798, PETRI_TRANSITIONS=822} [2023-11-10 11:52:18,148 INFO L281 CegarLoopForPetriNet]: 791 programPoint places, 7 predicate places. [2023-11-10 11:52:18,148 INFO L495 AbstractCegarLoop]: Abstraction has has 798 places, 822 transitions, 1761 flow [2023-11-10 11:52:18,149 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 756.2857142857143) internal successors, (5294), 7 states have internal predecessors, (5294), 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) [2023-11-10 11:52:18,149 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-10 11:52:18,149 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-10 11:52:18,159 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-10 11:52:18,356 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-10 11:52:18,357 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)] === [2023-11-10 11:52:18,357 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-10 11:52:18,357 INFO L85 PathProgramCache]: Analyzing trace with hash -466678665, now seen corresponding path program 1 times [2023-11-10 11:52:18,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-10 11:52:18,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161372502] [2023-11-10 11:52:18,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-10 11:52:18,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-10 11:52:18,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-10 11:52:18,881 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-10 11:52:18,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-10 11:52:18,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161372502] [2023-11-10 11:52:18,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1161372502] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-10 11:52:18,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1551559518] [2023-11-10 11:52:18,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-10 11:52:18,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-10 11:52:18,882 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-10 11:52:18,883 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) [2023-11-10 11:52:18,885 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-10 11:52:19,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-10 11:52:19,503 INFO L262 TraceCheckSpWp]: Trace formula consists of 1057 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-10 11:52:19,509 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-10 11:52:19,573 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-10 11:52:19,573 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-10 11:52:19,664 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-10 11:52:19,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1551559518] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-10 11:52:19,664 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-10 11:52:19,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 7] total 12 [2023-11-10 11:52:19,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721183347] [2023-11-10 11:52:19,665 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-10 11:52:19,666 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-10 11:52:19,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-10 11:52:19,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-10 11:52:19,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2023-11-10 11:52:19,674 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 785 out of 847 [2023-11-10 11:52:19,681 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 798 places, 822 transitions, 1761 flow. Second operand has 12 states, 12 states have (on average 787.1666666666666) internal successors, (9446), 12 states have internal predecessors, (9446), 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) [2023-11-10 11:52:19,682 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-10 11:52:19,682 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 785 of 847 [2023-11-10 11:52:19,682 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-10 11:52:20,119 INFO L124 PetriNetUnfolderBase]: 39/1162 cut-off events. [2023-11-10 11:52:20,119 INFO L125 PetriNetUnfolderBase]: For 24/25 co-relation queries the response was YES. [2023-11-10 11:52:20,123 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1315 conditions, 1162 events. 39/1162 cut-off events. For 24/25 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 3202 event pairs, 1 based on Foata normal form. 3/1123 useless extension candidates. Maximal degree in co-relation 1275. Up to 16 conditions per place. [2023-11-10 11:52:20,126 INFO L140 encePairwiseOnDemand]: 829/847 looper letters, 25 selfloop transitions, 23 changer transitions 0/839 dead transitions. [2023-11-10 11:52:20,126 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 811 places, 839 transitions, 1895 flow [2023-11-10 11:52:20,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-10 11:52:20,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-11-10 11:52:20,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 11042 transitions. [2023-11-10 11:52:20,145 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9311856974194637 [2023-11-10 11:52:20,145 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 11042 transitions. [2023-11-10 11:52:20,145 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 11042 transitions. [2023-11-10 11:52:20,149 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-10 11:52:20,149 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 11042 transitions. [2023-11-10 11:52:20,163 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 788.7142857142857) internal successors, (11042), 14 states have internal predecessors, (11042), 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) [2023-11-10 11:52:20,180 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 847.0) internal successors, (12705), 15 states have internal predecessors, (12705), 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) [2023-11-10 11:52:20,182 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 847.0) internal successors, (12705), 15 states have internal predecessors, (12705), 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) [2023-11-10 11:52:20,183 INFO L175 Difference]: Start difference. First operand has 798 places, 822 transitions, 1761 flow. Second operand 14 states and 11042 transitions. [2023-11-10 11:52:20,183 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 811 places, 839 transitions, 1895 flow [2023-11-10 11:52:20,189 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 811 places, 839 transitions, 1895 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-10 11:52:20,198 INFO L231 Difference]: Finished difference. Result has 814 places, 829 transitions, 1850 flow [2023-11-10 11:52:20,199 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=847, PETRI_DIFFERENCE_MINUEND_FLOW=1761, PETRI_DIFFERENCE_MINUEND_PLACES=798, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=822, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=803, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=1850, PETRI_PLACES=814, PETRI_TRANSITIONS=829} [2023-11-10 11:52:20,200 INFO L281 CegarLoopForPetriNet]: 791 programPoint places, 23 predicate places. [2023-11-10 11:52:20,200 INFO L495 AbstractCegarLoop]: Abstraction has has 814 places, 829 transitions, 1850 flow [2023-11-10 11:52:20,202 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 787.1666666666666) internal successors, (9446), 12 states have internal predecessors, (9446), 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) [2023-11-10 11:52:20,202 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-10 11:52:20,203 INFO L208 CegarLoopForPetriNet]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-10 11:52:20,212 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-10 11:52:20,411 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-10 11:52:20,411 INFO L420 AbstractCegarLoop]: === Iteration 6 === 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)] === [2023-11-10 11:52:20,412 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-10 11:52:20,412 INFO L85 PathProgramCache]: Analyzing trace with hash 1178958052, now seen corresponding path program 1 times [2023-11-10 11:52:20,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-10 11:52:20,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937874609] [2023-11-10 11:52:20,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-10 11:52:20,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-10 11:52:20,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-10 11:52:21,245 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-10 11:52:21,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-10 11:52:21,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937874609] [2023-11-10 11:52:21,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [937874609] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-10 11:52:21,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2117107156] [2023-11-10 11:52:21,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-10 11:52:21,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-10 11:52:21,247 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-10 11:52:21,248 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) [2023-11-10 11:52:21,282 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-10 11:52:21,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-10 11:52:21,884 INFO L262 TraceCheckSpWp]: Trace formula consists of 1123 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-10 11:52:21,891 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-10 11:52:22,033 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-10 11:52:22,033 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-10 11:52:22,220 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-10 11:52:22,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2117107156] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-10 11:52:22,220 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-10 11:52:22,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 20 [2023-11-10 11:52:22,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033594007] [2023-11-10 11:52:22,221 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-10 11:52:22,222 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-10 11:52:22,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-10 11:52:22,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-10 11:52:22,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=277, Unknown=0, NotChecked=0, Total=380 [2023-11-10 11:52:22,236 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 785 out of 847 [2023-11-10 11:52:22,248 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 814 places, 829 transitions, 1850 flow. Second operand has 20 states, 20 states have (on average 787.9) internal successors, (15758), 20 states have internal predecessors, (15758), 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) [2023-11-10 11:52:22,248 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-10 11:52:22,248 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 785 of 847 [2023-11-10 11:52:22,248 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-10 11:52:23,618 INFO L124 PetriNetUnfolderBase]: 33/1135 cut-off events. [2023-11-10 11:52:23,618 INFO L125 PetriNetUnfolderBase]: For 109/110 co-relation queries the response was YES. [2023-11-10 11:52:23,622 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1398 conditions, 1135 events. 33/1135 cut-off events. For 109/110 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 2699 event pairs, 1 based on Foata normal form. 10/1110 useless extension candidates. Maximal degree in co-relation 1354. Up to 15 conditions per place. [2023-11-10 11:52:23,625 INFO L140 encePairwiseOnDemand]: 831/847 looper letters, 56 selfloop transitions, 27 changer transitions 0/872 dead transitions. [2023-11-10 11:52:23,625 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 834 places, 872 transitions, 2178 flow [2023-11-10 11:52:23,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-10 11:52:23,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2023-11-10 11:52:23,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 16578 transitions. [2023-11-10 11:52:23,698 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9320290099510878 [2023-11-10 11:52:23,698 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 16578 transitions. [2023-11-10 11:52:23,698 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 16578 transitions. [2023-11-10 11:52:23,703 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-10 11:52:23,703 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 16578 transitions. [2023-11-10 11:52:23,726 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 789.4285714285714) internal successors, (16578), 21 states have internal predecessors, (16578), 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) [2023-11-10 11:52:23,749 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 847.0) internal successors, (18634), 22 states have internal predecessors, (18634), 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) [2023-11-10 11:52:23,754 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 847.0) internal successors, (18634), 22 states have internal predecessors, (18634), 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) [2023-11-10 11:52:23,754 INFO L175 Difference]: Start difference. First operand has 814 places, 829 transitions, 1850 flow. Second operand 21 states and 16578 transitions. [2023-11-10 11:52:23,754 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 834 places, 872 transitions, 2178 flow [2023-11-10 11:52:23,764 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 826 places, 872 transitions, 2114 flow, removed 12 selfloop flow, removed 8 redundant places. [2023-11-10 11:52:23,776 INFO L231 Difference]: Finished difference. Result has 837 places, 837 transitions, 1953 flow [2023-11-10 11:52:23,777 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=847, PETRI_DIFFERENCE_MINUEND_FLOW=1796, PETRI_DIFFERENCE_MINUEND_PLACES=806, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=826, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=808, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=1953, PETRI_PLACES=837, PETRI_TRANSITIONS=837} [2023-11-10 11:52:23,781 INFO L281 CegarLoopForPetriNet]: 791 programPoint places, 46 predicate places. [2023-11-10 11:52:23,781 INFO L495 AbstractCegarLoop]: Abstraction has has 837 places, 837 transitions, 1953 flow [2023-11-10 11:52:23,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 787.9) internal successors, (15758), 20 states have internal predecessors, (15758), 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) [2023-11-10 11:52:23,784 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-10 11:52:23,785 INFO L208 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-10 11:52:23,799 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-10 11:52:23,994 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-10 11:52:23,995 INFO L420 AbstractCegarLoop]: === Iteration 7 === 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)] === [2023-11-10 11:52:23,995 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-10 11:52:23,996 INFO L85 PathProgramCache]: Analyzing trace with hash 752118910, now seen corresponding path program 2 times [2023-11-10 11:52:23,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-10 11:52:23,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586182650] [2023-11-10 11:52:23,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-10 11:52:23,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-10 11:52:24,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-10 11:52:25,293 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 0 proven. 370 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-10 11:52:25,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-10 11:52:25,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586182650] [2023-11-10 11:52:25,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586182650] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-10 11:52:25,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1709654558] [2023-11-10 11:52:25,294 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-10 11:52:25,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-10 11:52:25,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-10 11:52:25,295 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-10 11:52:25,298 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-10 11:52:25,849 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-10 11:52:25,849 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-10 11:52:25,856 INFO L262 TraceCheckSpWp]: Trace formula consists of 1035 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-10 11:52:25,862 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-10 11:52:25,943 INFO L351 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 [2023-11-10 11:52:25,969 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2023-11-10 11:52:26,035 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2023-11-10 11:52:26,035 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-10 11:52:26,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1709654558] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-10 11:52:26,036 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-10 11:52:26,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [15] total 22 [2023-11-10 11:52:26,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329750945] [2023-11-10 11:52:26,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-10 11:52:26,037 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-10 11:52:26,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-10 11:52:26,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-10 11:52:26,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=398, Unknown=0, NotChecked=0, Total=462 [2023-11-10 11:52:26,044 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 742 out of 847 [2023-11-10 11:52:26,049 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 837 places, 837 transitions, 1953 flow. Second operand has 9 states, 9 states have (on average 747.4444444444445) internal successors, (6727), 9 states have internal predecessors, (6727), 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) [2023-11-10 11:52:26,049 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-10 11:52:26,049 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 742 of 847 [2023-11-10 11:52:26,049 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-10 11:52:26,878 INFO L124 PetriNetUnfolderBase]: 587/3043 cut-off events. [2023-11-10 11:52:26,878 INFO L125 PetriNetUnfolderBase]: For 519/582 co-relation queries the response was YES. [2023-11-10 11:52:26,892 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4955 conditions, 3043 events. 587/3043 cut-off events. For 519/582 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 18182 event pairs, 227 based on Foata normal form. 63/2979 useless extension candidates. Maximal degree in co-relation 4832. Up to 379 conditions per place. [2023-11-10 11:52:26,899 INFO L140 encePairwiseOnDemand]: 832/847 looper letters, 82 selfloop transitions, 17 changer transitions 44/894 dead transitions. [2023-11-10 11:52:26,899 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 848 places, 894 transitions, 2413 flow [2023-11-10 11:52:26,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-10 11:52:26,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-11-10 11:52:26,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 9030 transitions. [2023-11-10 11:52:26,911 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8884297520661157 [2023-11-10 11:52:26,911 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 9030 transitions. [2023-11-10 11:52:26,911 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 9030 transitions. [2023-11-10 11:52:26,913 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-10 11:52:26,914 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 9030 transitions. [2023-11-10 11:52:26,925 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 752.5) internal successors, (9030), 12 states have internal predecessors, (9030), 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) [2023-11-10 11:52:26,935 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 847.0) internal successors, (11011), 13 states have internal predecessors, (11011), 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) [2023-11-10 11:52:26,937 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 847.0) internal successors, (11011), 13 states have internal predecessors, (11011), 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) [2023-11-10 11:52:26,937 INFO L175 Difference]: Start difference. First operand has 837 places, 837 transitions, 1953 flow. Second operand 12 states and 9030 transitions. [2023-11-10 11:52:26,937 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 848 places, 894 transitions, 2413 flow [2023-11-10 11:52:26,945 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 841 places, 894 transitions, 2393 flow, removed 0 selfloop flow, removed 7 redundant places. [2023-11-10 11:52:26,955 INFO L231 Difference]: Finished difference. Result has 848 places, 835 transitions, 1993 flow [2023-11-10 11:52:26,956 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=847, PETRI_DIFFERENCE_MINUEND_FLOW=1933, PETRI_DIFFERENCE_MINUEND_PLACES=830, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=837, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=820, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1993, PETRI_PLACES=848, PETRI_TRANSITIONS=835} [2023-11-10 11:52:26,957 INFO L281 CegarLoopForPetriNet]: 791 programPoint places, 57 predicate places. [2023-11-10 11:52:26,957 INFO L495 AbstractCegarLoop]: Abstraction has has 848 places, 835 transitions, 1993 flow [2023-11-10 11:52:26,959 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 747.4444444444445) internal successors, (6727), 9 states have internal predecessors, (6727), 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) [2023-11-10 11:52:26,959 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-10 11:52:26,959 INFO L208 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-10 11:52:26,971 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-10 11:52:27,168 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-10 11:52:27,169 INFO L420 AbstractCegarLoop]: === Iteration 8 === 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)] === [2023-11-10 11:52:27,169 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-10 11:52:27,169 INFO L85 PathProgramCache]: Analyzing trace with hash -1397185223, now seen corresponding path program 1 times [2023-11-10 11:52:27,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-10 11:52:27,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605681518] [2023-11-10 11:52:27,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-10 11:52:27,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-10 11:52:27,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-10 11:52:28,444 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 0 proven. 370 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-10 11:52:28,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-10 11:52:28,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605681518] [2023-11-10 11:52:28,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605681518] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-10 11:52:28,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [200721668] [2023-11-10 11:52:28,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-10 11:52:28,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-10 11:52:28,446 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-10 11:52:28,447 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-10 11:52:28,449 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-10 11:52:29,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-10 11:52:29,430 INFO L262 TraceCheckSpWp]: Trace formula consists of 1273 conjuncts, 84 conjunts are in the unsatisfiable core [2023-11-10 11:52:29,445 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-10 11:52:29,674 INFO L322 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-10 11:52:29,675 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 13 [2023-11-10 11:52:29,736 INFO L322 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-10 11:52:29,736 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 17 [2023-11-10 11:52:29,815 INFO L322 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-10 11:52:29,815 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 17 [2023-11-10 11:52:29,868 INFO L322 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-10 11:52:29,868 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 17 [2023-11-10 11:52:29,915 INFO L322 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-10 11:52:29,915 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 17 [2023-11-10 11:52:29,957 INFO L322 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-10 11:52:29,957 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 17 [2023-11-10 11:52:30,000 INFO L322 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-10 11:52:30,001 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 17 [2023-11-10 11:52:30,040 INFO L322 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2023-11-10 11:52:30,040 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2023-11-10 11:52:30,297 INFO L322 Elim1Store]: treesize reduction 36, result has 59.1 percent of original size [2023-11-10 11:52:30,298 INFO L351 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 6 case distinctions, treesize of input 49 treesize of output 84 [2023-11-10 11:52:30,484 INFO L322 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-10 11:52:30,484 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 17 [2023-11-10 11:52:30,518 INFO L322 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2023-11-10 11:52:30,519 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2023-11-10 11:52:30,694 INFO L322 Elim1Store]: treesize reduction 36, result has 59.1 percent of original size [2023-11-10 11:52:30,694 INFO L351 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 6 case distinctions, treesize of input 49 treesize of output 84 [2023-11-10 11:52:30,995 INFO L322 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-10 11:52:30,996 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 17 [2023-11-10 11:52:31,031 INFO L322 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-10 11:52:31,031 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 17 [2023-11-10 11:52:31,065 INFO L322 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-10 11:52:31,066 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 17 [2023-11-10 11:52:31,100 INFO L322 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-10 11:52:31,100 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 17 [2023-11-10 11:52:31,132 INFO L322 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-10 11:52:31,132 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 17 [2023-11-10 11:52:31,165 INFO L322 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-10 11:52:31,166 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 17 [2023-11-10 11:52:31,198 INFO L322 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-10 11:52:31,198 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 17 [2023-11-10 11:52:31,231 INFO L322 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-10 11:52:31,231 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 17 [2023-11-10 11:52:31,279 INFO L322 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-10 11:52:31,279 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 17 [2023-11-10 11:52:31,467 INFO L322 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2023-11-10 11:52:31,467 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 23 treesize of output 20 [2023-11-10 11:52:31,615 INFO L322 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2023-11-10 11:52:31,615 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 23 treesize of output 28 [2023-11-10 11:52:32,718 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-11-10 11:52:32,796 INFO L322 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2023-11-10 11:52:32,796 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 23 treesize of output 28 [2023-11-10 11:52:32,821 INFO L322 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-11-10 11:52:32,821 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2023-11-10 11:52:33,072 INFO L351 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 [2023-11-10 11:52:33,156 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-11-10 11:52:33,196 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2023-11-10 11:52:33,277 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2023-11-10 11:52:33,278 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-10 11:52:33,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [200721668] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-10 11:52:33,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-10 11:52:33,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [15] total 29 [2023-11-10 11:52:33,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925044579] [2023-11-10 11:52:33,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-10 11:52:33,279 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-11-10 11:52:33,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-10 11:52:33,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-11-10 11:52:33,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=728, Unknown=0, NotChecked=0, Total=812 [2023-11-10 11:52:33,287 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 687 out of 847 [2023-11-10 11:52:33,293 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 848 places, 835 transitions, 1993 flow. Second operand has 16 states, 16 states have (on average 692.9375) internal successors, (11087), 16 states have internal predecessors, (11087), 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) [2023-11-10 11:52:33,293 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-10 11:52:33,294 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 687 of 847 [2023-11-10 11:52:33,294 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-10 11:52:34,660 INFO L124 PetriNetUnfolderBase]: 445/2585 cut-off events. [2023-11-10 11:52:34,660 INFO L125 PetriNetUnfolderBase]: For 788/841 co-relation queries the response was YES. [2023-11-10 11:52:34,672 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4579 conditions, 2585 events. 445/2585 cut-off events. For 788/841 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 13726 event pairs, 150 based on Foata normal form. 60/2546 useless extension candidates. Maximal degree in co-relation 4534. Up to 304 conditions per place. [2023-11-10 11:52:34,679 INFO L140 encePairwiseOnDemand]: 826/847 looper letters, 114 selfloop transitions, 22 changer transitions 39/858 dead transitions. [2023-11-10 11:52:34,679 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 853 places, 858 transitions, 2405 flow [2023-11-10 11:52:34,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-10 11:52:34,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-11-10 11:52:34,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 9760 transitions. [2023-11-10 11:52:34,693 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8230730308652386 [2023-11-10 11:52:34,693 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 9760 transitions. [2023-11-10 11:52:34,693 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 9760 transitions. [2023-11-10 11:52:34,696 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-10 11:52:34,696 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 9760 transitions. [2023-11-10 11:52:34,706 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 697.1428571428571) internal successors, (9760), 14 states have internal predecessors, (9760), 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) [2023-11-10 11:52:34,717 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 847.0) internal successors, (12705), 15 states have internal predecessors, (12705), 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) [2023-11-10 11:52:34,718 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 847.0) internal successors, (12705), 15 states have internal predecessors, (12705), 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) [2023-11-10 11:52:34,718 INFO L175 Difference]: Start difference. First operand has 848 places, 835 transitions, 1993 flow. Second operand 14 states and 9760 transitions. [2023-11-10 11:52:34,718 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 853 places, 858 transitions, 2405 flow [2023-11-10 11:52:34,728 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 845 places, 858 transitions, 2377 flow, removed 6 selfloop flow, removed 8 redundant places. [2023-11-10 11:52:34,736 INFO L231 Difference]: Finished difference. Result has 845 places, 807 transitions, 1915 flow [2023-11-10 11:52:34,738 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=847, PETRI_DIFFERENCE_MINUEND_FLOW=1957, PETRI_DIFFERENCE_MINUEND_PLACES=832, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=833, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=811, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=1915, PETRI_PLACES=845, PETRI_TRANSITIONS=807} [2023-11-10 11:52:34,740 INFO L281 CegarLoopForPetriNet]: 791 programPoint places, 54 predicate places. [2023-11-10 11:52:34,740 INFO L495 AbstractCegarLoop]: Abstraction has has 845 places, 807 transitions, 1915 flow [2023-11-10 11:52:34,742 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 692.9375) internal successors, (11087), 16 states have internal predecessors, (11087), 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) [2023-11-10 11:52:34,742 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-10 11:52:34,742 INFO L208 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-10 11:52:34,757 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-10 11:52:34,957 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-10 11:52:34,957 INFO L420 AbstractCegarLoop]: === Iteration 9 === 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)] === [2023-11-10 11:52:34,958 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-10 11:52:34,958 INFO L85 PathProgramCache]: Analyzing trace with hash -833621086, now seen corresponding path program 1 times [2023-11-10 11:52:34,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-10 11:52:34,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94497826] [2023-11-10 11:52:34,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-10 11:52:34,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-10 11:52:35,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-10 11:52:36,056 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 0 proven. 370 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-10 11:52:36,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-10 11:52:36,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94497826] [2023-11-10 11:52:36,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [94497826] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-10 11:52:36,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [545699590] [2023-11-10 11:52:36,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-10 11:52:36,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-10 11:52:36,057 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-10 11:52:36,058 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-10 11:52:36,061 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-10 11:52:38,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-10 11:52:38,333 INFO L262 TraceCheckSpWp]: Trace formula consists of 1306 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-10 11:52:38,338 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-10 11:52:38,737 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 0 proven. 370 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-10 11:52:38,738 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-10 11:52:39,249 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 0 proven. 370 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-10 11:52:39,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [545699590] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-10 11:52:39,250 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-10 11:52:39,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 39 [2023-11-10 11:52:39,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586390831] [2023-11-10 11:52:39,250 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-10 11:52:39,251 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2023-11-10 11:52:39,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-10 11:52:39,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2023-11-10 11:52:39,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=383, Invalid=1099, Unknown=0, NotChecked=0, Total=1482 [2023-11-10 11:52:39,269 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 785 out of 847 [2023-11-10 11:52:39,285 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 845 places, 807 transitions, 1915 flow. Second operand has 39 states, 39 states have (on average 788.5641025641025) internal successors, (30754), 39 states have internal predecessors, (30754), 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) [2023-11-10 11:52:39,286 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-10 11:52:39,286 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 785 of 847 [2023-11-10 11:52:39,286 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-10 11:52:51,960 WARN L293 SmtUtils]: Spent 5.27s on a formula simplification. DAG size of input: 51 DAG size of output: 62 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-10 11:52:55,773 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-10 11:52:57,890 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-10 11:52:59,871 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-10 11:53:02,780 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-10 11:53:14,688 INFO L124 PetriNetUnfolderBase]: 23/1096 cut-off events. [2023-11-10 11:53:14,689 INFO L125 PetriNetUnfolderBase]: For 791/794 co-relation queries the response was YES. [2023-11-10 11:53:14,693 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1622 conditions, 1096 events. 23/1096 cut-off events. For 791/794 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 1258 event pairs, 0 based on Foata normal form. 18/1095 useless extension candidates. Maximal degree in co-relation 1594. Up to 27 conditions per place. [2023-11-10 11:53:14,698 INFO L140 encePairwiseOnDemand]: 831/847 looper letters, 110 selfloop transitions, 45 changer transitions 4/914 dead transitions. [2023-11-10 11:53:14,698 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 869 places, 914 transitions, 2736 flow [2023-11-10 11:53:14,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-11-10 11:53:14,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2023-11-10 11:53:14,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 30788 transitions. [2023-11-10 11:53:14,730 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9320376593103866 [2023-11-10 11:53:14,731 INFO L72 ComplementDD]: Start complementDD. Operand 39 states and 30788 transitions. [2023-11-10 11:53:14,731 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 30788 transitions. [2023-11-10 11:53:14,741 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-10 11:53:14,742 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 39 states and 30788 transitions. [2023-11-10 11:53:14,775 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 40 states, 39 states have (on average 789.4358974358975) internal successors, (30788), 39 states have internal predecessors, (30788), 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) [2023-11-10 11:53:14,808 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 40 states, 40 states have (on average 847.0) internal successors, (33880), 40 states have internal predecessors, (33880), 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) [2023-11-10 11:53:14,814 INFO L81 ComplementDD]: Finished complementDD. Result has 40 states, 40 states have (on average 847.0) internal successors, (33880), 40 states have internal predecessors, (33880), 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) [2023-11-10 11:53:14,814 INFO L175 Difference]: Start difference. First operand has 845 places, 807 transitions, 1915 flow. Second operand 39 states and 30788 transitions. [2023-11-10 11:53:14,815 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 869 places, 914 transitions, 2736 flow [2023-11-10 11:53:14,823 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 847 places, 914 transitions, 2642 flow, removed 9 selfloop flow, removed 22 redundant places. [2023-11-10 11:53:14,834 INFO L231 Difference]: Finished difference. Result has 867 places, 823 transitions, 2164 flow [2023-11-10 11:53:14,835 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=847, PETRI_DIFFERENCE_MINUEND_FLOW=1821, PETRI_DIFFERENCE_MINUEND_PLACES=809, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=807, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=780, PETRI_DIFFERENCE_SUBTRAHEND_STATES=39, PETRI_FLOW=2164, PETRI_PLACES=867, PETRI_TRANSITIONS=823} [2023-11-10 11:53:14,837 INFO L281 CegarLoopForPetriNet]: 791 programPoint places, 76 predicate places. [2023-11-10 11:53:14,837 INFO L495 AbstractCegarLoop]: Abstraction has has 867 places, 823 transitions, 2164 flow [2023-11-10 11:53:14,842 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 788.5641025641025) internal successors, (30754), 39 states have internal predecessors, (30754), 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) [2023-11-10 11:53:14,842 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-10 11:53:14,842 INFO L208 CegarLoopForPetriNet]: trace histogram [22, 22, 22, 22, 22, 22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-10 11:53:14,859 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-10 11:53:15,056 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-10 11:53:15,057 INFO L420 AbstractCegarLoop]: === Iteration 10 === 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)] === [2023-11-10 11:53:15,057 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-10 11:53:15,057 INFO L85 PathProgramCache]: Analyzing trace with hash 1331612686, now seen corresponding path program 2 times [2023-11-10 11:53:15,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-10 11:53:15,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756499439] [2023-11-10 11:53:15,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-10 11:53:15,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-10 11:53:15,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-10 11:53:17,533 INFO L134 CoverageAnalysis]: Checked inductivity of 1870 backedges. 0 proven. 1870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-10 11:53:17,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-10 11:53:17,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756499439] [2023-11-10 11:53:17,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [756499439] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-10 11:53:17,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1173660524] [2023-11-10 11:53:17,534 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-10 11:53:17,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-10 11:53:17,534 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-10 11:53:17,536 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-10 11:53:17,538 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-10 11:53:23,248 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-10 11:53:23,249 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-10 11:53:23,263 INFO L262 TraceCheckSpWp]: Trace formula consists of 1570 conjuncts, 52 conjunts are in the unsatisfiable core [2023-11-10 11:53:23,270 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-10 11:53:23,747 INFO L134 CoverageAnalysis]: Checked inductivity of 1870 backedges. 0 proven. 1870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-10 11:53:23,748 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-10 11:53:25,725 INFO L134 CoverageAnalysis]: Checked inductivity of 1870 backedges. 0 proven. 1870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-10 11:53:25,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1173660524] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-10 11:53:25,726 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-10 11:53:25,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27, 28] total 54 [2023-11-10 11:53:25,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661072050] [2023-11-10 11:53:25,726 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-10 11:53:25,728 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2023-11-10 11:53:25,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-10 11:53:25,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2023-11-10 11:53:25,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=755, Invalid=2107, Unknown=0, NotChecked=0, Total=2862 [2023-11-10 11:53:25,753 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 785 out of 847 [2023-11-10 11:53:25,778 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 867 places, 823 transitions, 2164 flow. Second operand has 54 states, 54 states have (on average 788.6111111111111) internal successors, (42585), 54 states have internal predecessors, (42585), 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) [2023-11-10 11:53:25,779 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-10 11:53:25,779 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 785 of 847 [2023-11-10 11:53:25,779 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-10 11:55:17,521 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse1 (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 9) 4294967296)) (.cse3 (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 14) 4294967296)) (.cse8 (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 5) 4294967296)) (.cse9 (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 4) 4294967296)) (.cse2 (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 10) 4294967296)) (.cse13 (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 11) 4294967296)) (.cse6 (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 8) 4294967296)) (.cse10 (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 6) 4294967296)) (.cse14 (mod (+ 7 |c_ULTIMATE.start_external_alloc_~i~0#1|) 4294967296)) (.cse15 (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 21) 4294967296)) (.cse19 (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 20) 4294967296)) (.cse11 (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 3) 4294967296)) (.cse20 (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 2) 4294967296)) (.cse5 (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 1) 4294967296)) (.cse17 (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 18) 4294967296)) (.cse18 (mod (+ 19 |c_ULTIMATE.start_external_alloc_~i~0#1|) 4294967296)) (.cse4 (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 15) 4294967296)) (.cse7 (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 13) 4294967296)) (.cse12 (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 12) 4294967296)) (.cse21 (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 16) 4294967296)) (.cse16 (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 17) 4294967296)) (.cse0 (mod |c_ULTIMATE.start_external_alloc_~size#1| 4294967296))) (and (or (< .cse0 (+ .cse1 1)) (< .cse2 .cse0)) (or (< .cse0 (+ .cse3 1)) (< .cse4 .cse0)) (or (< .cse5 .cse0) (< .cse0 (+ (mod |c_ULTIMATE.start_external_alloc_~i~0#1| 4294967296) 1))) (= 109 |c_ULTIMATE.start_external_alloc_~size#1|) (or (< .cse0 (+ .cse6 1)) (< .cse1 .cse0)) (or (< .cse3 .cse0) (< .cse0 (+ .cse7 1))) (or (< .cse8 .cse0) (< .cse0 (+ .cse9 1))) (or (< .cse0 (+ .cse8 1)) (< .cse10 .cse0)) (or (< .cse0 (+ .cse11 1)) (< .cse9 .cse0)) (or (< .cse12 .cse0) (< .cse0 (+ .cse13 1))) (or (< .cse0 (+ .cse2 1)) (< .cse13 .cse0)) (or (< .cse6 .cse0) (< .cse0 (+ .cse14 1))) (or (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 22) 4294967296) .cse0) (< .cse0 (+ .cse15 1))) (or (< .cse0 (+ .cse10 1)) (< .cse14 .cse0)) (or (< .cse0 (+ .cse16 1)) (< .cse17 .cse0)) (or (< .cse0 (+ 1 .cse18)) (< .cse19 .cse0)) (or (< .cse15 .cse0) (< .cse0 (+ .cse19 1))) (or (< .cse11 .cse0) (< .cse0 (+ .cse20 1))) (or (< .cse20 .cse0) (< .cse0 (+ .cse5 1))) (or (< .cse0 (+ .cse17 1)) (< .cse18 .cse0)) (or (< .cse0 (+ .cse4 1)) (< .cse21 .cse0)) (= 109 |c_ULTIMATE.start_external_alloc_#in~size#1|) (or (< .cse7 .cse0) (< .cse0 (+ .cse12 1))) (or (< .cse0 (+ .cse21 1)) (< .cse16 .cse0)))) is different from false [2023-11-10 11:55:42,167 INFO L124 PetriNetUnfolderBase]: 34/1401 cut-off events. [2023-11-10 11:55:42,167 INFO L125 PetriNetUnfolderBase]: For 7135/7135 co-relation queries the response was YES. [2023-11-10 11:55:42,170 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2639 conditions, 1401 events. 34/1401 cut-off events. For 7135/7135 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 1503 event pairs, 0 based on Foata normal form. 25/1407 useless extension candidates. Maximal degree in co-relation 2566. Up to 51 conditions per place. [2023-11-10 11:55:42,174 INFO L140 encePairwiseOnDemand]: 831/847 looper letters, 195 selfloop transitions, 125 changer transitions 0/1075 dead transitions. [2023-11-10 11:55:42,174 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 970 places, 1075 transitions, 4536 flow [2023-11-10 11:55:42,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2023-11-10 11:55:42,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2023-11-10 11:55:42,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 85125 transitions. [2023-11-10 11:55:42,244 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.930571953299226 [2023-11-10 11:55:42,244 INFO L72 ComplementDD]: Start complementDD. Operand 108 states and 85125 transitions. [2023-11-10 11:55:42,244 INFO L73 IsDeterministic]: Start isDeterministic. Operand 108 states and 85125 transitions. [2023-11-10 11:55:42,270 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-10 11:55:42,270 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 108 states and 85125 transitions. [2023-11-10 11:55:42,353 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 109 states, 108 states have (on average 788.1944444444445) internal successors, (85125), 108 states have internal predecessors, (85125), 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) [2023-11-10 11:55:42,449 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 109 states, 109 states have (on average 847.0) internal successors, (92323), 109 states have internal predecessors, (92323), 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) [2023-11-10 11:55:42,466 INFO L81 ComplementDD]: Finished complementDD. Result has 109 states, 109 states have (on average 847.0) internal successors, (92323), 109 states have internal predecessors, (92323), 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) [2023-11-10 11:55:42,466 INFO L175 Difference]: Start difference. First operand has 867 places, 823 transitions, 2164 flow. Second operand 108 states and 85125 transitions. [2023-11-10 11:55:42,466 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 970 places, 1075 transitions, 4536 flow [2023-11-10 11:55:42,487 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 954 places, 1075 transitions, 4498 flow, removed 0 selfloop flow, removed 16 redundant places. [2023-11-10 11:55:42,500 INFO L231 Difference]: Finished difference. Result has 955 places, 900 transitions, 3344 flow [2023-11-10 11:55:42,502 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=847, PETRI_DIFFERENCE_MINUEND_FLOW=2126, PETRI_DIFFERENCE_MINUEND_PLACES=847, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=823, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=50, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=772, PETRI_DIFFERENCE_SUBTRAHEND_STATES=108, PETRI_FLOW=3344, PETRI_PLACES=955, PETRI_TRANSITIONS=900} [2023-11-10 11:55:42,502 INFO L281 CegarLoopForPetriNet]: 791 programPoint places, 164 predicate places. [2023-11-10 11:55:42,502 INFO L495 AbstractCegarLoop]: Abstraction has has 955 places, 900 transitions, 3344 flow [2023-11-10 11:55:42,508 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 788.6111111111111) internal successors, (42585), 54 states have internal predecessors, (42585), 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) [2023-11-10 11:55:42,509 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-10 11:55:42,509 INFO L208 CegarLoopForPetriNet]: trace histogram [46, 46, 46, 46, 46, 46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-10 11:55:42,533 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-10 11:55:42,730 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-10 11:55:42,731 INFO L420 AbstractCegarLoop]: === Iteration 11 === 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)] === [2023-11-10 11:55:42,732 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-10 11:55:42,732 INFO L85 PathProgramCache]: Analyzing trace with hash -1030138004, now seen corresponding path program 3 times [2023-11-10 11:55:42,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-10 11:55:42,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428581280] [2023-11-10 11:55:42,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-10 11:55:42,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-10 11:55:43,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-10 11:55:48,153 INFO L134 CoverageAnalysis]: Checked inductivity of 8326 backedges. 0 proven. 8326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-10 11:55:48,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-10 11:55:48,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428581280] [2023-11-10 11:55:48,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1428581280] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-10 11:55:48,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1598409093] [2023-11-10 11:55:48,154 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-10 11:55:48,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-10 11:55:48,154 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-10 11:55:48,155 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-10 11:55:48,157 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process Received shutdown request... [2023-11-10 12:01:10,160 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-11-10 12:01:10,168 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 [2023-11-10 12:01:11,186 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 [2023-11-10 12:01:11,361 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forcibly destroying the process [2023-11-10 12:01:11,373 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 137 [2023-11-10 12:01:11,374 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-10 12:01:11,374 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-10 12:01:11,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51] total 51 [2023-11-10 12:01:11,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660499950] [2023-11-10 12:01:11,375 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-10 12:01:11,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2023-11-10 12:01:11,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-10 12:01:11,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2023-11-10 12:01:11,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=198, Invalid=2352, Unknown=0, NotChecked=0, Total=2550 [2023-11-10 12:01:11,393 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 785 out of 847 [2023-11-10 12:01:11,413 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 955 places, 900 transitions, 3344 flow. Second operand has 51 states, 51 states have (on average 788.8235294117648) internal successors, (40230), 51 states have internal predecessors, (40230), 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) [2023-11-10 12:01:11,413 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-10 12:01:11,413 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 785 of 847 [2023-11-10 12:01:11,413 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-10 12:01:11,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-10 12:01:11,416 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 7 remaining) [2023-11-10 12:01:11,416 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-10 12:01:11,416 WARN L619 AbstractCegarLoop]: Verification canceled: while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (51states, 785/847 universal loopers) in iteration 11,while PetriNetUnfolder was constructing finite prefix that currently has 42 conditions, 2 events (0/1 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 0 event pairs, 0 based on Foata normal form. 0/2 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place.). [2023-11-10 12:01:11,419 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 7 remaining) [2023-11-10 12:01:11,420 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 7 remaining) [2023-11-10 12:01:11,420 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 7 remaining) [2023-11-10 12:01:11,422 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 7 remaining) [2023-11-10 12:01:11,422 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 7 remaining) [2023-11-10 12:01:11,422 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 7 remaining) [2023-11-10 12:01:11,423 INFO L445 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1, 1, 1, 1] [2023-11-10 12:01:11,429 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-10 12:01:11,429 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-10 12:01:11,436 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 12:01:11 BasicIcfg [2023-11-10 12:01:11,437 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-10 12:01:11,437 INFO L158 Benchmark]: Toolchain (without parser) took 547326.78ms. Allocated memory was 299.9MB in the beginning and 979.4MB in the end (delta: 679.5MB). Free memory was 241.6MB in the beginning and 415.1MB in the end (delta: -173.5MB). Peak memory consumption was 507.0MB. Max. memory is 8.0GB. [2023-11-10 12:01:11,437 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 200.3MB. Free memory is still 153.7MB. There was no memory consumed. Max. memory is 8.0GB. [2023-11-10 12:01:11,438 INFO L158 Benchmark]: CACSL2BoogieTranslator took 6156.65ms. Allocated memory was 299.9MB in the beginning and 458.2MB in the end (delta: 158.3MB). Free memory was 241.6MB in the beginning and 326.0MB in the end (delta: -84.4MB). Peak memory consumption was 198.8MB. Max. memory is 8.0GB. [2023-11-10 12:01:11,438 INFO L158 Benchmark]: Boogie Procedure Inliner took 187.26ms. Allocated memory is still 458.2MB. Free memory was 326.0MB in the beginning and 314.5MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2023-11-10 12:01:11,438 INFO L158 Benchmark]: Boogie Preprocessor took 107.34ms. Allocated memory is still 458.2MB. Free memory was 314.5MB in the beginning and 308.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2023-11-10 12:01:11,438 INFO L158 Benchmark]: RCFGBuilder took 1266.15ms. Allocated memory is still 458.2MB. Free memory was 308.2MB in the beginning and 336.0MB in the end (delta: -27.8MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2023-11-10 12:01:11,438 INFO L158 Benchmark]: TraceAbstraction took 539601.94ms. Allocated memory was 458.2MB in the beginning and 979.4MB in the end (delta: 521.1MB). Free memory was 335.5MB in the beginning and 415.1MB in the end (delta: -79.6MB). Peak memory consumption was 442.1MB. Max. memory is 8.0GB. [2023-11-10 12:01:11,440 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 200.3MB. Free memory is still 153.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 6156.65ms. Allocated memory was 299.9MB in the beginning and 458.2MB in the end (delta: 158.3MB). Free memory was 241.6MB in the beginning and 326.0MB in the end (delta: -84.4MB). Peak memory consumption was 198.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 187.26ms. Allocated memory is still 458.2MB. Free memory was 326.0MB in the beginning and 314.5MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 107.34ms. Allocated memory is still 458.2MB. Free memory was 314.5MB in the beginning and 308.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * RCFGBuilder took 1266.15ms. Allocated memory is still 458.2MB. Free memory was 308.2MB in the beginning and 336.0MB in the end (delta: -27.8MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * TraceAbstraction took 539601.94ms. Allocated memory was 458.2MB in the beginning and 979.4MB in the end (delta: 521.1MB). Free memory was 335.5MB in the beginning and 415.1MB in the end (delta: -79.6MB). Peak memory consumption was 442.1MB. 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: - TimeoutResultAtElement [Line: 174]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (51states, 785/847 universal loopers) in iteration 11,while PetriNetUnfolder was constructing finite prefix that currently has 42 conditions, 2 events (0/1 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 0 event pairs, 0 based on Foata normal form. 0/2 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place.). - TimeoutResultAtElement [Line: 174]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (51states, 785/847 universal loopers) in iteration 11,while PetriNetUnfolder was constructing finite prefix that currently has 42 conditions, 2 events (0/1 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 0 event pairs, 0 based on Foata normal form. 0/2 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place.). - TimeoutResultAtElement [Line: 7068]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (51states, 785/847 universal loopers) in iteration 11,while PetriNetUnfolder was constructing finite prefix that currently has 42 conditions, 2 events (0/1 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 0 event pairs, 0 based on Foata normal form. 0/2 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place.). - TimeoutResultAtElement [Line: 7069]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (51states, 785/847 universal loopers) in iteration 11,while PetriNetUnfolder was constructing finite prefix that currently has 42 conditions, 2 events (0/1 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 0 event pairs, 0 based on Foata normal form. 0/2 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place.). - TimeoutResultAtElement [Line: 174]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (51states, 785/847 universal loopers) in iteration 11,while PetriNetUnfolder was constructing finite prefix that currently has 42 conditions, 2 events (0/1 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 0 event pairs, 0 based on Foata normal form. 0/2 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place.). - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 945 locations, 7 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.1s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 539.4s, OverallIterations: 11, TraceHistogramMax: 46, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 179.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.3s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 2347 SdHoareTripleChecker+Valid, 30.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2347 mSDsluCounter, 1666 SdHoareTripleChecker+Invalid, 29.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 53 IncrementalHoareTripleChecker+Unchecked, 1355 mSDsCounter, 285 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8596 IncrementalHoareTripleChecker+Invalid, 8935 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 285 mSolverCounterUnsat, 311 mSDtfsCounter, 8596 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4639 GetRequests, 4195 SyntacticMatches, 1 SemanticMatches, 443 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 9460 ImplicationChecksByTransitivity, 148.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3344occurred in iteration=10, InterpolantAutomatonStates: 248, 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: 0.6s SsaConstructionTime, 10.7s SatisfiabilityAnalysisTime, 21.1s InterpolantComputationTime, 6791 NumberOfCodeBlocks, 6711 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 8371 ConstructedInterpolants, 6 QuantifiedInterpolants, 28062 SizeOfPredicates, 60 NumberOfNonLiveVariables, 8344 ConjunctsInSsa, 219 ConjunctsInUnsatCore, 22 InterpolantComputations, 6 PerfectInterpolantSequences, 742/16688 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