/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 --rcfgbuilder.only.consider.context.switches.at.boundaries.of.atomic.blocks true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_set.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.datarace-free-lbe-02cf818-m [2023-11-17 11:32:02,169 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-17 11:32:02,236 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 11:32:02,260 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-17 11:32:02,260 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-17 11:32:02,261 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-17 11:32:02,261 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-17 11:32:02,261 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-17 11:32:02,262 INFO L153 SettingsManager]: * Use SBE=true [2023-11-17 11:32:02,265 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-17 11:32:02,265 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-17 11:32:02,265 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-17 11:32:02,266 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-17 11:32:02,267 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-17 11:32:02,267 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-17 11:32:02,267 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-17 11:32:02,267 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-17 11:32:02,267 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-17 11:32:02,267 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-17 11:32:02,267 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-17 11:32:02,268 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-17 11:32:02,268 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-17 11:32:02,268 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-17 11:32:02,268 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-17 11:32:02,269 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-17 11:32:02,269 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 11:32:02,269 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-17 11:32:02,269 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-17 11:32:02,269 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-17 11:32:02,269 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-17 11:32:02,270 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-17 11:32:02,270 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-17 11:32:02,270 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Only consider context switches at boundaries of atomic blocks -> true [2023-11-17 11:32:02,440 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-17 11:32:02,457 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-17 11:32:02,459 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-17 11:32:02,460 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-17 11:32:02,460 INFO L274 PluginConnector]: CDTParser initialized [2023-11-17 11:32:02,460 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_set.i [2023-11-17 11:32:03,480 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-17 11:32:03,899 INFO L384 CDTParser]: Found 1 translation units. [2023-11-17 11:32:03,905 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_set.i [2023-11-17 11:32:03,938 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2d704350/8332c46745ae4b139151a59cd89ffebf/FLAG67c08e4d5 [2023-11-17 11:32:04,063 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2d704350/8332c46745ae4b139151a59cd89ffebf [2023-11-17 11:32:04,064 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-17 11:32:04,065 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-17 11:32:04,066 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-17 11:32:04,066 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-17 11:32:04,069 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-17 11:32:04,069 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 11:32:04" (1/1) ... [2023-11-17 11:32:04,070 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d71d534 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:32:04, skipping insertion in model container [2023-11-17 11:32:04,070 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 11:32:04" (1/1) ... [2023-11-17 11:32:04,167 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-17 11:32:04,407 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_change_pc8736x_gpio_set.i[5469,5482] [2023-11-17 11:32:06,856 WARN L635 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-11-17 11:32:07,205 WARN L1588 CHandler]: Possible shadowing of function iminor [2023-11-17 11:32:07,205 WARN L1588 CHandler]: Possible shadowing of function iminor [2023-11-17 11:32:07,237 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-17 11:32:07,259 INFO L202 MainTranslator]: Completed pre-run [2023-11-17 11:32:07,270 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_change_pc8736x_gpio_set.i[5469,5482] [2023-11-17 11:32:07,338 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 11:32:07,339 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 11:32:07,340 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 11:32:07,340 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 11:32:07,394 WARN L635 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-11-17 11:32:07,414 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] [2023-11-17 11:32:07,438 WARN L1588 CHandler]: Possible shadowing of function iminor [2023-11-17 11:32:07,439 WARN L1588 CHandler]: Possible shadowing of function iminor [2023-11-17 11:32:07,448 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-17 11:32:07,845 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 11:32:07,845 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 11:32:07,845 WARN L675 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 11:32:07,845 WARN L675 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 11:32:07,845 WARN L675 CHandler]: The function __builtin_constant_p is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 11:32:07,845 WARN L675 CHandler]: The function ____ilog2_NaN is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 11:32:07,845 WARN L675 CHandler]: The function _whoop_init is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 11:32:07,850 INFO L206 MainTranslator]: Completed translation [2023-11-17 11:32:07,850 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:32:07 WrapperNode [2023-11-17 11:32:07,851 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-17 11:32:07,851 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-17 11:32:07,851 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-17 11:32:07,851 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-17 11:32:07,856 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:32:07" (1/1) ... [2023-11-17 11:32:07,954 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:32:07" (1/1) ... [2023-11-17 11:32:08,021 INFO L138 Inliner]: procedures = 1394, calls = 1539, calls flagged for inlining = 392, calls inlined = 58, statements flattened = 804 [2023-11-17 11:32:08,022 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-17 11:32:08,022 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-17 11:32:08,022 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-17 11:32:08,022 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-17 11:32:08,030 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:32:07" (1/1) ... [2023-11-17 11:32:08,030 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:32:07" (1/1) ... [2023-11-17 11:32:08,040 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:32:07" (1/1) ... [2023-11-17 11:32:08,041 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:32:07" (1/1) ... [2023-11-17 11:32:08,057 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:32:07" (1/1) ... [2023-11-17 11:32:08,062 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:32:07" (1/1) ... [2023-11-17 11:32:08,068 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:32:07" (1/1) ... [2023-11-17 11:32:08,072 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:32:07" (1/1) ... [2023-11-17 11:32:08,080 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-17 11:32:08,081 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-17 11:32:08,081 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-17 11:32:08,081 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-17 11:32:08,081 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:32:07" (1/1) ... [2023-11-17 11:32:08,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 11:32:08,095 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 11:32:08,111 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 11:32:08,164 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 11:32:08,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-17 11:32:08,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-17 11:32:08,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-17 11:32:08,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-17 11:32:08,185 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_change [2023-11-17 11:32:08,185 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_change [2023-11-17 11:32:08,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-17 11:32:08,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-17 11:32:08,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-17 11:32:08,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-17 11:32:08,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-17 11:32:08,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-17 11:32:08,186 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-17 11:32:08,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-17 11:32:08,186 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-17 11:32:08,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-17 11:32:08,187 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_set [2023-11-17 11:32:08,187 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_set [2023-11-17 11:32:08,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-17 11:32:08,189 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 11:32:08,526 INFO L239 CfgBuilder]: Building ICFG [2023-11-17 11:32:08,528 INFO L265 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-17 11:32:09,155 INFO L280 CfgBuilder]: Performing block encoding [2023-11-17 11:32:09,683 INFO L302 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-17 11:32:09,683 INFO L307 CfgBuilder]: Removed 31 assume(true) statements. [2023-11-17 11:32:09,684 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 11:32:09 BoogieIcfgContainer [2023-11-17 11:32:09,684 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-17 11:32:09,686 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-17 11:32:09,686 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-17 11:32:09,688 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-17 11:32:09,688 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 11:32:04" (1/3) ... [2023-11-17 11:32:09,688 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ffa705 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 11:32:09, skipping insertion in model container [2023-11-17 11:32:09,688 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:32:07" (2/3) ... [2023-11-17 11:32:09,688 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ffa705 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 11:32:09, skipping insertion in model container [2023-11-17 11:32:09,689 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 11:32:09" (3/3) ... [2023-11-17 11:32:09,689 INFO L112 eAbstractionObserver]: Analyzing ICFG char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_set.i [2023-11-17 11:32:09,701 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-17 11:32:09,701 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-11-17 11:32:09,701 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-17 11:32:09,807 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-17 11:32:09,829 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 65 places, 87 transitions, 188 flow [2023-11-17 11:32:09,855 INFO L124 PetriNetUnfolderBase]: 29/85 cut-off events. [2023-11-17 11:32:09,855 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-17 11:32:09,859 INFO L83 FinitePrefix]: Finished finitePrefix Result has 94 conditions, 85 events. 29/85 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 175 event pairs, 0 based on Foata normal form. 0/52 useless extension candidates. Maximal degree in co-relation 64. Up to 5 conditions per place. [2023-11-17 11:32:09,859 INFO L82 GeneralOperation]: Start removeDead. Operand has 65 places, 87 transitions, 188 flow [2023-11-17 11:32:09,862 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 61 places, 83 transitions, 175 flow [2023-11-17 11:32:09,864 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-11-17 11:32:09,871 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 61 places, 83 transitions, 175 flow [2023-11-17 11:32:09,873 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 61 places, 83 transitions, 175 flow [2023-11-17 11:32:09,873 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 61 places, 83 transitions, 175 flow [2023-11-17 11:32:09,889 INFO L124 PetriNetUnfolderBase]: 29/83 cut-off events. [2023-11-17 11:32:09,890 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-17 11:32:09,890 INFO L83 FinitePrefix]: Finished finitePrefix Result has 91 conditions, 83 events. 29/83 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 174 event pairs, 0 based on Foata normal form. 0/50 useless extension candidates. Maximal degree in co-relation 64. Up to 5 conditions per place. [2023-11-17 11:32:09,891 INFO L119 LiptonReduction]: Number of co-enabled transitions 582 [2023-11-17 11:32:21,780 INFO L134 LiptonReduction]: Checked pairs total: 1174 [2023-11-17 11:32:21,780 INFO L136 LiptonReduction]: Total number of compositions: 54 [2023-11-17 11:32:21,790 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-17 11:32:21,794 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;@366fad10, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-17 11:32:21,794 INFO L358 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2023-11-17 11:32:21,800 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-17 11:32:21,800 INFO L124 PetriNetUnfolderBase]: 4/9 cut-off events. [2023-11-17 11:32:21,800 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-17 11:32:21,801 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-17 11:32:21,801 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-11-17 11:32:21,801 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 6 more)] === [2023-11-17 11:32:21,804 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 11:32:21,804 INFO L85 PathProgramCache]: Analyzing trace with hash 2234512, now seen corresponding path program 1 times [2023-11-17 11:32:21,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 11:32:21,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348981267] [2023-11-17 11:32:21,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 11:32:21,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 11:32:22,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 11:32:22,168 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 11:32:22,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 11:32:22,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348981267] [2023-11-17 11:32:22,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348981267] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 11:32:22,170 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 11:32:22,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-17 11:32:22,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175346939] [2023-11-17 11:32:22,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 11:32:22,176 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-17 11:32:22,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 11:32:22,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-17 11:32:22,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-17 11:32:22,198 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 141 [2023-11-17 11:32:22,199 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 57 transitions, 123 flow. Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 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 11:32:22,199 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-17 11:32:22,200 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 141 [2023-11-17 11:32:22,201 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-17 11:32:22,468 INFO L124 PetriNetUnfolderBase]: 196/366 cut-off events. [2023-11-17 11:32:22,468 INFO L125 PetriNetUnfolderBase]: For 23/23 co-relation queries the response was YES. [2023-11-17 11:32:22,469 INFO L83 FinitePrefix]: Finished finitePrefix Result has 761 conditions, 366 events. 196/366 cut-off events. For 23/23 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1257 event pairs, 186 based on Foata normal form. 0/304 useless extension candidates. Maximal degree in co-relation 632. Up to 367 conditions per place. [2023-11-17 11:32:22,473 INFO L140 encePairwiseOnDemand]: 126/141 looper letters, 42 selfloop transitions, 0 changer transitions 0/42 dead transitions. [2023-11-17 11:32:22,473 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 42 transitions, 177 flow [2023-11-17 11:32:22,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 11:32:22,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-17 11:32:22,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 75 transitions. [2023-11-17 11:32:22,483 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.26595744680851063 [2023-11-17 11:32:22,484 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 75 transitions. [2023-11-17 11:32:22,484 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 75 transitions. [2023-11-17 11:32:22,485 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-17 11:32:22,486 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 75 transitions. [2023-11-17 11:32:22,487 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 37.5) internal successors, (75), 2 states have internal predecessors, (75), 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 11:32:22,490 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 141.0) internal successors, (423), 3 states have internal predecessors, (423), 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 11:32:22,491 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 141.0) internal successors, (423), 3 states have internal predecessors, (423), 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 11:32:22,492 INFO L175 Difference]: Start difference. First operand has 40 places, 57 transitions, 123 flow. Second operand 2 states and 75 transitions. [2023-11-17 11:32:22,492 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 42 transitions, 177 flow [2023-11-17 11:32:22,494 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 42 transitions, 172 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-11-17 11:32:22,495 INFO L231 Difference]: Finished difference. Result has 37 places, 42 transitions, 88 flow [2023-11-17 11:32:22,497 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=88, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=88, PETRI_PLACES=37, PETRI_TRANSITIONS=42} [2023-11-17 11:32:22,499 INFO L281 CegarLoopForPetriNet]: 40 programPoint places, -3 predicate places. [2023-11-17 11:32:22,500 INFO L495 AbstractCegarLoop]: Abstraction has has 37 places, 42 transitions, 88 flow [2023-11-17 11:32:22,500 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 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 11:32:22,500 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-17 11:32:22,500 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-17 11:32:22,500 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-17 11:32:22,500 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting whoop_wrapper_pc8736x_gpio_changeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-17 11:32:22,501 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 11:32:22,501 INFO L85 PathProgramCache]: Analyzing trace with hash -1863670604, now seen corresponding path program 1 times [2023-11-17 11:32:22,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 11:32:22,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734739443] [2023-11-17 11:32:22,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 11:32:22,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 11:32:22,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 11:32:22,940 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 11:32:22,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 11:32:22,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734739443] [2023-11-17 11:32:22,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [734739443] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 11:32:22,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 11:32:22,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-17 11:32:22,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724943293] [2023-11-17 11:32:22,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 11:32:22,943 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-17 11:32:22,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 11:32:22,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-17 11:32:22,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-17 11:32:22,944 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 141 [2023-11-17 11:32:22,944 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 42 transitions, 88 flow. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 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 11:32:22,944 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-17 11:32:22,944 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 141 [2023-11-17 11:32:22,944 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-17 11:32:23,151 INFO L124 PetriNetUnfolderBase]: 196/367 cut-off events. [2023-11-17 11:32:23,151 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-11-17 11:32:23,153 INFO L83 FinitePrefix]: Finished finitePrefix Result has 752 conditions, 367 events. 196/367 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1257 event pairs, 186 based on Foata normal form. 0/305 useless extension candidates. Maximal degree in co-relation 749. Up to 367 conditions per place. [2023-11-17 11:32:23,154 INFO L140 encePairwiseOnDemand]: 137/141 looper letters, 41 selfloop transitions, 2 changer transitions 0/43 dead transitions. [2023-11-17 11:32:23,154 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 43 transitions, 176 flow [2023-11-17 11:32:23,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 11:32:23,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-17 11:32:23,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 72 transitions. [2023-11-17 11:32:23,159 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.1702127659574468 [2023-11-17 11:32:23,160 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 72 transitions. [2023-11-17 11:32:23,163 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 72 transitions. [2023-11-17 11:32:23,163 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-17 11:32:23,163 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 72 transitions. [2023-11-17 11:32:23,165 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 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 11:32:23,166 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 141.0) internal successors, (564), 4 states have internal predecessors, (564), 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 11:32:23,167 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 141.0) internal successors, (564), 4 states have internal predecessors, (564), 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 11:32:23,167 INFO L175 Difference]: Start difference. First operand has 37 places, 42 transitions, 88 flow. Second operand 3 states and 72 transitions. [2023-11-17 11:32:23,167 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 43 transitions, 176 flow [2023-11-17 11:32:23,167 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 43 transitions, 176 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-17 11:32:23,168 INFO L231 Difference]: Finished difference. Result has 40 places, 43 transitions, 102 flow [2023-11-17 11:32:23,168 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=88, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=102, PETRI_PLACES=40, PETRI_TRANSITIONS=43} [2023-11-17 11:32:23,168 INFO L281 CegarLoopForPetriNet]: 40 programPoint places, 0 predicate places. [2023-11-17 11:32:23,169 INFO L495 AbstractCegarLoop]: Abstraction has has 40 places, 43 transitions, 102 flow [2023-11-17 11:32:23,169 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 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 11:32:23,169 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-17 11:32:23,169 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-17 11:32:23,169 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-17 11:32:23,169 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting whoop_wrapper_pc8736x_gpio_changeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-17 11:32:23,170 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 11:32:23,170 INFO L85 PathProgramCache]: Analyzing trace with hash 1690693621, now seen corresponding path program 1 times [2023-11-17 11:32:23,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 11:32:23,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788427439] [2023-11-17 11:32:23,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 11:32:23,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 11:32:23,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 11:32:23,638 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 11:32:23,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 11:32:23,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788427439] [2023-11-17 11:32:23,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1788427439] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 11:32:23,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [506962630] [2023-11-17 11:32:23,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 11:32:23,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 11:32:23,641 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 11:32:23,643 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 11:32:23,645 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 11:32:24,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 11:32:24,023 INFO L262 TraceCheckSpWp]: Trace formula consists of 571 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-17 11:32:24,028 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 11:32:24,038 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 11:32:24,039 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-17 11:32:24,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [506962630] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 11:32:24,039 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-17 11:32:24,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 5 [2023-11-17 11:32:24,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685662245] [2023-11-17 11:32:24,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 11:32:24,040 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-17 11:32:24,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 11:32:24,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-17 11:32:24,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-17 11:32:24,041 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 141 [2023-11-17 11:32:24,041 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 43 transitions, 102 flow. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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 11:32:24,041 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-17 11:32:24,041 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 141 [2023-11-17 11:32:24,041 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-17 11:32:24,360 INFO L124 PetriNetUnfolderBase]: 193/364 cut-off events. [2023-11-17 11:32:24,361 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2023-11-17 11:32:24,361 INFO L83 FinitePrefix]: Finished finitePrefix Result has 754 conditions, 364 events. 193/364 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1302 event pairs, 156 based on Foata normal form. 0/308 useless extension candidates. Maximal degree in co-relation 749. Up to 330 conditions per place. [2023-11-17 11:32:24,362 INFO L140 encePairwiseOnDemand]: 137/141 looper letters, 50 selfloop transitions, 3 changer transitions 0/53 dead transitions. [2023-11-17 11:32:24,362 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 53 transitions, 229 flow [2023-11-17 11:32:24,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 11:32:24,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-17 11:32:24,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 80 transitions. [2023-11-17 11:32:24,364 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.18912529550827423 [2023-11-17 11:32:24,364 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 80 transitions. [2023-11-17 11:32:24,364 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 80 transitions. [2023-11-17 11:32:24,364 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-17 11:32:24,364 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 80 transitions. [2023-11-17 11:32:24,364 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 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 11:32:24,365 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 141.0) internal successors, (564), 4 states have internal predecessors, (564), 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 11:32:24,365 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 141.0) internal successors, (564), 4 states have internal predecessors, (564), 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 11:32:24,366 INFO L175 Difference]: Start difference. First operand has 40 places, 43 transitions, 102 flow. Second operand 3 states and 80 transitions. [2023-11-17 11:32:24,366 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 53 transitions, 229 flow [2023-11-17 11:32:24,366 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 53 transitions, 225 flow, removed 1 selfloop flow, removed 1 redundant places. [2023-11-17 11:32:24,367 INFO L231 Difference]: Finished difference. Result has 42 places, 45 transitions, 117 flow [2023-11-17 11:32:24,367 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=98, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=117, PETRI_PLACES=42, PETRI_TRANSITIONS=45} [2023-11-17 11:32:24,368 INFO L281 CegarLoopForPetriNet]: 40 programPoint places, 2 predicate places. [2023-11-17 11:32:24,368 INFO L495 AbstractCegarLoop]: Abstraction has has 42 places, 45 transitions, 117 flow [2023-11-17 11:32:24,368 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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 11:32:24,368 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-17 11:32:24,368 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-17 11:32:24,375 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-17 11:32:24,580 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 11:32:24,581 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 6 more)] === [2023-11-17 11:32:24,581 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 11:32:24,581 INFO L85 PathProgramCache]: Analyzing trace with hash 892796890, now seen corresponding path program 1 times [2023-11-17 11:32:24,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 11:32:24,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133681005] [2023-11-17 11:32:24,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 11:32:24,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 11:32:24,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 11:32:25,017 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 11:32:25,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 11:32:25,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133681005] [2023-11-17 11:32:25,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133681005] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 11:32:25,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [696732841] [2023-11-17 11:32:25,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 11:32:25,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 11:32:25,019 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 11:32:25,039 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 11:32:25,045 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 11:32:25,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 11:32:25,494 INFO L262 TraceCheckSpWp]: Trace formula consists of 565 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-17 11:32:25,497 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 11:32:25,558 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 11:32:25,572 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 11:32:25,572 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-17 11:32:25,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [696732841] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 11:32:25,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-17 11:32:25,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 6 [2023-11-17 11:32:25,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952658625] [2023-11-17 11:32:25,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 11:32:25,573 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-17 11:32:25,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 11:32:25,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-17 11:32:25,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-17 11:32:25,574 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 141 [2023-11-17 11:32:25,574 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 45 transitions, 117 flow. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 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 11:32:25,574 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-17 11:32:25,574 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 141 [2023-11-17 11:32:25,574 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-17 11:32:26,391 INFO L124 PetriNetUnfolderBase]: 209/392 cut-off events. [2023-11-17 11:32:26,391 INFO L125 PetriNetUnfolderBase]: For 64/64 co-relation queries the response was YES. [2023-11-17 11:32:26,391 INFO L83 FinitePrefix]: Finished finitePrefix Result has 897 conditions, 392 events. 209/392 cut-off events. For 64/64 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1430 event pairs, 115 based on Foata normal form. 0/341 useless extension candidates. Maximal degree in co-relation 891. Up to 240 conditions per place. [2023-11-17 11:32:26,392 INFO L140 encePairwiseOnDemand]: 135/141 looper letters, 59 selfloop transitions, 7 changer transitions 2/68 dead transitions. [2023-11-17 11:32:26,393 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 68 transitions, 319 flow [2023-11-17 11:32:26,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 11:32:26,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-17 11:32:26,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 101 transitions. [2023-11-17 11:32:26,396 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.17907801418439717 [2023-11-17 11:32:26,396 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 101 transitions. [2023-11-17 11:32:26,396 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 101 transitions. [2023-11-17 11:32:26,396 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-17 11:32:26,396 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 101 transitions. [2023-11-17 11:32:26,397 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 25.25) internal successors, (101), 4 states have internal predecessors, (101), 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 11:32:26,398 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 141.0) internal successors, (705), 5 states have internal predecessors, (705), 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 11:32:26,398 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 141.0) internal successors, (705), 5 states have internal predecessors, (705), 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 11:32:26,398 INFO L175 Difference]: Start difference. First operand has 42 places, 45 transitions, 117 flow. Second operand 4 states and 101 transitions. [2023-11-17 11:32:26,398 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 68 transitions, 319 flow [2023-11-17 11:32:26,399 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 68 transitions, 312 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-17 11:32:26,400 INFO L231 Difference]: Finished difference. Result has 45 places, 48 transitions, 145 flow [2023-11-17 11:32:26,400 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=114, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=145, PETRI_PLACES=45, PETRI_TRANSITIONS=48} [2023-11-17 11:32:26,400 INFO L281 CegarLoopForPetriNet]: 40 programPoint places, 5 predicate places. [2023-11-17 11:32:26,400 INFO L495 AbstractCegarLoop]: Abstraction has has 45 places, 48 transitions, 145 flow [2023-11-17 11:32:26,400 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 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 11:32:26,401 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-17 11:32:26,401 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-17 11:32:26,413 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-17 11:32:26,607 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 11:32:26,608 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 6 more)] === [2023-11-17 11:32:26,608 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 11:32:26,608 INFO L85 PathProgramCache]: Analyzing trace with hash 1906901154, now seen corresponding path program 1 times [2023-11-17 11:32:26,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 11:32:26,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431196364] [2023-11-17 11:32:26,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 11:32:26,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 11:32:26,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 11:32:26,900 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 11:32:26,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 11:32:26,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431196364] [2023-11-17 11:32:26,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [431196364] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 11:32:26,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [908775979] [2023-11-17 11:32:26,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 11:32:26,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 11:32:26,901 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 11:32:26,902 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 11:32:26,929 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 11:32:27,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 11:32:27,918 INFO L262 TraceCheckSpWp]: Trace formula consists of 581 conjuncts, 91 conjunts are in the unsatisfiable core [2023-11-17 11:32:27,923 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 11:32:27,988 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-17 11:32:28,078 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-17 11:32:28,109 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-17 11:32:28,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 11:32:28,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 11:32:28,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 11:32:28,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 11:32:28,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 11:32:28,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 11:32:28,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 11:32:28,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 11:32:28,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 11:32:28,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 11:32:28,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 11:32:28,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 11:32:28,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 11:32:28,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 11:32:28,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 11:32:28,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 11:32:28,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 11:32:28,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 11:32:28,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 11:32:28,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 11:32:28,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 11:32:28,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 11:32:31,592 INFO L349 Elim1Store]: treesize reduction 6741, result has 3.1 percent of original size [2023-11-17 11:32:31,596 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 11 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 93 case distinctions, treesize of input 1391895991 treesize of output 1391317887 [2023-11-17 11:33:06,224 WARN L293 SmtUtils]: Spent 34.62s on a formula simplification. DAG size of input: 2536 DAG size of output: 350 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-17 11:37:54,791 WARN L293 SmtUtils]: Spent 6.38s on a formula simplification. DAG size of input: 2725 DAG size of output: 2726 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-17 11:41:17,810 WARN L293 SmtUtils]: Spent 6.40s on a formula simplification. DAG size of input: 5331 DAG size of output: 5333 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) Received shutdown request... [2023-11-17 11:41:19,321 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 11:41:19,321 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 11:41:19,346 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONERROR_FUNCTION (8 of 9 remaining) [2023-11-17 11:41:19,358 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 11:41:19,556 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 11:41:19,557 WARN L619 AbstractCegarLoop]: Verification canceled: while CegarLoopForPetriNet was analyzing trace of length 11 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 17 xjuncts wrt. a ∧-126-5-87-3-32-2-1 context. [2023-11-17 11:41:19,561 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 9 remaining) [2023-11-17 11:41:19,561 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 9 remaining) [2023-11-17 11:41:19,561 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 9 remaining) [2023-11-17 11:41:19,561 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location whoop_wrapper_pc8736x_gpio_changeErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 9 remaining) [2023-11-17 11:41:19,562 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONERROR_FUNCTION (3 of 9 remaining) [2023-11-17 11:41:19,562 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 9 remaining) [2023-11-17 11:41:19,562 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location whoop_wrapper_pc8736x_gpio_changeErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 9 remaining) [2023-11-17 11:41:19,562 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONERROR_FUNCTION (0 of 9 remaining) [2023-11-17 11:41:19,562 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-11-17 11:41:19,566 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-17 11:41:19,566 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-17 11:41:19,568 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 11:41:19 BasicIcfg [2023-11-17 11:41:19,568 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-17 11:41:19,568 INFO L158 Benchmark]: Toolchain (without parser) took 555503.30ms. Allocated memory was 274.7MB in the beginning and 1.3GB in the end (delta: 992.0MB). Free memory was 220.1MB in the beginning and 788.6MB in the end (delta: -568.5MB). Peak memory consumption was 839.5MB. Max. memory is 8.0GB. [2023-11-17 11:41:19,572 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 166.7MB. Free memory is still 118.7MB. There was no memory consumed. Max. memory is 8.0GB. [2023-11-17 11:41:19,573 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3784.98ms. Allocated memory was 274.7MB in the beginning and 424.7MB in the end (delta: 149.9MB). Free memory was 220.1MB in the beginning and 277.7MB in the end (delta: -57.6MB). Peak memory consumption was 156.7MB. Max. memory is 8.0GB. [2023-11-17 11:41:19,573 INFO L158 Benchmark]: Boogie Procedure Inliner took 170.44ms. Allocated memory is still 424.7MB. Free memory was 277.7MB in the beginning and 265.6MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2023-11-17 11:41:19,573 INFO L158 Benchmark]: Boogie Preprocessor took 57.83ms. Allocated memory is still 424.7MB. Free memory was 265.6MB in the beginning and 259.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2023-11-17 11:41:19,573 INFO L158 Benchmark]: RCFGBuilder took 1603.86ms. Allocated memory is still 424.7MB. Free memory was 258.8MB in the beginning and 159.7MB in the end (delta: 99.1MB). Peak memory consumption was 99.6MB. Max. memory is 8.0GB. [2023-11-17 11:41:19,573 INFO L158 Benchmark]: TraceAbstraction took 549882.28ms. Allocated memory was 424.7MB in the beginning and 1.3GB in the end (delta: 842.0MB). Free memory was 159.2MB in the beginning and 788.6MB in the end (delta: -629.4MB). Peak memory consumption was 626.7MB. Max. memory is 8.0GB. [2023-11-17 11:41:19,575 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 166.7MB. Free memory is still 118.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 3784.98ms. Allocated memory was 274.7MB in the beginning and 424.7MB in the end (delta: 149.9MB). Free memory was 220.1MB in the beginning and 277.7MB in the end (delta: -57.6MB). Peak memory consumption was 156.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 170.44ms. Allocated memory is still 424.7MB. Free memory was 277.7MB in the beginning and 265.6MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Preprocessor took 57.83ms. Allocated memory is still 424.7MB. Free memory was 265.6MB in the beginning and 259.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * RCFGBuilder took 1603.86ms. Allocated memory is still 424.7MB. Free memory was 258.8MB in the beginning and 159.7MB in the end (delta: 99.1MB). Peak memory consumption was 99.6MB. Max. memory is 8.0GB. * TraceAbstraction took 549882.28ms. Allocated memory was 424.7MB in the beginning and 1.3GB in the end (delta: 842.0MB). Free memory was 159.2MB in the beginning and 788.6MB in the end (delta: -629.4MB). Peak memory consumption was 626.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "b %b0, %1\n" : "+q" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "w %w0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "l %0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "q %q0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 5814]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 11.9s, 61 PlacesBefore, 40 PlacesAfterwards, 83 TransitionsBefore, 57 TransitionsAfterwards, 582 CoEnabledTransitionPairs, 4 FixpointIterations, 24 TrivialSequentialCompositions, 3 ConcurrentSequentialCompositions, 16 TrivialYvCompositions, 6 ConcurrentYvCompositions, 5 ChoiceCompositions, 54 TotalNumberOfCompositions, 1174 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 501, independent: 436, independent conditional: 0, independent unconditional: 436, dependent: 64, dependent conditional: 0, dependent unconditional: 64, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 241, independent: 225, independent conditional: 0, independent unconditional: 225, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 241, independent: 225, independent conditional: 0, independent unconditional: 225, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 16, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2222, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 76, dependent conditional: 0, dependent unconditional: 76, unknown: 2145, unknown conditional: 0, unknown unconditional: 2145] ], Cache Queries: [ total: 501, independent: 211, independent conditional: 0, independent unconditional: 211, dependent: 49, dependent conditional: 0, dependent unconditional: 49, unknown: 241, unknown conditional: 0, unknown unconditional: 241] , Statistics on independence cache: Total cache size (in pairs): 57, Positive cache size: 46, Positive conditional cache size: 0, Positive unconditional cache size: 46, Negative cache size: 11, Negative conditional cache size: 0, Negative unconditional cache size: 11, 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 11 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 17 xjuncts wrt. a ∧-126-5-87-3-32-2-1 context. - TimeoutResultAtElement [Line: 174]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while CegarLoopForPetriNet was analyzing trace of length 11 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 17 xjuncts wrt. a ∧-126-5-87-3-32-2-1 context. - TimeoutResultAtElement [Line: 7077]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while CegarLoopForPetriNet was analyzing trace of length 11 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 17 xjuncts wrt. a ∧-126-5-87-3-32-2-1 context. - TimeoutResultAtElement [Line: 7076]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while CegarLoopForPetriNet was analyzing trace of length 11 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 17 xjuncts wrt. a ∧-126-5-87-3-32-2-1 context. - TimeoutResultAtElement [Line: 174]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while CegarLoopForPetriNet was analyzing trace of length 11 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 17 xjuncts wrt. a ∧-126-5-87-3-32-2-1 context. - TimeoutResultAtElement [Line: 174]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while CegarLoopForPetriNet was analyzing trace of length 11 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 17 xjuncts wrt. a ∧-126-5-87-3-32-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 83 locations, 9 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: 549.7s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 12.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 28 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 28 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 372 IncrementalHoareTripleChecker+Invalid, 373 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 0 mSDtfsCounter, 372 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=145occurred in iteration=4, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 44 NumberOfCodeBlocks, 44 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 38 ConstructedInterpolants, 0 QuantifiedInterpolants, 132 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1136 ConjunctsInSsa, 26 ConjunctsInUnsatCore, 6 InterpolantComputations, 4 PerfectInterpolantSequences, 2/4 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown