/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 IA --traceabstraction.criterion.for.conditional.commutativity.checking RANDOM --traceabstraction.probability.for.random.criterion 20 --traceabstraction.seed.for.random.criterion 213 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_configure.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-04 11:52:39,465 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-04 11:52:39,531 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-04 11:52:39,535 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-04 11:52:39,536 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-04 11:52:39,558 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-04 11:52:39,558 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-04 11:52:39,558 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-04 11:52:39,559 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-04 11:52:39,562 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-04 11:52:39,562 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-04 11:52:39,562 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-04 11:52:39,563 INFO L153 SettingsManager]: * Use SBE=true [2024-04-04 11:52:39,564 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-04 11:52:39,564 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-04 11:52:39,564 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-04 11:52:39,565 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-04 11:52:39,565 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-04 11:52:39,565 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-04 11:52:39,565 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-04 11:52:39,565 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-04 11:52:39,566 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-04 11:52:39,566 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-04 11:52:39,567 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-04 11:52:39,567 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-04 11:52:39,567 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-04 11:52:39,567 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-04 11:52:39,567 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-04 11:52:39,567 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-04 11:52:39,568 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-04 11:52:39,569 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-04 11:52:39,569 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-04 11:52:39,569 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-04 11:52:39,569 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-04 11:52:39,569 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-04 11:52:39,569 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-04 11:52:39,569 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-04 11:52:39,570 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-04 11:52:39,570 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-04 11:52:39,570 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> IA Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: probability for random criterion as percentage -> 20 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: seed for random criterion -> 213 [2024-04-04 11:52:39,795 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-04 11:52:39,811 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-04 11:52:39,813 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-04 11:52:39,814 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-04 11:52:39,816 INFO L274 PluginConnector]: CDTParser initialized [2024-04-04 11:52:39,817 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_configure.i [2024-04-04 11:52:40,810 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-04 11:52:41,194 INFO L384 CDTParser]: Found 1 translation units. [2024-04-04 11:52:41,194 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_configure.i [2024-04-04 11:52:41,227 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/1b2472b8a/02100bdc9bd241f5ab372f3295b91be0/FLAG7646e7d9b [2024-04-04 11:52:41,240 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/1b2472b8a/02100bdc9bd241f5ab372f3295b91be0 [2024-04-04 11:52:41,242 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-04 11:52:41,243 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-04 11:52:41,245 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-04 11:52:41,245 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-04 11:52:41,249 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-04 11:52:41,249 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.04 11:52:41" (1/1) ... [2024-04-04 11:52:41,250 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@792a2f22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 11:52:41, skipping insertion in model container [2024-04-04 11:52:41,250 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.04 11:52:41" (1/1) ... [2024-04-04 11:52:41,334 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-04 11:52:41,641 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_configure.i[5469,5482] [2024-04-04 11:52:44,608 WARN L1590 CHandler]: Possible shadowing of function iminor [2024-04-04 11:52:44,608 WARN L1590 CHandler]: Possible shadowing of function iminor [2024-04-04 11:52:44,649 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-04 11:52:44,663 INFO L202 MainTranslator]: Completed pre-run [2024-04-04 11:52:44,673 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_configure.i[5469,5482] [2024-04-04 11:52:44,727 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 11:52:44,729 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 11:52:44,729 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 11:52:44,729 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 11:52:44,814 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] [2024-04-04 11:52:44,841 WARN L1590 CHandler]: Possible shadowing of function iminor [2024-04-04 11:52:44,842 WARN L1590 CHandler]: Possible shadowing of function iminor [2024-04-04 11:52:44,853 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-04 11:52:45,279 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-04-04 11:52:45,279 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-04-04 11:52:45,279 WARN L675 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2024-04-04 11:52:45,279 WARN L675 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2024-04-04 11:52:45,279 WARN L675 CHandler]: The function ____ilog2_NaN is called, but not defined or handled by StandardFunctionHandler. [2024-04-04 11:52:45,279 WARN L675 CHandler]: The function _whoop_init is called, but not defined or handled by StandardFunctionHandler. [2024-04-04 11:52:45,285 INFO L206 MainTranslator]: Completed translation [2024-04-04 11:52:45,285 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 11:52:45 WrapperNode [2024-04-04 11:52:45,286 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-04 11:52:45,287 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-04 11:52:45,287 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-04 11:52:45,287 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-04 11:52:45,293 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 11:52:45" (1/1) ... [2024-04-04 11:52:45,378 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 11:52:45" (1/1) ... [2024-04-04 11:52:45,427 INFO L138 Inliner]: procedures = 1393, calls = 1529, calls flagged for inlining = 392, calls inlined = 75, statements flattened = 839 [2024-04-04 11:52:45,427 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-04 11:52:45,428 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-04 11:52:45,428 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-04 11:52:45,428 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-04 11:52:45,435 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 11:52:45" (1/1) ... [2024-04-04 11:52:45,435 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 11:52:45" (1/1) ... [2024-04-04 11:52:45,440 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 11:52:45" (1/1) ... [2024-04-04 11:52:45,440 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 11:52:45" (1/1) ... [2024-04-04 11:52:45,456 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 11:52:45" (1/1) ... [2024-04-04 11:52:45,468 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 11:52:45" (1/1) ... [2024-04-04 11:52:45,472 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 11:52:45" (1/1) ... [2024-04-04 11:52:45,476 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 11:52:45" (1/1) ... [2024-04-04 11:52:45,483 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-04 11:52:45,484 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-04 11:52:45,484 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-04 11:52:45,484 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-04 11:52:45,484 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 11:52:45" (1/1) ... [2024-04-04 11:52:45,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-04 11:52:45,501 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 11:52:45,522 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 11:52:45,539 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 11:52:45,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-04-04 11:52:45,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-04-04 11:52:45,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-04 11:52:45,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-04-04 11:52:45,568 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_change [2024-04-04 11:52:45,568 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_change [2024-04-04 11:52:45,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-04 11:52:45,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-04 11:52:45,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-04-04 11:52:45,569 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-04 11:52:45,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-04-04 11:52:45,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-04 11:52:45,570 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_configure [2024-04-04 11:52:45,570 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_configure [2024-04-04 11:52:45,570 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-04-04 11:52:45,570 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-04 11:52:45,571 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-04-04 11:52:45,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-04-04 11:52:45,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-04 11:52:45,573 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 11:52:45,922 INFO L241 CfgBuilder]: Building ICFG [2024-04-04 11:52:45,924 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-04 11:52:46,687 INFO L282 CfgBuilder]: Performing block encoding [2024-04-04 11:52:46,715 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-04 11:52:46,715 INFO L309 CfgBuilder]: Removed 25 assume(true) statements. [2024-04-04 11:52:46,717 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 11:52:46 BoogieIcfgContainer [2024-04-04 11:52:46,717 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-04 11:52:46,719 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-04 11:52:46,719 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-04 11:52:46,721 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-04 11:52:46,722 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.04 11:52:41" (1/3) ... [2024-04-04 11:52:46,722 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bbfbd6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.04 11:52:46, skipping insertion in model container [2024-04-04 11:52:46,722 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 11:52:45" (2/3) ... [2024-04-04 11:52:46,722 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bbfbd6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.04 11:52:46, skipping insertion in model container [2024-04-04 11:52:46,722 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 11:52:46" (3/3) ... [2024-04-04 11:52:46,723 INFO L112 eAbstractionObserver]: Analyzing ICFG char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_configure.i [2024-04-04 11:52:46,729 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-04 11:52:46,737 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-04 11:52:46,737 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-04-04 11:52:46,737 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-04 11:52:46,833 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-04-04 11:52:46,872 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-04 11:52:46,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-04 11:52:46,872 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 11:52:46,875 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 11:52:46,878 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 11:52:46,905 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-04 11:52:46,967 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 11:52:46,968 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-04 11:52:46,983 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;@2a2a3598, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=213 [2024-04-04 11:52:46,984 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-04-04 11:52:47,126 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting whoop_wrapper_pc8736x_gpio_changeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-04-04 11:52:47,128 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 11:52:47,128 INFO L85 PathProgramCache]: Analyzing trace with hash 1222302897, now seen corresponding path program 1 times [2024-04-04 11:52:47,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 11:52:47,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460196787] [2024-04-04 11:52:47,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 11:52:47,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 11:52:47,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 11:52:47,552 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 11:52:47,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 11:52:47,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460196787] [2024-04-04 11:52:47,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460196787] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 11:52:47,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 11:52:47,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-04 11:52:47,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214442546] [2024-04-04 11:52:47,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 11:52:47,560 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-04-04 11:52:47,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 11:52:47,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-04 11:52:47,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-04-04 11:52:47,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 11:52:47,619 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 11:52:47,620 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 206.5) internal successors, (413), 2 states have internal predecessors, (413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 11:52:47,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 11:52:47,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 11:52:47,657 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-04 11:52:47,658 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting whoop_wrapper_pc8736x_gpio_changeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-04-04 11:52:47,658 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 11:52:47,658 INFO L85 PathProgramCache]: Analyzing trace with hash -940962004, now seen corresponding path program 1 times [2024-04-04 11:52:47,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 11:52:47,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523469029] [2024-04-04 11:52:47,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 11:52:47,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 11:52:47,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 11:52:48,299 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 11:52:48,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 11:52:48,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523469029] [2024-04-04 11:52:48,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1523469029] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 11:52:48,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 11:52:48,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-04-04 11:52:48,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088806771] [2024-04-04 11:52:48,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 11:52:48,302 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-04-04 11:52:48,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 11:52:48,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-04-04 11:52:48,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-04-04 11:52:48,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 11:52:48,336 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 11:52:48,337 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 45.77777777777778) internal successors, (412), 9 states have internal predecessors, (412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 11:52:48,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 11:52:48,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 11:52:48,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 11:52:48,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 11:52:48,494 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-04-04 11:52:48,494 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting whoop_wrapper_pc8736x_gpio_changeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-04-04 11:52:48,496 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 11:52:48,496 INFO L85 PathProgramCache]: Analyzing trace with hash 1480243170, now seen corresponding path program 1 times [2024-04-04 11:52:48,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 11:52:48,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985996872] [2024-04-04 11:52:48,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 11:52:48,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 11:52:48,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 11:52:49,376 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 11:52:49,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 11:52:49,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985996872] [2024-04-04 11:52:49,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985996872] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 11:52:49,377 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 11:52:49,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-04-04 11:52:49,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022165608] [2024-04-04 11:52:49,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 11:52:49,379 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-04-04 11:52:49,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 11:52:49,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-04-04 11:52:49,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-04-04 11:52:49,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 11:52:49,401 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 11:52:49,402 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 86.6) internal successors, (433), 5 states have internal predecessors, (433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 11:52:49,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 11:52:49,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 11:52:49,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 11:52:49,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 11:52:49,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 11:52:49,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-04 11:52:49,458 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-04-04 11:52:49,458 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting whoop_wrapper_pc8736x_gpio_changeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-04-04 11:52:49,458 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 11:52:49,458 INFO L85 PathProgramCache]: Analyzing trace with hash 941801174, now seen corresponding path program 1 times [2024-04-04 11:52:49,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 11:52:49,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458536843] [2024-04-04 11:52:49,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 11:52:49,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 11:52:49,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 11:52:50,034 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 11:52:50,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 11:52:50,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458536843] [2024-04-04 11:52:50,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [458536843] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 11:52:50,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [759855448] [2024-04-04 11:52:50,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 11:52:50,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 11:52:50,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 11:52:50,038 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 11:52:50,040 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 11:52:50,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 11:52:50,492 INFO L262 TraceCheckSpWp]: Trace formula consists of 1313 conjuncts, 12 conjunts are in the unsatisfiable core [2024-04-04 11:52:50,517 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 11:52:50,594 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 11:52:50,618 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 11:52:50,618 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-04-04 11:52:50,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [759855448] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 11:52:50,618 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-04-04 11:52:50,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2024-04-04 11:52:50,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034392162] [2024-04-04 11:52:50,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 11:52:50,619 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-04 11:52:50,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 11:52:50,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-04 11:52:50,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-04-04 11:52:50,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 11:52:50,652 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 11:52:50,652 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 63.0) internal successors, (441), 7 states have internal predecessors, (441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 11:52:50,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 11:52:50,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 11:52:50,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-04 11:52:50,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 11:52:50,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 11:52:50,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 11:52:50,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-04 11:52:50,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-04 11:52:50,807 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-04-04 11:52:51,004 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 11:52:51,005 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-04-04 11:52:51,005 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 11:52:51,006 INFO L85 PathProgramCache]: Analyzing trace with hash -868660380, now seen corresponding path program 1 times [2024-04-04 11:52:51,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 11:52:51,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746830674] [2024-04-04 11:52:51,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 11:52:51,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 11:52:51,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 11:52:51,662 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 11:52:51,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 11:52:51,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746830674] [2024-04-04 11:52:51,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1746830674] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 11:52:51,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [164459112] [2024-04-04 11:52:51,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 11:52:51,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 11:52:51,663 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 11:52:51,664 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 11:52:51,666 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 11:52:52,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 11:52:52,562 INFO L262 TraceCheckSpWp]: Trace formula consists of 1473 conjuncts, 201 conjunts are in the unsatisfiable core [2024-04-04 11:52:52,574 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 11:52:53,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 11:52:53,130 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 11:52:53,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 11:52:53,154 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 11:52:53,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 11:52:53,175 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 11:52:53,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 11:52:53,195 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 11:52:53,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 11:52:53,217 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 11:52:53,628 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-04-04 11:52:53,629 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 11:52:53,709 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-04-04 11:52:53,710 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 11:52:53,784 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-04-04 11:52:53,784 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 11:52:53,854 INFO L349 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2024-04-04 11:52:53,854 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2024-04-04 11:52:54,009 INFO L349 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2024-04-04 11:52:54,010 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2024-04-04 11:52:54,213 INFO L349 Elim1Store]: treesize reduction 60, result has 31.8 percent of original size [2024-04-04 11:52:54,213 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 29 treesize of output 40 [2024-04-04 11:52:54,334 INFO L349 Elim1Store]: treesize reduction 60, result has 31.8 percent of original size [2024-04-04 11:52:54,335 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 29 treesize of output 40 [2024-04-04 11:52:54,448 INFO L349 Elim1Store]: treesize reduction 60, result has 31.8 percent of original size [2024-04-04 11:52:54,448 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 29 treesize of output 40 [2024-04-04 11:52:54,563 INFO L349 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2024-04-04 11:52:54,564 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 27 treesize of output 45 [2024-04-04 11:52:54,830 INFO L349 Elim1Store]: treesize reduction 72, result has 33.9 percent of original size [2024-04-04 11:52:54,830 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 32 treesize of output 57 [2024-04-04 11:52:57,207 INFO L349 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2024-04-04 11:52:57,207 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 37 treesize of output 69 [2024-04-04 11:52:58,193 INFO L349 Elim1Store]: treesize reduction 108, result has 33.7 percent of original size [2024-04-04 11:52:58,194 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 42 treesize of output 81 [2024-04-04 11:53:01,362 INFO L349 Elim1Store]: treesize reduction 126, result has 33.7 percent of original size [2024-04-04 11:53:01,362 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 14 case distinctions, treesize of input 47 treesize of output 93 [2024-04-04 11:53:11,704 INFO L349 Elim1Store]: treesize reduction 160, result has 31.3 percent of original size [2024-04-04 11:53:11,704 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 16 case distinctions, treesize of input 54 treesize of output 100 [2024-04-04 11:53:12,438 INFO L349 Elim1Store]: treesize reduction 160, result has 31.3 percent of original size [2024-04-04 11:53:12,438 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 16 case distinctions, treesize of input 54 treesize of output 100 [2024-04-04 11:53:13,223 INFO L349 Elim1Store]: treesize reduction 160, result has 31.3 percent of original size [2024-04-04 11:53:13,223 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 16 case distinctions, treesize of input 54 treesize of output 100 [2024-04-04 11:53:13,950 INFO L349 Elim1Store]: treesize reduction 160, result has 31.3 percent of original size [2024-04-04 11:53:13,951 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 16 case distinctions, treesize of input 54 treesize of output 100 [2024-04-04 11:53:14,685 INFO L349 Elim1Store]: treesize reduction 160, result has 31.3 percent of original size [2024-04-04 11:53:14,685 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 16 case distinctions, treesize of input 54 treesize of output 100 [2024-04-04 11:53:15,410 INFO L349 Elim1Store]: treesize reduction 160, result has 31.3 percent of original size [2024-04-04 11:53:15,410 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 16 case distinctions, treesize of input 54 treesize of output 100 [2024-04-04 11:53:16,153 INFO L349 Elim1Store]: treesize reduction 144, result has 33.6 percent of original size [2024-04-04 11:53:16,153 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 16 case distinctions, treesize of input 52 treesize of output 105 [2024-04-04 11:53:37,002 INFO L349 Elim1Store]: treesize reduction 180, result has 31.3 percent of original size [2024-04-04 11:53:37,002 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 18 case distinctions, treesize of input 59 treesize of output 112 [2024-04-04 11:53:41,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 11:53:41,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 11:53:41,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 11:53:41,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 11:53:41,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 11:53:41,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 11:53:41,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 11:53:41,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 11:53:41,937 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-04-04 11:53:41,937 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 44 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 2 case distinctions, treesize of input 59 treesize of output 80 [2024-04-04 11:53:49,483 INFO L349 Elim1Store]: treesize reduction 180, result has 31.3 percent of original size [2024-04-04 11:53:49,484 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 18 case distinctions, treesize of input 59 treesize of output 112 [2024-04-04 11:54:14,317 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 11:54:25,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 11:54:25,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 11:54:25,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 11:54:25,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 11:54:25,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 11:54:25,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 11:54:25,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 11:54:25,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 11:54:25,399 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 73 [2024-04-04 11:54:28,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 11:54:28,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 11:54:28,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 11:54:28,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 11:54:28,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 11:54:28,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 11:54:28,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 11:54:28,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 11:54:28,705 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-04-04 11:54:28,705 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 44 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 2 case distinctions, treesize of input 59 treesize of output 80 [2024-04-04 11:54:33,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 11:54:33,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 11:54:33,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 11:54:33,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 11:54:33,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 11:54:33,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 11:54:33,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 11:54:33,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 11:54:33,737 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-04-04 11:54:33,737 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 44 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 35 [2024-04-04 11:54:33,826 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 11:54:34,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 11:54:34,176 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 11:54:35,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 11:54:35,679 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 11:54:35,873 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 11:54:38,462 INFO L349 Elim1Store]: treesize reduction 48, result has 48.4 percent of original size [2024-04-04 11:54:38,462 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 11:54:38,614 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 11:54:38,615 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 11:54:38,784 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 11:54:38,784 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 11:54:39,018 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 11:54:39,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [164459112] provided 1 perfect and 1 imperfect interpolant sequences [2024-04-04 11:54:39,018 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-04-04 11:54:39,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6, 49] total 58 [2024-04-04 11:54:39,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349292303] [2024-04-04 11:54:39,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 11:54:39,019 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-04 11:54:39,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 11:54:39,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-04 11:54:39,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=351, Invalid=2938, Unknown=17, NotChecked=0, Total=3306 [2024-04-04 11:54:39,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 11:54:39,057 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 11:54:39,057 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 77.14285714285714) internal successors, (540), 7 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 11:54:39,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 11:54:39,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 11:54:39,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-04 11:54:39,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-04 11:54:39,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 11:54:43,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 11:54:43,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 11:54:43,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-04 11:54:43,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 11:54:43,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-04 11:54:43,030 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-04-04 11:54:43,219 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 11:54:43,220 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-04-04 11:54:43,221 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 11:54:43,221 INFO L85 PathProgramCache]: Analyzing trace with hash -284476356, now seen corresponding path program 2 times [2024-04-04 11:54:43,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 11:54:43,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929101335] [2024-04-04 11:54:43,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 11:54:43,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 11:54:43,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 11:54:43,859 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 11:54:43,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 11:54:43,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929101335] [2024-04-04 11:54:43,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929101335] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 11:54:43,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1237744344] [2024-04-04 11:54:43,859 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 11:54:43,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 11:54:43,860 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 11:54:43,861 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 11:54:43,863 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 11:54:44,863 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-04-04 11:54:44,863 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 11:54:44,871 INFO L262 TraceCheckSpWp]: Trace formula consists of 1451 conjuncts, 30 conjunts are in the unsatisfiable core [2024-04-04 11:54:44,878 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 11:54:45,871 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 11:54:45,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 11:54:45,900 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 11:54:46,005 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 11:54:46,049 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 11:54:46,049 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-04-04 11:54:46,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1237744344] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 11:54:46,050 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-04-04 11:54:46,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [6] total 21 [2024-04-04 11:54:46,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979211472] [2024-04-04 11:54:46,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 11:54:46,050 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-04-04 11:54:46,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 11:54:47,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-04-04 11:54:47,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=366, Unknown=0, NotChecked=0, Total=420 [2024-04-04 11:54:47,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 11:54:47,267 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 11:54:47,268 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 31.764705882352942) internal successors, (540), 17 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 11:54:47,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 11:54:47,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 11:54:47,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-04 11:54:47,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 11:54:47,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-04 11:54:47,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 11:54:58,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 11:54:58,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 11:54:58,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-04 11:54:58,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 11:54:58,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-04 11:54:58,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-04 11:54:58,731 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 11:54:58,926 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 11:54:58,926 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-04-04 11:54:58,927 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 11:54:58,927 INFO L85 PathProgramCache]: Analyzing trace with hash -1668035140, now seen corresponding path program 3 times [2024-04-04 11:54:58,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 11:54:58,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017661575] [2024-04-04 11:54:58,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 11:54:58,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 11:54:59,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 11:54:59,550 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 11:54:59,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 11:54:59,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017661575] [2024-04-04 11:54:59,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017661575] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 11:54:59,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [333880333] [2024-04-04 11:54:59,552 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-04 11:54:59,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 11:54:59,552 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 11:54:59,555 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 11:54:59,557 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-04-04 11:55:00,369 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-04-04 11:55:00,370 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 11:55:00,376 INFO L262 TraceCheckSpWp]: Trace formula consists of 1451 conjuncts, 33 conjunts are in the unsatisfiable core [2024-04-04 11:55:00,386 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 11:55:01,536 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 11:55:01,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 11:55:01,563 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 11:55:02,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 11:55:02,493 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 11:55:02,600 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 11:55:02,660 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 11:55:02,660 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-04-04 11:55:02,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [333880333] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 11:55:02,660 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-04-04 11:55:02,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [6] total 24 [2024-04-04 11:55:02,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760909989] [2024-04-04 11:55:02,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 11:55:02,661 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-04-04 11:55:02,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 11:55:03,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-04-04 11:55:03,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=470, Unknown=0, NotChecked=0, Total=552 [2024-04-04 11:55:03,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 11:55:03,905 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 11:55:03,906 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 27.0) internal successors, (540), 20 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 11:55:03,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 11:55:03,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 11:55:03,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-04 11:55:03,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 11:55:03,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-04 11:55:03,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-04 11:55:03,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 11:55:10,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 11:55:10,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 11:55:10,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-04 11:55:10,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 11:55:10,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-04 11:55:10,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-04 11:55:10,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-04 11:55:10,877 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-04-04 11:55:11,072 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-04-04 11:55:11,072 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-04-04 11:55:11,073 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 11:55:11,073 INFO L85 PathProgramCache]: Analyzing trace with hash -955887911, now seen corresponding path program 1 times [2024-04-04 11:55:11,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 11:55:11,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741999481] [2024-04-04 11:55:11,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 11:55:11,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 11:55:11,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 11:55:11,451 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 11:55:11,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 11:55:11,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741999481] [2024-04-04 11:55:11,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1741999481] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 11:55:11,451 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 11:55:11,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-04-04 11:55:11,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388249568] [2024-04-04 11:55:11,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 11:55:11,452 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-04-04 11:55:11,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 11:55:11,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-04-04 11:55:11,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-04-04 11:55:11,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 11:55:11,455 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 11:55:11,455 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 11:55:11,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 11:55:11,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 11:55:11,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-04 11:55:11,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 11:55:11,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-04 11:55:11,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-04 11:55:11,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-04 11:55:11,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 11:55:14,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 11:55:14,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-04 11:55:14,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-04 11:55:14,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 11:55:14,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-04 11:55:14,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-04 11:55:14,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-04 11:55:14,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-04 11:55:14,925 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 7 remaining) [2024-04-04 11:55:14,926 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 7 remaining) [2024-04-04 11:55:14,926 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2024-04-04 11:55:14,926 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 7 remaining) [2024-04-04 11:55:14,926 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONERROR_FUNCTION (2 of 7 remaining) [2024-04-04 11:55:14,926 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 7 remaining) [2024-04-04 11:55:14,926 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONERROR_FUNCTION (0 of 7 remaining) [2024-04-04 11:55:14,926 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-04-04 11:55:14,930 INFO L445 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1, 1] [2024-04-04 11:55:14,933 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-04-04 11:55:14,933 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-04-04 11:55:14,935 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.04 11:55:14 BasicIcfg [2024-04-04 11:55:14,935 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-04-04 11:55:14,935 INFO L158 Benchmark]: Toolchain (without parser) took 153692.28ms. Allocated memory was 296.7MB in the beginning and 4.1GB in the end (delta: 3.8GB). Free memory was 215.2MB in the beginning and 3.3GB in the end (delta: -3.1GB). Peak memory consumption was 684.8MB. Max. memory is 8.0GB. [2024-04-04 11:55:14,936 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 296.7MB. Free memory is still 266.7MB. There was no memory consumed. Max. memory is 8.0GB. [2024-04-04 11:55:14,936 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4040.49ms. Allocated memory is still 296.7MB. Free memory was 214.9MB in the beginning and 133.7MB in the end (delta: 81.2MB). Peak memory consumption was 123.8MB. Max. memory is 8.0GB. [2024-04-04 11:55:14,936 INFO L158 Benchmark]: Boogie Procedure Inliner took 140.29ms. Allocated memory is still 296.7MB. Free memory was 133.7MB in the beginning and 121.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2024-04-04 11:55:14,936 INFO L158 Benchmark]: Boogie Preprocessor took 55.26ms. Allocated memory is still 296.7MB. Free memory was 121.1MB in the beginning and 114.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2024-04-04 11:55:14,936 INFO L158 Benchmark]: RCFGBuilder took 1233.43ms. Allocated memory was 296.7MB in the beginning and 410.0MB in the end (delta: 113.2MB). Free memory was 114.3MB in the beginning and 266.9MB in the end (delta: -152.6MB). Peak memory consumption was 17.3MB. Max. memory is 8.0GB. [2024-04-04 11:55:14,936 INFO L158 Benchmark]: TraceAbstraction took 148216.28ms. Allocated memory was 410.0MB in the beginning and 4.1GB in the end (delta: 3.7GB). Free memory was 265.8MB in the beginning and 3.3GB in the end (delta: -3.0GB). Peak memory consumption was 621.3MB. Max. memory is 8.0GB. [2024-04-04 11:55:14,945 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 296.7MB. Free memory is still 266.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 4040.49ms. Allocated memory is still 296.7MB. Free memory was 214.9MB in the beginning and 133.7MB in the end (delta: 81.2MB). Peak memory consumption was 123.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 140.29ms. Allocated memory is still 296.7MB. Free memory was 133.7MB in the beginning and 121.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Preprocessor took 55.26ms. Allocated memory is still 296.7MB. Free memory was 121.1MB in the beginning and 114.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * RCFGBuilder took 1233.43ms. Allocated memory was 296.7MB in the beginning and 410.0MB in the end (delta: 113.2MB). Free memory was 114.3MB in the beginning and 266.9MB in the end (delta: -152.6MB). Peak memory consumption was 17.3MB. Max. memory is 8.0GB. * TraceAbstraction took 148216.28ms. Allocated memory was 410.0MB in the beginning and 4.1GB in the end (delta: 3.7GB). Free memory was 265.8MB in the beginning and 3.3GB in the end (delta: -3.0GB). Peak memory consumption was 621.3MB. 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: 638550, independent: 613382, independent conditional: 612957, independent unconditional: 425, dependent: 25145, dependent conditional: 25118, dependent unconditional: 27, unknown: 23, unknown conditional: 23, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 614386, independent: 613382, independent conditional: 612957, independent unconditional: 425, dependent: 981, dependent conditional: 981, dependent unconditional: 0, unknown: 23, unknown conditional: 23, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 614386, independent: 613382, independent conditional: 612957, independent unconditional: 425, dependent: 981, dependent conditional: 981, dependent unconditional: 0, unknown: 23, unknown conditional: 23, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 614386, independent: 613382, independent conditional: 612957, independent unconditional: 425, dependent: 981, dependent conditional: 981, dependent unconditional: 0, unknown: 23, unknown conditional: 23, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 618796, independent: 613382, independent conditional: 1471, independent unconditional: 611911, dependent: 5294, dependent conditional: 3311, dependent unconditional: 1983, unknown: 120, unknown conditional: 70, unknown unconditional: 50] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 618796, independent: 613382, independent conditional: 1188, independent unconditional: 612194, dependent: 5294, dependent conditional: 2023, dependent unconditional: 3271, unknown: 120, unknown conditional: 44, unknown unconditional: 76] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 618796, independent: 613382, independent conditional: 1188, independent unconditional: 612194, dependent: 5294, dependent conditional: 2023, dependent unconditional: 3271, unknown: 120, unknown conditional: 44, unknown unconditional: 76] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 40577, independent: 40461, independent conditional: 239, independent unconditional: 40222, dependent: 103, dependent conditional: 77, dependent unconditional: 26, unknown: 13, unknown conditional: 9, unknown unconditional: 4] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 40577, independent: 40444, independent conditional: 0, independent unconditional: 40444, dependent: 133, dependent conditional: 0, dependent unconditional: 133, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 133, independent: 17, independent conditional: 17, independent unconditional: 0, dependent: 103, dependent conditional: 77, dependent unconditional: 26, unknown: 13, unknown conditional: 9, unknown unconditional: 4] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 133, independent: 17, independent conditional: 17, independent unconditional: 0, dependent: 103, dependent conditional: 77, dependent unconditional: 26, unknown: 13, unknown conditional: 9, unknown unconditional: 4] , SemanticIndependenceRelation.Query Time [ms]: [ total: 14838, independent: 219, independent conditional: 219, independent unconditional: 0, dependent: 488, dependent conditional: 262, dependent unconditional: 226, unknown: 14131, unknown conditional: 9756, unknown unconditional: 4375] , Protected Queries: 0 ], Cache Queries: [ total: 618796, independent: 572921, independent conditional: 949, independent unconditional: 571972, dependent: 5191, dependent conditional: 1946, dependent unconditional: 3245, unknown: 40684, unknown conditional: 360, unknown unconditional: 40324] , Statistics on independence cache: Total cache size (in pairs): 40564, Positive cache size: 40461, Positive conditional cache size: 239, Positive unconditional cache size: 40222, Negative cache size: 103, Negative conditional cache size: 77, Negative unconditional cache size: 26, Unknown cache size: 13, Unknown conditional cache size: 9, Unknown unconditional cache size: 4, Eliminated conditions: 1597, Maximal queried relation: 5, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 618796, independent: 613382, independent conditional: 1471, independent unconditional: 611911, dependent: 5294, dependent conditional: 3311, dependent unconditional: 1983, unknown: 120, unknown conditional: 70, unknown unconditional: 50] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 618796, independent: 613382, independent conditional: 1188, independent unconditional: 612194, dependent: 5294, dependent conditional: 2023, dependent unconditional: 3271, unknown: 120, unknown conditional: 44, unknown unconditional: 76] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 618796, independent: 613382, independent conditional: 1188, independent unconditional: 612194, dependent: 5294, dependent conditional: 2023, dependent unconditional: 3271, unknown: 120, unknown conditional: 44, unknown unconditional: 76] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 40577, independent: 40461, independent conditional: 239, independent unconditional: 40222, dependent: 103, dependent conditional: 77, dependent unconditional: 26, unknown: 13, unknown conditional: 9, unknown unconditional: 4] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 40577, independent: 40444, independent conditional: 0, independent unconditional: 40444, dependent: 133, dependent conditional: 0, dependent unconditional: 133, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 133, independent: 17, independent conditional: 17, independent unconditional: 0, dependent: 103, dependent conditional: 77, dependent unconditional: 26, unknown: 13, unknown conditional: 9, unknown unconditional: 4] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 133, independent: 17, independent conditional: 17, independent unconditional: 0, dependent: 103, dependent conditional: 77, dependent unconditional: 26, unknown: 13, unknown conditional: 9, unknown unconditional: 4] , SemanticIndependenceRelation.Query Time [ms]: [ total: 14838, independent: 219, independent conditional: 219, independent unconditional: 0, dependent: 488, dependent conditional: 262, dependent unconditional: 226, unknown: 14131, unknown conditional: 9756, unknown unconditional: 4375] , Protected Queries: 0 ], Cache Queries: [ total: 618796, independent: 572921, independent conditional: 949, independent unconditional: 571972, dependent: 5191, dependent conditional: 1946, dependent unconditional: 3245, unknown: 40684, unknown conditional: 360, unknown unconditional: 40324] , Statistics on independence cache: Total cache size (in pairs): 40564, Positive cache size: 40461, Positive conditional cache size: 239, Positive unconditional cache size: 40222, Negative cache size: 103, Negative conditional cache size: 77, Negative unconditional cache size: 26, Unknown cache size: 13, Unknown conditional cache size: 9, Unknown unconditional cache size: 4, Eliminated conditions: 1597 ], Independence queries for same thread: 24164 - PositiveResult [Line: 174]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 174]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 174]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 1334 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 148.0s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 26.4s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 116, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 3.0s SatisfiabilityAnalysisTime, 113.3s InterpolantComputationTime, 5644 NumberOfCodeBlocks, 5628 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 6171 ConstructedInterpolants, 168 QuantifiedInterpolants, 66360 SizeOfPredicates, 101 NumberOfNonLiveVariables, 5688 ConjunctsInSsa, 276 ConjunctsInUnsatCore, 13 InterpolantComputations, 8 PerfectInterpolantSequences, 5/10 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-04-04 11:55:14,993 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-04-04 11:55:15,265 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...