/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-SemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_get_pc8736x_gpio_set.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.datarace-free-lbe-02cf818-m [2023-11-17 15:30:07,415 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-17 15:30:07,503 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-SemanticLbe.epf [2023-11-17 15:30:07,533 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-17 15:30:07,534 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-17 15:30:07,534 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-17 15:30:07,535 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-17 15:30:07,536 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-17 15:30:07,536 INFO L153 SettingsManager]: * Use SBE=true [2023-11-17 15:30:07,540 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-17 15:30:07,540 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-17 15:30:07,541 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-17 15:30:07,541 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-17 15:30:07,542 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-17 15:30:07,542 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-17 15:30:07,542 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-17 15:30:07,543 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-17 15:30:07,543 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-17 15:30:07,543 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-17 15:30:07,543 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-17 15:30:07,543 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-17 15:30:07,544 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-17 15:30:07,544 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-17 15:30:07,545 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-17 15:30:07,545 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-17 15:30:07,545 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 15:30:07,545 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-17 15:30:07,546 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-17 15:30:07,546 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-17 15:30:07,546 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-17 15:30:07,547 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-17 15:30:07,547 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-17 15:30:07,547 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-11-17 15:30:07,744 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-17 15:30:07,767 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-17 15:30:07,769 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-17 15:30:07,770 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-17 15:30:07,770 INFO L274 PluginConnector]: CDTParser initialized [2023-11-17 15:30:07,771 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_get_pc8736x_gpio_set.i [2023-11-17 15:30:08,884 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-17 15:30:09,363 INFO L384 CDTParser]: Found 1 translation units. [2023-11-17 15:30:09,364 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_get_pc8736x_gpio_set.i [2023-11-17 15:30:09,405 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36646af34/1374c25f214d4733b6a3abc58f3cbb4d/FLAG603104109 [2023-11-17 15:30:09,423 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36646af34/1374c25f214d4733b6a3abc58f3cbb4d [2023-11-17 15:30:09,425 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-17 15:30:09,426 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-17 15:30:09,429 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-17 15:30:09,429 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-17 15:30:09,433 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-17 15:30:09,434 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 03:30:09" (1/1) ... [2023-11-17 15:30:09,434 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f3af6da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:30:09, skipping insertion in model container [2023-11-17 15:30:09,435 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 03:30:09" (1/1) ... [2023-11-17 15:30:09,521 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-17 15:30:09,838 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_get_pc8736x_gpio_set.i[5469,5482] [2023-11-17 15:30:12,569 WARN L635 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-11-17 15:30:13,058 WARN L1588 CHandler]: Possible shadowing of function iminor [2023-11-17 15:30:13,058 WARN L1588 CHandler]: Possible shadowing of function iminor [2023-11-17 15:30:13,114 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-17 15:30:13,134 INFO L202 MainTranslator]: Completed pre-run [2023-11-17 15:30:13,156 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_get_pc8736x_gpio_set.i[5469,5482] [2023-11-17 15:30:13,240 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "b %b0, %1\n" : "+q" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] [2023-11-17 15:30:13,241 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "w %w0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] [2023-11-17 15:30:13,242 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "l %0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] [2023-11-17 15:30:13,242 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "q %q0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] [2023-11-17 15:30:13,318 WARN L635 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-11-17 15:30:13,336 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] [2023-11-17 15:30:13,369 WARN L1588 CHandler]: Possible shadowing of function iminor [2023-11-17 15:30:13,370 WARN L1588 CHandler]: Possible shadowing of function iminor [2023-11-17 15:30:13,382 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-17 15:30:13,908 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 15:30:13,909 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 15:30:13,909 WARN L675 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 15:30:13,909 WARN L675 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 15:30:13,909 WARN L675 CHandler]: The function __builtin_constant_p is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 15:30:13,909 WARN L675 CHandler]: The function ____ilog2_NaN is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 15:30:13,909 WARN L675 CHandler]: The function _whoop_init is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 15:30:13,916 INFO L206 MainTranslator]: Completed translation [2023-11-17 15:30:13,916 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:30:13 WrapperNode [2023-11-17 15:30:13,916 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-17 15:30:13,917 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-17 15:30:13,918 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-17 15:30:13,918 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-17 15:30:13,924 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:30:13" (1/1) ... [2023-11-17 15:30:14,028 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:30:13" (1/1) ... [2023-11-17 15:30:14,107 INFO L138 Inliner]: procedures = 1394, calls = 1531, calls flagged for inlining = 392, calls inlined = 51, statements flattened = 698 [2023-11-17 15:30:14,107 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-17 15:30:14,108 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-17 15:30:14,108 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-17 15:30:14,108 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-17 15:30:14,123 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:30:13" (1/1) ... [2023-11-17 15:30:14,124 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:30:13" (1/1) ... [2023-11-17 15:30:14,139 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:30:13" (1/1) ... [2023-11-17 15:30:14,139 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:30:13" (1/1) ... [2023-11-17 15:30:14,182 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:30:13" (1/1) ... [2023-11-17 15:30:14,188 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:30:13" (1/1) ... [2023-11-17 15:30:14,193 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:30:13" (1/1) ... [2023-11-17 15:30:14,221 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:30:13" (1/1) ... [2023-11-17 15:30:14,229 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-17 15:30:14,230 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-17 15:30:14,230 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-17 15:30:14,230 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-17 15:30:14,231 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:30:13" (1/1) ... [2023-11-17 15:30:14,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 15:30:14,255 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 15:30:14,266 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-17 15:30:14,289 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-17 15:30:14,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-17 15:30:14,302 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-17 15:30:14,302 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-17 15:30:14,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-17 15:30:14,302 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-17 15:30:14,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-17 15:30:14,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-17 15:30:14,303 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_get [2023-11-17 15:30:14,303 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_get [2023-11-17 15:30:14,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-17 15:30:14,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-17 15:30:14,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-17 15:30:14,303 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-17 15:30:14,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-17 15:30:14,304 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_set [2023-11-17 15:30:14,304 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_set [2023-11-17 15:30:14,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-17 15:30:14,306 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-17 15:30:14,738 INFO L239 CfgBuilder]: Building ICFG [2023-11-17 15:30:14,740 INFO L265 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-17 15:30:15,443 INFO L280 CfgBuilder]: Performing block encoding [2023-11-17 15:30:15,470 INFO L302 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-17 15:30:15,470 INFO L307 CfgBuilder]: Removed 27 assume(true) statements. [2023-11-17 15:30:15,474 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 03:30:15 BoogieIcfgContainer [2023-11-17 15:30:15,474 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-17 15:30:15,476 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-17 15:30:15,477 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-17 15:30:15,479 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-17 15:30:15,480 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 03:30:09" (1/3) ... [2023-11-17 15:30:15,480 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@277f5dec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 03:30:15, skipping insertion in model container [2023-11-17 15:30:15,481 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:30:13" (2/3) ... [2023-11-17 15:30:15,481 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@277f5dec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 03:30:15, skipping insertion in model container [2023-11-17 15:30:15,481 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 03:30:15" (3/3) ... [2023-11-17 15:30:15,483 INFO L112 eAbstractionObserver]: Analyzing ICFG char_pc8736x_gpio_pc8736x_gpio_get_pc8736x_gpio_set.i [2023-11-17 15:30:15,499 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-17 15:30:15,499 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-17 15:30:15,499 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-17 15:30:15,604 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-17 15:30:15,643 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 805 places, 851 transitions, 1716 flow [2023-11-17 15:30:15,893 INFO L124 PetriNetUnfolderBase]: 53/849 cut-off events. [2023-11-17 15:30:15,893 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-17 15:30:15,901 INFO L83 FinitePrefix]: Finished finitePrefix Result has 858 conditions, 849 events. 53/849 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1123 event pairs, 0 based on Foata normal form. 0/794 useless extension candidates. Maximal degree in co-relation 793. Up to 9 conditions per place. [2023-11-17 15:30:15,902 INFO L82 GeneralOperation]: Start removeDead. Operand has 805 places, 851 transitions, 1716 flow [2023-11-17 15:30:15,916 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 794 places, 840 transitions, 1689 flow [2023-11-17 15:30:15,922 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-11-17 15:30:15,936 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 794 places, 840 transitions, 1689 flow [2023-11-17 15:30:15,939 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 794 places, 840 transitions, 1689 flow [2023-11-17 15:30:15,940 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 794 places, 840 transitions, 1689 flow [2023-11-17 15:30:16,110 INFO L124 PetriNetUnfolderBase]: 53/840 cut-off events. [2023-11-17 15:30:16,111 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-17 15:30:16,116 INFO L83 FinitePrefix]: Finished finitePrefix Result has 848 conditions, 840 events. 53/840 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1063 event pairs, 0 based on Foata normal form. 0/785 useless extension candidates. Maximal degree in co-relation 793. Up to 9 conditions per place. [2023-11-17 15:30:16,123 INFO L119 LiptonReduction]: Number of co-enabled transitions 12948 [2023-11-17 15:31:09,509 WARN L293 SmtUtils]: Spent 6.26s on a formula simplification that was a NOOP. DAG size: 279 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-17 15:31:15,343 WARN L293 SmtUtils]: Spent 5.83s on a formula simplification that was a NOOP. DAG size: 271 (called from [L 302] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-17 15:31:24,811 WARN L293 SmtUtils]: Spent 9.47s on a formula simplification that was a NOOP. DAG size: 282 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-17 15:31:31,086 WARN L293 SmtUtils]: Spent 6.27s on a formula simplification that was a NOOP. DAG size: 274 (called from [L 302] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-17 15:31:40,835 WARN L293 SmtUtils]: Spent 5.22s on a formula simplification that was a NOOP. DAG size: 411 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-17 15:34:16,192 WARN L293 SmtUtils]: Spent 2.51m on a formula simplification. DAG size of input: 661 DAG size of output: 659 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-17 15:35:18,498 WARN L293 SmtUtils]: Spent 1.04m on a formula simplification that was a NOOP. DAG size: 573 (called from [L 302] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-17 15:37:46,912 WARN L293 SmtUtils]: Spent 2.47m on a formula simplification. DAG size of input: 664 DAG size of output: 662 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-17 15:38:50,728 WARN L293 SmtUtils]: Spent 1.06m on a formula simplification that was a NOOP. DAG size: 576 (called from [L 302] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-17 15:38:53,816 INFO L134 LiptonReduction]: Checked pairs total: 9912 [2023-11-17 15:38:53,816 INFO L136 LiptonReduction]: Total number of compositions: 915 [2023-11-17 15:38:53,828 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-17 15:38:53,832 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;@47f12aac, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-17 15:38:53,833 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2023-11-17 15:38:53,840 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-17 15:38:53,840 INFO L124 PetriNetUnfolderBase]: 2/6 cut-off events. [2023-11-17 15:38:53,840 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-17 15:38:53,840 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-17 15:38:53,841 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-11-17 15:38:53,841 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-11-17 15:38:53,845 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 15:38:53,845 INFO L85 PathProgramCache]: Analyzing trace with hash 3044103, now seen corresponding path program 1 times [2023-11-17 15:38:53,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 15:38:53,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27833508] [2023-11-17 15:38:53,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 15:38:53,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 15:38:54,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 15:38:54,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 15:38:54,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 15:38:54,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27833508] [2023-11-17 15:38:54,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [27833508] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 15:38:54,246 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 15:38:54,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-17 15:38:54,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109846029] [2023-11-17 15:38:54,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 15:38:54,259 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-17 15:38:54,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 15:38:54,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-17 15:38:54,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-17 15:38:54,287 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 815 out of 1766 [2023-11-17 15:38:54,293 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 49 transitions, 107 flow. Second operand has 2 states, 2 states have (on average 816.5) internal successors, (1633), 2 states have internal predecessors, (1633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-17 15:38:54,294 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-17 15:38:54,294 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 815 of 1766 [2023-11-17 15:38:54,295 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-17 15:38:54,576 INFO L124 PetriNetUnfolderBase]: 70/144 cut-off events. [2023-11-17 15:38:54,576 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2023-11-17 15:38:54,576 INFO L83 FinitePrefix]: Finished finitePrefix Result has 311 conditions, 144 events. 70/144 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 392 event pairs, 60 based on Foata normal form. 0/126 useless extension candidates. Maximal degree in co-relation 236. Up to 145 conditions per place. [2023-11-17 15:38:54,578 INFO L140 encePairwiseOnDemand]: 1753/1766 looper letters, 33 selfloop transitions, 0 changer transitions 3/36 dead transitions. [2023-11-17 15:38:54,578 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 36 transitions, 153 flow [2023-11-17 15:38:54,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 15:38:54,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-17 15:38:54,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 1679 transitions. [2023-11-17 15:38:54,597 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4753680634201585 [2023-11-17 15:38:54,597 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 1679 transitions. [2023-11-17 15:38:54,598 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 1679 transitions. [2023-11-17 15:38:54,600 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-17 15:38:54,602 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 1679 transitions. [2023-11-17 15:38:54,609 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 839.5) internal successors, (1679), 2 states have internal predecessors, (1679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-17 15:38:54,619 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 1766.0) internal successors, (5298), 3 states have internal predecessors, (5298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-17 15:38:54,621 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 1766.0) internal successors, (5298), 3 states have internal predecessors, (5298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-17 15:38:54,623 INFO L175 Difference]: Start difference. First operand has 34 places, 49 transitions, 107 flow. Second operand 2 states and 1679 transitions. [2023-11-17 15:38:54,624 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 36 transitions, 153 flow [2023-11-17 15:38:54,626 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 36 transitions, 148 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-11-17 15:38:54,627 INFO L231 Difference]: Finished difference. Result has 31 places, 33 transitions, 69 flow [2023-11-17 15:38:54,629 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1766, PETRI_DIFFERENCE_MINUEND_FLOW=76, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=69, PETRI_PLACES=31, PETRI_TRANSITIONS=33} [2023-11-17 15:38:54,633 INFO L281 CegarLoopForPetriNet]: 34 programPoint places, -3 predicate places. [2023-11-17 15:38:54,634 INFO L495 AbstractCegarLoop]: Abstraction has has 31 places, 33 transitions, 69 flow [2023-11-17 15:38:54,635 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 816.5) internal successors, (1633), 2 states have internal predecessors, (1633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-17 15:38:54,653 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-17 15:38:54,653 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-17 15:38:54,654 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-17 15:38:54,654 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-11-17 15:38:54,655 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 15:38:54,655 INFO L85 PathProgramCache]: Analyzing trace with hash 935274452, now seen corresponding path program 1 times [2023-11-17 15:38:54,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 15:38:54,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067898488] [2023-11-17 15:38:54,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 15:38:54,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 15:38:54,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 15:38:55,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 15:38:55,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 15:38:55,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067898488] [2023-11-17 15:38:55,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067898488] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 15:38:55,214 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 15:38:55,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-17 15:38:55,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926971467] [2023-11-17 15:38:55,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 15:38:55,215 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-17 15:38:55,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 15:38:55,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-17 15:38:55,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-17 15:38:55,220 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 793 out of 1766 [2023-11-17 15:38:55,223 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 33 transitions, 69 flow. Second operand has 3 states, 3 states have (on average 795.6666666666666) internal successors, (2387), 3 states have internal predecessors, (2387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-17 15:38:55,223 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-17 15:38:55,223 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 793 of 1766 [2023-11-17 15:38:55,223 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-17 15:38:55,521 INFO L124 PetriNetUnfolderBase]: 57/118 cut-off events. [2023-11-17 15:38:55,521 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-17 15:38:55,521 INFO L83 FinitePrefix]: Finished finitePrefix Result has 252 conditions, 118 events. 57/118 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 307 event pairs, 47 based on Foata normal form. 0/108 useless extension candidates. Maximal degree in co-relation 249. Up to 118 conditions per place. [2023-11-17 15:38:55,522 INFO L140 encePairwiseOnDemand]: 1762/1766 looper letters, 32 selfloop transitions, 2 changer transitions 0/34 dead transitions. [2023-11-17 15:38:55,522 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 30 places, 34 transitions, 139 flow [2023-11-17 15:38:55,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 15:38:55,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-17 15:38:55,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2415 transitions. [2023-11-17 15:38:55,529 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.45583238958097394 [2023-11-17 15:38:55,529 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2415 transitions. [2023-11-17 15:38:55,529 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2415 transitions. [2023-11-17 15:38:55,530 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-17 15:38:55,531 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2415 transitions. [2023-11-17 15:38:55,535 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 805.0) internal successors, (2415), 3 states have internal predecessors, (2415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-17 15:38:55,545 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1766.0) internal successors, (7064), 4 states have internal predecessors, (7064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-17 15:38:55,548 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1766.0) internal successors, (7064), 4 states have internal predecessors, (7064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-17 15:38:55,548 INFO L175 Difference]: Start difference. First operand has 31 places, 33 transitions, 69 flow. Second operand 3 states and 2415 transitions. [2023-11-17 15:38:55,548 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 30 places, 34 transitions, 139 flow [2023-11-17 15:38:55,549 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 34 transitions, 139 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-17 15:38:55,550 INFO L231 Difference]: Finished difference. Result has 31 places, 34 transitions, 83 flow [2023-11-17 15:38:55,550 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1766, PETRI_DIFFERENCE_MINUEND_FLOW=69, PETRI_DIFFERENCE_MINUEND_PLACES=28, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=83, PETRI_PLACES=31, PETRI_TRANSITIONS=34} [2023-11-17 15:38:55,551 INFO L281 CegarLoopForPetriNet]: 34 programPoint places, -3 predicate places. [2023-11-17 15:38:55,551 INFO L495 AbstractCegarLoop]: Abstraction has has 31 places, 34 transitions, 83 flow [2023-11-17 15:38:55,554 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 795.6666666666666) internal successors, (2387), 3 states have internal predecessors, (2387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-17 15:38:55,554 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-17 15:38:55,554 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-17 15:38:55,554 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-17 15:38:55,554 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-11-17 15:38:55,555 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 15:38:55,555 INFO L85 PathProgramCache]: Analyzing trace with hash 1789089581, now seen corresponding path program 1 times [2023-11-17 15:38:55,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 15:38:55,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052693927] [2023-11-17 15:38:55,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 15:38:55,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 15:38:55,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 15:38:56,101 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 15:38:56,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 15:38:56,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052693927] [2023-11-17 15:38:56,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1052693927] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 15:38:56,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2127981763] [2023-11-17 15:38:56,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 15:38:56,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 15:38:56,103 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 15:38:56,111 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-17 15:38:56,140 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-17 15:38:56,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 15:38:56,972 INFO L262 TraceCheckSpWp]: Trace formula consists of 560 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-17 15:38:56,977 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 15:38:57,044 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-11-17 15:38:57,056 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-17 15:38:57,056 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-17 15:38:57,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2127981763] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 15:38:57,056 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-17 15:38:57,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 6 [2023-11-17 15:38:57,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649234207] [2023-11-17 15:38:57,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 15:38:57,057 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-17 15:38:57,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 15:38:57,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-17 15:38:57,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-17 15:38:57,061 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 761 out of 1766 [2023-11-17 15:38:57,064 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 34 transitions, 83 flow. Second operand has 4 states, 4 states have (on average 763.25) internal successors, (3053), 4 states have internal predecessors, (3053), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-17 15:38:57,064 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-17 15:38:57,064 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 761 of 1766 [2023-11-17 15:38:57,064 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-17 15:38:57,578 INFO L124 PetriNetUnfolderBase]: 57/124 cut-off events. [2023-11-17 15:38:57,578 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-17 15:38:57,579 INFO L83 FinitePrefix]: Finished finitePrefix Result has 274 conditions, 124 events. 57/124 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 345 event pairs, 30 based on Foata normal form. 8/122 useless extension candidates. Maximal degree in co-relation 269. Up to 68 conditions per place. [2023-11-17 15:38:57,579 INFO L140 encePairwiseOnDemand]: 1762/1766 looper letters, 31 selfloop transitions, 3 changer transitions 10/44 dead transitions. [2023-11-17 15:38:57,579 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 44 transitions, 195 flow [2023-11-17 15:38:57,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 15:38:57,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-17 15:38:57,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 3088 transitions. [2023-11-17 15:38:57,587 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43714609286523215 [2023-11-17 15:38:57,587 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 3088 transitions. [2023-11-17 15:38:57,588 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 3088 transitions. [2023-11-17 15:38:57,589 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-17 15:38:57,589 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 3088 transitions. [2023-11-17 15:38:57,595 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 772.0) internal successors, (3088), 4 states have internal predecessors, (3088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-17 15:38:57,605 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 1766.0) internal successors, (8830), 5 states have internal predecessors, (8830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-17 15:38:57,609 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 1766.0) internal successors, (8830), 5 states have internal predecessors, (8830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-17 15:38:57,609 INFO L175 Difference]: Start difference. First operand has 31 places, 34 transitions, 83 flow. Second operand 4 states and 3088 transitions. [2023-11-17 15:38:57,609 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 44 transitions, 195 flow [2023-11-17 15:38:57,610 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 44 transitions, 191 flow, removed 1 selfloop flow, removed 1 redundant places. [2023-11-17 15:38:57,611 INFO L231 Difference]: Finished difference. Result has 34 places, 34 transitions, 89 flow [2023-11-17 15:38:57,611 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1766, PETRI_DIFFERENCE_MINUEND_FLOW=79, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=89, PETRI_PLACES=34, PETRI_TRANSITIONS=34} [2023-11-17 15:38:57,612 INFO L281 CegarLoopForPetriNet]: 34 programPoint places, 0 predicate places. [2023-11-17 15:38:57,612 INFO L495 AbstractCegarLoop]: Abstraction has has 34 places, 34 transitions, 89 flow [2023-11-17 15:38:57,614 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 763.25) internal successors, (3053), 4 states have internal predecessors, (3053), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-17 15:38:57,614 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-17 15:38:57,614 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-17 15:38:57,624 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-17 15:38:57,823 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 15:38:57,824 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-11-17 15:38:57,824 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 15:38:57,825 INFO L85 PathProgramCache]: Analyzing trace with hash -372798672, now seen corresponding path program 1 times [2023-11-17 15:38:57,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 15:38:57,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661887695] [2023-11-17 15:38:57,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 15:38:57,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 15:38:58,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 15:38:58,477 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 15:38:58,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 15:38:58,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661887695] [2023-11-17 15:38:58,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [661887695] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 15:38:58,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [506292063] [2023-11-17 15:38:58,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 15:38:58,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 15:38:58,480 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 15:38:58,482 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-17 15:38:58,486 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-17 15:38:58,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 15:38:58,995 INFO L262 TraceCheckSpWp]: Trace formula consists of 576 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-17 15:38:58,998 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 15:38:59,042 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 15:38:59,042 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 15:38:59,209 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 15:38:59,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [506292063] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 15:38:59,210 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 15:38:59,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2023-11-17 15:38:59,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488959845] [2023-11-17 15:38:59,210 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 15:38:59,210 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-17 15:38:59,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 15:38:59,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-17 15:38:59,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-17 15:38:59,216 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 789 out of 1766 [2023-11-17 15:38:59,221 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 34 transitions, 89 flow. Second operand has 8 states, 8 states have (on average 791.0) internal successors, (6328), 8 states have internal predecessors, (6328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-17 15:38:59,221 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-17 15:38:59,221 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 789 of 1766 [2023-11-17 15:38:59,221 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-17 15:39:00,148 INFO L124 PetriNetUnfolderBase]: 20/57 cut-off events. [2023-11-17 15:39:00,149 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2023-11-17 15:39:00,149 INFO L83 FinitePrefix]: Finished finitePrefix Result has 143 conditions, 57 events. 20/57 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 90 event pairs, 10 based on Foata normal form. 0/47 useless extension candidates. Maximal degree in co-relation 137. Up to 52 conditions per place. [2023-11-17 15:39:00,150 INFO L140 encePairwiseOnDemand]: 1758/1766 looper letters, 31 selfloop transitions, 8 changer transitions 0/39 dead transitions. [2023-11-17 15:39:00,150 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 39 transitions, 183 flow [2023-11-17 15:39:00,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 15:39:00,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-17 15:39:00,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 4783 transitions. [2023-11-17 15:39:00,161 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.45139675349188374 [2023-11-17 15:39:00,161 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 4783 transitions. [2023-11-17 15:39:00,161 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 4783 transitions. [2023-11-17 15:39:00,164 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-17 15:39:00,164 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 4783 transitions. [2023-11-17 15:39:00,172 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 797.1666666666666) internal successors, (4783), 6 states have internal predecessors, (4783), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-17 15:39:00,185 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1766.0) internal successors, (12362), 7 states have internal predecessors, (12362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-17 15:39:00,189 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1766.0) internal successors, (12362), 7 states have internal predecessors, (12362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-17 15:39:00,189 INFO L175 Difference]: Start difference. First operand has 34 places, 34 transitions, 89 flow. Second operand 6 states and 4783 transitions. [2023-11-17 15:39:00,189 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 39 transitions, 183 flow [2023-11-17 15:39:00,190 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 39 transitions, 177 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-11-17 15:39:00,191 INFO L231 Difference]: Finished difference. Result has 39 places, 39 transitions, 149 flow [2023-11-17 15:39:00,191 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1766, PETRI_DIFFERENCE_MINUEND_FLOW=83, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=149, PETRI_PLACES=39, PETRI_TRANSITIONS=39} [2023-11-17 15:39:00,192 INFO L281 CegarLoopForPetriNet]: 34 programPoint places, 5 predicate places. [2023-11-17 15:39:00,192 INFO L495 AbstractCegarLoop]: Abstraction has has 39 places, 39 transitions, 149 flow [2023-11-17 15:39:00,194 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 791.0) internal successors, (6328), 8 states have internal predecessors, (6328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-17 15:39:00,194 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-17 15:39:00,194 INFO L208 CegarLoopForPetriNet]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-17 15:39:00,206 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-17 15:39:00,403 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2023-11-17 15:39:00,403 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-11-17 15:39:00,403 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 15:39:00,404 INFO L85 PathProgramCache]: Analyzing trace with hash -124122839, now seen corresponding path program 2 times [2023-11-17 15:39:00,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 15:39:00,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655581547] [2023-11-17 15:39:00,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 15:39:00,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 15:39:00,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 15:39:01,041 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 15:39:01,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 15:39:01,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655581547] [2023-11-17 15:39:01,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1655581547] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 15:39:01,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1725722286] [2023-11-17 15:39:01,042 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-17 15:39:01,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 15:39:01,043 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 15:39:01,045 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-17 15:39:01,053 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-17 15:39:02,022 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-17 15:39:02,022 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-17 15:39:02,028 INFO L262 TraceCheckSpWp]: Trace formula consists of 559 conjuncts, 67 conjunts are in the unsatisfiable core [2023-11-17 15:39:02,035 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 15:39:02,144 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-17 15:39:02,319 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-17 15:39:02,446 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-17 15:39:02,559 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-17 15:39:02,661 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-17 15:39:02,772 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-17 15:39:02,846 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-17 15:39:02,954 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-17 15:39:03,035 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-17 15:39:03,103 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-17 15:39:03,173 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-17 15:39:03,214 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-17 15:39:03,266 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-17 15:39:03,306 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-17 15:39:03,338 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-17 15:39:03,362 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-17 15:39:03,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:39:03,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:39:03,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:39:03,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:39:03,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:39:03,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:39:03,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:39:03,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:39:03,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:39:03,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:39:03,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:39:03,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:39:03,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:39:03,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:39:03,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:39:03,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:39:03,797 INFO L349 Elim1Store]: treesize reduction 783, result has 10.1 percent of original size [2023-11-17 15:39:03,798 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 14 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 28 case distinctions, treesize of input 416 treesize of output 452 [2023-11-17 15:39:06,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:39:06,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:39:06,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:39:06,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:39:06,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:39:06,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:39:06,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:39:06,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:39:06,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:39:06,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:39:06,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:39:06,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:39:06,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:39:06,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:39:06,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:39:07,050 INFO L349 Elim1Store]: treesize reduction 732, result has 11.9 percent of original size [2023-11-17 15:39:07,051 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 22 case distinctions, treesize of input 1794 treesize of output 1835 [2023-11-17 15:39:08,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:39:08,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:39:08,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:39:08,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:39:08,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:39:08,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:39:08,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:39:08,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:39:08,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:39:08,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:39:08,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:39:08,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:39:09,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:39:09,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:39:09,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:39:09,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:39:09,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:39:09,334 INFO L349 Elim1Store]: treesize reduction 711, result has 11.9 percent of original size [2023-11-17 15:39:09,334 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 21 case distinctions, treesize of input 1571 treesize of output 1609 [2023-11-17 15:39:11,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:39:11,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:39:11,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:39:11,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:39:11,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:39:11,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:39:11,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:39:11,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:39:11,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:39:11,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:39:11,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:39:11,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:39:11,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:39:11,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:39:11,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:39:11,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:39:11,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:39:11,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:39:11,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:39:11,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:39:11,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:39:11,739 INFO L349 Elim1Store]: treesize reduction 893, result has 10.3 percent of original size [2023-11-17 15:39:11,739 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 20 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 25 case distinctions, treesize of input 1534 treesize of output 1572 [2023-11-17 15:39:12,429 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-17 15:39:12,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:39:12,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:39:12,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:39:12,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:39:12,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:39:12,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:39:12,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:39:12,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:39:12,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:39:12,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:39:12,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:39:12,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:39:12,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:39:12,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:39:12,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:39:12,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:39:12,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:39:12,788 INFO L349 Elim1Store]: treesize reduction 671, result has 13.4 percent of original size [2023-11-17 15:39:12,789 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 17 case distinctions, treesize of input 1613 treesize of output 1661 [2023-11-17 15:39:15,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:39:15,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:39:15,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:39:15,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:39:15,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:39:15,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:39:15,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:39:15,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:39:15,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:39:15,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:39:15,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:39:15,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:39:15,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:39:15,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:39:15,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:39:15,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 15:39:15,772 INFO L190 IndexEqualityManager]: detected not equals via solver Received shutdown request... [2023-11-17 15:39:15,853 WARN L235 SmtUtils]: Removed 3 from assertion stack [2023-11-17 15:39:15,854 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2023-11-17 15:39:15,862 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-17 15:39:15,863 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-11-17 15:39:15,863 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-11-17 15:39:16,055 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 15:39:16,056 WARN L619 AbstractCegarLoop]: Verification canceled: while CegarLoopForPetriNet was analyzing trace of length 14 with TraceHistMax 4,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 168 for 73ms.. [2023-11-17 15:39:16,057 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 5 remaining) [2023-11-17 15:39:16,057 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2023-11-17 15:39:16,057 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2023-11-17 15:39:16,057 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 5 remaining) [2023-11-17 15:39:16,058 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1] [2023-11-17 15:39:16,062 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-17 15:39:16,062 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-17 15:39:16,064 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 03:39:16 BasicIcfg [2023-11-17 15:39:16,064 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-17 15:39:16,065 INFO L158 Benchmark]: Toolchain (without parser) took 546638.47ms. Allocated memory was 196.1MB in the beginning and 759.2MB in the end (delta: 563.1MB). Free memory was 130.8MB in the beginning and 442.9MB in the end (delta: -312.1MB). Peak memory consumption was 499.6MB. Max. memory is 8.0GB. [2023-11-17 15:39:16,065 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 196.1MB. Free memory is still 144.4MB. There was no memory consumed. Max. memory is 8.0GB. [2023-11-17 15:39:16,065 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4488.09ms. Allocated memory was 196.1MB in the beginning and 296.7MB in the end (delta: 100.7MB). Free memory was 130.6MB in the beginning and 168.1MB in the end (delta: -37.5MB). Peak memory consumption was 192.0MB. Max. memory is 8.0GB. [2023-11-17 15:39:16,065 INFO L158 Benchmark]: Boogie Procedure Inliner took 190.20ms. Allocated memory is still 296.7MB. Free memory was 168.1MB in the beginning and 156.5MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2023-11-17 15:39:16,066 INFO L158 Benchmark]: Boogie Preprocessor took 121.37ms. Allocated memory is still 296.7MB. Free memory was 156.5MB in the beginning and 150.8MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2023-11-17 15:39:16,066 INFO L158 Benchmark]: RCFGBuilder took 1243.85ms. Allocated memory is still 296.7MB. Free memory was 150.8MB in the beginning and 177.0MB in the end (delta: -26.2MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. [2023-11-17 15:39:16,066 INFO L158 Benchmark]: TraceAbstraction took 540587.66ms. Allocated memory was 296.7MB in the beginning and 759.2MB in the end (delta: 462.4MB). Free memory was 176.5MB in the beginning and 442.9MB in the end (delta: -266.4MB). Peak memory consumption was 444.0MB. Max. memory is 8.0GB. [2023-11-17 15:39:16,068 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 196.1MB. Free memory is still 144.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 4488.09ms. Allocated memory was 196.1MB in the beginning and 296.7MB in the end (delta: 100.7MB). Free memory was 130.6MB in the beginning and 168.1MB in the end (delta: -37.5MB). Peak memory consumption was 192.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 190.20ms. Allocated memory is still 296.7MB. Free memory was 168.1MB in the beginning and 156.5MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 121.37ms. Allocated memory is still 296.7MB. Free memory was 156.5MB in the beginning and 150.8MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * RCFGBuilder took 1243.85ms. Allocated memory is still 296.7MB. Free memory was 150.8MB in the beginning and 177.0MB in the end (delta: -26.2MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. * TraceAbstraction took 540587.66ms. Allocated memory was 296.7MB in the beginning and 759.2MB in the end (delta: 462.4MB). Free memory was 176.5MB in the beginning and 442.9MB in the end (delta: -266.4MB). Peak memory consumption was 444.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "b %b0, %1\n" : "+q" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "w %w0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "l %0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "q %q0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 5814]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 517.9s, 794 PlacesBefore, 34 PlacesAfterwards, 840 TransitionsBefore, 49 TransitionsAfterwards, 12948 CoEnabledTransitionPairs, 11 FixpointIterations, 621 TrivialSequentialCompositions, 148 ConcurrentSequentialCompositions, 92 TrivialYvCompositions, 23 ConcurrentYvCompositions, 31 ChoiceCompositions, 915 TotalNumberOfCompositions, 9912 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 9087, independent: 8997, independent conditional: 0, independent unconditional: 8997, dependent: 89, dependent conditional: 0, dependent unconditional: 89, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 8113, independent: 8082, independent conditional: 0, independent unconditional: 8082, dependent: 30, dependent conditional: 0, dependent unconditional: 30, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 8113, independent: 8082, independent conditional: 0, independent unconditional: 8082, dependent: 31, dependent conditional: 0, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 31, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 30, dependent conditional: 0, dependent unconditional: 30, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2277, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 132, dependent conditional: 0, dependent unconditional: 132, unknown: 2145, unknown conditional: 0, unknown unconditional: 2145] ], Cache Queries: [ total: 9087, independent: 915, independent conditional: 0, independent unconditional: 915, dependent: 59, dependent conditional: 0, dependent unconditional: 59, unknown: 8113, unknown conditional: 0, unknown unconditional: 8113] , Statistics on independence cache: Total cache size (in pairs): 36, Positive cache size: 31, Positive conditional cache size: 0, Positive unconditional cache size: 31, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - TimeoutResultAtElement [Line: 174]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while CegarLoopForPetriNet was analyzing trace of length 14 with TraceHistMax 4,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 168 for 73ms.. - TimeoutResultAtElement [Line: 174]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while CegarLoopForPetriNet was analyzing trace of length 14 with TraceHistMax 4,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 168 for 73ms.. - TimeoutResultAtElement [Line: 7068]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while CegarLoopForPetriNet was analyzing trace of length 14 with TraceHistMax 4,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 168 for 73ms.. - TimeoutResultAtElement [Line: 7069]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while CegarLoopForPetriNet was analyzing trace of length 14 with TraceHistMax 4,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 168 for 73ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 951 locations, 5 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 540.4s, OverallIterations: 5, TraceHistogramMax: 4, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 518.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10 SdHoareTripleChecker+Valid, 1.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 1.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 319 IncrementalHoareTripleChecker+Invalid, 331 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 0 mSDtfsCounter, 319 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=149occurred in iteration=4, InterpolantAutomatonStates: 15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 49 NumberOfCodeBlocks, 49 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 174 SizeOfPredicates, 23 NumberOfNonLiveVariables, 1136 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 7 InterpolantComputations, 3 PerfectInterpolantSequences, 1/5 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