/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking RANDOM --traceabstraction.probability.for.random.criterion 50 --traceabstraction.seed.for.random.criterion 213 --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 10 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_get.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-05 22:31:28,480 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-05 22:31:28,546 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-05 22:31:28,551 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-05 22:31:28,551 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-05 22:31:28,578 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-05 22:31:28,579 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-05 22:31:28,579 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-05 22:31:28,579 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-05 22:31:28,580 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-05 22:31:28,580 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-05 22:31:28,581 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-05 22:31:28,581 INFO L153 SettingsManager]: * Use SBE=true [2024-04-05 22:31:28,581 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-05 22:31:28,582 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-05 22:31:28,582 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-05 22:31:28,582 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-05 22:31:28,582 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-05 22:31:28,583 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-05 22:31:28,583 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-05 22:31:28,583 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-05 22:31:28,587 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-05 22:31:28,588 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-05 22:31:28,588 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-05 22:31:28,592 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-05 22:31:28,592 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-05 22:31:28,592 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-05 22:31:28,592 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-05 22:31:28,592 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-05 22:31:28,593 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-05 22:31:28,594 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-05 22:31:28,594 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-05 22:31:28,594 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-05 22:31:28,594 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-05 22:31:28,595 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-05 22:31:28,595 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-05 22:31:28,595 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-05 22:31:28,595 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-05 22:31:28,595 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-05 22:31:28,595 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/UGemCutter-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: probability for random criterion as percentage -> 50 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: seed for random criterion -> 213 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 10 [2024-04-05 22:31:28,904 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-05 22:31:28,941 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-05 22:31:28,943 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-05 22:31:28,945 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-05 22:31:28,945 INFO L274 PluginConnector]: CDTParser initialized [2024-04-05 22:31:28,946 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_get.i [2024-04-05 22:31:30,112 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-05 22:31:30,588 INFO L384 CDTParser]: Found 1 translation units. [2024-04-05 22:31:30,589 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_get.i [2024-04-05 22:31:30,645 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/be07f3b65/e575353f36d54abf9fca6af82f622720/FLAGab7277718 [2024-04-05 22:31:30,665 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/be07f3b65/e575353f36d54abf9fca6af82f622720 [2024-04-05 22:31:30,668 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-05 22:31:30,670 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-05 22:31:30,673 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-05 22:31:30,673 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-05 22:31:30,678 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-05 22:31:30,679 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 10:31:30" (1/1) ... [2024-04-05 22:31:30,681 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54d7229d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 10:31:30, skipping insertion in model container [2024-04-05 22:31:30,682 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 10:31:30" (1/1) ... [2024-04-05 22:31:30,794 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-05 22:31:31,184 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_get.i[5469,5482] [2024-04-05 22:31:34,404 WARN L1590 CHandler]: Possible shadowing of function iminor [2024-04-05 22:31:34,405 WARN L1590 CHandler]: Possible shadowing of function iminor [2024-04-05 22:31:34,468 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-05 22:31:34,488 INFO L202 MainTranslator]: Completed pre-run [2024-04-05 22:31:34,508 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_get.i[5469,5482] [2024-04-05 22:31:34,575 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] [2024-04-05 22:31:34,577 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] [2024-04-05 22:31:34,577 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] [2024-04-05 22:31:34,577 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] [2024-04-05 22:31:34,675 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] [2024-04-05 22:31:34,713 WARN L1590 CHandler]: Possible shadowing of function iminor [2024-04-05 22:31:34,714 WARN L1590 CHandler]: Possible shadowing of function iminor [2024-04-05 22:31:34,729 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-05 22:31:35,318 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-04-05 22:31:35,319 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-04-05 22:31:35,319 WARN L675 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2024-04-05 22:31:35,319 WARN L675 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2024-04-05 22:31:35,319 WARN L675 CHandler]: The function ____ilog2_NaN is called, but not defined or handled by StandardFunctionHandler. [2024-04-05 22:31:35,319 WARN L675 CHandler]: The function _whoop_init is called, but not defined or handled by StandardFunctionHandler. [2024-04-05 22:31:35,326 INFO L206 MainTranslator]: Completed translation [2024-04-05 22:31:35,327 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 10:31:35 WrapperNode [2024-04-05 22:31:35,327 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-05 22:31:35,328 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-05 22:31:35,328 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-05 22:31:35,328 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-05 22:31:35,335 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 10:31:35" (1/1) ... [2024-04-05 22:31:35,439 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 10:31:35" (1/1) ... [2024-04-05 22:31:35,518 INFO L138 Inliner]: procedures = 1393, calls = 1529, calls flagged for inlining = 392, calls inlined = 54, statements flattened = 736 [2024-04-05 22:31:35,519 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-05 22:31:35,519 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-05 22:31:35,519 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-05 22:31:35,519 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-05 22:31:35,537 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 10:31:35" (1/1) ... [2024-04-05 22:31:35,538 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 10:31:35" (1/1) ... [2024-04-05 22:31:35,551 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 10:31:35" (1/1) ... [2024-04-05 22:31:35,553 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 10:31:35" (1/1) ... [2024-04-05 22:31:35,583 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 10:31:35" (1/1) ... [2024-04-05 22:31:35,604 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 10:31:35" (1/1) ... [2024-04-05 22:31:35,610 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 10:31:35" (1/1) ... [2024-04-05 22:31:35,614 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 10:31:35" (1/1) ... [2024-04-05 22:31:35,640 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-05 22:31:35,641 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-05 22:31:35,641 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-05 22:31:35,641 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-05 22:31:35,642 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 10:31:35" (1/1) ... [2024-04-05 22:31:35,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-05 22:31:35,659 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 22:31:35,675 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-04-05 22:31:35,694 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-04-05 22:31:35,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-04-05 22:31:35,739 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-04-05 22:31:35,739 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-05 22:31:35,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-04-05 22:31:35,739 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_change [2024-04-05 22:31:35,740 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_change [2024-04-05 22:31:35,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-05 22:31:35,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-05 22:31:35,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-04-05 22:31:35,741 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_get [2024-04-05 22:31:35,741 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_get [2024-04-05 22:31:35,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-05 22:31:35,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-04-05 22:31:35,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-05 22:31:35,741 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-05 22:31:35,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-04-05 22:31:35,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-05 22:31:35,744 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-05 22:31:36,125 INFO L241 CfgBuilder]: Building ICFG [2024-04-05 22:31:36,127 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-05 22:31:36,968 INFO L282 CfgBuilder]: Performing block encoding [2024-04-05 22:31:37,001 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-05 22:31:37,001 INFO L309 CfgBuilder]: Removed 27 assume(true) statements. [2024-04-05 22:31:37,003 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 10:31:37 BoogieIcfgContainer [2024-04-05 22:31:37,007 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-05 22:31:37,010 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-05 22:31:37,010 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-05 22:31:37,013 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-05 22:31:37,013 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.04 10:31:30" (1/3) ... [2024-04-05 22:31:37,014 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a01533b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 10:31:37, skipping insertion in model container [2024-04-05 22:31:37,014 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 10:31:35" (2/3) ... [2024-04-05 22:31:37,014 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a01533b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 10:31:37, skipping insertion in model container [2024-04-05 22:31:37,014 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 10:31:37" (3/3) ... [2024-04-05 22:31:37,015 INFO L112 eAbstractionObserver]: Analyzing ICFG char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_get.i [2024-04-05 22:31:37,023 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-05 22:31:37,031 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-05 22:31:37,032 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-04-05 22:31:37,032 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-05 22:31:37,144 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-04-05 22:31:37,211 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-05 22:31:37,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-05 22:31:37,211 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 22:31:37,216 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-04-05 22:31:37,219 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-04-05 22:31:37,248 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-05 22:31:37,261 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 22:31:37,263 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-05 22:31:37,269 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;@2c0d9222, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=10, mConComCheckerRandomProb=50, mConComCheckerRandomSeed=213 [2024-04-05 22:31:37,270 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-04-05 22:31:37,635 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting whoop_wrapper_pc8736x_gpio_changeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-04-05 22:31:37,637 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 22:31:37,637 INFO L85 PathProgramCache]: Analyzing trace with hash 1521836280, now seen corresponding path program 1 times [2024-04-05 22:31:37,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 22:31:37,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382561458] [2024-04-05 22:31:37,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 22:31:37,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 22:31:37,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 22:31:38,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 22:31:38,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 22:31:38,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382561458] [2024-04-05 22:31:38,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382561458] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 22:31:38,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 22:31:38,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-05 22:31:38,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350409758] [2024-04-05 22:31:38,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 22:31:38,236 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-04-05 22:31:38,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 22:31:38,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-05 22:31:38,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-04-05 22:31:38,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 22:31:38,266 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 22:31:38,268 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 137.5) internal successors, (275), 2 states have internal predecessors, (275), 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) [2024-04-05 22:31:38,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 22:31:38,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 22:31:38,338 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-05 22:31:38,339 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting whoop_wrapper_pc8736x_gpio_changeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-04-05 22:31:38,339 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 22:31:38,340 INFO L85 PathProgramCache]: Analyzing trace with hash 307180471, now seen corresponding path program 1 times [2024-04-05 22:31:38,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 22:31:38,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114193196] [2024-04-05 22:31:38,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 22:31:38,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 22:31:38,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 22:31:38,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 22:31:38,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 22:31:38,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114193196] [2024-04-05 22:31:38,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2114193196] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 22:31:38,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 22:31:38,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-04-05 22:31:38,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28167787] [2024-04-05 22:31:38,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 22:31:38,930 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-04-05 22:31:38,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 22:31:38,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-04-05 22:31:38,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-04-05 22:31:38,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 22:31:38,934 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 22:31:38,935 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 30.444444444444443) internal successors, (274), 9 states have internal predecessors, (274), 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) [2024-04-05 22:31:38,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 22:31:38,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 22:31:39,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 22:31:39,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 22:31:39,185 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-04-05 22:31:39,186 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting whoop_wrapper_pc8736x_gpio_changeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-04-05 22:31:39,186 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 22:31:39,186 INFO L85 PathProgramCache]: Analyzing trace with hash 933662934, now seen corresponding path program 1 times [2024-04-05 22:31:39,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 22:31:39,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3227110] [2024-04-05 22:31:39,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 22:31:39,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 22:31:39,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 22:31:39,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 22:31:39,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 22:31:39,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3227110] [2024-04-05 22:31:39,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3227110] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 22:31:39,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 22:31:39,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-04-05 22:31:39,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983328725] [2024-04-05 22:31:39,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 22:31:39,788 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-04-05 22:31:39,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 22:31:39,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-04-05 22:31:39,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-04-05 22:31:39,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 22:31:39,794 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 22:31:39,795 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 59.0) internal successors, (295), 5 states have internal predecessors, (295), 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) [2024-04-05 22:31:39,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 22:31:39,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 22:31:39,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 22:31:39,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 22:31:39,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 22:31:39,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-05 22:31:39,871 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-04-05 22:31:39,871 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting whoop_wrapper_pc8736x_gpio_changeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-04-05 22:31:39,872 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 22:31:39,872 INFO L85 PathProgramCache]: Analyzing trace with hash 1763347010, now seen corresponding path program 1 times [2024-04-05 22:31:39,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 22:31:39,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876392803] [2024-04-05 22:31:39,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 22:31:39,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 22:31:40,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 22:31:40,578 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 22:31:40,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 22:31:40,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876392803] [2024-04-05 22:31:40,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1876392803] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 22:31:40,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1342354782] [2024-04-05 22:31:40,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 22:31:40,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 22:31:40,585 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 22:31:40,588 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 22:31:40,609 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-04-05 22:31:41,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 22:31:41,048 INFO L262 TraceCheckSpWp]: Trace formula consists of 1039 conjuncts, 12 conjunts are in the unsatisfiable core [2024-04-05 22:31:41,065 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 22:31:41,160 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2024-04-05 22:31:41,198 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-05 22:31:41,199 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-04-05 22:31:41,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1342354782] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 22:31:41,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-04-05 22:31:41,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2024-04-05 22:31:41,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304532904] [2024-04-05 22:31:41,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 22:31:41,200 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-05 22:31:41,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 22:31:41,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-05 22:31:41,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-04-05 22:31:41,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 22:31:41,201 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 22:31:41,202 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 43.285714285714285) internal successors, (303), 7 states have internal predecessors, (303), 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) [2024-04-05 22:31:41,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 22:31:41,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 22:31:41,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-05 22:31:41,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 22:31:41,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 22:31:41,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 22:31:41,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-05 22:31:41,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-05 22:31:41,440 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-04-05 22:31:41,636 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 22:31:41,637 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-04-05 22:31:41,637 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 22:31:41,638 INFO L85 PathProgramCache]: Analyzing trace with hash -887334848, now seen corresponding path program 1 times [2024-04-05 22:31:41,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 22:31:41,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511415188] [2024-04-05 22:31:41,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 22:31:41,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 22:31:41,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 22:31:42,316 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 22:31:42,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 22:31:42,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511415188] [2024-04-05 22:31:42,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511415188] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 22:31:42,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1020213400] [2024-04-05 22:31:42,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 22:31:42,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 22:31:42,319 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 22:31:42,321 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 22:31:42,350 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-04-05 22:31:42,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 22:31:43,007 INFO L262 TraceCheckSpWp]: Trace formula consists of 1210 conjuncts, 10 conjunts are in the unsatisfiable core [2024-04-05 22:31:43,017 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 22:31:43,082 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 22:31:43,082 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 22:31:43,177 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 22:31:43,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1020213400] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 22:31:43,178 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 22:31:43,178 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 7] total 12 [2024-04-05 22:31:43,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885721296] [2024-04-05 22:31:43,178 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 22:31:43,179 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-04-05 22:31:43,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 22:31:43,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-04-05 22:31:43,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-04-05 22:31:43,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 22:31:43,183 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 22:31:43,183 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 35.666666666666664) internal successors, (428), 12 states have internal predecessors, (428), 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) [2024-04-05 22:31:43,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 22:31:43,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 22:31:43,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-05 22:31:43,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-05 22:31:43,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 22:31:43,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 22:31:43,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 22:31:43,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-05 22:31:43,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-05 22:31:43,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 22:31:43,372 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-04-05 22:31:43,571 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 22:31:43,572 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-04-05 22:31:43,572 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 22:31:43,573 INFO L85 PathProgramCache]: Analyzing trace with hash 220213372, now seen corresponding path program 2 times [2024-04-05 22:31:43,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 22:31:43,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833744237] [2024-04-05 22:31:43,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 22:31:43,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 22:31:43,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 22:31:45,112 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 22:31:45,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 22:31:45,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833744237] [2024-04-05 22:31:45,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833744237] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 22:31:45,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1748623446] [2024-04-05 22:31:45,113 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-05 22:31:45,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 22:31:45,113 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 22:31:45,116 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 22:31:45,134 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-04-05 22:31:46,045 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-04-05 22:31:46,045 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 22:31:46,053 INFO L262 TraceCheckSpWp]: Trace formula consists of 1188 conjuncts, 25 conjunts are in the unsatisfiable core [2024-04-05 22:31:46,060 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 22:31:46,216 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-04-05 22:31:46,270 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2024-04-05 22:31:46,326 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-04-05 22:31:46,326 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-04-05 22:31:46,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1748623446] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 22:31:46,326 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-04-05 22:31:46,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2024-04-05 22:31:46,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901687126] [2024-04-05 22:31:46,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 22:31:46,328 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-04-05 22:31:46,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 22:31:46,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-04-05 22:31:46,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=296, Unknown=0, NotChecked=0, Total=342 [2024-04-05 22:31:46,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 22:31:46,329 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 22:31:46,330 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 40.8) internal successors, (408), 10 states have internal predecessors, (408), 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) [2024-04-05 22:31:46,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 22:31:46,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 22:31:46,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-05 22:31:46,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-05 22:31:46,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 22:31:46,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 22:31:51,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 22:31:51,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 22:31:51,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-05 22:31:51,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-05 22:31:51,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 22:31:51,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 22:31:51,756 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-04-05 22:31:51,956 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 22:31:51,957 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-04-05 22:31:51,957 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 22:31:51,957 INFO L85 PathProgramCache]: Analyzing trace with hash -406399069, now seen corresponding path program 1 times [2024-04-05 22:31:51,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 22:31:51,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907558855] [2024-04-05 22:31:51,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 22:31:51,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 22:31:52,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 22:31:52,727 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-04-05 22:31:52,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 22:31:52,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907558855] [2024-04-05 22:31:52,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [907558855] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 22:31:52,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 22:31:52,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-04-05 22:31:52,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021147459] [2024-04-05 22:31:52,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 22:31:52,729 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-04-05 22:31:52,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 22:31:52,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-04-05 22:31:52,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-04-05 22:31:52,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 22:31:52,731 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 22:31:52,731 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 44.0) internal successors, (264), 6 states have internal predecessors, (264), 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) [2024-04-05 22:31:52,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 22:31:52,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 22:31:52,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-05 22:31:52,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-05 22:31:52,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 22:31:52,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 22:31:52,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 22:31:54,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 22:31:54,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-05 22:31:54,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-05 22:31:54,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-05 22:31:54,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-05 22:31:54,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 22:31:54,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-05 22:31:54,571 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 7 remaining) [2024-04-05 22:31:54,572 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 7 remaining) [2024-04-05 22:31:54,573 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2024-04-05 22:31:54,573 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 7 remaining) [2024-04-05 22:31:54,573 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONERROR_FUNCTION (2 of 7 remaining) [2024-04-05 22:31:54,573 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 7 remaining) [2024-04-05 22:31:54,573 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONERROR_FUNCTION (0 of 7 remaining) [2024-04-05 22:31:54,573 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-04-05 22:31:54,577 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1] [2024-04-05 22:31:54,581 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-04-05 22:31:54,581 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-04-05 22:31:54,585 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.04 10:31:54 BasicIcfg [2024-04-05 22:31:54,585 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-04-05 22:31:54,585 INFO L158 Benchmark]: Toolchain (without parser) took 23915.37ms. Allocated memory was 287.3MB in the beginning and 808.5MB in the end (delta: 521.1MB). Free memory was 205.1MB in the beginning and 598.0MB in the end (delta: -392.9MB). Peak memory consumption was 129.8MB. Max. memory is 8.0GB. [2024-04-05 22:31:54,587 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 287.3MB. Free memory is still 255.7MB. There was no memory consumed. Max. memory is 8.0GB. [2024-04-05 22:31:54,587 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4653.96ms. Allocated memory was 287.3MB in the beginning and 401.6MB in the end (delta: 114.3MB). Free memory was 204.8MB in the beginning and 291.9MB in the end (delta: -87.1MB). Peak memory consumption was 114.6MB. Max. memory is 8.0GB. [2024-04-05 22:31:54,589 INFO L158 Benchmark]: Boogie Procedure Inliner took 190.92ms. Allocated memory is still 401.6MB. Free memory was 291.3MB in the beginning and 279.8MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2024-04-05 22:31:54,589 INFO L158 Benchmark]: Boogie Preprocessor took 120.79ms. Allocated memory is still 401.6MB. Free memory was 279.8MB in the beginning and 273.5MB in the end (delta: 6.4MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2024-04-05 22:31:54,589 INFO L158 Benchmark]: RCFGBuilder took 1366.67ms. Allocated memory is still 401.6MB. Free memory was 273.5MB in the beginning and 201.7MB in the end (delta: 71.8MB). Peak memory consumption was 71.3MB. Max. memory is 8.0GB. [2024-04-05 22:31:54,590 INFO L158 Benchmark]: TraceAbstraction took 17575.12ms. Allocated memory was 401.6MB in the beginning and 808.5MB in the end (delta: 406.8MB). Free memory was 200.1MB in the beginning and 598.0MB in the end (delta: -397.9MB). Peak memory consumption was 9.0MB. Max. memory is 8.0GB. [2024-04-05 22:31:54,591 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 287.3MB. Free memory is still 255.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 4653.96ms. Allocated memory was 287.3MB in the beginning and 401.6MB in the end (delta: 114.3MB). Free memory was 204.8MB in the beginning and 291.9MB in the end (delta: -87.1MB). Peak memory consumption was 114.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 190.92ms. Allocated memory is still 401.6MB. Free memory was 291.3MB in the beginning and 279.8MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 120.79ms. Allocated memory is still 401.6MB. Free memory was 279.8MB in the beginning and 273.5MB in the end (delta: 6.4MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * RCFGBuilder took 1366.67ms. Allocated memory is still 401.6MB. Free memory was 273.5MB in the beginning and 201.7MB in the end (delta: 71.8MB). Peak memory consumption was 71.3MB. Max. memory is 8.0GB. * TraceAbstraction took 17575.12ms. Allocated memory was 401.6MB in the beginning and 808.5MB in the end (delta: 406.8MB). Free memory was 200.1MB in the beginning and 598.0MB in the end (delta: -397.9MB). Peak memory consumption was 9.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "b %b0, %1\n" : "+q" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "w %w0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "l %0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "q %q0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 5814]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 178341, independent: 167874, independent conditional: 167665, independent unconditional: 209, dependent: 10467, dependent conditional: 10352, dependent unconditional: 115, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 168058, independent: 167874, independent conditional: 167665, independent unconditional: 209, dependent: 184, dependent conditional: 184, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 168058, independent: 167874, independent conditional: 167665, independent unconditional: 209, dependent: 184, dependent conditional: 184, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 168058, independent: 167874, independent conditional: 167665, independent unconditional: 209, dependent: 184, dependent conditional: 184, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 168606, independent: 167874, independent conditional: 5064, independent unconditional: 162810, dependent: 732, dependent conditional: 364, dependent unconditional: 368, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 168606, independent: 167874, independent conditional: 990, independent unconditional: 166884, dependent: 732, dependent conditional: 180, dependent unconditional: 552, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 168606, independent: 167874, independent conditional: 990, independent unconditional: 166884, dependent: 732, dependent conditional: 180, dependent unconditional: 552, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7267, independent: 7260, independent conditional: 18, independent unconditional: 7242, dependent: 7, dependent conditional: 3, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7267, independent: 7260, independent conditional: 0, independent unconditional: 7260, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 7, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 7, dependent conditional: 3, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 7, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 7, dependent conditional: 3, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 52, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 52, dependent conditional: 9, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 168606, independent: 160614, independent conditional: 972, independent unconditional: 159642, dependent: 725, dependent conditional: 177, dependent unconditional: 548, unknown: 7267, unknown conditional: 21, unknown unconditional: 7246] , Statistics on independence cache: Total cache size (in pairs): 7267, Positive cache size: 7260, Positive conditional cache size: 18, Positive unconditional cache size: 7242, Negative cache size: 7, Negative conditional cache size: 3, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 4258, Maximal queried relation: 2, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 168606, independent: 167874, independent conditional: 5064, independent unconditional: 162810, dependent: 732, dependent conditional: 364, dependent unconditional: 368, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 168606, independent: 167874, independent conditional: 990, independent unconditional: 166884, dependent: 732, dependent conditional: 180, dependent unconditional: 552, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 168606, independent: 167874, independent conditional: 990, independent unconditional: 166884, dependent: 732, dependent conditional: 180, dependent unconditional: 552, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7267, independent: 7260, independent conditional: 18, independent unconditional: 7242, dependent: 7, dependent conditional: 3, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7267, independent: 7260, independent conditional: 0, independent unconditional: 7260, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 7, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 7, dependent conditional: 3, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 7, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 7, dependent conditional: 3, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 52, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 52, dependent conditional: 9, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 168606, independent: 160614, independent conditional: 972, independent unconditional: 159642, dependent: 725, dependent conditional: 177, dependent unconditional: 548, unknown: 7267, unknown conditional: 21, unknown unconditional: 7246] , Statistics on independence cache: Total cache size (in pairs): 7267, Positive cache size: 7260, Positive conditional cache size: 18, Positive unconditional cache size: 7242, Negative cache size: 7, Negative conditional cache size: 3, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 4258 ], Independence queries for same thread: 10283 - 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 - 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 - 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 - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 1036 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 17.4s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 8.4s, 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: 66, 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, 1.8s SatisfiabilityAnalysisTime, 4.8s InterpolantComputationTime, 3418 NumberOfCodeBlocks, 3386 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 3815 ConstructedInterpolants, 1 QuantifiedInterpolants, 4963 SizeOfPredicates, 23 NumberOfNonLiveVariables, 3437 ConjunctsInSsa, 47 ConjunctsInUnsatCore, 11 InterpolantComputations, 6 PerfectInterpolantSequences, 105/161 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 - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-04-05 22:31:54,610 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-04-05 22:31:54,813 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...