/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/gemcutter/NewStatesSleepPersistent.epf --traceabstraction.dfs.order.used.in.por PSEUDO_LOCKSTEP --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 13:18:24,583 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-17 13:18:24,640 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistent.epf [2023-11-17 13:18:24,643 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-17 13:18:24,644 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-17 13:18:24,670 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-17 13:18:24,670 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-17 13:18:24,671 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-17 13:18:24,671 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-17 13:18:24,674 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-17 13:18:24,675 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-17 13:18:24,675 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-17 13:18:24,675 INFO L153 SettingsManager]: * Use SBE=true [2023-11-17 13:18:24,676 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-17 13:18:24,676 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-17 13:18:24,676 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-17 13:18:24,676 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-17 13:18:24,676 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-17 13:18:24,677 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-17 13:18:24,677 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-17 13:18:24,677 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-17 13:18:24,677 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-17 13:18:24,678 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-17 13:18:24,678 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-17 13:18:24,678 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-17 13:18:24,679 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-17 13:18:24,679 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-17 13:18:24,679 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-17 13:18:24,679 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-17 13:18:24,679 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 13:18:24,680 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-17 13:18:24,680 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-17 13:18:24,680 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-17 13:18:24,680 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-17 13:18:24,680 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-17 13:18:24,680 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-17 13:18:24,680 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-11-17 13:18:24,681 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-17 13:18:24,681 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-11-17 13:18:24,681 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2023-11-17 13:18:24,681 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> PSEUDO_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Only consider context switches at boundaries of atomic blocks -> true [2023-11-17 13:18:24,866 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-17 13:18:24,881 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-17 13:18:24,883 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-17 13:18:24,883 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-17 13:18:24,884 INFO L274 PluginConnector]: CDTParser initialized [2023-11-17 13:18:24,885 INFO L431 ainManager$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 13:18:25,867 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-17 13:18:26,273 INFO L384 CDTParser]: Found 1 translation units. [2023-11-17 13:18:26,274 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 13:18:26,306 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffeef1272/c1942962e49d4c1783d998a86c10c827/FLAG91bdfcecc [2023-11-17 13:18:26,319 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffeef1272/c1942962e49d4c1783d998a86c10c827 [2023-11-17 13:18:26,322 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-17 13:18:26,323 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-17 13:18:26,325 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-17 13:18:26,325 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-17 13:18:26,328 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-17 13:18:26,329 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 01:18:26" (1/1) ... [2023-11-17 13:18:26,329 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@480ff3d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:18:26, skipping insertion in model container [2023-11-17 13:18:26,329 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 01:18:26" (1/1) ... [2023-11-17 13:18:26,403 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-17 13:18:26,644 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 13:18:29,033 WARN L635 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-11-17 13:18:29,374 WARN L1588 CHandler]: Possible shadowing of function iminor [2023-11-17 13:18:29,376 WARN L1588 CHandler]: Possible shadowing of function iminor [2023-11-17 13:18:29,433 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-17 13:18:29,454 INFO L202 MainTranslator]: Completed pre-run [2023-11-17 13:18:29,472 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 13:18:29,530 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 13:18:29,531 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 13:18:29,531 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 13:18:29,531 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 13:18:29,582 WARN L635 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-11-17 13:18:29,599 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] [2023-11-17 13:18:29,624 WARN L1588 CHandler]: Possible shadowing of function iminor [2023-11-17 13:18:29,624 WARN L1588 CHandler]: Possible shadowing of function iminor [2023-11-17 13:18:29,632 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-17 13:18:30,006 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 13:18:30,007 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 13:18:30,007 WARN L675 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 13:18:30,007 WARN L675 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 13:18:30,007 WARN L675 CHandler]: The function __builtin_constant_p is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 13:18:30,007 WARN L675 CHandler]: The function ____ilog2_NaN is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 13:18:30,007 WARN L675 CHandler]: The function _whoop_init is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 13:18:30,013 INFO L206 MainTranslator]: Completed translation [2023-11-17 13:18:30,013 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:18:30 WrapperNode [2023-11-17 13:18:30,013 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-17 13:18:30,014 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-17 13:18:30,014 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-17 13:18:30,014 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-17 13:18:30,019 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:18:30" (1/1) ... [2023-11-17 13:18:30,094 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:18:30" (1/1) ... [2023-11-17 13:18:30,153 INFO L138 Inliner]: procedures = 1394, calls = 1539, calls flagged for inlining = 392, calls inlined = 58, statements flattened = 804 [2023-11-17 13:18:30,153 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-17 13:18:30,154 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-17 13:18:30,154 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-17 13:18:30,154 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-17 13:18:30,167 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:18:30" (1/1) ... [2023-11-17 13:18:30,167 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:18:30" (1/1) ... [2023-11-17 13:18:30,176 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:18:30" (1/1) ... [2023-11-17 13:18:30,176 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:18:30" (1/1) ... [2023-11-17 13:18:30,203 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:18:30" (1/1) ... [2023-11-17 13:18:30,223 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:18:30" (1/1) ... [2023-11-17 13:18:30,234 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:18:30" (1/1) ... [2023-11-17 13:18:30,237 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:18:30" (1/1) ... [2023-11-17 13:18:30,257 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-17 13:18:30,258 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-17 13:18:30,258 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-17 13:18:30,258 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-17 13:18:30,258 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:18:30" (1/1) ... [2023-11-17 13:18:30,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 13:18:30,276 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 13:18:30,287 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 13:18:30,304 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 13:18:30,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-17 13:18:30,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-17 13:18:30,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-17 13:18:30,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-17 13:18:30,314 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_change [2023-11-17 13:18:30,314 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_change [2023-11-17 13:18:30,314 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-17 13:18:30,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-17 13:18:30,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-17 13:18:30,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-17 13:18:30,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-17 13:18:30,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-17 13:18:30,315 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-17 13:18:30,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-17 13:18:30,315 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-17 13:18:30,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-17 13:18:30,317 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_set [2023-11-17 13:18:30,317 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_set [2023-11-17 13:18:30,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-17 13:18:30,318 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 13:18:30,674 INFO L239 CfgBuilder]: Building ICFG [2023-11-17 13:18:30,675 INFO L265 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-17 13:18:31,213 INFO L280 CfgBuilder]: Performing block encoding [2023-11-17 13:18:31,741 INFO L302 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-17 13:18:31,742 INFO L307 CfgBuilder]: Removed 31 assume(true) statements. [2023-11-17 13:18:31,743 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 01:18:31 BoogieIcfgContainer [2023-11-17 13:18:31,743 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-17 13:18:31,744 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-17 13:18:31,744 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-17 13:18:31,746 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-17 13:18:31,746 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 01:18:26" (1/3) ... [2023-11-17 13:18:31,747 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ad54c8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 01:18:31, skipping insertion in model container [2023-11-17 13:18:31,747 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:18:30" (2/3) ... [2023-11-17 13:18:31,747 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ad54c8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 01:18:31, skipping insertion in model container [2023-11-17 13:18:31,747 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 01:18:31" (3/3) ... [2023-11-17 13:18:31,748 INFO L112 eAbstractionObserver]: Analyzing ICFG char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_set.i [2023-11-17 13:18:31,754 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-17 13:18:31,760 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-17 13:18:31,760 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-11-17 13:18:31,760 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-17 13:18:31,824 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-17 13:18:31,850 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-17 13:18:31,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-11-17 13:18:31,851 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 13:18:31,853 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-11-17 13:18:31,858 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-11-17 13:18:31,894 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-11-17 13:18:31,909 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-11-17 13:18:31,914 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, 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;@66b9858a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-17 13:18:31,914 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-17 13:18:34,221 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-17 13:18:34,224 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 13:18:34,224 INFO L85 PathProgramCache]: Analyzing trace with hash -1219153947, now seen corresponding path program 1 times [2023-11-17 13:18:34,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 13:18:34,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119567081] [2023-11-17 13:18:34,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 13:18:34,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 13:18:34,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 13:18:34,894 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 13:18:34,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 13:18:34,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119567081] [2023-11-17 13:18:34,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2119567081] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 13:18:34,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 13:18:34,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-17 13:18:34,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603513721] [2023-11-17 13:18:34,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 13:18:34,899 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-17 13:18:34,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 13:18:34,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-17 13:18:34,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-17 13:18:34,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:18:34,918 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 13:18:34,919 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-17 13:18:34,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:18:35,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:18:35,168 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2023-11-17 13:18:35,168 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-11-17 13:18:35,168 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-11-17 13:18:35,169 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-17 13:18:35,172 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-17 13:18:35,173 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE (1/3) [2023-11-17 13:18:35,176 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-17 13:18:35,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-11-17 13:18:35,176 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 13:18:35,178 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-11-17 13:18:35,180 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2023-11-17 13:18:35,181 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-11-17 13:18:35,181 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork0 ======== [2023-11-17 13:18:35,182 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, 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;@66b9858a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-17 13:18:35,182 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-17 13:18:36,334 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting whoop_wrapper_pc8736x_gpio_changeErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_changeErr0ASSERT_VIOLATIONERROR_FUNCTION, whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 13:18:36,334 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 13:18:36,334 INFO L85 PathProgramCache]: Analyzing trace with hash 1483834549, now seen corresponding path program 1 times [2023-11-17 13:18:36,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 13:18:36,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300495394] [2023-11-17 13:18:36,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 13:18:36,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 13:18:36,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 13:18:36,490 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 13:18:36,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 13:18:36,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300495394] [2023-11-17 13:18:36,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1300495394] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 13:18:36,492 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 13:18:36,492 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-17 13:18:36,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997168252] [2023-11-17 13:18:36,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 13:18:36,492 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-17 13:18:36,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 13:18:36,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-17 13:18:36,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-17 13:18:36,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:18:36,494 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 13:18:36,494 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 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 13:18:36,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:18:36,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:18:36,724 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-17 13:18:36,724 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting whoop_wrapper_pc8736x_gpio_changeErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_changeErr0ASSERT_VIOLATIONERROR_FUNCTION, whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 13:18:36,724 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 13:18:36,724 INFO L85 PathProgramCache]: Analyzing trace with hash -1374581723, now seen corresponding path program 1 times [2023-11-17 13:18:36,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 13:18:36,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53455808] [2023-11-17 13:18:36,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 13:18:36,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 13:18:36,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 13:18:37,040 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 13:18:37,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 13:18:37,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53455808] [2023-11-17 13:18:37,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [53455808] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 13:18:37,041 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 13:18:37,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-17 13:18:37,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277999160] [2023-11-17 13:18:37,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 13:18:37,041 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-17 13:18:37,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 13:18:37,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-17 13:18:37,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-17 13:18:37,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:18:37,042 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 13:18:37,043 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 2 states have internal predecessors, (19), 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 13:18:37,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:18:37,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:18:37,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:18:37,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:18:37,162 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-17 13:18:37,162 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting whoop_wrapper_pc8736x_gpio_changeErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_changeErr0ASSERT_VIOLATIONERROR_FUNCTION, whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 13:18:37,162 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 13:18:37,163 INFO L85 PathProgramCache]: Analyzing trace with hash -2087125530, now seen corresponding path program 1 times [2023-11-17 13:18:37,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 13:18:37,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319894856] [2023-11-17 13:18:37,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 13:18:37,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 13:18:37,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 13:18:37,417 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 13:18:37,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 13:18:37,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319894856] [2023-11-17 13:18:37,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319894856] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 13:18:37,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [724614923] [2023-11-17 13:18:37,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 13:18:37,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 13:18:37,418 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 13:18:37,420 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 13:18:37,424 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 13:18:37,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 13:18:37,817 INFO L262 TraceCheckSpWp]: Trace formula consists of 661 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-17 13:18:37,821 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 13:18:37,832 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 13:18:37,832 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-17 13:18:37,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [724614923] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 13:18:37,833 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-17 13:18:37,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 5 [2023-11-17 13:18:37,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860569701] [2023-11-17 13:18:37,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 13:18:37,833 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-17 13:18:37,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 13:18:37,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-17 13:18:37,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-17 13:18:37,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:18:37,834 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 13:18:37,834 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 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 13:18:37,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:18:37,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:18:37,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:18:40,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:18:40,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:18:40,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:18:40,371 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-17 13:18:40,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 13:18:40,563 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_changeErr0ASSERT_VIOLATIONERROR_FUNCTION, whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 13:18:40,563 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 13:18:40,564 INFO L85 PathProgramCache]: Analyzing trace with hash 1906211274, now seen corresponding path program 1 times [2023-11-17 13:18:40,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 13:18:40,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887412406] [2023-11-17 13:18:40,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 13:18:40,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 13:18:40,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 13:18:40,917 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 13:18:40,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 13:18:40,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887412406] [2023-11-17 13:18:40,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1887412406] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 13:18:40,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [978862073] [2023-11-17 13:18:40,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 13:18:40,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 13:18:40,918 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 13:18:40,919 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-17 13:18:40,925 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-17 13:18:41,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 13:18:41,787 INFO L262 TraceCheckSpWp]: Trace formula consists of 719 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-17 13:18:41,789 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 13:18:41,813 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 13:18:41,813 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 13:18:41,831 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 13:18:41,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [978862073] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 13:18:41,831 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 13:18:41,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2023-11-17 13:18:41,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858673522] [2023-11-17 13:18:41,832 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 13:18:41,832 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-17 13:18:41,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 13:18:41,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-17 13:18:41,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2023-11-17 13:18:41,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:18:41,833 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 13:18:41,833 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 7 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 13:18:41,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:18:41,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:18:41,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:18:41,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:18:42,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:18:42,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:18:42,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:18:42,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:18:42,117 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-17 13:18:42,290 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 13:18:42,291 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_changeErr0ASSERT_VIOLATIONERROR_FUNCTION, whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 13:18:42,291 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 13:18:42,291 INFO L85 PathProgramCache]: Analyzing trace with hash 1584063019, now seen corresponding path program 2 times [2023-11-17 13:18:42,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 13:18:42,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409785486] [2023-11-17 13:18:42,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 13:18:42,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 13:18:42,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 13:18:42,733 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 13:18:42,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 13:18:42,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409785486] [2023-11-17 13:18:42,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [409785486] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 13:18:42,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1157904530] [2023-11-17 13:18:42,735 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-17 13:18:42,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 13:18:42,735 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 13:18:42,736 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-17 13:18:42,763 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-17 13:18:43,951 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-17 13:18:43,951 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-17 13:18:43,958 INFO L262 TraceCheckSpWp]: Trace formula consists of 770 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-17 13:18:43,960 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 13:18:44,017 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 13:18:44,017 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 13:18:44,083 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 13:18:44,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1157904530] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 13:18:44,083 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 13:18:44,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 16 [2023-11-17 13:18:44,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602329196] [2023-11-17 13:18:44,084 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 13:18:44,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-11-17 13:18:44,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 13:18:44,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-11-17 13:18:44,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=178, Unknown=0, NotChecked=0, Total=272 [2023-11-17 13:18:44,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:18:44,085 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 13:18:44,085 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.588235294117647) internal successors, (44), 16 states have internal predecessors, (44), 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 13:18:44,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:18:44,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:18:44,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:18:44,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:18:44,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:18:44,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:18:44,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:18:44,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:18:44,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:18:44,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-17 13:18:44,998 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-17 13:18:45,187 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 13:18:45,187 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_changeErr0ASSERT_VIOLATIONERROR_FUNCTION, whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 13:18:45,187 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 13:18:45,187 INFO L85 PathProgramCache]: Analyzing trace with hash -1800639029, now seen corresponding path program 3 times [2023-11-17 13:18:45,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 13:18:45,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319039379] [2023-11-17 13:18:45,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 13:18:45,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 13:18:45,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 13:18:45,832 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 13:18:45,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 13:18:45,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319039379] [2023-11-17 13:18:45,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [319039379] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 13:18:45,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1755401744] [2023-11-17 13:18:45,832 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-17 13:18:45,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 13:18:45,833 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 13:18:45,841 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-17 13:18:45,876 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-17 13:19:03,311 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2023-11-17 13:19:03,311 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-17 13:19:03,327 INFO L262 TraceCheckSpWp]: Trace formula consists of 872 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-17 13:19:03,330 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 13:19:03,478 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 13:19:03,478 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 13:19:04,170 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 13:19:04,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1755401744] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 13:19:04,170 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 13:19:04,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 33 [2023-11-17 13:19:04,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840882647] [2023-11-17 13:19:04,170 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 13:19:04,171 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2023-11-17 13:19:04,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 13:19:04,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2023-11-17 13:19:04,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=308, Invalid=814, Unknown=0, NotChecked=0, Total=1122 [2023-11-17 13:19:04,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:19:04,172 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 13:19:04,172 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 1.7941176470588236) internal successors, (61), 33 states have internal predecessors, (61), 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 13:19:04,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:19:04,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:19:04,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:19:04,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:19:04,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-11-17 13:19:04,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:19:16,925 WARN L293 SmtUtils]: Spent 7.05s on a formula simplification. DAG size of input: 77 DAG size of output: 58 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-17 13:19:26,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:19:26,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:19:26,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:19:26,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:19:26,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-17 13:19:26,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-11-17 13:19:26,579 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-17 13:19:26,763 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 13:19:26,763 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_changeErr0ASSERT_VIOLATIONERROR_FUNCTION, whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 13:19:26,763 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 13:19:26,764 INFO L85 PathProgramCache]: Analyzing trace with hash 2070666507, now seen corresponding path program 4 times [2023-11-17 13:19:26,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 13:19:26,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553713038] [2023-11-17 13:19:26,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 13:19:26,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 13:19:27,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 13:19:28,747 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 13:19:28,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 13:19:28,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553713038] [2023-11-17 13:19:28,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [553713038] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 13:19:28,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [620892877] [2023-11-17 13:19:28,748 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-11-17 13:19:28,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 13:19:28,748 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 13:19:28,749 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-17 13:19:28,751 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-17 13:19:38,414 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-11-17 13:19:38,414 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-17 13:19:38,428 INFO L262 TraceCheckSpWp]: Trace formula consists of 1076 conjuncts, 51 conjunts are in the unsatisfiable core [2023-11-17 13:19:38,430 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 13:19:39,127 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 13:19:39,127 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 13:19:40,231 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 13:19:40,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [620892877] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 13:19:40,231 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 13:19:40,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 70 [2023-11-17 13:19:40,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579225051] [2023-11-17 13:19:40,232 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 13:19:40,232 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 71 states [2023-11-17 13:19:40,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 13:19:40,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2023-11-17 13:19:40,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1264, Invalid=3706, Unknown=0, NotChecked=0, Total=4970 [2023-11-17 13:19:40,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:19:40,235 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 13:19:40,236 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 71 states, 71 states have (on average 1.380281690140845) internal successors, (98), 70 states have internal predecessors, (98), 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 13:19:40,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:19:40,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:19:40,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:19:40,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:19:40,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-11-17 13:19:40,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-11-17 13:19:40,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:19:46,699 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (mod |c_ULTIMATE.start_external_alloc_~size#1| 4294967296))) (and (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 8) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 14) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 5) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 1) 4294967296) .cse0) (< (mod |c_ULTIMATE.start_external_alloc_~i~0#1| 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 3) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 6) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 2) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 21) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 15) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 16) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 18) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 13) 4294967296) .cse0) (< (mod (+ 19 |c_ULTIMATE.start_external_alloc_~i~0#1|) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 22) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 12) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 17) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 20) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 9) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 10) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 4) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 11) 4294967296) .cse0) (< (mod (+ 7 |c_ULTIMATE.start_external_alloc_~i~0#1|) 4294967296) .cse0))) is different from false [2023-11-17 13:19:48,707 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (mod |c_ULTIMATE.start_external_alloc_~size#1| 4294967296))) (and (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 8) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 14) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 5) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 1) 4294967296) .cse0) (< (mod |c_ULTIMATE.start_external_alloc_~i~0#1| 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 3) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 6) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 2) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 21) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 15) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 16) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 18) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 13) 4294967296) .cse0) (< (mod (+ 19 |c_ULTIMATE.start_external_alloc_~i~0#1|) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 12) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 17) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 20) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 9) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 10) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 4) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 11) 4294967296) .cse0) (< (mod (+ 7 |c_ULTIMATE.start_external_alloc_~i~0#1|) 4294967296) .cse0))) is different from false [2023-11-17 13:21:35,977 WARN L293 SmtUtils]: Spent 55.45s on a formula simplification. DAG size of input: 87 DAG size of output: 108 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-17 13:21:38,124 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-17 13:21:40,140 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (mod |c_ULTIMATE.start_external_alloc_~size#1| 4294967296))) (and (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 8) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 14) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 5) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 1) 4294967296) .cse0) (< (mod |c_ULTIMATE.start_external_alloc_~i~0#1| 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 3) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 6) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 2) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 15) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 16) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 18) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 13) 4294967296) .cse0) (< (mod (+ 19 |c_ULTIMATE.start_external_alloc_~i~0#1|) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 12) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 17) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 9) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 10) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 4) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 11) 4294967296) .cse0) (< (mod (+ 7 |c_ULTIMATE.start_external_alloc_~i~0#1|) 4294967296) .cse0))) is different from false [2023-11-17 13:23:07,373 WARN L293 SmtUtils]: Spent 36.73s on a formula simplification. DAG size of input: 79 DAG size of output: 98 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-17 13:23:10,361 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (mod |c_ULTIMATE.start_external_alloc_~size#1| 4294967296))) (and (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 8) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 14) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 5) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 1) 4294967296) .cse0) (< (mod |c_ULTIMATE.start_external_alloc_~i~0#1| 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 3) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 6) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 2) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 15) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 16) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 13) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 12) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 17) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 9) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 10) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 4) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 11) 4294967296) .cse0) (< (mod (+ 7 |c_ULTIMATE.start_external_alloc_~i~0#1|) 4294967296) .cse0))) is different from false [2023-11-17 13:23:58,033 WARN L293 SmtUtils]: Spent 22.69s on a formula simplification. DAG size of input: 71 DAG size of output: 88 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-17 13:24:00,038 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-17 13:24:45,198 WARN L293 SmtUtils]: Spent 20.21s on a formula simplification. DAG size of input: 67 DAG size of output: 83 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-17 13:25:19,956 WARN L293 SmtUtils]: Spent 16.38s on a formula simplification. DAG size of input: 63 DAG size of output: 78 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-17 13:26:01,195 WARN L293 SmtUtils]: Spent 16.64s on a formula simplification. DAG size of input: 59 DAG size of output: 73 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-17 13:26:26,037 WARN L293 SmtUtils]: Spent 11.17s on a formula simplification. DAG size of input: 55 DAG size of output: 68 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-17 13:27:13,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:27:13,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:27:13,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:27:13,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:27:13,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-17 13:27:13,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-11-17 13:27:13,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-11-17 13:27:13,951 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-17 13:27:14,112 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 13:27:14,112 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_changeErr0ASSERT_VIOLATIONERROR_FUNCTION, whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 13:27:14,113 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 13:27:14,113 INFO L85 PathProgramCache]: Analyzing trace with hash 57940875, now seen corresponding path program 5 times [2023-11-17 13:27:14,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 13:27:14,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488771851] [2023-11-17 13:27:14,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 13:27:14,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 13:27:14,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 13:27:17,613 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 13:27:17,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 13:27:17,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488771851] [2023-11-17 13:27:17,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [488771851] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 13:27:17,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1804899131] [2023-11-17 13:27:17,614 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-11-17 13:27:17,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 13:27:17,614 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 13:27:17,615 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-17 13:27:17,617 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process Received shutdown request... [2023-11-17 13:27:59,725 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-11-17 13:27:59,726 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-11-17 13:27:59,726 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 13:27:59,726 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-11-17 13:28:00,766 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 [2023-11-17 13:28:00,767 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Forceful destruction successful, exit code 0 [2023-11-17 13:28:00,775 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2023-11-17 13:28:00,933 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forcibly destroying the process [2023-11-17 13:28:00,940 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-17 13:28:00,940 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-17 13:28:00,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48] total 48 [2023-11-17 13:28:00,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714126754] [2023-11-17 13:28:00,940 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-17 13:28:00,941 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 137 [2023-11-17 13:28:00,942 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2023-11-17 13:28:00,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 13:28:00,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2023-11-17 13:28:00,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=2215, Unknown=0, NotChecked=0, Total=2352 [2023-11-17 13:28:00,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:28:00,943 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 13:28:00,943 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 1.510204081632653) internal successors, (74), 48 states have internal predecessors, (74), 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 13:28:00,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 13:28:00,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:28:00,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:28:00,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-17 13:28:00,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-11-17 13:28:00,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-11-17 13:28:00,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-11-17 13:28:00,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:28:00,944 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-17 13:28:00,944 WARN L619 AbstractCegarLoop]: Verification canceled: while executing Executor. [2023-11-17 13:28:00,944 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location whoop_wrapper_pc8736x_gpio_changeErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2023-11-17 13:28:00,944 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2023-11-17 13:28:00,945 INFO L445 BasicCegarLoop]: Path program histogram: [5, 1, 1, 1] [2023-11-17 13:28:00,945 INFO L307 ceAbstractionStarter]: Result for error location whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork0 was TIMEOUT,TIMEOUT (2/3) [2023-11-17 13:28:00,946 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-17 13:28:00,947 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-17 13:28:00,948 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 01:28:00 BasicIcfg [2023-11-17 13:28:00,948 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-17 13:28:00,949 INFO L158 Benchmark]: Toolchain (without parser) took 574625.93ms. Allocated memory was 278.9MB in the beginning and 472.9MB in the end (delta: 194.0MB). Free memory was 230.6MB in the beginning and 332.3MB in the end (delta: -101.7MB). Peak memory consumption was 92.7MB. Max. memory is 8.0GB. [2023-11-17 13:28:00,949 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 194.0MB. Free memory is still 147.0MB. There was no memory consumed. Max. memory is 8.0GB. [2023-11-17 13:28:00,949 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3688.35ms. Allocated memory is still 278.9MB. Free memory was 230.1MB in the beginning and 119.8MB in the end (delta: 110.3MB). Peak memory consumption was 133.7MB. Max. memory is 8.0GB. [2023-11-17 13:28:00,949 INFO L158 Benchmark]: Boogie Procedure Inliner took 139.07ms. Allocated memory is still 278.9MB. Free memory was 119.8MB in the beginning and 107.8MB in the end (delta: 12.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2023-11-17 13:28:00,949 INFO L158 Benchmark]: Boogie Preprocessor took 103.44ms. Allocated memory was 278.9MB in the beginning and 392.2MB in the end (delta: 113.2MB). Free memory was 107.8MB in the beginning and 325.0MB in the end (delta: -217.2MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2023-11-17 13:28:00,949 INFO L158 Benchmark]: RCFGBuilder took 1485.33ms. Allocated memory is still 392.2MB. Free memory was 325.0MB in the beginning and 194.6MB in the end (delta: 130.5MB). Peak memory consumption was 241.6MB. Max. memory is 8.0GB. [2023-11-17 13:28:00,950 INFO L158 Benchmark]: TraceAbstraction took 569204.14ms. Allocated memory was 392.2MB in the beginning and 472.9MB in the end (delta: 80.7MB). Free memory was 194.0MB in the beginning and 332.3MB in the end (delta: -138.3MB). There was no memory consumed. Max. memory is 8.0GB. [2023-11-17 13:28:00,950 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 194.0MB. Free memory is still 147.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 3688.35ms. Allocated memory is still 278.9MB. Free memory was 230.1MB in the beginning and 119.8MB in the end (delta: 110.3MB). Peak memory consumption was 133.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 139.07ms. Allocated memory is still 278.9MB. Free memory was 119.8MB in the beginning and 107.8MB in the end (delta: 12.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 103.44ms. Allocated memory was 278.9MB in the beginning and 392.2MB in the end (delta: 113.2MB). Free memory was 107.8MB in the beginning and 325.0MB in the end (delta: -217.2MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * RCFGBuilder took 1485.33ms. Allocated memory is still 392.2MB. Free memory was 325.0MB in the beginning and 194.6MB in the end (delta: 130.5MB). Peak memory consumption was 241.6MB. Max. memory is 8.0GB. * TraceAbstraction took 569204.14ms. Allocated memory was 392.2MB in the beginning and 472.9MB in the end (delta: 80.7MB). Free memory was 194.0MB in the beginning and 332.3MB in the end (delta: -138.3MB). There was no memory consumed. 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: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 404, independent: 341, independent conditional: 25, independent unconditional: 316, dependent: 59, dependent conditional: 53, dependent unconditional: 6, unknown: 4, unknown conditional: 2, unknown unconditional: 2] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 355, independent: 341, independent conditional: 25, independent unconditional: 316, dependent: 10, dependent conditional: 4, dependent unconditional: 6, unknown: 4, unknown conditional: 2, unknown unconditional: 2] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 355, independent: 341, independent conditional: 25, independent unconditional: 316, dependent: 10, dependent conditional: 4, dependent unconditional: 6, unknown: 4, unknown conditional: 2, unknown unconditional: 2] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 358, independent: 341, independent conditional: 0, independent unconditional: 341, dependent: 12, dependent conditional: 2, dependent unconditional: 10, unknown: 5, unknown conditional: 1, unknown unconditional: 4] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 358, independent: 341, independent conditional: 0, independent unconditional: 341, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 358, independent: 341, independent conditional: 0, independent unconditional: 341, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 326, independent: 317, independent conditional: 0, independent unconditional: 317, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 326, independent: 316, independent conditional: 0, independent unconditional: 316, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 10, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 10, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2250, independent: 11, independent conditional: 0, independent unconditional: 11, dependent: 106, dependent conditional: 0, dependent unconditional: 106, unknown: 2134, unknown conditional: 0, unknown unconditional: 2134] , Protected Queries: 0 ], Cache Queries: [ total: 358, independent: 24, independent conditional: 0, independent unconditional: 24, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 329, unknown conditional: 0, unknown unconditional: 329] , Statistics on independence cache: Total cache size (in pairs): 324, Positive cache size: 317, Positive conditional cache size: 0, Positive unconditional cache size: 317, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7, Unknown cache size: 2, Unknown conditional cache size: 0, Unknown unconditional cache size: 2, Eliminated conditions: 3, Maximal queried relation: 1, Independence queries for same thread: 49 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 2.3s, Number of persistent set computation: 41, Number of trivial persistent sets: 36, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 324, independent: 316, independent conditional: 0, independent unconditional: 316, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 404, independent: 341, independent conditional: 25, independent unconditional: 316, dependent: 59, dependent conditional: 53, dependent unconditional: 6, unknown: 4, unknown conditional: 2, unknown unconditional: 2] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 355, independent: 341, independent conditional: 25, independent unconditional: 316, dependent: 10, dependent conditional: 4, dependent unconditional: 6, unknown: 4, unknown conditional: 2, unknown unconditional: 2] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 355, independent: 341, independent conditional: 25, independent unconditional: 316, dependent: 10, dependent conditional: 4, dependent unconditional: 6, unknown: 4, unknown conditional: 2, unknown unconditional: 2] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 358, independent: 341, independent conditional: 0, independent unconditional: 341, dependent: 12, dependent conditional: 2, dependent unconditional: 10, unknown: 5, unknown conditional: 1, unknown unconditional: 4] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 358, independent: 341, independent conditional: 0, independent unconditional: 341, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 358, independent: 341, independent conditional: 0, independent unconditional: 341, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 326, independent: 317, independent conditional: 0, independent unconditional: 317, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 326, independent: 316, independent conditional: 0, independent unconditional: 316, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 10, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 10, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2250, independent: 11, independent conditional: 0, independent unconditional: 11, dependent: 106, dependent conditional: 0, dependent unconditional: 106, unknown: 2134, unknown conditional: 0, unknown unconditional: 2134] , Protected Queries: 0 ], Cache Queries: [ total: 358, independent: 24, independent conditional: 0, independent unconditional: 24, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 329, unknown conditional: 0, unknown unconditional: 329] , Statistics on independence cache: Total cache size (in pairs): 324, Positive cache size: 317, Positive conditional cache size: 0, Positive unconditional cache size: 317, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7, Unknown cache size: 2, Unknown conditional cache size: 0, Unknown unconditional cache size: 2, Eliminated conditions: 3, Maximal queried relation: 1, Independence queries for same thread: 49 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1260, independent: 927, independent conditional: 520, independent unconditional: 407, dependent: 320, dependent conditional: 309, dependent unconditional: 11, unknown: 13, unknown conditional: 10, unknown unconditional: 3] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 971, independent: 927, independent conditional: 520, independent unconditional: 407, dependent: 31, dependent conditional: 20, dependent unconditional: 11, unknown: 13, unknown conditional: 10, unknown unconditional: 3] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 971, independent: 927, independent conditional: 520, independent unconditional: 407, dependent: 31, dependent conditional: 20, dependent unconditional: 11, unknown: 13, unknown conditional: 10, unknown unconditional: 3] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1001, independent: 927, independent conditional: 0, independent unconditional: 927, dependent: 51, dependent conditional: 20, dependent unconditional: 31, unknown: 23, unknown conditional: 10, unknown unconditional: 13] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1001, independent: 927, independent conditional: 0, independent unconditional: 927, dependent: 51, dependent conditional: 0, dependent unconditional: 51, unknown: 23, unknown conditional: 0, unknown unconditional: 23] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1001, independent: 927, independent conditional: 0, independent unconditional: 927, dependent: 51, dependent conditional: 0, dependent unconditional: 51, unknown: 23, unknown conditional: 0, unknown unconditional: 23] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 422, independent: 407, independent conditional: 0, independent unconditional: 407, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 422, independent: 406, independent conditional: 0, independent unconditional: 406, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 16, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 16, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3396, independent: 10, independent conditional: 0, independent unconditional: 10, dependent: 144, dependent conditional: 0, dependent unconditional: 144, unknown: 3242, unknown conditional: 0, unknown unconditional: 3242] , Protected Queries: 0 ], Cache Queries: [ total: 1001, independent: 520, independent conditional: 0, independent unconditional: 520, dependent: 39, dependent conditional: 0, dependent unconditional: 39, unknown: 442, unknown conditional: 0, unknown unconditional: 442] , Statistics on independence cache: Total cache size (in pairs): 419, Positive cache size: 407, Positive conditional cache size: 0, Positive unconditional cache size: 407, Negative cache size: 12, Negative conditional cache size: 0, Negative unconditional cache size: 12, Unknown cache size: 3, Unknown conditional cache size: 0, Unknown unconditional cache size: 3, Eliminated conditions: 30, Maximal queried relation: 1, Independence queries for same thread: 289 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 3.4s, Number of persistent set computation: 28, Number of trivial persistent sets: 17, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 421, independent: 407, independent conditional: 0, independent unconditional: 407, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1260, independent: 927, independent conditional: 520, independent unconditional: 407, dependent: 320, dependent conditional: 309, dependent unconditional: 11, unknown: 13, unknown conditional: 10, unknown unconditional: 3] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 971, independent: 927, independent conditional: 520, independent unconditional: 407, dependent: 31, dependent conditional: 20, dependent unconditional: 11, unknown: 13, unknown conditional: 10, unknown unconditional: 3] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 971, independent: 927, independent conditional: 520, independent unconditional: 407, dependent: 31, dependent conditional: 20, dependent unconditional: 11, unknown: 13, unknown conditional: 10, unknown unconditional: 3] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1001, independent: 927, independent conditional: 0, independent unconditional: 927, dependent: 51, dependent conditional: 20, dependent unconditional: 31, unknown: 23, unknown conditional: 10, unknown unconditional: 13] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1001, independent: 927, independent conditional: 0, independent unconditional: 927, dependent: 51, dependent conditional: 0, dependent unconditional: 51, unknown: 23, unknown conditional: 0, unknown unconditional: 23] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1001, independent: 927, independent conditional: 0, independent unconditional: 927, dependent: 51, dependent conditional: 0, dependent unconditional: 51, unknown: 23, unknown conditional: 0, unknown unconditional: 23] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 422, independent: 407, independent conditional: 0, independent unconditional: 407, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 422, independent: 406, independent conditional: 0, independent unconditional: 406, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 16, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 16, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3396, independent: 10, independent conditional: 0, independent unconditional: 10, dependent: 144, dependent conditional: 0, dependent unconditional: 144, unknown: 3242, unknown conditional: 0, unknown unconditional: 3242] , Protected Queries: 0 ], Cache Queries: [ total: 1001, independent: 520, independent conditional: 0, independent unconditional: 520, dependent: 39, dependent conditional: 0, dependent unconditional: 39, unknown: 442, unknown conditional: 0, unknown unconditional: 442] , Statistics on independence cache: Total cache size (in pairs): 419, Positive cache size: 407, Positive conditional cache size: 0, Positive unconditional cache size: 407, Negative cache size: 12, Negative conditional cache size: 0, Negative unconditional cache size: 12, Unknown cache size: 3, Unknown conditional cache size: 0, Unknown unconditional cache size: 3, Eliminated conditions: 30, Maximal queried relation: 1, Independence queries for same thread: 289 - PositiveResult [Line: 174]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - TimeoutResultAtElement [Line: 174]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while executing Executor. - TimeoutResultAtElement [Line: 174]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while executing Executor. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 83 locations, 9 error locations. Started 1 CEGAR loops. OverallTime: 3.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 2.6s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 3, 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: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork0 with 1 thread instances CFG has 5 procedures, 83 locations, 9 error locations. Started 1 CEGAR loops. OverallTime: 565.8s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 5, EmptinessCheckTime: 481.3s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 102, 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: 0.3s SsaConstructionTime, 29.8s SatisfiabilityAnalysisTime, 8.2s InterpolantComputationTime, 444 NumberOfCodeBlocks, 444 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 576 ConstructedInterpolants, 0 QuantifiedInterpolants, 2518 SizeOfPredicates, 6 NumberOfNonLiveVariables, 4098 ConjunctsInSsa, 120 ConjunctsInUnsatCore, 17 InterpolantComputations, 3 PerfectInterpolantSequences, 1/2040 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