/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 BOTH --traceabstraction.criterion.for.conditional.commutativity.checking SLEEP_SET --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_configure.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-06 07:57:12,344 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-06 07:57:12,410 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-06 07:57:12,414 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-06 07:57:12,415 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-06 07:57:12,437 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-06 07:57:12,437 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-06 07:57:12,437 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-06 07:57:12,438 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-06 07:57:12,441 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-06 07:57:12,441 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-06 07:57:12,442 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-06 07:57:12,442 INFO L153 SettingsManager]: * Use SBE=true [2024-04-06 07:57:12,443 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-06 07:57:12,443 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-06 07:57:12,444 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-06 07:57:12,444 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-06 07:57:12,444 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-06 07:57:12,444 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-06 07:57:12,444 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-06 07:57:12,444 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-06 07:57:12,445 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-06 07:57:12,445 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-06 07:57:12,445 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-06 07:57:12,445 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-06 07:57:12,445 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-06 07:57:12,445 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-06 07:57:12,445 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-06 07:57:12,446 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-06 07:57:12,446 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-06 07:57:12,447 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-06 07:57:12,447 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-06 07:57:12,447 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-06 07:57:12,447 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-06 07:57:12,447 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-06 07:57:12,447 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-06 07:57:12,447 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-06 07:57:12,447 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-06 07:57:12,448 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-06 07:57:12,448 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> BOTH Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> SLEEP_SET Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 10 [2024-04-06 07:57:12,652 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-06 07:57:12,673 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-06 07:57:12,675 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-06 07:57:12,676 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-06 07:57:12,676 INFO L274 PluginConnector]: CDTParser initialized [2024-04-06 07:57:12,677 INFO L431 ainManager$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_configure.i [2024-04-06 07:57:13,925 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-06 07:57:14,317 INFO L384 CDTParser]: Found 1 translation units. [2024-04-06 07:57:14,318 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_configure.i [2024-04-06 07:57:14,353 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/b13b959bf/7f47e5808eb84b6bbcb69aef55092f8b/FLAG5f411b020 [2024-04-06 07:57:14,369 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/b13b959bf/7f47e5808eb84b6bbcb69aef55092f8b [2024-04-06 07:57:14,372 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-06 07:57:14,373 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-06 07:57:14,376 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-06 07:57:14,376 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-06 07:57:14,380 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-06 07:57:14,381 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.04 07:57:14" (1/1) ... [2024-04-06 07:57:14,381 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ad2001b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 07:57:14, skipping insertion in model container [2024-04-06 07:57:14,382 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.04 07:57:14" (1/1) ... [2024-04-06 07:57:14,481 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-06 07:57:14,731 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_configure.i[5469,5482] [2024-04-06 07:57:17,615 WARN L1590 CHandler]: Possible shadowing of function iminor [2024-04-06 07:57:17,616 WARN L1590 CHandler]: Possible shadowing of function iminor [2024-04-06 07:57:17,654 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-06 07:57:17,667 INFO L202 MainTranslator]: Completed pre-run [2024-04-06 07:57:17,677 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_configure.i[5469,5482] [2024-04-06 07:57:17,732 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] [2024-04-06 07:57:17,734 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] [2024-04-06 07:57:17,734 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] [2024-04-06 07:57:17,734 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] [2024-04-06 07:57:17,946 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] [2024-04-06 07:57:17,974 WARN L1590 CHandler]: Possible shadowing of function iminor [2024-04-06 07:57:17,974 WARN L1590 CHandler]: Possible shadowing of function iminor [2024-04-06 07:57:17,984 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-06 07:57:18,492 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-04-06 07:57:18,492 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-04-06 07:57:18,493 WARN L675 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2024-04-06 07:57:18,493 WARN L675 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2024-04-06 07:57:18,493 WARN L675 CHandler]: The function ____ilog2_NaN is called, but not defined or handled by StandardFunctionHandler. [2024-04-06 07:57:18,493 WARN L675 CHandler]: The function _whoop_init is called, but not defined or handled by StandardFunctionHandler. [2024-04-06 07:57:18,499 INFO L206 MainTranslator]: Completed translation [2024-04-06 07:57:18,499 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 07:57:18 WrapperNode [2024-04-06 07:57:18,500 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-06 07:57:18,501 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-06 07:57:18,501 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-06 07:57:18,501 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-06 07:57:18,506 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 07:57:18" (1/1) ... [2024-04-06 07:57:18,596 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 07:57:18" (1/1) ... [2024-04-06 07:57:18,679 INFO L138 Inliner]: procedures = 1393, calls = 1529, calls flagged for inlining = 392, calls inlined = 75, statements flattened = 839 [2024-04-06 07:57:18,680 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-06 07:57:18,680 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-06 07:57:18,680 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-06 07:57:18,681 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-06 07:57:18,687 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 07:57:18" (1/1) ... [2024-04-06 07:57:18,688 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 07:57:18" (1/1) ... [2024-04-06 07:57:18,698 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 07:57:18" (1/1) ... [2024-04-06 07:57:18,698 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 07:57:18" (1/1) ... [2024-04-06 07:57:18,731 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 07:57:18" (1/1) ... [2024-04-06 07:57:18,741 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 07:57:18" (1/1) ... [2024-04-06 07:57:18,745 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 07:57:18" (1/1) ... [2024-04-06 07:57:18,748 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 07:57:18" (1/1) ... [2024-04-06 07:57:18,771 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-06 07:57:18,771 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-06 07:57:18,771 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-06 07:57:18,772 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-06 07:57:18,772 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 07:57:18" (1/1) ... [2024-04-06 07:57:18,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-06 07:57:18,790 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 07:57:18,816 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) [2024-04-06 07:57:18,834 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 [2024-04-06 07:57:18,857 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-04-06 07:57:18,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-04-06 07:57:18,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-06 07:57:18,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-04-06 07:57:18,858 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_change [2024-04-06 07:57:18,858 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_change [2024-04-06 07:57:18,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-06 07:57:18,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-06 07:57:18,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-04-06 07:57:18,859 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-06 07:57:18,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-04-06 07:57:18,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-06 07:57:18,859 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_configure [2024-04-06 07:57:18,859 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_configure [2024-04-06 07:57:18,859 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-04-06 07:57:18,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-06 07:57:18,860 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-04-06 07:57:18,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-04-06 07:57:18,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-06 07:57:18,863 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-06 07:57:19,264 INFO L241 CfgBuilder]: Building ICFG [2024-04-06 07:57:19,267 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-06 07:57:19,920 INFO L282 CfgBuilder]: Performing block encoding [2024-04-06 07:57:19,950 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-06 07:57:19,950 INFO L309 CfgBuilder]: Removed 25 assume(true) statements. [2024-04-06 07:57:19,951 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 07:57:19 BoogieIcfgContainer [2024-04-06 07:57:19,951 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-06 07:57:19,953 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-06 07:57:19,953 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-06 07:57:19,955 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-06 07:57:19,955 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.04 07:57:14" (1/3) ... [2024-04-06 07:57:19,956 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ed57613 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.04 07:57:19, skipping insertion in model container [2024-04-06 07:57:19,956 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 07:57:18" (2/3) ... [2024-04-06 07:57:19,956 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ed57613 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.04 07:57:19, skipping insertion in model container [2024-04-06 07:57:19,956 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 07:57:19" (3/3) ... [2024-04-06 07:57:19,957 INFO L112 eAbstractionObserver]: Analyzing ICFG char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_configure.i [2024-04-06 07:57:19,963 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-06 07:57:19,970 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-06 07:57:19,971 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-04-06 07:57:19,971 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-06 07:57:20,059 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-04-06 07:57:20,096 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-06 07:57:20,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-06 07:57:20,097 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 07:57:20,099 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) [2024-04-06 07:57:20,103 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 [2024-04-06 07:57:20,128 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-06 07:57:20,138 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 07:57:20,139 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-06 07:57:20,204 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;@7de90938, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=BOTH, mConComCheckerCriterion=SLEEP_SET, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=10, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123 [2024-04-06 07:57:20,204 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-04-06 07:57:20,441 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)] === [2024-04-06 07:57:20,442 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 07:57:20,443 INFO L85 PathProgramCache]: Analyzing trace with hash 1222302897, now seen corresponding path program 1 times [2024-04-06 07:57:20,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 07:57:20,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505611075] [2024-04-06 07:57:20,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 07:57:20,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 07:57:20,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 07:57:21,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 07:57:21,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 07:57:21,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505611075] [2024-04-06 07:57:21,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [505611075] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 07:57:21,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 07:57:21,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-06 07:57:21,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53006037] [2024-04-06 07:57:21,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 07:57:21,049 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-04-06 07:57:21,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 07:57:21,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-06 07:57:21,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-04-06 07:57:21,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 07:57:21,117 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 07:57:21,118 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 206.5) internal successors, (413), 2 states have internal predecessors, (413), 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) [2024-04-06 07:57:21,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 07:57:21,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 07:57:21,198 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-06 07:57:21,199 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)] === [2024-04-06 07:57:21,200 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 07:57:21,200 INFO L85 PathProgramCache]: Analyzing trace with hash -940962004, now seen corresponding path program 1 times [2024-04-06 07:57:21,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 07:57:21,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225615572] [2024-04-06 07:57:21,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 07:57:21,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 07:57:21,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 07:57:21,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 07:57:21,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 07:57:21,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225615572] [2024-04-06 07:57:21,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1225615572] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 07:57:21,771 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 07:57:21,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-04-06 07:57:21,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941777437] [2024-04-06 07:57:21,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 07:57:21,773 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-04-06 07:57:21,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 07:57:21,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-04-06 07:57:21,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-04-06 07:57:21,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 07:57:21,828 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 07:57:21,828 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 45.77777777777778) internal successors, (412), 9 states have internal predecessors, (412), 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) [2024-04-06 07:57:21,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 07:57:21,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 07:57:21,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 07:57:21,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 07:57:21,985 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-04-06 07:57:21,985 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)] === [2024-04-06 07:57:21,986 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 07:57:21,987 INFO L85 PathProgramCache]: Analyzing trace with hash 1480243170, now seen corresponding path program 1 times [2024-04-06 07:57:21,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 07:57:21,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175852130] [2024-04-06 07:57:21,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 07:57:21,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 07:57:22,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 07:57:22,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 07:57:22,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 07:57:22,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175852130] [2024-04-06 07:57:22,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175852130] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 07:57:22,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 07:57:22,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-04-06 07:57:22,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102527224] [2024-04-06 07:57:22,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 07:57:22,799 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-04-06 07:57:22,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 07:57:22,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-04-06 07:57:22,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-04-06 07:57:22,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 07:57:22,815 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 07:57:22,815 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 86.6) internal successors, (433), 5 states have internal predecessors, (433), 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) [2024-04-06 07:57:22,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 07:57:22,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 07:57:22,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 07:57:22,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 07:57:22,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 07:57:22,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 07:57:22,876 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-04-06 07:57:22,876 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)] === [2024-04-06 07:57:22,877 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 07:57:22,877 INFO L85 PathProgramCache]: Analyzing trace with hash 941801174, now seen corresponding path program 1 times [2024-04-06 07:57:22,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 07:57:22,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87428000] [2024-04-06 07:57:22,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 07:57:22,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 07:57:23,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 07:57:23,532 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 07:57:23,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 07:57:23,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87428000] [2024-04-06 07:57:23,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [87428000] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 07:57:23,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [481767161] [2024-04-06 07:57:23,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 07:57:23,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 07:57:23,533 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 07:57:23,570 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) [2024-04-06 07:57:23,600 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-04-06 07:57:24,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 07:57:24,036 INFO L262 TraceCheckSpWp]: Trace formula consists of 1313 conjuncts, 12 conjunts are in the unsatisfiable core [2024-04-06 07:57:24,052 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 07:57:24,138 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 [2024-04-06 07:57:24,167 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-06 07:57:24,167 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-04-06 07:57:24,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [481767161] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 07:57:24,168 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-04-06 07:57:24,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2024-04-06 07:57:24,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471396188] [2024-04-06 07:57:24,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 07:57:24,168 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-06 07:57:24,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 07:57:24,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-06 07:57:24,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-04-06 07:57:24,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 07:57:24,195 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 07:57:24,196 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 63.0) internal successors, (441), 7 states have internal predecessors, (441), 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) [2024-04-06 07:57:24,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 07:57:24,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 07:57:24,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 07:57:24,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 07:57:24,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 07:57:24,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 07:57:24,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 07:57:24,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-06 07:57:24,387 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-04-06 07:57:24,580 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 [2024-04-06 07:57:24,580 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)] === [2024-04-06 07:57:24,581 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 07:57:24,581 INFO L85 PathProgramCache]: Analyzing trace with hash -868660380, now seen corresponding path program 1 times [2024-04-06 07:57:24,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 07:57:24,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417988632] [2024-04-06 07:57:24,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 07:57:24,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 07:57:24,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 07:57:25,258 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 07:57:25,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 07:57:25,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417988632] [2024-04-06 07:57:25,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417988632] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 07:57:25,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [933034755] [2024-04-06 07:57:25,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 07:57:25,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 07:57:25,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 07:57:25,273 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) [2024-04-06 07:57:25,294 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-04-06 07:57:26,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 07:57:26,356 INFO L262 TraceCheckSpWp]: Trace formula consists of 1473 conjuncts, 201 conjunts are in the unsatisfiable core [2024-04-06 07:57:26,370 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 07:57:26,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 07:57:26,949 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 26 [2024-04-06 07:57:26,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 07:57:26,980 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 26 [2024-04-06 07:57:27,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 07:57:27,002 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 26 [2024-04-06 07:57:27,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 07:57:27,035 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 26 [2024-04-06 07:57:27,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 07:57:27,071 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 26 [2024-04-06 07:57:27,547 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-04-06 07:57:27,547 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 16 [2024-04-06 07:57:27,617 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-04-06 07:57:27,617 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 16 [2024-04-06 07:57:27,680 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-04-06 07:57:27,681 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 16 [2024-04-06 07:57:27,766 INFO L349 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2024-04-06 07:57:27,766 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2024-04-06 07:57:27,913 INFO L349 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2024-04-06 07:57:27,913 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2024-04-06 07:57:28,120 INFO L349 Elim1Store]: treesize reduction 60, result has 31.8 percent of original size [2024-04-06 07:57:28,121 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 29 treesize of output 40 [2024-04-06 07:57:28,323 INFO L349 Elim1Store]: treesize reduction 60, result has 31.8 percent of original size [2024-04-06 07:57:28,323 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 29 treesize of output 40 [2024-04-06 07:57:28,466 INFO L349 Elim1Store]: treesize reduction 60, result has 31.8 percent of original size [2024-04-06 07:57:28,466 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 29 treesize of output 40 [2024-04-06 07:57:28,607 INFO L349 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2024-04-06 07:57:28,607 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 27 treesize of output 45 [2024-04-06 07:57:28,886 INFO L349 Elim1Store]: treesize reduction 72, result has 33.9 percent of original size [2024-04-06 07:57:28,887 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 32 treesize of output 57 [2024-04-06 07:57:31,422 INFO L349 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2024-04-06 07:57:31,423 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 37 treesize of output 69 [2024-04-06 07:57:32,143 INFO L349 Elim1Store]: treesize reduction 108, result has 33.7 percent of original size [2024-04-06 07:57:32,145 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 42 treesize of output 81 [2024-04-06 07:57:33,920 INFO L349 Elim1Store]: treesize reduction 126, result has 33.7 percent of original size [2024-04-06 07:57:33,920 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 14 case distinctions, treesize of input 47 treesize of output 93 [2024-04-06 07:57:44,254 INFO L349 Elim1Store]: treesize reduction 160, result has 31.3 percent of original size [2024-04-06 07:57:44,254 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 16 case distinctions, treesize of input 54 treesize of output 100 [2024-04-06 07:57:45,065 INFO L349 Elim1Store]: treesize reduction 160, result has 31.3 percent of original size [2024-04-06 07:57:45,066 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 16 case distinctions, treesize of input 54 treesize of output 100 [2024-04-06 07:57:45,860 INFO L349 Elim1Store]: treesize reduction 160, result has 31.3 percent of original size [2024-04-06 07:57:45,860 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 16 case distinctions, treesize of input 54 treesize of output 100 [2024-04-06 07:57:46,682 INFO L349 Elim1Store]: treesize reduction 160, result has 31.3 percent of original size [2024-04-06 07:57:46,683 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 16 case distinctions, treesize of input 54 treesize of output 100 [2024-04-06 07:57:47,474 INFO L349 Elim1Store]: treesize reduction 160, result has 31.3 percent of original size [2024-04-06 07:57:47,475 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 16 case distinctions, treesize of input 54 treesize of output 100 [2024-04-06 07:57:48,232 INFO L349 Elim1Store]: treesize reduction 160, result has 31.3 percent of original size [2024-04-06 07:57:48,233 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 16 case distinctions, treesize of input 54 treesize of output 100 [2024-04-06 07:57:48,989 INFO L349 Elim1Store]: treesize reduction 144, result has 33.6 percent of original size [2024-04-06 07:57:48,990 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 16 case distinctions, treesize of input 52 treesize of output 105 [2024-04-06 07:58:08,136 INFO L349 Elim1Store]: treesize reduction 180, result has 31.3 percent of original size [2024-04-06 07:58:08,136 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 18 case distinctions, treesize of input 59 treesize of output 112 [2024-04-06 07:58:13,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 07:58:13,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 07:58:13,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 07:58:13,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 07:58:13,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 07:58:13,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 07:58:13,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 07:58:13,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 07:58:13,423 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-04-06 07:58:13,424 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 44 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 2 case distinctions, treesize of input 59 treesize of output 80 [2024-04-06 07:58:21,394 INFO L349 Elim1Store]: treesize reduction 180, result has 31.3 percent of original size [2024-04-06 07:58:21,394 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 18 case distinctions, treesize of input 59 treesize of output 112 [2024-04-06 07:58:46,392 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 26 [2024-04-06 07:58:58,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 07:58:58,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 07:58:58,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 07:58:58,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 07:58:58,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 07:58:58,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 07:58:58,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 07:58:58,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 07:58:58,057 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 73 [2024-04-06 07:59:01,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 07:59:01,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 07:59:01,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 07:59:01,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 07:59:01,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 07:59:01,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 07:59:01,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 07:59:01,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 07:59:01,518 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-04-06 07:59:01,519 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 44 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 2 case distinctions, treesize of input 59 treesize of output 80 [2024-04-06 07:59:06,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 07:59:06,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 07:59:06,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 07:59:06,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 07:59:06,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 07:59:06,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 07:59:06,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 07:59:06,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 07:59:06,455 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-04-06 07:59:06,456 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 44 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 35 [2024-04-06 07:59:06,562 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 26 [2024-04-06 07:59:06,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 07:59:06,979 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 26 [2024-04-06 07:59:08,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 07:59:08,644 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 26 [2024-04-06 07:59:08,850 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 26 [2024-04-06 07:59:11,632 INFO L349 Elim1Store]: treesize reduction 48, result has 48.4 percent of original size [2024-04-06 07:59:11,632 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 40 treesize of output 64 [2024-04-06 07:59:11,768 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 07:59:11,769 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 59 treesize of output 67 [2024-04-06 07:59:11,944 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 07:59:11,945 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 07:59:12,182 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-06 07:59:12,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [933034755] provided 1 perfect and 1 imperfect interpolant sequences [2024-04-06 07:59:12,183 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-04-06 07:59:12,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6, 49] total 58 [2024-04-06 07:59:12,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426047751] [2024-04-06 07:59:12,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 07:59:12,184 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-06 07:59:12,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 07:59:12,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-06 07:59:12,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=351, Invalid=2937, Unknown=18, NotChecked=0, Total=3306 [2024-04-06 07:59:12,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 07:59:12,214 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 07:59:12,214 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 77.14285714285714) internal successors, (540), 7 states have internal predecessors, (540), 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) [2024-04-06 07:59:12,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 07:59:12,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 07:59:12,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 07:59:12,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-06 07:59:12,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 07:59:16,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 07:59:16,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 07:59:16,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 07:59:16,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-06 07:59:16,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-06 07:59:16,329 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-04-06 07:59:16,530 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 [2024-04-06 07:59:16,531 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)] === [2024-04-06 07:59:16,531 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 07:59:16,531 INFO L85 PathProgramCache]: Analyzing trace with hash -284476356, now seen corresponding path program 2 times [2024-04-06 07:59:16,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 07:59:16,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575995937] [2024-04-06 07:59:16,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 07:59:16,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 07:59:16,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 07:59:17,174 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 07:59:17,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 07:59:17,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575995937] [2024-04-06 07:59:17,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1575995937] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 07:59:17,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [490726943] [2024-04-06 07:59:17,175 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-06 07:59:17,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 07:59:17,175 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 07:59:17,190 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) [2024-04-06 07:59:17,205 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-04-06 07:59:18,197 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-04-06 07:59:18,197 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 07:59:18,205 INFO L262 TraceCheckSpWp]: Trace formula consists of 1451 conjuncts, 30 conjunts are in the unsatisfiable core [2024-04-06 07:59:18,215 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 07:59:19,450 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 [2024-04-06 07:59:19,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 07:59:19,481 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-04-06 07:59:19,574 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 [2024-04-06 07:59:19,616 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-06 07:59:19,617 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-04-06 07:59:19,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [490726943] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 07:59:19,617 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-04-06 07:59:19,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [6] total 21 [2024-04-06 07:59:19,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864421416] [2024-04-06 07:59:19,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 07:59:19,618 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-04-06 07:59:19,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 07:59:20,915 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 1446 treesize of output 1350 [2024-04-06 07:59:21,020 INFO L85 PathProgramCache]: Analyzing trace with hash -1129349515, now seen corresponding path program 1 times [2024-04-06 07:59:21,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 07:59:21,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 07:59:21,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 07:59:21,461 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 07:59:21,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 07:59:21,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 07:59:21,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 07:59:21,940 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 07:59:22,137 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 27 treesize of output 23 [2024-04-06 07:59:22,182 INFO L85 PathProgramCache]: Analyzing trace with hash 580626568, now seen corresponding path program 1 times [2024-04-06 07:59:22,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 07:59:22,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 07:59:22,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 07:59:22,825 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 07:59:22,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 07:59:22,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 07:59:22,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 07:59:23,234 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 07:59:23,322 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 39 treesize of output 31 [2024-04-06 07:59:23,375 INFO L85 PathProgramCache]: Analyzing trace with hash -1716093999, now seen corresponding path program 1 times [2024-04-06 07:59:23,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 07:59:23,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 07:59:23,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 07:59:23,948 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-06 07:59:23,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 07:59:23,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 07:59:23,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 07:59:24,382 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-06 07:59:24,463 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 39 treesize of output 31 [2024-04-06 07:59:24,578 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 39 treesize of output 31 [2024-04-06 07:59:24,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-04-06 07:59:24,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=631, Unknown=0, NotChecked=0, Total=702 [2024-04-06 07:59:24,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 07:59:24,657 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 07:59:24,657 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 55.666666666666664) internal successors, (1002), 19 states have internal predecessors, (1002), 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) [2024-04-06 07:59:24,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 07:59:24,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 07:59:24,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 07:59:24,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-06 07:59:24,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-06 07:59:24,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 07:59:37,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 07:59:37,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 07:59:37,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 07:59:37,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-06 07:59:37,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-06 07:59:37,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-06 07:59:37,034 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-04-06 07:59:37,231 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5,SelfDestructingSolverStorable10,SelfDestructingSolverStorable11,SelfDestructingSolverStorable9,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 07:59:37,231 INFO L420 AbstractCegarLoop]: === Iteration 7 === 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)] === [2024-04-06 07:59:37,231 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 07:59:37,232 INFO L85 PathProgramCache]: Analyzing trace with hash -1668035140, now seen corresponding path program 3 times [2024-04-06 07:59:37,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 07:59:37,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853905157] [2024-04-06 07:59:37,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 07:59:37,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 07:59:37,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 07:59:37,841 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 07:59:37,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 07:59:37,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853905157] [2024-04-06 07:59:37,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [853905157] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 07:59:37,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [949613571] [2024-04-06 07:59:37,842 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-06 07:59:37,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 07:59:37,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 07:59:37,843 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 07:59:37,845 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-04-06 07:59:38,807 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-04-06 07:59:38,807 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 07:59:38,813 INFO L262 TraceCheckSpWp]: Trace formula consists of 1451 conjuncts, 55 conjunts are in the unsatisfiable core [2024-04-06 07:59:38,820 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 07:59:40,082 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 [2024-04-06 07:59:40,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 07:59:40,118 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-04-06 07:59:41,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 07:59:41,164 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-04-06 07:59:41,262 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 [2024-04-06 07:59:41,316 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-06 07:59:41,316 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-04-06 07:59:41,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [949613571] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 07:59:41,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-04-06 07:59:41,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [6] total 29 [2024-04-06 07:59:41,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530703737] [2024-04-06 07:59:41,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 07:59:41,320 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-04-06 07:59:41,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 07:59:42,646 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 46 treesize of output 34 [2024-04-06 07:59:42,660 INFO L349 Elim1Store]: treesize reduction 9, result has 30.8 percent of original size [2024-04-06 07:59:42,660 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 381 treesize of output 355 [2024-04-06 07:59:42,793 INFO L85 PathProgramCache]: Analyzing trace with hash 804339075, now seen corresponding path program 1 times [2024-04-06 07:59:42,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 07:59:42,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 07:59:42,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 07:59:43,082 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 07:59:43,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 07:59:43,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 07:59:43,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 07:59:43,326 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 07:59:43,727 INFO L349 Elim1Store]: treesize reduction 9, result has 30.8 percent of original size [2024-04-06 07:59:43,728 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 31 [2024-04-06 07:59:43,833 INFO L85 PathProgramCache]: Analyzing trace with hash -880038250, now seen corresponding path program 1 times [2024-04-06 07:59:43,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 07:59:43,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 07:59:43,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 07:59:44,149 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 07:59:44,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 07:59:44,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 07:59:44,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 07:59:44,461 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 07:59:44,574 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-04-06 07:59:44,574 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 39 [2024-04-06 07:59:44,748 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-04-06 07:59:44,749 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 39 [2024-04-06 07:59:45,033 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-04-06 07:59:45,034 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 39 [2024-04-06 07:59:45,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-04-06 07:59:45,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=935, Unknown=0, NotChecked=0, Total=1056 [2024-04-06 07:59:45,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 07:59:45,090 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 07:59:45,091 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 21.6) internal successors, (540), 25 states have internal predecessors, (540), 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) [2024-04-06 07:59:45,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 07:59:45,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 07:59:45,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 07:59:45,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-06 07:59:45,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-06 07:59:45,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-06 07:59:45,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 07:59:54,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 07:59:54,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 07:59:54,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 07:59:54,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-06 07:59:54,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-06 07:59:54,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-06 07:59:54,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-06 07:59:54,291 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-04-06 07:59:54,489 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14,SelfDestructingSolverStorable15,SelfDestructingSolverStorable16 [2024-04-06 07:59:54,489 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-04-06 07:59:54,492 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 07:59:54,492 INFO L85 PathProgramCache]: Analyzing trace with hash -955887911, now seen corresponding path program 1 times [2024-04-06 07:59:54,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 07:59:54,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075097874] [2024-04-06 07:59:54,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 07:59:54,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 07:59:54,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 07:59:54,994 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-06 07:59:54,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 07:59:54,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075097874] [2024-04-06 07:59:54,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2075097874] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 07:59:54,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 07:59:54,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-04-06 07:59:54,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028204079] [2024-04-06 07:59:54,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 07:59:54,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-04-06 07:59:54,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 07:59:54,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-04-06 07:59:54,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-04-06 07:59:54,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 07:59:54,999 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 07:59:54,999 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) [2024-04-06 07:59:54,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 07:59:54,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 07:59:54,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 07:59:54,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-06 07:59:54,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-06 07:59:54,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-06 07:59:54,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-04-06 07:59:54,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 08:00:00,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 08:00:00,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-06 08:00:00,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 08:00:00,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-06 08:00:00,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-06 08:00:00,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-06 08:00:00,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-06 08:00:00,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 08:00:00,298 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 7 remaining) [2024-04-06 08:00:00,298 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 7 remaining) [2024-04-06 08:00:00,298 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2024-04-06 08:00:00,298 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 7 remaining) [2024-04-06 08:00:00,298 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONERROR_FUNCTION (2 of 7 remaining) [2024-04-06 08:00:00,299 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 7 remaining) [2024-04-06 08:00:00,299 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONERROR_FUNCTION (0 of 7 remaining) [2024-04-06 08:00:00,299 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-04-06 08:00:00,305 INFO L445 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-04-06 08:00:00,308 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-04-06 08:00:00,309 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-04-06 08:00:00,310 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.04 08:00:00 BasicIcfg [2024-04-06 08:00:00,311 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-04-06 08:00:00,311 INFO L158 Benchmark]: Toolchain (without parser) took 165938.37ms. Allocated memory was 161.5MB in the beginning and 5.3GB in the end (delta: 5.2GB). Free memory was 83.4MB in the beginning and 4.5GB in the end (delta: -4.4GB). Peak memory consumption was 772.4MB. Max. memory is 8.0GB. [2024-04-06 08:00:00,311 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 161.5MB. Free memory is still 101.2MB. There was no memory consumed. Max. memory is 8.0GB. [2024-04-06 08:00:00,312 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4124.10ms. Allocated memory was 161.5MB in the beginning and 349.2MB in the end (delta: 187.7MB). Free memory was 83.1MB in the beginning and 216.0MB in the end (delta: -132.9MB). Peak memory consumption was 106.1MB. Max. memory is 8.0GB. [2024-04-06 08:00:00,312 INFO L158 Benchmark]: Boogie Procedure Inliner took 179.00ms. Allocated memory is still 349.2MB. Free memory was 216.0MB in the beginning and 203.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2024-04-06 08:00:00,312 INFO L158 Benchmark]: Boogie Preprocessor took 90.49ms. Allocated memory is still 349.2MB. Free memory was 203.5MB in the beginning and 196.7MB in the end (delta: 6.8MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2024-04-06 08:00:00,312 INFO L158 Benchmark]: RCFGBuilder took 1180.02ms. Allocated memory is still 349.2MB. Free memory was 196.7MB in the beginning and 252.2MB in the end (delta: -55.5MB). Peak memory consumption was 61.4MB. Max. memory is 8.0GB. [2024-04-06 08:00:00,313 INFO L158 Benchmark]: TraceAbstraction took 160357.67ms. Allocated memory was 349.2MB in the beginning and 5.3GB in the end (delta: 5.0GB). Free memory was 251.1MB in the beginning and 4.5GB in the end (delta: -4.2GB). Peak memory consumption was 751.7MB. Max. memory is 8.0GB. [2024-04-06 08:00:00,315 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 161.5MB. Free memory is still 101.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 4124.10ms. Allocated memory was 161.5MB in the beginning and 349.2MB in the end (delta: 187.7MB). Free memory was 83.1MB in the beginning and 216.0MB in the end (delta: -132.9MB). Peak memory consumption was 106.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 179.00ms. Allocated memory is still 349.2MB. Free memory was 216.0MB in the beginning and 203.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Preprocessor took 90.49ms. Allocated memory is still 349.2MB. Free memory was 203.5MB in the beginning and 196.7MB in the end (delta: 6.8MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * RCFGBuilder took 1180.02ms. Allocated memory is still 349.2MB. Free memory was 196.7MB in the beginning and 252.2MB in the end (delta: -55.5MB). Peak memory consumption was 61.4MB. Max. memory is 8.0GB. * TraceAbstraction took 160357.67ms. Allocated memory was 349.2MB in the beginning and 5.3GB in the end (delta: 5.0GB). Free memory was 251.1MB in the beginning and 4.5GB in the end (delta: -4.2GB). Peak memory consumption was 751.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "b %b0, %1\n" : "+q" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "w %w0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "l %0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "q %q0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 5814]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1338332, independent: 1272515, independent conditional: 1271695, independent unconditional: 820, dependent: 65797, dependent conditional: 65747, dependent unconditional: 50, unknown: 20, unknown conditional: 20, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1274406, independent: 1272515, independent conditional: 1271695, independent unconditional: 820, dependent: 1871, dependent conditional: 1871, dependent unconditional: 0, unknown: 20, unknown conditional: 20, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1274406, independent: 1272515, independent conditional: 1271695, independent unconditional: 820, dependent: 1871, dependent conditional: 1871, dependent unconditional: 0, unknown: 20, unknown conditional: 20, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1274406, independent: 1272515, independent conditional: 1271695, independent unconditional: 820, dependent: 1871, dependent conditional: 1871, dependent unconditional: 0, unknown: 20, unknown conditional: 20, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1282939, independent: 1272515, independent conditional: 53045, independent unconditional: 1219470, dependent: 10284, dependent conditional: 6432, dependent unconditional: 3852, unknown: 140, unknown conditional: 64, unknown unconditional: 76] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1282939, independent: 1272515, independent conditional: 9071, independent unconditional: 1263444, dependent: 10284, dependent conditional: 4032, dependent unconditional: 6252, unknown: 140, unknown conditional: 36, unknown unconditional: 104] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1282939, independent: 1272515, independent conditional: 9071, independent unconditional: 1263444, dependent: 10284, dependent conditional: 4032, dependent unconditional: 6252, unknown: 140, unknown conditional: 36, unknown unconditional: 104] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 41149, independent: 41028, independent conditional: 191, independent unconditional: 40837, dependent: 109, dependent conditional: 84, dependent unconditional: 25, unknown: 12, unknown conditional: 8, unknown unconditional: 4] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 41149, independent: 41008, independent conditional: 0, independent unconditional: 41008, dependent: 141, dependent conditional: 0, dependent unconditional: 141, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 141, independent: 20, independent conditional: 20, independent unconditional: 0, dependent: 109, dependent conditional: 84, dependent unconditional: 25, unknown: 12, unknown conditional: 8, unknown unconditional: 4] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 141, independent: 20, independent conditional: 20, independent unconditional: 0, dependent: 109, dependent conditional: 84, dependent unconditional: 25, unknown: 12, unknown conditional: 8, unknown unconditional: 4] , SemanticIndependenceRelation.Query Time [ms]: [ total: 13892, independent: 234, independent conditional: 234, independent unconditional: 0, dependent: 514, dependent conditional: 327, dependent unconditional: 187, unknown: 13144, unknown conditional: 8819, unknown unconditional: 4325] , Protected Queries: 0 ], Cache Queries: [ total: 1282939, independent: 1231487, independent conditional: 8880, independent unconditional: 1222607, dependent: 10175, dependent conditional: 3948, dependent unconditional: 6227, unknown: 41277, unknown conditional: 311, unknown unconditional: 40966] , Statistics on independence cache: Total cache size (in pairs): 41137, Positive cache size: 41028, Positive conditional cache size: 191, Positive unconditional cache size: 40837, Negative cache size: 109, Negative conditional cache size: 84, Negative unconditional cache size: 25, Unknown cache size: 12, Unknown conditional cache size: 8, Unknown unconditional cache size: 4, Eliminated conditions: 46402, Maximal queried relation: 5, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1282939, independent: 1272515, independent conditional: 53045, independent unconditional: 1219470, dependent: 10284, dependent conditional: 6432, dependent unconditional: 3852, unknown: 140, unknown conditional: 64, unknown unconditional: 76] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1282939, independent: 1272515, independent conditional: 9071, independent unconditional: 1263444, dependent: 10284, dependent conditional: 4032, dependent unconditional: 6252, unknown: 140, unknown conditional: 36, unknown unconditional: 104] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1282939, independent: 1272515, independent conditional: 9071, independent unconditional: 1263444, dependent: 10284, dependent conditional: 4032, dependent unconditional: 6252, unknown: 140, unknown conditional: 36, unknown unconditional: 104] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 41149, independent: 41028, independent conditional: 191, independent unconditional: 40837, dependent: 109, dependent conditional: 84, dependent unconditional: 25, unknown: 12, unknown conditional: 8, unknown unconditional: 4] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 41149, independent: 41008, independent conditional: 0, independent unconditional: 41008, dependent: 141, dependent conditional: 0, dependent unconditional: 141, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 141, independent: 20, independent conditional: 20, independent unconditional: 0, dependent: 109, dependent conditional: 84, dependent unconditional: 25, unknown: 12, unknown conditional: 8, unknown unconditional: 4] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 141, independent: 20, independent conditional: 20, independent unconditional: 0, dependent: 109, dependent conditional: 84, dependent unconditional: 25, unknown: 12, unknown conditional: 8, unknown unconditional: 4] , SemanticIndependenceRelation.Query Time [ms]: [ total: 13892, independent: 234, independent conditional: 234, independent unconditional: 0, dependent: 514, dependent conditional: 327, dependent unconditional: 187, unknown: 13144, unknown conditional: 8819, unknown unconditional: 4325] , Protected Queries: 0 ], Cache Queries: [ total: 1282939, independent: 1231487, independent conditional: 8880, independent unconditional: 1222607, dependent: 10175, dependent conditional: 3948, dependent unconditional: 6227, unknown: 41277, unknown conditional: 311, unknown unconditional: 40966] , Statistics on independence cache: Total cache size (in pairs): 41137, Positive cache size: 41028, Positive conditional cache size: 191, Positive unconditional cache size: 40837, Negative cache size: 109, Negative conditional cache size: 84, Negative unconditional cache size: 25, Unknown cache size: 12, Unknown conditional cache size: 8, Unknown unconditional cache size: 4, Eliminated conditions: 46402 ], Independence queries for same thread: 63926 - 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, 1334 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 160.2s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 31.7s, 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: 122, 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: 0.5s SsaConstructionTime, 3.1s SatisfiabilityAnalysisTime, 113.2s InterpolantComputationTime, 5644 NumberOfCodeBlocks, 5628 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 6171 ConstructedInterpolants, 168 QuantifiedInterpolants, 66514 SizeOfPredicates, 110 NumberOfNonLiveVariables, 5688 ConjunctsInSsa, 298 ConjunctsInUnsatCore, 13 InterpolantComputations, 8 PerfectInterpolantSequences, 5/10 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! [2024-04-06 08:00:00,381 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 [2024-04-06 08:00:00,618 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...