./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_current_pc8736x_gpio_set.i --traceabstraction.use.conditional.por.in.concurrent.analysis true --traceabstraction.commutativity.condition.synthesis NONE --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ebd41074 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_current_pc8736x_gpio_set.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3525eea4a1f6b36d130124e825449a8b102df7499c840f0823cafae46c935168 --traceabstraction.use.conditional.por.in.concurrent.analysis true --traceabstraction.commutativity.condition.synthesis NONE --- Real Ultimate output --- This is Ultimate 0.3.0-dev-ebd4107-m [2025-01-23 09:26:38,499 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-23 09:26:38,569 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2025-01-23 09:26:38,574 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-23 09:26:38,574 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-23 09:26:38,596 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-23 09:26:38,597 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-23 09:26:38,597 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-23 09:26:38,597 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-23 09:26:38,598 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-23 09:26:38,598 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-23 09:26:38,598 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-23 09:26:38,599 INFO L153 SettingsManager]: * Use SBE=true [2025-01-23 09:26:38,599 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-23 09:26:38,599 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-23 09:26:38,599 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-23 09:26:38,600 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-23 09:26:38,600 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-23 09:26:38,600 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-23 09:26:38,600 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-23 09:26:38,600 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-23 09:26:38,600 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-23 09:26:38,600 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-23 09:26:38,600 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-23 09:26:38,600 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-23 09:26:38,600 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-23 09:26:38,600 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-23 09:26:38,600 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-23 09:26:38,601 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-23 09:26:38,601 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-23 09:26:38,601 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-23 09:26:38,601 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-23 09:26:38,601 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-23 09:26:38,601 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-23 09:26:38,601 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-01-23 09:26:38,602 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-23 09:26:38,602 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-23 09:26:38,602 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-01-23 09:26:38,602 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-23 09:26:38,602 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-23 09:26:38,602 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-01-23 09:26:38,602 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-01-23 09:26:38,602 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-01-23 09:26:38,602 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3525eea4a1f6b36d130124e825449a8b102df7499c840f0823cafae46c935168 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use conditional POR in concurrent analysis -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> NONE [2025-01-23 09:26:38,856 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-23 09:26:38,861 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-23 09:26:38,862 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-23 09:26:38,863 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-23 09:26:38,863 INFO L274 PluginConnector]: CDTParser initialized [2025-01-23 09:26:38,864 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_current_pc8736x_gpio_set.i [2025-01-23 09:26:39,935 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/435b80411/c7e998afb39e47d6a6eaf89e736ab495/FLAG465178b68 [2025-01-23 09:26:40,365 INFO L384 CDTParser]: Found 1 translation units. [2025-01-23 09:26:40,366 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_current_pc8736x_gpio_set.i [2025-01-23 09:26:40,407 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/435b80411/c7e998afb39e47d6a6eaf89e736ab495/FLAG465178b68 [2025-01-23 09:26:40,421 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/435b80411/c7e998afb39e47d6a6eaf89e736ab495 [2025-01-23 09:26:40,425 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-23 09:26:40,426 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-23 09:26:40,427 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-23 09:26:40,427 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-23 09:26:40,430 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-23 09:26:40,431 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.01 09:26:40" (1/1) ... [2025-01-23 09:26:40,431 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a6327a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 09:26:40, skipping insertion in model container [2025-01-23 09:26:40,431 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.01 09:26:40" (1/1) ... [2025-01-23 09:26:40,503 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-23 09:26:40,733 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_current_pc8736x_gpio_set.i[5520,5533] [2025-01-23 09:26:43,302 WARN L1731 CHandler]: Possible shadowing of function iminor [2025-01-23 09:26:43,302 WARN L1731 CHandler]: Possible shadowing of function iminor [2025-01-23 09:26:43,357 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-23 09:26:43,369 INFO L200 MainTranslator]: Completed pre-run [2025-01-23 09:26:43,410 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_current_pc8736x_gpio_set.i[5520,5533] [2025-01-23 09:26:43,483 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "b %b0, %1\n" : "+q" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] [2025-01-23 09:26:43,485 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "w %w0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] [2025-01-23 09:26:43,485 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "l %0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] [2025-01-23 09:26:43,485 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "q %q0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] [2025-01-23 09:26:43,598 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5817] [2025-01-23 09:26:43,626 WARN L1731 CHandler]: Possible shadowing of function iminor [2025-01-23 09:26:43,627 WARN L1731 CHandler]: Possible shadowing of function iminor [2025-01-23 09:26:43,638 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-23 09:26:44,021 INFO L204 MainTranslator]: Completed translation [2025-01-23 09:26:44,022 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 09:26:44 WrapperNode [2025-01-23 09:26:44,022 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-23 09:26:44,023 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-23 09:26:44,023 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-23 09:26:44,023 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-23 09:26:44,028 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 09:26:44" (1/1) ... [2025-01-23 09:26:44,084 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 09:26:44" (1/1) ... [2025-01-23 09:26:44,130 INFO L138 Inliner]: procedures = 1394, calls = 1549, calls flagged for inlining = 397, calls inlined = 51, statements flattened = 712 [2025-01-23 09:26:44,130 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-23 09:26:44,131 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-23 09:26:44,131 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-23 09:26:44,131 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-23 09:26:44,139 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 09:26:44" (1/1) ... [2025-01-23 09:26:44,139 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 09:26:44" (1/1) ... [2025-01-23 09:26:44,146 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 09:26:44" (1/1) ... [2025-01-23 09:26:44,146 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 09:26:44" (1/1) ... [2025-01-23 09:26:44,167 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 09:26:44" (1/1) ... [2025-01-23 09:26:44,169 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 09:26:44" (1/1) ... [2025-01-23 09:26:44,177 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 09:26:44" (1/1) ... [2025-01-23 09:26:44,183 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 09:26:44" (1/1) ... [2025-01-23 09:26:44,190 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 09:26:44" (1/1) ... [2025-01-23 09:26:44,200 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-23 09:26:44,204 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-23 09:26:44,204 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-23 09:26:44,204 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-23 09:26:44,205 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 09:26:44" (1/1) ... [2025-01-23 09:26:44,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-23 09:26:44,222 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 09:26:44,237 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2025-01-23 09:26:44,244 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2025-01-23 09:26:44,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-01-23 09:26:44,262 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-23 09:26:44,262 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-23 09:26:44,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2025-01-23 09:26:44,262 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_current [2025-01-23 09:26:44,262 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_current [2025-01-23 09:26:44,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-23 09:26:44,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-23 09:26:44,262 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-23 09:26:44,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2025-01-23 09:26:44,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-01-23 09:26:44,263 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-01-23 09:26:44,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-23 09:26:44,263 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-01-23 09:26:44,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2025-01-23 09:26:44,263 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_set [2025-01-23 09:26:44,263 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_set [2025-01-23 09:26:44,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-01-23 09:26:44,265 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-01-23 09:26:44,598 INFO L234 CfgBuilder]: Building ICFG [2025-01-23 09:26:44,600 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-23 09:26:45,174 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-01-23 09:26:45,174 INFO L283 CfgBuilder]: Performing block encoding [2025-01-23 09:26:45,752 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-23 09:26:45,752 INFO L312 CfgBuilder]: Removed 11 assume(true) statements. [2025-01-23 09:26:45,752 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.01 09:26:45 BoogieIcfgContainer [2025-01-23 09:26:45,753 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-23 09:26:45,754 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-23 09:26:45,754 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-23 09:26:45,757 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-23 09:26:45,758 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.01 09:26:40" (1/3) ... [2025-01-23 09:26:45,758 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@509fff98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.01 09:26:45, skipping insertion in model container [2025-01-23 09:26:45,758 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 09:26:44" (2/3) ... [2025-01-23 09:26:45,758 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@509fff98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.01 09:26:45, skipping insertion in model container [2025-01-23 09:26:45,758 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.01 09:26:45" (3/3) ... [2025-01-23 09:26:45,763 INFO L128 eAbstractionObserver]: Analyzing ICFG char_pc8736x_gpio_pc8736x_gpio_current_pc8736x_gpio_set.i [2025-01-23 09:26:45,785 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-23 09:26:45,787 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG char_pc8736x_gpio_pc8736x_gpio_current_pc8736x_gpio_set.i that has 3 procedures, 68 locations, 1 initial locations, 14 loop locations, and 3 error locations. [2025-01-23 09:26:45,791 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-01-23 09:26:45,857 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-01-23 09:26:45,915 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-23 09:26:45,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-01-23 09:26:45,915 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 09:26:45,918 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2025-01-23 09:26:45,919 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2025-01-23 09:26:46,128 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-01-23 09:26:46,135 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == whoop_wrapper_pc8736x_gpio_currentThread1of1ForFork1 ======== [2025-01-23 09:26:46,139 INFO L333 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, 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;@6751ef0a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-23 09:26:46,139 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-23 09:26:46,310 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-23 09:26:46,313 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 09:26:46,313 INFO L85 PathProgramCache]: Analyzing trace with hash 1707802554, now seen corresponding path program 1 times [2025-01-23 09:26:46,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 09:26:46,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577998498] [2025-01-23 09:26:46,318 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 09:26:46,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 09:26:46,435 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-01-23 09:26:46,522 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-01-23 09:26:46,522 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 09:26:46,523 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 09:26:46,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 09:26:46,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 09:26:46,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577998498] [2025-01-23 09:26:46,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1577998498] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-23 09:26:46,859 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-23 09:26:46,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-23 09:26:46,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520677951] [2025-01-23 09:26:46,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-23 09:26:46,863 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-23 09:26:46,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 09:26:46,876 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-23 09:26:46,877 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-23 09:26:46,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 09:26:46,879 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 09:26:46,880 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2025-01-23 09:26:46,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 09:26:47,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 09:26:47,021 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-23 09:26:47,022 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-23 09:26:47,022 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 09:26:47,022 INFO L85 PathProgramCache]: Analyzing trace with hash -307044559, now seen corresponding path program 1 times [2025-01-23 09:26:47,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 09:26:47,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702365305] [2025-01-23 09:26:47,023 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 09:26:47,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 09:26:47,094 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-01-23 09:26:47,166 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-01-23 09:26:47,166 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 09:26:47,166 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 09:26:47,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 09:26:47,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 09:26:47,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702365305] [2025-01-23 09:26:47,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [702365305] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-23 09:26:47,430 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-23 09:26:47,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-23 09:26:47,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107677330] [2025-01-23 09:26:47,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-23 09:26:47,431 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-23 09:26:47,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 09:26:47,431 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-23 09:26:47,432 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-23 09:26:47,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 09:26:47,433 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 09:26:47,433 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 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) [2025-01-23 09:26:47,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 09:26:47,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 09:26:47,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 09:26:47,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 09:26:47,502 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-23 09:26:47,502 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-23 09:26:47,502 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 09:26:47,503 INFO L85 PathProgramCache]: Analyzing trace with hash -2112557382, now seen corresponding path program 1 times [2025-01-23 09:26:47,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 09:26:47,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091747873] [2025-01-23 09:26:47,503 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 09:26:47,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 09:26:47,569 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-01-23 09:26:47,656 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-01-23 09:26:47,656 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 09:26:47,656 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 09:26:47,889 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 09:26:47,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 09:26:47,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091747873] [2025-01-23 09:26:47,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091747873] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 09:26:47,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [597280756] [2025-01-23 09:26:47,890 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 09:26:47,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 09:26:47,890 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 09:26:47,892 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 09:26:47,894 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-01-23 09:26:48,112 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-01-23 09:26:48,349 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-01-23 09:26:48,349 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 09:26:48,349 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 09:26:48,352 INFO L256 TraceCheckSpWp]: Trace formula consists of 666 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-01-23 09:26:48,356 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 09:26:48,371 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-23 09:26:48,371 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-23 09:26:48,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [597280756] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-23 09:26:48,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-23 09:26:48,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 5 [2025-01-23 09:26:48,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230810249] [2025-01-23 09:26:48,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-23 09:26:48,372 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-23 09:26:48,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 09:26:48,372 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-23 09:26:48,372 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-23 09:26:48,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 09:26:48,372 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 09:26:48,372 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 09:26:48,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 09:26:48,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-23 09:26:48,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 09:26:48,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 09:26:48,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 09:26:48,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 09:26:48,638 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-01-23 09:26:48,832 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 09:26:48,832 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-23 09:26:48,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 09:26:48,833 INFO L85 PathProgramCache]: Analyzing trace with hash 977854165, now seen corresponding path program 1 times [2025-01-23 09:26:48,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 09:26:48,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676844377] [2025-01-23 09:26:48,833 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 09:26:48,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 09:26:48,886 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-01-23 09:26:48,936 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-01-23 09:26:48,936 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 09:26:48,936 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 09:26:49,157 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 09:26:49,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 09:26:49,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676844377] [2025-01-23 09:26:49,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1676844377] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 09:26:49,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2141189624] [2025-01-23 09:26:49,158 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 09:26:49,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 09:26:49,158 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 09:26:49,160 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 09:26:49,162 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-01-23 09:26:49,361 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-01-23 09:26:49,716 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-01-23 09:26:49,716 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 09:26:49,716 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 09:26:49,719 INFO L256 TraceCheckSpWp]: Trace formula consists of 707 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-01-23 09:26:49,721 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 09:26:49,735 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 09:26:49,735 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 09:26:49,768 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 09:26:49,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2141189624] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 09:26:49,768 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 09:26:49,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2025-01-23 09:26:49,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795502610] [2025-01-23 09:26:49,768 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 09:26:49,769 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-23 09:26:49,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 09:26:49,769 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-23 09:26:49,770 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2025-01-23 09:26:49,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 09:26:49,770 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 09:26:49,770 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 6 states have internal predecessors, (39), 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) [2025-01-23 09:26:49,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 09:26:49,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-23 09:26:49,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-23 09:26:49,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 09:26:50,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 09:26:50,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 09:26:50,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 09:26:50,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-23 09:26:50,021 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-01-23 09:26:50,213 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 09:26:50,213 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-23 09:26:50,213 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 09:26:50,214 INFO L85 PathProgramCache]: Analyzing trace with hash 797912894, now seen corresponding path program 2 times [2025-01-23 09:26:50,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 09:26:50,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758007556] [2025-01-23 09:26:50,214 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-23 09:26:50,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 09:26:50,257 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 37 statements into 2 equivalence classes. [2025-01-23 09:26:50,582 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 37 of 37 statements. [2025-01-23 09:26:50,583 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-23 09:26:50,583 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 09:26:50,835 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 09:26:50,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 09:26:50,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758007556] [2025-01-23 09:26:50,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1758007556] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 09:26:50,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1501412023] [2025-01-23 09:26:50,836 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-23 09:26:50,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 09:26:50,836 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 09:26:50,838 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 09:26:50,839 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-01-23 09:26:51,039 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 37 statements into 2 equivalence classes. [2025-01-23 09:26:51,569 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 37 of 37 statements. [2025-01-23 09:26:51,569 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-23 09:26:51,570 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 09:26:51,573 INFO L256 TraceCheckSpWp]: Trace formula consists of 758 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-01-23 09:26:51,575 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 09:26:51,633 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 09:26:51,634 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 09:26:51,707 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 09:26:51,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1501412023] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 09:26:51,707 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 09:26:51,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2025-01-23 09:26:51,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739299775] [2025-01-23 09:26:51,707 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 09:26:51,708 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-01-23 09:26:51,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 09:26:51,709 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-01-23 09:26:51,709 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=98, Unknown=0, NotChecked=0, Total=156 [2025-01-23 09:26:51,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 09:26:51,710 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 09:26:51,710 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.4615384615384617) internal successors, (45), 12 states have internal predecessors, (45), 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) [2025-01-23 09:26:51,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 09:26:51,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-23 09:26:51,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-23 09:26:51,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-23 09:26:51,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 09:26:52,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 09:26:52,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 09:26:52,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 09:26:52,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-23 09:26:52,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-23 09:26:52,200 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-01-23 09:26:52,392 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 09:26:52,392 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-23 09:26:52,393 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 09:26:52,393 INFO L85 PathProgramCache]: Analyzing trace with hash 516896734, now seen corresponding path program 3 times [2025-01-23 09:26:52,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 09:26:52,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125879511] [2025-01-23 09:26:52,393 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-23 09:26:52,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 09:26:52,457 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 43 statements into 6 equivalence classes. [2025-01-23 09:26:52,703 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) and asserted 43 of 43 statements. [2025-01-23 09:26:52,703 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2025-01-23 09:26:52,703 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 09:26:53,103 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 09:26:53,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 09:26:53,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125879511] [2025-01-23 09:26:53,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125879511] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 09:26:53,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [859396667] [2025-01-23 09:26:53,103 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-23 09:26:53,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 09:26:53,104 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 09:26:53,108 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 09:26:53,109 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-01-23 09:26:53,315 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 43 statements into 6 equivalence classes. [2025-01-23 09:26:56,090 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) and asserted 43 of 43 statements. [2025-01-23 09:26:56,090 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2025-01-23 09:26:56,090 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 09:26:56,105 INFO L256 TraceCheckSpWp]: Trace formula consists of 860 conjuncts, 27 conjuncts are in the unsatisfiable core [2025-01-23 09:26:56,107 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 09:26:56,273 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 09:26:56,273 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 09:26:56,564 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 09:26:56,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [859396667] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 09:26:56,564 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 09:26:56,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 33 [2025-01-23 09:26:56,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913726421] [2025-01-23 09:26:56,564 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 09:26:56,565 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2025-01-23 09:26:56,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 09:26:56,565 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2025-01-23 09:26:56,566 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=217, Invalid=905, Unknown=0, NotChecked=0, Total=1122 [2025-01-23 09:26:56,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 09:26:56,566 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 09:26:56,566 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 1.9411764705882353) internal successors, (66), 33 states have internal predecessors, (66), 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) [2025-01-23 09:26:56,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 09:26:56,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-23 09:26:56,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-23 09:26:56,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-23 09:26:56,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-23 09:26:56,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 09:26:59,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 09:26:59,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 09:26:59,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 09:26:59,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-23 09:26:59,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-23 09:26:59,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-23 09:26:59,806 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-01-23 09:26:59,994 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 09:26:59,994 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-23 09:26:59,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 09:26:59,994 INFO L85 PathProgramCache]: Analyzing trace with hash 421945630, now seen corresponding path program 4 times [2025-01-23 09:26:59,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 09:26:59,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888866742] [2025-01-23 09:26:59,994 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-23 09:26:59,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 09:27:00,044 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 55 statements into 2 equivalence classes. [2025-01-23 09:27:00,179 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 55 of 55 statements. [2025-01-23 09:27:00,179 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-23 09:27:00,179 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 09:27:01,190 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 09:27:01,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 09:27:01,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888866742] [2025-01-23 09:27:01,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888866742] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 09:27:01,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1888967072] [2025-01-23 09:27:01,191 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-23 09:27:01,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 09:27:01,191 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 09:27:01,193 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 09:27:01,194 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-01-23 09:27:01,420 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 55 statements into 2 equivalence classes. [2025-01-23 09:27:02,424 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 55 of 55 statements. [2025-01-23 09:27:02,424 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-23 09:27:02,424 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 09:27:02,431 INFO L256 TraceCheckSpWp]: Trace formula consists of 1064 conjuncts, 51 conjuncts are in the unsatisfiable core [2025-01-23 09:27:02,433 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 09:27:03,005 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 09:27:03,006 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 09:27:03,884 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 09:27:03,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1888967072] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 09:27:03,885 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 09:27:03,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 69 [2025-01-23 09:27:03,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080766547] [2025-01-23 09:27:03,885 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 09:27:03,885 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 70 states [2025-01-23 09:27:03,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 09:27:03,887 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2025-01-23 09:27:03,890 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1258, Invalid=3572, Unknown=0, NotChecked=0, Total=4830 [2025-01-23 09:27:03,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 09:27:03,890 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 09:27:03,891 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 70 states, 70 states have (on average 1.457142857142857) internal successors, (102), 69 states have internal predecessors, (102), 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) [2025-01-23 09:27:03,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 09:27:03,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-23 09:27:03,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-23 09:27:03,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-23 09:27:03,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-23 09:27:03,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-01-23 09:27:03,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 09:27:29,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 09:27:29,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 09:27:29,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 09:27:29,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-23 09:27:29,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-23 09:27:29,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-23 09:27:29,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-01-23 09:27:29,581 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-01-23 09:27:29,767 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 09:27:29,767 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-23 09:27:29,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 09:27:29,768 INFO L85 PathProgramCache]: Analyzing trace with hash -745991266, now seen corresponding path program 5 times [2025-01-23 09:27:29,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 09:27:29,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712087351] [2025-01-23 09:27:29,769 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-23 09:27:29,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 09:27:29,847 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 79 statements into 24 equivalence classes. [2025-01-23 09:27:30,526 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 24 check-sat command(s) and asserted 79 of 79 statements. [2025-01-23 09:27:30,526 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 24 check-sat command(s) [2025-01-23 09:27:30,526 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 09:27:33,246 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 09:27:33,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 09:27:33,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712087351] [2025-01-23 09:27:33,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1712087351] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 09:27:33,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1681387027] [2025-01-23 09:27:33,247 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-23 09:27:33,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 09:27:33,247 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 09:27:33,251 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 09:27:33,252 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-01-23 09:27:33,555 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 79 statements into 24 equivalence classes. Killed by 15