/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking SLEEP_SET -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_change.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-04 04:54:24,811 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-04 04:54:24,844 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-04 04:54:24,847 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-04 04:54:24,847 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-04 04:54:24,861 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-04 04:54:24,862 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-04 04:54:24,862 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-04 04:54:24,862 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-04 04:54:24,863 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-04 04:54:24,863 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-04 04:54:24,863 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-04 04:54:24,863 INFO L153 SettingsManager]: * Use SBE=true [2024-04-04 04:54:24,864 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-04 04:54:24,864 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-04 04:54:24,864 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-04 04:54:24,864 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-04 04:54:24,865 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-04 04:54:24,865 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-04 04:54:24,865 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-04 04:54:24,865 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-04 04:54:24,868 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-04 04:54:24,868 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-04 04:54:24,868 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-04 04:54:24,868 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-04 04:54:24,869 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-04 04:54:24,869 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-04 04:54:24,869 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-04 04:54:24,869 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-04 04:54:24,869 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-04 04:54:24,870 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-04 04:54:24,870 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-04 04:54:24,870 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-04 04:54:24,870 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-04 04:54:24,871 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-04 04:54:24,871 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-04 04:54:24,871 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-04 04:54:24,871 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-04 04:54:24,871 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-04 04:54:24,871 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> SLEEP_SET [2024-04-04 04:54:25,048 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-04 04:54:25,065 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-04 04:54:25,067 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-04 04:54:25,068 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-04 04:54:25,070 INFO L274 PluginConnector]: CDTParser initialized [2024-04-04 04:54:25,071 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_change.i [2024-04-04 04:54:26,203 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-04 04:54:26,548 INFO L384 CDTParser]: Found 1 translation units. [2024-04-04 04:54:26,548 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_change.i [2024-04-04 04:54:26,588 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/fc5d34831/ad69923cf701494ca7b459259c832917/FLAGcb6fa681d [2024-04-04 04:54:26,607 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/fc5d34831/ad69923cf701494ca7b459259c832917 [2024-04-04 04:54:26,609 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-04 04:54:26,612 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-04 04:54:26,613 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-04 04:54:26,613 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-04 04:54:26,617 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-04 04:54:26,618 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.04 04:54:26" (1/1) ... [2024-04-04 04:54:26,618 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e283f28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 04:54:26, skipping insertion in model container [2024-04-04 04:54:26,619 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.04 04:54:26" (1/1) ... [2024-04-04 04:54:26,776 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-04 04:54:27,024 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_open_pc8736x_gpio_change.i[5469,5482] [2024-04-04 04:54:29,541 WARN L1590 CHandler]: Possible shadowing of function iminor [2024-04-04 04:54:29,550 WARN L1590 CHandler]: Possible shadowing of function iminor [2024-04-04 04:54:29,615 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-04 04:54:29,658 INFO L202 MainTranslator]: Completed pre-run [2024-04-04 04:54:29,670 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_open_pc8736x_gpio_change.i[5469,5482] [2024-04-04 04:54:29,733 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] [2024-04-04 04:54:29,735 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] [2024-04-04 04:54:29,735 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] [2024-04-04 04:54:29,735 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] [2024-04-04 04:54:29,793 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] [2024-04-04 04:54:29,819 WARN L1590 CHandler]: Possible shadowing of function iminor [2024-04-04 04:54:29,819 WARN L1590 CHandler]: Possible shadowing of function iminor [2024-04-04 04:54:29,828 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-04 04:54:30,198 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-04-04 04:54:30,199 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-04-04 04:54:30,199 WARN L675 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2024-04-04 04:54:30,199 WARN L675 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2024-04-04 04:54:30,199 WARN L675 CHandler]: The function ____ilog2_NaN is called, but not defined or handled by StandardFunctionHandler. [2024-04-04 04:54:30,199 WARN L675 CHandler]: The function _whoop_init is called, but not defined or handled by StandardFunctionHandler. [2024-04-04 04:54:30,205 INFO L206 MainTranslator]: Completed translation [2024-04-04 04:54:30,205 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 04:54:30 WrapperNode [2024-04-04 04:54:30,205 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-04 04:54:30,206 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-04 04:54:30,206 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-04 04:54:30,206 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-04 04:54:30,211 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 04:54:30" (1/1) ... [2024-04-04 04:54:30,290 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 04:54:30" (1/1) ... [2024-04-04 04:54:30,342 INFO L138 Inliner]: procedures = 1393, calls = 1529, calls flagged for inlining = 392, calls inlined = 56, statements flattened = 747 [2024-04-04 04:54:30,343 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-04 04:54:30,343 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-04 04:54:30,343 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-04 04:54:30,343 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-04 04:54:30,353 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 04:54:30" (1/1) ... [2024-04-04 04:54:30,353 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 04:54:30" (1/1) ... [2024-04-04 04:54:30,362 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 04:54:30" (1/1) ... [2024-04-04 04:54:30,363 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 04:54:30" (1/1) ... [2024-04-04 04:54:30,408 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 04:54:30" (1/1) ... [2024-04-04 04:54:30,412 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 04:54:30" (1/1) ... [2024-04-04 04:54:30,416 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 04:54:30" (1/1) ... [2024-04-04 04:54:30,418 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 04:54:30" (1/1) ... [2024-04-04 04:54:30,432 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-04 04:54:30,433 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-04 04:54:30,433 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-04 04:54:30,433 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-04 04:54:30,444 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 04:54:30" (1/1) ... [2024-04-04 04:54:30,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-04 04:54:30,460 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 04:54:30,492 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) [2024-04-04 04:54:30,549 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 [2024-04-04 04:54:30,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-04-04 04:54:30,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-04-04 04:54:30,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-04 04:54:30,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-04-04 04:54:30,581 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_change [2024-04-04 04:54:30,581 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_change [2024-04-04 04:54:30,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-04 04:54:30,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-04 04:54:30,582 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_open [2024-04-04 04:54:30,582 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_open [2024-04-04 04:54:30,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-04-04 04:54:30,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-04 04:54:30,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-04-04 04:54:30,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-04 04:54:30,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-04 04:54:30,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-04-04 04:54:30,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-04 04:54:30,585 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-04 04:54:30,925 INFO L241 CfgBuilder]: Building ICFG [2024-04-04 04:54:30,927 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-04 04:54:31,473 INFO L282 CfgBuilder]: Performing block encoding [2024-04-04 04:54:31,487 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-04 04:54:31,487 INFO L309 CfgBuilder]: Removed 27 assume(true) statements. [2024-04-04 04:54:31,488 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 04:54:31 BoogieIcfgContainer [2024-04-04 04:54:31,489 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-04 04:54:31,490 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-04 04:54:31,490 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-04 04:54:31,493 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-04 04:54:31,493 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.04 04:54:26" (1/3) ... [2024-04-04 04:54:31,494 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f05cc85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.04 04:54:31, skipping insertion in model container [2024-04-04 04:54:31,494 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 04:54:30" (2/3) ... [2024-04-04 04:54:31,494 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f05cc85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.04 04:54:31, skipping insertion in model container [2024-04-04 04:54:31,494 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 04:54:31" (3/3) ... [2024-04-04 04:54:31,495 INFO L112 eAbstractionObserver]: Analyzing ICFG char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_change.i [2024-04-04 04:54:31,501 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-04 04:54:31,508 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-04 04:54:31,509 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-04-04 04:54:31,509 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-04 04:54:31,593 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-04-04 04:54:31,636 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-04 04:54:31,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-04 04:54:31,637 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 04:54:31,646 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) [2024-04-04 04:54:31,695 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 [2024-04-04 04:54:31,712 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-04 04:54:31,722 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 04:54:31,724 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-04 04:54:31,728 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;@46ad3d03, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=SLEEP_SET, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123 [2024-04-04 04:54:31,729 INFO L358 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2024-04-04 04:54:31,866 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-04-04 04:54:31,867 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 04:54:31,868 INFO L85 PathProgramCache]: Analyzing trace with hash -746413235, now seen corresponding path program 1 times [2024-04-04 04:54:31,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 04:54:31,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557965641] [2024-04-04 04:54:31,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 04:54:31,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 04:54:32,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 04:54:32,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 04:54:32,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 04:54:32,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557965641] [2024-04-04 04:54:32,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557965641] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 04:54:32,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 04:54:32,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-04 04:54:32,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008064003] [2024-04-04 04:54:32,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 04:54:32,371 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-04-04 04:54:32,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 04:54:32,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-04 04:54:32,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-04-04 04:54:32,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 04:54:32,397 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 04:54:32,398 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 120.0) internal successors, (240), 2 states have internal predecessors, (240), 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) [2024-04-04 04:54:32,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 04:54:32,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 04:54:32,447 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-04 04:54:32,447 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-04-04 04:54:32,447 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 04:54:32,448 INFO L85 PathProgramCache]: Analyzing trace with hash 1758753249, now seen corresponding path program 1 times [2024-04-04 04:54:32,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 04:54:32,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12700106] [2024-04-04 04:54:32,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 04:54:32,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 04:54:32,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 04:54:33,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 04:54:33,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 04:54:33,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12700106] [2024-04-04 04:54:33,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [12700106] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 04:54:33,045 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 04:54:33,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-04-04 04:54:33,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628096697] [2024-04-04 04:54:33,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 04:54:33,049 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-04-04 04:54:33,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 04:54:33,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-04-04 04:54:33,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-04-04 04:54:33,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 04:54:33,053 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 04:54:33,053 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 26.555555555555557) internal successors, (239), 9 states have internal predecessors, (239), 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) [2024-04-04 04:54:33,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 04:54:33,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 04:54:33,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 04:54:33,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 04:54:33,265 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-04-04 04:54:33,265 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-04-04 04:54:33,266 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 04:54:33,266 INFO L85 PathProgramCache]: Analyzing trace with hash -1412212545, now seen corresponding path program 1 times [2024-04-04 04:54:33,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 04:54:33,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826565184] [2024-04-04 04:54:33,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 04:54:33,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 04:54:33,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 04:54:33,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 04:54:33,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 04:54:33,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826565184] [2024-04-04 04:54:33,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1826565184] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 04:54:33,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 04:54:33,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-04-04 04:54:33,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517731429] [2024-04-04 04:54:33,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 04:54:33,978 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-04-04 04:54:33,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 04:54:33,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-04-04 04:54:33,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-04-04 04:54:33,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 04:54:33,983 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 04:54:33,984 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 43.333333333333336) internal successors, (260), 6 states have internal predecessors, (260), 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) [2024-04-04 04:54:33,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 04:54:33,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 04:54:33,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 04:54:34,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 04:54:34,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 04:54:34,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-04 04:54:34,130 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-04-04 04:54:34,130 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting whoop_wrapper_pc8736x_gpio_changeErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-04-04 04:54:34,130 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 04:54:34,131 INFO L85 PathProgramCache]: Analyzing trace with hash -1198318280, now seen corresponding path program 1 times [2024-04-04 04:54:34,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 04:54:34,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856626514] [2024-04-04 04:54:34,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 04:54:34,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 04:54:34,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 04:54:34,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 04:54:34,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 04:54:34,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856626514] [2024-04-04 04:54:34,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [856626514] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 04:54:34,533 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 04:54:34,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-04-04 04:54:34,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234984989] [2024-04-04 04:54:34,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 04:54:34,537 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-04-04 04:54:34,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 04:54:34,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-04-04 04:54:34,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-04-04 04:54:34,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 04:54:34,539 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 04:54:34,539 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 58.6) internal successors, (293), 5 states have internal predecessors, (293), 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) [2024-04-04 04:54:34,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 04:54:34,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 04:54:34,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-04 04:54:34,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 04:54:34,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 04:54:34,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 04:54:34,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-04 04:54:34,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-04 04:54:34,610 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-04-04 04:54:34,610 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting whoop_wrapper_pc8736x_gpio_changeErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-04-04 04:54:34,610 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 04:54:34,610 INFO L85 PathProgramCache]: Analyzing trace with hash 804265081, now seen corresponding path program 1 times [2024-04-04 04:54:34,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 04:54:34,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789109666] [2024-04-04 04:54:34,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 04:54:34,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 04:54:34,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 04:54:35,075 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 04:54:35,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 04:54:35,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789109666] [2024-04-04 04:54:35,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789109666] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 04:54:35,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [165382368] [2024-04-04 04:54:35,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 04:54:35,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 04:54:35,076 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 04:54:35,112 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) [2024-04-04 04:54:35,154 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-04-04 04:54:35,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 04:54:35,540 INFO L262 TraceCheckSpWp]: Trace formula consists of 1063 conjuncts, 12 conjunts are in the unsatisfiable core [2024-04-04 04:54:35,556 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 04:54:35,636 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 [2024-04-04 04:54:35,665 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-04 04:54:35,666 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-04-04 04:54:35,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [165382368] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 04:54:35,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-04-04 04:54:35,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2024-04-04 04:54:35,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376046324] [2024-04-04 04:54:35,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 04:54:35,667 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-04 04:54:35,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 04:54:35,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-04 04:54:35,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-04-04 04:54:35,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 04:54:35,668 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 04:54:35,668 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 43.0) internal successors, (301), 7 states have internal predecessors, (301), 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) [2024-04-04 04:54:35,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 04:54:35,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 04:54:35,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-04 04:54:35,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-04 04:54:35,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 04:54:35,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 04:54:35,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 04:54:35,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-04 04:54:35,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-04 04:54:35,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-04 04:54:35,867 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-04-04 04:54:36,061 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 04:54:36,062 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-04-04 04:54:36,063 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 04:54:36,063 INFO L85 PathProgramCache]: Analyzing trace with hash 1800525245, now seen corresponding path program 1 times [2024-04-04 04:54:36,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 04:54:36,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514507586] [2024-04-04 04:54:36,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 04:54:36,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 04:54:36,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 04:54:36,690 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 04:54:36,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 04:54:36,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514507586] [2024-04-04 04:54:36,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [514507586] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 04:54:36,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1948282838] [2024-04-04 04:54:36,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 04:54:36,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 04:54:36,691 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 04:54:36,710 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) [2024-04-04 04:54:36,728 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-04-04 04:54:37,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 04:54:37,474 INFO L262 TraceCheckSpWp]: Trace formula consists of 1235 conjuncts, 226 conjunts are in the unsatisfiable core [2024-04-04 04:54:37,489 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 04:54:38,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 04:54:38,047 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 [2024-04-04 04:54:38,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 04:54:38,074 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 [2024-04-04 04:54:38,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 04:54:38,096 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 [2024-04-04 04:54:38,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 04:54:38,119 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 [2024-04-04 04:54:38,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 04:54:38,141 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 [2024-04-04 04:54:38,582 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-04-04 04:54:38,582 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 [2024-04-04 04:54:38,638 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-04-04 04:54:38,638 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 [2024-04-04 04:54:38,683 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-04-04 04:54:38,684 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 [2024-04-04 04:54:38,826 INFO L349 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2024-04-04 04:54:38,827 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2024-04-04 04:54:39,004 INFO L349 Elim1Store]: treesize reduction 48, result has 28.4 percent of original size [2024-04-04 04:54:39,005 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 24 treesize of output 28 [2024-04-04 04:54:39,118 INFO L349 Elim1Store]: treesize reduction 48, result has 28.4 percent of original size [2024-04-04 04:54:39,118 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 24 treesize of output 28 [2024-04-04 04:54:39,208 INFO L349 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2024-04-04 04:54:39,208 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 22 treesize of output 33 [2024-04-04 04:54:39,473 INFO L349 Elim1Store]: treesize reduction 68, result has 29.2 percent of original size [2024-04-04 04:54:39,475 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 29 treesize of output 40 [2024-04-04 04:54:39,656 INFO L349 Elim1Store]: treesize reduction 68, result has 29.2 percent of original size [2024-04-04 04:54:39,656 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 29 treesize of output 40 [2024-04-04 04:54:39,830 INFO L349 Elim1Store]: treesize reduction 68, result has 29.2 percent of original size [2024-04-04 04:54:39,830 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 29 treesize of output 40 [2024-04-04 04:54:39,980 INFO L349 Elim1Store]: treesize reduction 62, result has 31.1 percent of original size [2024-04-04 04:54:39,980 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 27 treesize of output 45 [2024-04-04 04:54:40,308 INFO L349 Elim1Store]: treesize reduction 80, result has 31.6 percent of original size [2024-04-04 04:54:40,309 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 32 treesize of output 57 [2024-04-04 04:54:42,736 INFO L349 Elim1Store]: treesize reduction 98, result has 31.9 percent of original size [2024-04-04 04:54:42,736 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 37 treesize of output 69 [2024-04-04 04:54:43,416 INFO L349 Elim1Store]: treesize reduction 128, result has 30.1 percent of original size [2024-04-04 04:54:43,416 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 14 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 13 case distinctions, treesize of input 44 treesize of output 76 [2024-04-04 04:54:43,836 INFO L349 Elim1Store]: treesize reduction 116, result has 32.2 percent of original size [2024-04-04 04:54:43,836 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 14 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 13 case distinctions, treesize of input 42 treesize of output 81 [2024-04-04 04:54:44,886 INFO L349 Elim1Store]: treesize reduction 148, result has 30.2 percent of original size [2024-04-04 04:54:44,886 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 20 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 49 treesize of output 88 [2024-04-04 04:54:45,451 INFO L349 Elim1Store]: treesize reduction 148, result has 30.2 percent of original size [2024-04-04 04:54:45,452 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 20 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 49 treesize of output 88 [2024-04-04 04:54:46,022 INFO L349 Elim1Store]: treesize reduction 148, result has 30.2 percent of original size [2024-04-04 04:54:46,022 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 20 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 49 treesize of output 88 [2024-04-04 04:54:46,578 INFO L349 Elim1Store]: treesize reduction 148, result has 30.2 percent of original size [2024-04-04 04:54:46,579 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 20 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 49 treesize of output 88 [2024-04-04 04:54:47,170 INFO L349 Elim1Store]: treesize reduction 148, result has 30.2 percent of original size [2024-04-04 04:54:47,170 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 20 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 49 treesize of output 88 [2024-04-04 04:54:47,736 INFO L349 Elim1Store]: treesize reduction 134, result has 32.3 percent of original size [2024-04-04 04:54:47,737 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 20 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 47 treesize of output 93 [2024-04-04 04:54:59,563 INFO L349 Elim1Store]: treesize reduction 152, result has 32.4 percent of original size [2024-04-04 04:54:59,564 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 27 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 17 case distinctions, treesize of input 52 treesize of output 105 [2024-04-04 04:55:03,329 INFO L349 Elim1Store]: treesize reduction 188, result has 30.4 percent of original size [2024-04-04 04:55:03,329 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 35 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 19 case distinctions, treesize of input 59 treesize of output 112 [2024-04-04 04:55:09,617 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 [2024-04-04 04:55:19,528 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-04-04 04:55:19,528 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 35 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 68 [2024-04-04 04:55:22,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 04:55:22,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 04:55:22,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 04:55:22,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 04:55:22,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 04:55:22,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 04:55:22,070 INFO L349 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2024-04-04 04:55:22,072 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 33 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 5 case distinctions, treesize of input 52 treesize of output 81 [2024-04-04 04:55:23,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 04:55:23,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 04:55:23,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 04:55:23,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 04:55:23,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 04:55:23,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 04:55:23,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 04:55:23,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 04:55:23,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 04:55:23,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 04:55:23,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 04:55:23,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 04:55:23,832 INFO L349 Elim1Store]: treesize reduction 20, result has 39.4 percent of original size [2024-04-04 04:55:23,832 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 41 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 43 [2024-04-04 04:55:24,002 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 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 [2024-04-04 04:55:24,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 04:55:24,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 04:55:24,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 04:55:24,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 04:55:24,715 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 41 [2024-04-04 04:55:24,733 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 [2024-04-04 04:55:24,741 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 [2024-04-04 04:55:24,820 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 [2024-04-04 04:55:24,825 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 9 treesize of output 3 [2024-04-04 04:55:25,167 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 [2024-04-04 04:55:27,820 INFO L349 Elim1Store]: treesize reduction 48, result has 48.4 percent of original size [2024-04-04 04:55:27,821 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 [2024-04-04 04:55:27,965 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 04:55:27,966 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 [2024-04-04 04:55:28,144 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 04:55:28,144 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 04:55:28,373 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-04 04:55:28,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1948282838] provided 1 perfect and 1 imperfect interpolant sequences [2024-04-04 04:55:28,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-04-04 04:55:28,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6, 52] total 61 [2024-04-04 04:55:28,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165185002] [2024-04-04 04:55:28,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 04:55:28,374 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-04 04:55:28,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 04:55:28,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-04 04:55:28,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=380, Invalid=3278, Unknown=2, NotChecked=0, Total=3660 [2024-04-04 04:55:28,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 04:55:28,377 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 04:55:28,377 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 58.142857142857146) internal successors, (407), 7 states have internal predecessors, (407), 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) [2024-04-04 04:55:28,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 04:55:28,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 04:55:28,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-04 04:55:28,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-04 04:55:28,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-04 04:55:28,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 04:55:29,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 04:55:29,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 04:55:29,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-04 04:55:29,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-04 04:55:29,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-04 04:55:29,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-04 04:55:29,790 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-04-04 04:55:29,987 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 04:55:29,988 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-04-04 04:55:29,988 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 04:55:29,988 INFO L85 PathProgramCache]: Analyzing trace with hash -914046662, now seen corresponding path program 1 times [2024-04-04 04:55:29,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 04:55:29,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609126852] [2024-04-04 04:55:29,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 04:55:29,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 04:55:30,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 04:55:31,094 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-04 04:55:31,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 04:55:31,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609126852] [2024-04-04 04:55:31,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1609126852] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 04:55:31,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 04:55:31,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-04-04 04:55:31,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795125386] [2024-04-04 04:55:31,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 04:55:31,098 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-04-04 04:55:31,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 04:55:31,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-04-04 04:55:31,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2024-04-04 04:55:31,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 04:55:31,099 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 04:55:31,099 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 22.75) internal successors, (273), 12 states have internal predecessors, (273), 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) [2024-04-04 04:55:31,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 04:55:31,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 04:55:31,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-04 04:55:31,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-04 04:55:31,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-04 04:55:31,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-04 04:55:31,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 04:55:32,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 04:55:32,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 04:55:32,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-04 04:55:32,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-04 04:55:32,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-04 04:55:32,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-04 04:55:32,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-04 04:55:32,346 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-04-04 04:55:32,347 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-04-04 04:55:32,348 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 04:55:32,348 INFO L85 PathProgramCache]: Analyzing trace with hash 2120378955, now seen corresponding path program 1 times [2024-04-04 04:55:32,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 04:55:32,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243375319] [2024-04-04 04:55:32,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 04:55:32,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 04:55:32,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 04:55:34,818 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-04 04:55:34,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 04:55:34,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243375319] [2024-04-04 04:55:34,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [243375319] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 04:55:34,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 04:55:34,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-04-04 04:55:34,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876740416] [2024-04-04 04:55:34,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 04:55:34,820 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-04-04 04:55:34,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 04:55:34,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-04-04 04:55:34,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2024-04-04 04:55:34,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 04:55:34,821 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 04:55:34,821 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 21.444444444444443) internal successors, (386), 18 states have internal predecessors, (386), 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) [2024-04-04 04:55:34,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 04:55:34,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 04:55:34,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-04 04:55:34,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-04 04:55:34,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-04 04:55:34,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-04 04:55:34,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-04 04:55:34,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 04:55:38,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 04:55:38,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 04:55:38,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-04 04:55:38,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-04 04:55:38,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-04 04:55:38,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-04 04:55:38,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-04 04:55:38,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-04 04:55:38,964 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-04-04 04:55:38,964 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-04-04 04:55:38,965 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 04:55:38,965 INFO L85 PathProgramCache]: Analyzing trace with hash -599790265, now seen corresponding path program 1 times [2024-04-04 04:55:38,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 04:55:38,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180008146] [2024-04-04 04:55:38,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 04:55:38,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 04:55:39,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 04:55:39,466 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 04:55:39,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 04:55:39,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180008146] [2024-04-04 04:55:39,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1180008146] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 04:55:39,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1020469623] [2024-04-04 04:55:39,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 04:55:39,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 04:55:39,467 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 04:55:39,478 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) [2024-04-04 04:55:39,502 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-04-04 04:55:40,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 04:55:40,102 INFO L262 TraceCheckSpWp]: Trace formula consists of 1212 conjuncts, 53 conjunts are in the unsatisfiable core [2024-04-04 04:55:40,110 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 04:55:40,352 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-04-04 04:55:40,352 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 [2024-04-04 04:55:40,376 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-04-04 04:55:40,376 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 [2024-04-04 04:55:40,394 INFO L349 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2024-04-04 04:55:40,395 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2024-04-04 04:55:40,422 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-04-04 04:55:40,422 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 11 treesize of output 11 [2024-04-04 04:55:41,600 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 [2024-04-04 04:55:41,641 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 [2024-04-04 04:55:41,651 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2024-04-04 04:55:41,656 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2024-04-04 04:55:41,701 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 19 treesize of output 7 [2024-04-04 04:55:41,842 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 [2024-04-04 04:55:41,904 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-04 04:55:41,905 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-04-04 04:55:41,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1020469623] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 04:55:41,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-04-04 04:55:41,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [6] total 23 [2024-04-04 04:55:41,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711275513] [2024-04-04 04:55:41,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 04:55:41,906 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-04-04 04:55:41,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 04:55:41,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-04-04 04:55:41,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=446, Unknown=0, NotChecked=0, Total=506 [2024-04-04 04:55:41,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 04:55:41,907 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 04:55:41,907 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 20.736842105263158) internal successors, (394), 19 states have internal predecessors, (394), 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) [2024-04-04 04:55:41,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 04:55:41,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 04:55:41,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-04 04:55:41,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-04 04:55:41,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-04 04:55:41,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-04 04:55:41,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-04 04:55:41,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-04 04:55:41,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 04:55:46,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 04:55:46,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 04:55:46,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-04 04:55:46,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-04 04:55:46,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 04:55:46,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 04:55:46,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-04 04:55:46,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-04 04:55:46,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-04-04 04:55:46,974 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-04-04 04:55:47,174 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 04:55:47,175 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-04-04 04:55:47,175 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 04:55:47,175 INFO L85 PathProgramCache]: Analyzing trace with hash 245903854, now seen corresponding path program 1 times [2024-04-04 04:55:47,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 04:55:47,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295940355] [2024-04-04 04:55:47,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 04:55:47,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 04:55:47,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 04:55:47,500 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-04 04:55:47,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 04:55:47,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295940355] [2024-04-04 04:55:47,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295940355] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 04:55:47,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 04:55:47,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-04-04 04:55:47,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989427923] [2024-04-04 04:55:47,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 04:55:47,501 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-04-04 04:55:47,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 04:55:47,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-04-04 04:55:47,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-04-04 04:55:47,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 04:55:47,502 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 04:55:47,502 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) [2024-04-04 04:55:47,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 04:55:47,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 04:55:47,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-04 04:55:47,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-04 04:55:47,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 04:55:47,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 04:55:47,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-04 04:55:47,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-04 04:55:47,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-04-04 04:55:47,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 04:55:49,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 04:55:49,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-04 04:55:49,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-04 04:55:49,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-04 04:55:49,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 04:55:49,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 04:55:49,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-04 04:55:49,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-04 04:55:49,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-04-04 04:55:49,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-04 04:55:49,772 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONERROR_FUNCTION (8 of 9 remaining) [2024-04-04 04:55:49,772 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 9 remaining) [2024-04-04 04:55:49,773 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 9 remaining) [2024-04-04 04:55:49,773 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 9 remaining) [2024-04-04 04:55:49,773 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 9 remaining) [2024-04-04 04:55:49,773 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONERROR_FUNCTION (3 of 9 remaining) [2024-04-04 04:55:49,773 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 9 remaining) [2024-04-04 04:55:49,773 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 9 remaining) [2024-04-04 04:55:49,773 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONERROR_FUNCTION (0 of 9 remaining) [2024-04-04 04:55:49,773 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-04-04 04:55:49,777 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-04-04 04:55:49,781 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-04-04 04:55:49,781 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-04-04 04:55:49,786 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.04 04:55:49 BasicIcfg [2024-04-04 04:55:49,786 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-04-04 04:55:49,787 INFO L158 Benchmark]: Toolchain (without parser) took 83174.87ms. Allocated memory was 170.9MB in the beginning and 2.0GB in the end (delta: 1.8GB). Free memory was 93.4MB in the beginning and 739.9MB in the end (delta: -646.5MB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB. [2024-04-04 04:55:49,787 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 170.9MB. Free memory is still 109.8MB. There was no memory consumed. Max. memory is 8.0GB. [2024-04-04 04:55:49,789 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3591.97ms. Allocated memory was 170.9MB in the beginning and 235.9MB in the end (delta: 65.0MB). Free memory was 93.2MB in the beginning and 92.8MB in the end (delta: 368.3kB). Peak memory consumption was 87.8MB. Max. memory is 8.0GB. [2024-04-04 04:55:49,790 INFO L158 Benchmark]: Boogie Procedure Inliner took 137.08ms. Allocated memory is still 235.9MB. Free memory was 92.8MB in the beginning and 80.7MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2024-04-04 04:55:49,790 INFO L158 Benchmark]: Boogie Preprocessor took 88.81ms. Allocated memory is still 235.9MB. Free memory was 80.7MB in the beginning and 170.4MB in the end (delta: -89.7MB). Peak memory consumption was 7.9MB. Max. memory is 8.0GB. [2024-04-04 04:55:49,790 INFO L158 Benchmark]: RCFGBuilder took 1055.98ms. Allocated memory is still 235.9MB. Free memory was 170.4MB in the beginning and 97.0MB in the end (delta: 73.4MB). Peak memory consumption was 73.4MB. Max. memory is 8.0GB. [2024-04-04 04:55:49,790 INFO L158 Benchmark]: TraceAbstraction took 78296.10ms. Allocated memory was 235.9MB in the beginning and 2.0GB in the end (delta: 1.7GB). Free memory was 95.9MB in the beginning and 739.9MB in the end (delta: -644.0MB). Peak memory consumption was 1.1GB. Max. memory is 8.0GB. [2024-04-04 04:55:49,792 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 170.9MB. Free memory is still 109.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 3591.97ms. Allocated memory was 170.9MB in the beginning and 235.9MB in the end (delta: 65.0MB). Free memory was 93.2MB in the beginning and 92.8MB in the end (delta: 368.3kB). Peak memory consumption was 87.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 137.08ms. Allocated memory is still 235.9MB. Free memory was 92.8MB in the beginning and 80.7MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Preprocessor took 88.81ms. Allocated memory is still 235.9MB. Free memory was 80.7MB in the beginning and 170.4MB in the end (delta: -89.7MB). Peak memory consumption was 7.9MB. Max. memory is 8.0GB. * RCFGBuilder took 1055.98ms. Allocated memory is still 235.9MB. Free memory was 170.4MB in the beginning and 97.0MB in the end (delta: 73.4MB). Peak memory consumption was 73.4MB. Max. memory is 8.0GB. * TraceAbstraction took 78296.10ms. Allocated memory was 235.9MB in the beginning and 2.0GB in the end (delta: 1.7GB). Free memory was 95.9MB in the beginning and 739.9MB in the end (delta: -644.0MB). Peak memory consumption was 1.1GB. 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: 705959, independent: 662269, independent conditional: 662216, independent unconditional: 53, dependent: 43690, dependent conditional: 43674, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 663219, independent: 662269, independent conditional: 662216, independent unconditional: 53, dependent: 950, dependent conditional: 950, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 663219, independent: 662269, independent conditional: 662216, independent unconditional: 53, dependent: 950, dependent conditional: 950, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 663219, independent: 662269, independent conditional: 662216, independent unconditional: 53, dependent: 950, dependent conditional: 950, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 668539, independent: 662269, independent conditional: 11539, independent unconditional: 650730, dependent: 6240, dependent conditional: 4230, dependent unconditional: 2010, unknown: 30, unknown conditional: 4, unknown unconditional: 26] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 668539, independent: 662269, independent conditional: 2370, independent unconditional: 659899, dependent: 6240, dependent conditional: 3062, dependent unconditional: 3178, unknown: 30, unknown conditional: 4, unknown unconditional: 26] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 668539, independent: 662269, independent conditional: 2370, independent unconditional: 659899, dependent: 6240, dependent conditional: 3062, dependent unconditional: 3178, unknown: 30, unknown conditional: 4, unknown unconditional: 26] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 12446, independent: 12363, independent conditional: 42, independent unconditional: 12321, dependent: 80, dependent conditional: 62, dependent unconditional: 18, unknown: 3, unknown conditional: 1, unknown unconditional: 2] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 12446, independent: 12347, independent conditional: 0, independent unconditional: 12347, dependent: 99, dependent conditional: 0, dependent unconditional: 99, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 99, independent: 16, independent conditional: 16, independent unconditional: 0, dependent: 80, dependent conditional: 62, dependent unconditional: 18, unknown: 3, unknown conditional: 1, unknown unconditional: 2] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 99, independent: 16, independent conditional: 16, independent unconditional: 0, dependent: 80, dependent conditional: 62, dependent unconditional: 18, unknown: 3, unknown conditional: 1, unknown unconditional: 2] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3342, independent: 63, independent conditional: 63, independent unconditional: 0, dependent: 233, dependent conditional: 153, dependent unconditional: 80, unknown: 3045, unknown conditional: 1012, unknown unconditional: 2033] , Protected Queries: 0 ], Cache Queries: [ total: 668539, independent: 649906, independent conditional: 2328, independent unconditional: 647578, dependent: 6160, dependent conditional: 3000, dependent unconditional: 3160, unknown: 12473, unknown conditional: 108, unknown unconditional: 12365] , Statistics on independence cache: Total cache size (in pairs): 12443, Positive cache size: 12363, Positive conditional cache size: 42, Positive unconditional cache size: 12321, Negative cache size: 80, Negative conditional cache size: 62, Negative unconditional cache size: 18, Unknown cache size: 3, Unknown conditional cache size: 1, Unknown unconditional cache size: 2, Eliminated conditions: 10337, Maximal queried relation: 6, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 668539, independent: 662269, independent conditional: 11539, independent unconditional: 650730, dependent: 6240, dependent conditional: 4230, dependent unconditional: 2010, unknown: 30, unknown conditional: 4, unknown unconditional: 26] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 668539, independent: 662269, independent conditional: 2370, independent unconditional: 659899, dependent: 6240, dependent conditional: 3062, dependent unconditional: 3178, unknown: 30, unknown conditional: 4, unknown unconditional: 26] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 668539, independent: 662269, independent conditional: 2370, independent unconditional: 659899, dependent: 6240, dependent conditional: 3062, dependent unconditional: 3178, unknown: 30, unknown conditional: 4, unknown unconditional: 26] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 12446, independent: 12363, independent conditional: 42, independent unconditional: 12321, dependent: 80, dependent conditional: 62, dependent unconditional: 18, unknown: 3, unknown conditional: 1, unknown unconditional: 2] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 12446, independent: 12347, independent conditional: 0, independent unconditional: 12347, dependent: 99, dependent conditional: 0, dependent unconditional: 99, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 99, independent: 16, independent conditional: 16, independent unconditional: 0, dependent: 80, dependent conditional: 62, dependent unconditional: 18, unknown: 3, unknown conditional: 1, unknown unconditional: 2] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 99, independent: 16, independent conditional: 16, independent unconditional: 0, dependent: 80, dependent conditional: 62, dependent unconditional: 18, unknown: 3, unknown conditional: 1, unknown unconditional: 2] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3342, independent: 63, independent conditional: 63, independent unconditional: 0, dependent: 233, dependent conditional: 153, dependent unconditional: 80, unknown: 3045, unknown conditional: 1012, unknown unconditional: 2033] , Protected Queries: 0 ], Cache Queries: [ total: 668539, independent: 649906, independent conditional: 2328, independent unconditional: 647578, dependent: 6160, dependent conditional: 3000, dependent unconditional: 3160, unknown: 12473, unknown conditional: 108, unknown unconditional: 12365] , Statistics on independence cache: Total cache size (in pairs): 12443, Positive cache size: 12363, Positive conditional cache size: 42, Positive unconditional cache size: 12321, Negative cache size: 80, Negative conditional cache size: 62, Negative unconditional cache size: 18, Unknown cache size: 3, Unknown conditional cache size: 1, Unknown unconditional cache size: 2, Eliminated conditions: 10337 ], Independence queries for same thread: 42740 - 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 - 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, 1068 locations, 9 error locations. Started 1 CEGAR loops. OverallTime: 78.1s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 14.9s, 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: 133, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 59.2s InterpolantComputationTime, 4159 NumberOfCodeBlocks, 4159 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 4552 ConstructedInterpolants, 164 QuantifiedInterpolants, 56470 SizeOfPredicates, 103 NumberOfNonLiveVariables, 3510 ConjunctsInSsa, 291 ConjunctsInUnsatCore, 14 InterpolantComputations, 10 PerfectInterpolantSequences, 6/10 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 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-04-04 04:55:49,812 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 [2024-04-04 04:55:50,036 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...