/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-VariableLbe.epf --traceabstraction.order.of.the.error.locations.to.be.checked INSUFFICIENT_FIRST -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true -i ../../../trunk/examples/svcomp/ldv-races/race-3_2-container_of-global.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-ac9dbd0-m [2023-08-25 16:29:56,456 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-25 16:29:56,539 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-VariableLbe.epf [2023-08-25 16:29:56,544 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-25 16:29:56,545 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-25 16:29:56,570 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-25 16:29:56,571 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-25 16:29:56,571 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-25 16:29:56,572 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-25 16:29:56,576 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-25 16:29:56,576 INFO L153 SettingsManager]: * Use SBE=true [2023-08-25 16:29:56,576 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-25 16:29:56,576 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-25 16:29:56,578 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-25 16:29:56,578 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-25 16:29:56,578 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-25 16:29:56,578 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-25 16:29:56,578 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-25 16:29:56,579 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-25 16:29:56,579 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-25 16:29:56,579 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-25 16:29:56,580 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-25 16:29:56,580 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-25 16:29:56,581 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-25 16:29:56,581 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-25 16:29:56,581 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-25 16:29:56,581 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-25 16:29:56,582 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 16:29:56,582 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-25 16:29:56,582 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-25 16:29:56,583 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-25 16:29:56,583 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-25 16:29:56,583 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-25 16:29:56,584 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-25 16:29:56,584 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-25 16:29:56,584 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC 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/UAutomizer-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Order of the error locations to be checked -> INSUFFICIENT_FIRST Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true [2023-08-25 16:29:56,889 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-25 16:29:56,905 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-25 16:29:56,908 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-25 16:29:56,908 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-25 16:29:56,909 INFO L274 PluginConnector]: CDTParser initialized [2023-08-25 16:29:56,910 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-3_2-container_of-global.i [2023-08-25 16:29:58,156 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-25 16:29:58,505 INFO L384 CDTParser]: Found 1 translation units. [2023-08-25 16:29:58,506 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-3_2-container_of-global.i [2023-08-25 16:29:58,527 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a384b731b/72a67de3489c48b296806645f76e60d6/FLAGa9eef46a5 [2023-08-25 16:29:58,541 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a384b731b/72a67de3489c48b296806645f76e60d6 [2023-08-25 16:29:58,545 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-25 16:29:58,547 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-25 16:29:58,550 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-25 16:29:58,550 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-25 16:29:58,553 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-25 16:29:58,554 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 04:29:58" (1/1) ... [2023-08-25 16:29:58,555 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c1cec6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:29:58, skipping insertion in model container [2023-08-25 16:29:58,555 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 04:29:58" (1/1) ... [2023-08-25 16:29:58,615 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-25 16:29:58,732 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-08-25 16:29:59,157 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 16:29:59,165 INFO L201 MainTranslator]: Completed pre-run [2023-08-25 16:29:59,174 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-08-25 16:29:59,178 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [251] [2023-08-25 16:29:59,179 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [251] [2023-08-25 16:29:59,185 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: unsigned short [735] [2023-08-25 16:29:59,213 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: unsigned long [1691] [2023-08-25 16:29:59,240 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 16:29:59,381 WARN L669 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-25 16:29:59,381 WARN L669 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-25 16:29:59,381 WARN L669 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-08-25 16:29:59,387 INFO L206 MainTranslator]: Completed translation [2023-08-25 16:29:59,388 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:29:59 WrapperNode [2023-08-25 16:29:59,388 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-25 16:29:59,389 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-25 16:29:59,389 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-25 16:29:59,389 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-25 16:29:59,395 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:29:59" (1/1) ... [2023-08-25 16:29:59,430 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:29:59" (1/1) ... [2023-08-25 16:29:59,477 INFO L138 Inliner]: procedures = 468, calls = 53, calls flagged for inlining = 13, calls inlined = 18, statements flattened = 227 [2023-08-25 16:29:59,477 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-25 16:29:59,478 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-25 16:29:59,478 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-25 16:29:59,478 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-25 16:29:59,486 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:29:59" (1/1) ... [2023-08-25 16:29:59,486 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:29:59" (1/1) ... [2023-08-25 16:29:59,504 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:29:59" (1/1) ... [2023-08-25 16:29:59,504 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:29:59" (1/1) ... [2023-08-25 16:29:59,537 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:29:59" (1/1) ... [2023-08-25 16:29:59,539 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:29:59" (1/1) ... [2023-08-25 16:29:59,543 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:29:59" (1/1) ... [2023-08-25 16:29:59,554 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:29:59" (1/1) ... [2023-08-25 16:29:59,566 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-25 16:29:59,567 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-25 16:29:59,567 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-25 16:29:59,567 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-25 16:29:59,568 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:29:59" (1/1) ... [2023-08-25 16:29:59,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 16:29:59,583 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-25 16:29:59,602 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-25 16:29:59,616 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-25 16:29:59,641 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-25 16:29:59,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-25 16:29:59,641 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-25 16:29:59,641 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-25 16:29:59,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-25 16:29:59,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-25 16:29:59,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-25 16:29:59,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-25 16:29:59,643 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2023-08-25 16:29:59,643 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2023-08-25 16:29:59,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-25 16:29:59,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-25 16:29:59,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-25 16:29:59,645 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-25 16:29:59,887 INFO L236 CfgBuilder]: Building ICFG [2023-08-25 16:29:59,889 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-25 16:30:00,200 INFO L277 CfgBuilder]: Performing block encoding [2023-08-25 16:30:00,250 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-25 16:30:00,250 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-25 16:30:00,253 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 04:30:00 BoogieIcfgContainer [2023-08-25 16:30:00,253 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-25 16:30:00,286 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-25 16:30:00,286 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-25 16:30:00,289 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-25 16:30:00,289 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.08 04:29:58" (1/3) ... [2023-08-25 16:30:00,290 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37ef0ec9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 04:30:00, skipping insertion in model container [2023-08-25 16:30:00,290 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:29:59" (2/3) ... [2023-08-25 16:30:00,291 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37ef0ec9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 04:30:00, skipping insertion in model container [2023-08-25 16:30:00,291 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 04:30:00" (3/3) ... [2023-08-25 16:30:00,292 INFO L112 eAbstractionObserver]: Analyzing ICFG race-3_2-container_of-global.i [2023-08-25 16:30:00,309 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-25 16:30:00,310 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 23 error locations. [2023-08-25 16:30:00,310 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-25 16:30:00,396 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-25 16:30:00,440 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 283 places, 291 transitions, 598 flow [2023-08-25 16:30:00,594 INFO L124 PetriNetUnfolderBase]: 18/373 cut-off events. [2023-08-25 16:30:00,594 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-08-25 16:30:00,601 INFO L83 FinitePrefix]: Finished finitePrefix Result has 382 conditions, 373 events. 18/373 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 693 event pairs, 0 based on Foata normal form. 0/319 useless extension candidates. Maximal degree in co-relation 213. Up to 4 conditions per place. [2023-08-25 16:30:00,601 INFO L82 GeneralOperation]: Start removeDead. Operand has 283 places, 291 transitions, 598 flow [2023-08-25 16:30:00,610 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 281 places, 288 transitions, 588 flow [2023-08-25 16:30:00,614 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-25 16:30:00,631 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 281 places, 288 transitions, 588 flow [2023-08-25 16:30:00,633 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 281 places, 288 transitions, 588 flow [2023-08-25 16:30:00,633 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 281 places, 288 transitions, 588 flow [2023-08-25 16:30:00,701 INFO L124 PetriNetUnfolderBase]: 17/372 cut-off events. [2023-08-25 16:30:00,701 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-08-25 16:30:00,702 INFO L83 FinitePrefix]: Finished finitePrefix Result has 381 conditions, 372 events. 17/372 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 707 event pairs, 0 based on Foata normal form. 0/319 useless extension candidates. Maximal degree in co-relation 212. Up to 4 conditions per place. [2023-08-25 16:30:00,707 INFO L119 LiptonReduction]: Number of co-enabled transitions 6624 [2023-08-25 16:30:59,589 WARN L234 SmtUtils]: Spent 6.96s on a formula simplification. DAG size of input: 207 DAG size of output: 205 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 16:31:06,928 WARN L234 SmtUtils]: Spent 5.37s on a formula simplification. DAG size of input: 216 DAG size of output: 212 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 16:31:18,056 WARN L234 SmtUtils]: Spent 7.55s on a formula simplification. DAG size of input: 225 DAG size of output: 223 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 16:31:36,276 WARN L234 SmtUtils]: Spent 16.10s on a formula simplification. DAG size of input: 234 DAG size of output: 230 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 16:31:37,953 INFO L134 LiptonReduction]: Checked pairs total: 39132 [2023-08-25 16:31:37,953 INFO L136 LiptonReduction]: Total number of compositions: 316 [2023-08-25 16:31:37,963 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-25 16:31:37,967 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=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@1900329e, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-25 16:31:37,968 INFO L358 AbstractCegarLoop]: Starting to check reachability of 33 error locations. [2023-08-25 16:31:37,969 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-25 16:31:37,969 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events. [2023-08-25 16:31:37,969 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 16:31:37,969 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 16:31:37,970 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-25 16:31:37,970 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 30 more)] === [2023-08-25 16:31:37,974 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 16:31:37,974 INFO L85 PathProgramCache]: Analyzing trace with hash 1033, now seen corresponding path program 1 times [2023-08-25 16:31:37,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 16:31:37,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595534067] [2023-08-25 16:31:37,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 16:31:37,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 16:31:38,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 16:31:38,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 16:31:38,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 16:31:38,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595534067] [2023-08-25 16:31:38,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595534067] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 16:31:38,135 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 16:31:38,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-25 16:31:38,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057656172] [2023-08-25 16:31:38,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 16:31:38,144 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-25 16:31:38,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 16:31:38,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-25 16:31:38,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-25 16:31:38,168 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 257 out of 607 [2023-08-25 16:31:38,173 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 86 transitions, 184 flow. Second operand has 2 states, 2 states have (on average 257.5) internal successors, (515), 2 states have internal predecessors, (515), 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) [2023-08-25 16:31:38,173 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 16:31:38,173 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 257 of 607 [2023-08-25 16:31:38,174 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 16:31:38,577 INFO L124 PetriNetUnfolderBase]: 711/1832 cut-off events. [2023-08-25 16:31:38,577 INFO L125 PetriNetUnfolderBase]: For 39/68 co-relation queries the response was YES. [2023-08-25 16:31:38,582 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3045 conditions, 1832 events. 711/1832 cut-off events. For 39/68 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 11643 event pairs, 710 based on Foata normal form. 68/1742 useless extension candidates. Maximal degree in co-relation 2869. Up to 1189 conditions per place. [2023-08-25 16:31:38,591 INFO L140 encePairwiseOnDemand]: 590/607 looper letters, 33 selfloop transitions, 0 changer transitions 0/68 dead transitions. [2023-08-25 16:31:38,591 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 68 transitions, 214 flow [2023-08-25 16:31:38,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-25 16:31:38,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-25 16:31:38,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 564 transitions. [2023-08-25 16:31:38,604 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4645799011532125 [2023-08-25 16:31:38,605 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 564 transitions. [2023-08-25 16:31:38,605 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 564 transitions. [2023-08-25 16:31:38,607 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 16:31:38,609 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 564 transitions. [2023-08-25 16:31:38,614 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 282.0) internal successors, (564), 2 states have internal predecessors, (564), 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) [2023-08-25 16:31:38,620 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 607.0) internal successors, (1821), 3 states have internal predecessors, (1821), 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) [2023-08-25 16:31:38,621 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 607.0) internal successors, (1821), 3 states have internal predecessors, (1821), 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) [2023-08-25 16:31:38,623 INFO L175 Difference]: Start difference. First operand has 89 places, 86 transitions, 184 flow. Second operand 2 states and 564 transitions. [2023-08-25 16:31:38,624 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 68 transitions, 214 flow [2023-08-25 16:31:38,627 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 68 transitions, 206 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-25 16:31:38,629 INFO L231 Difference]: Finished difference. Result has 70 places, 68 transitions, 140 flow [2023-08-25 16:31:38,631 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=607, PETRI_DIFFERENCE_MINUEND_FLOW=140, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=140, PETRI_PLACES=70, PETRI_TRANSITIONS=68} [2023-08-25 16:31:38,635 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, -19 predicate places. [2023-08-25 16:31:38,635 INFO L495 AbstractCegarLoop]: Abstraction has has 70 places, 68 transitions, 140 flow [2023-08-25 16:31:38,636 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 257.5) internal successors, (515), 2 states have internal predecessors, (515), 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) [2023-08-25 16:31:38,636 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 16:31:38,636 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2023-08-25 16:31:38,636 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-25 16:31:38,637 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting my_callbackErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 30 more)] === [2023-08-25 16:31:38,644 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 16:31:38,644 INFO L85 PathProgramCache]: Analyzing trace with hash 32040815, now seen corresponding path program 1 times [2023-08-25 16:31:38,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 16:31:38,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242442448] [2023-08-25 16:31:38,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 16:31:38,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 16:31:38,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 16:31:38,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 16:31:38,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 16:31:38,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242442448] [2023-08-25 16:31:38,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1242442448] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 16:31:38,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 16:31:38,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-25 16:31:38,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510269430] [2023-08-25 16:31:38,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 16:31:38,849 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 16:31:38,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 16:31:38,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 16:31:38,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 16:31:38,852 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 248 out of 607 [2023-08-25 16:31:38,853 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 68 transitions, 140 flow. Second operand has 3 states, 3 states have (on average 249.33333333333334) internal successors, (748), 3 states have internal predecessors, (748), 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) [2023-08-25 16:31:38,853 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 16:31:38,853 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 248 of 607 [2023-08-25 16:31:38,853 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 16:31:39,222 INFO L124 PetriNetUnfolderBase]: 710/1303 cut-off events. [2023-08-25 16:31:39,222 INFO L125 PetriNetUnfolderBase]: For 4/23 co-relation queries the response was YES. [2023-08-25 16:31:39,224 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2509 conditions, 1303 events. 710/1303 cut-off events. For 4/23 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 7145 event pairs, 255 based on Foata normal form. 1/1123 useless extension candidates. Maximal degree in co-relation 2506. Up to 1170 conditions per place. [2023-08-25 16:31:39,229 INFO L140 encePairwiseOnDemand]: 603/607 looper letters, 44 selfloop transitions, 2 changer transitions 2/81 dead transitions. [2023-08-25 16:31:39,229 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 81 transitions, 263 flow [2023-08-25 16:31:39,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 16:31:39,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 16:31:39,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 794 transitions. [2023-08-25 16:31:39,232 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43602416254805054 [2023-08-25 16:31:39,232 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 794 transitions. [2023-08-25 16:31:39,233 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 794 transitions. [2023-08-25 16:31:39,233 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 16:31:39,234 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 794 transitions. [2023-08-25 16:31:39,235 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 264.6666666666667) internal successors, (794), 3 states have internal predecessors, (794), 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) [2023-08-25 16:31:39,239 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 607.0) internal successors, (2428), 4 states have internal predecessors, (2428), 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) [2023-08-25 16:31:39,241 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 607.0) internal successors, (2428), 4 states have internal predecessors, (2428), 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) [2023-08-25 16:31:39,244 INFO L175 Difference]: Start difference. First operand has 70 places, 68 transitions, 140 flow. Second operand 3 states and 794 transitions. [2023-08-25 16:31:39,245 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 81 transitions, 263 flow [2023-08-25 16:31:39,246 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 81 transitions, 263 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-25 16:31:39,248 INFO L231 Difference]: Finished difference. Result has 71 places, 67 transitions, 148 flow [2023-08-25 16:31:39,253 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=607, PETRI_DIFFERENCE_MINUEND_FLOW=136, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=148, PETRI_PLACES=71, PETRI_TRANSITIONS=67} [2023-08-25 16:31:39,254 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, -18 predicate places. [2023-08-25 16:31:39,255 INFO L495 AbstractCegarLoop]: Abstraction has has 71 places, 67 transitions, 148 flow [2023-08-25 16:31:39,255 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 249.33333333333334) internal successors, (748), 3 states have internal predecessors, (748), 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) [2023-08-25 16:31:39,255 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 16:31:39,255 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-08-25 16:31:39,255 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-25 16:31:39,256 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 30 more)] === [2023-08-25 16:31:39,259 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 16:31:39,259 INFO L85 PathProgramCache]: Analyzing trace with hash 1426424567, now seen corresponding path program 1 times [2023-08-25 16:31:39,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 16:31:39,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403283514] [2023-08-25 16:31:39,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 16:31:39,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 16:31:39,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 16:31:39,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 16:31:39,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 16:31:39,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403283514] [2023-08-25 16:31:39,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [403283514] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 16:31:39,460 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 16:31:39,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-25 16:31:39,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808082872] [2023-08-25 16:31:39,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 16:31:39,460 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 16:31:39,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 16:31:39,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 16:31:39,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 16:31:39,462 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 252 out of 607 [2023-08-25 16:31:39,463 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 67 transitions, 148 flow. Second operand has 3 states, 3 states have (on average 252.66666666666666) internal successors, (758), 3 states have internal predecessors, (758), 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) [2023-08-25 16:31:39,464 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 16:31:39,464 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 252 of 607 [2023-08-25 16:31:39,464 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 16:31:39,831 INFO L124 PetriNetUnfolderBase]: 650/1813 cut-off events. [2023-08-25 16:31:39,831 INFO L125 PetriNetUnfolderBase]: For 140/164 co-relation queries the response was YES. [2023-08-25 16:31:39,833 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3082 conditions, 1813 events. 650/1813 cut-off events. For 140/164 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 11888 event pairs, 595 based on Foata normal form. 0/1682 useless extension candidates. Maximal degree in co-relation 3078. Up to 1097 conditions per place. [2023-08-25 16:31:39,840 INFO L140 encePairwiseOnDemand]: 604/607 looper letters, 33 selfloop transitions, 2 changer transitions 0/68 dead transitions. [2023-08-25 16:31:39,840 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 68 transitions, 220 flow [2023-08-25 16:31:39,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 16:31:39,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 16:31:39,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 790 transitions. [2023-08-25 16:31:39,843 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43382756727073035 [2023-08-25 16:31:39,843 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 790 transitions. [2023-08-25 16:31:39,843 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 790 transitions. [2023-08-25 16:31:39,843 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 16:31:39,844 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 790 transitions. [2023-08-25 16:31:39,845 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 263.3333333333333) internal successors, (790), 3 states have internal predecessors, (790), 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) [2023-08-25 16:31:39,848 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 607.0) internal successors, (2428), 4 states have internal predecessors, (2428), 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) [2023-08-25 16:31:39,849 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 607.0) internal successors, (2428), 4 states have internal predecessors, (2428), 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) [2023-08-25 16:31:39,850 INFO L175 Difference]: Start difference. First operand has 71 places, 67 transitions, 148 flow. Second operand 3 states and 790 transitions. [2023-08-25 16:31:39,850 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 68 transitions, 220 flow [2023-08-25 16:31:39,851 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 68 transitions, 220 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-25 16:31:39,852 INFO L231 Difference]: Finished difference. Result has 73 places, 68 transitions, 160 flow [2023-08-25 16:31:39,852 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=607, PETRI_DIFFERENCE_MINUEND_FLOW=148, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=160, PETRI_PLACES=73, PETRI_TRANSITIONS=68} [2023-08-25 16:31:39,853 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, -16 predicate places. [2023-08-25 16:31:39,854 INFO L495 AbstractCegarLoop]: Abstraction has has 73 places, 68 transitions, 160 flow [2023-08-25 16:31:39,854 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 252.66666666666666) internal successors, (758), 3 states have internal predecessors, (758), 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) [2023-08-25 16:31:39,855 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 16:31:39,855 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-08-25 16:31:39,855 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-25 16:31:39,855 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 30 more)] === [2023-08-25 16:31:39,856 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 16:31:39,856 INFO L85 PathProgramCache]: Analyzing trace with hash -2025968759, now seen corresponding path program 1 times [2023-08-25 16:31:39,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 16:31:39,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042105395] [2023-08-25 16:31:39,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 16:31:39,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 16:31:39,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 16:31:40,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 16:31:40,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 16:31:40,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042105395] [2023-08-25 16:31:40,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2042105395] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 16:31:40,285 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 16:31:40,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-25 16:31:40,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584936642] [2023-08-25 16:31:40,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 16:31:40,286 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-25 16:31:40,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 16:31:40,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-25 16:31:40,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-25 16:31:40,288 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 607 [2023-08-25 16:31:40,290 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 68 transitions, 160 flow. Second operand has 6 states, 6 states have (on average 171.16666666666666) internal successors, (1027), 6 states have internal predecessors, (1027), 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) [2023-08-25 16:31:40,290 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 16:31:40,290 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 607 [2023-08-25 16:31:40,290 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 16:31:41,442 INFO L124 PetriNetUnfolderBase]: 2450/4040 cut-off events. [2023-08-25 16:31:41,442 INFO L125 PetriNetUnfolderBase]: For 513/513 co-relation queries the response was YES. [2023-08-25 16:31:41,447 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8729 conditions, 4040 events. 2450/4040 cut-off events. For 513/513 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 19266 event pairs, 1925 based on Foata normal form. 0/3781 useless extension candidates. Maximal degree in co-relation 8723. Up to 3796 conditions per place. [2023-08-25 16:31:41,463 INFO L140 encePairwiseOnDemand]: 594/607 looper letters, 90 selfloop transitions, 30 changer transitions 0/120 dead transitions. [2023-08-25 16:31:41,464 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 120 transitions, 544 flow [2023-08-25 16:31:41,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-25 16:31:41,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-25 16:31:41,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1130 transitions. [2023-08-25 16:31:41,467 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3102690829214717 [2023-08-25 16:31:41,467 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1130 transitions. [2023-08-25 16:31:41,468 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1130 transitions. [2023-08-25 16:31:41,468 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 16:31:41,468 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1130 transitions. [2023-08-25 16:31:41,471 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 188.33333333333334) internal successors, (1130), 6 states have internal predecessors, (1130), 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) [2023-08-25 16:31:41,476 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 607.0) internal successors, (4249), 7 states have internal predecessors, (4249), 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) [2023-08-25 16:31:41,478 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 607.0) internal successors, (4249), 7 states have internal predecessors, (4249), 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) [2023-08-25 16:31:41,478 INFO L175 Difference]: Start difference. First operand has 73 places, 68 transitions, 160 flow. Second operand 6 states and 1130 transitions. [2023-08-25 16:31:41,478 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 120 transitions, 544 flow [2023-08-25 16:31:41,481 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 120 transitions, 542 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-25 16:31:41,483 INFO L231 Difference]: Finished difference. Result has 81 places, 96 transitions, 329 flow [2023-08-25 16:31:41,483 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=607, PETRI_DIFFERENCE_MINUEND_FLOW=158, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=329, PETRI_PLACES=81, PETRI_TRANSITIONS=96} [2023-08-25 16:31:41,485 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, -8 predicate places. [2023-08-25 16:31:41,485 INFO L495 AbstractCegarLoop]: Abstraction has has 81 places, 96 transitions, 329 flow [2023-08-25 16:31:41,485 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 171.16666666666666) internal successors, (1027), 6 states have internal predecessors, (1027), 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) [2023-08-25 16:31:41,486 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 16:31:41,486 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 16:31:41,486 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-25 16:31:41,486 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 30 more)] === [2023-08-25 16:31:41,486 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 16:31:41,486 INFO L85 PathProgramCache]: Analyzing trace with hash 1546170155, now seen corresponding path program 1 times [2023-08-25 16:31:41,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 16:31:41,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518985668] [2023-08-25 16:31:41,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 16:31:41,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 16:31:41,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 16:31:41,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 16:31:41,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 16:31:41,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518985668] [2023-08-25 16:31:41,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [518985668] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 16:31:41,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 16:31:41,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-25 16:31:41,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741321859] [2023-08-25 16:31:41,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 16:31:41,793 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-25 16:31:41,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 16:31:41,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-25 16:31:41,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-25 16:31:41,795 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 607 [2023-08-25 16:31:41,796 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 96 transitions, 329 flow. Second operand has 6 states, 6 states have (on average 182.83333333333334) internal successors, (1097), 6 states have internal predecessors, (1097), 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) [2023-08-25 16:31:41,796 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 16:31:41,796 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 607 [2023-08-25 16:31:41,796 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 16:31:43,008 INFO L124 PetriNetUnfolderBase]: 2601/4374 cut-off events. [2023-08-25 16:31:43,009 INFO L125 PetriNetUnfolderBase]: For 1663/1663 co-relation queries the response was YES. [2023-08-25 16:31:43,015 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11645 conditions, 4374 events. 2601/4374 cut-off events. For 1663/1663 co-relation queries the response was YES. Maximal size of possible extension queue 117. Compared 22133 event pairs, 1723 based on Foata normal form. 0/4118 useless extension candidates. Maximal degree in co-relation 11635. Up to 3866 conditions per place. [2023-08-25 16:31:43,035 INFO L140 encePairwiseOnDemand]: 596/607 looper letters, 138 selfloop transitions, 22 changer transitions 0/161 dead transitions. [2023-08-25 16:31:43,035 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 161 transitions, 872 flow [2023-08-25 16:31:43,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-25 16:31:43,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-25 16:31:43,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1208 transitions. [2023-08-25 16:31:43,039 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3316858868753432 [2023-08-25 16:31:43,039 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1208 transitions. [2023-08-25 16:31:43,040 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1208 transitions. [2023-08-25 16:31:43,040 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 16:31:43,040 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1208 transitions. [2023-08-25 16:31:43,043 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 201.33333333333334) internal successors, (1208), 6 states have internal predecessors, (1208), 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) [2023-08-25 16:31:43,048 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 607.0) internal successors, (4249), 7 states have internal predecessors, (4249), 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) [2023-08-25 16:31:43,050 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 607.0) internal successors, (4249), 7 states have internal predecessors, (4249), 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) [2023-08-25 16:31:43,050 INFO L175 Difference]: Start difference. First operand has 81 places, 96 transitions, 329 flow. Second operand 6 states and 1208 transitions. [2023-08-25 16:31:43,050 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 161 transitions, 872 flow [2023-08-25 16:31:43,055 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 161 transitions, 872 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-25 16:31:43,058 INFO L231 Difference]: Finished difference. Result has 91 places, 117 transitions, 514 flow [2023-08-25 16:31:43,058 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=607, PETRI_DIFFERENCE_MINUEND_FLOW=329, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=514, PETRI_PLACES=91, PETRI_TRANSITIONS=117} [2023-08-25 16:31:43,059 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, 2 predicate places. [2023-08-25 16:31:43,059 INFO L495 AbstractCegarLoop]: Abstraction has has 91 places, 117 transitions, 514 flow [2023-08-25 16:31:43,059 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 182.83333333333334) internal successors, (1097), 6 states have internal predecessors, (1097), 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) [2023-08-25 16:31:43,059 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 16:31:43,059 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 16:31:43,060 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-25 16:31:43,060 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 30 more)] === [2023-08-25 16:31:43,060 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 16:31:43,060 INFO L85 PathProgramCache]: Analyzing trace with hash -1869428725, now seen corresponding path program 1 times [2023-08-25 16:31:43,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 16:31:43,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108970561] [2023-08-25 16:31:43,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 16:31:43,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 16:31:43,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 16:31:43,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 16:31:43,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 16:31:43,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108970561] [2023-08-25 16:31:43,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2108970561] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 16:31:43,400 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 16:31:43,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-25 16:31:43,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54757490] [2023-08-25 16:31:43,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 16:31:43,400 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-25 16:31:43,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 16:31:43,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-25 16:31:43,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-25 16:31:43,403 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 607 [2023-08-25 16:31:43,404 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 117 transitions, 514 flow. Second operand has 6 states, 6 states have (on average 172.16666666666666) internal successors, (1033), 6 states have internal predecessors, (1033), 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) [2023-08-25 16:31:43,405 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 16:31:43,405 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 607 [2023-08-25 16:31:43,405 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 16:31:44,370 INFO L124 PetriNetUnfolderBase]: 2811/4681 cut-off events. [2023-08-25 16:31:44,370 INFO L125 PetriNetUnfolderBase]: For 3424/3424 co-relation queries the response was YES. [2023-08-25 16:31:44,379 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14181 conditions, 4681 events. 2811/4681 cut-off events. For 3424/3424 co-relation queries the response was YES. Maximal size of possible extension queue 117. Compared 23730 event pairs, 1784 based on Foata normal form. 0/4463 useless extension candidates. Maximal degree in co-relation 14166. Up to 4434 conditions per place. [2023-08-25 16:31:44,398 INFO L140 encePairwiseOnDemand]: 595/607 looper letters, 140 selfloop transitions, 29 changer transitions 0/169 dead transitions. [2023-08-25 16:31:44,398 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 169 transitions, 1076 flow [2023-08-25 16:31:44,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-25 16:31:44,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-25 16:31:44,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1130 transitions. [2023-08-25 16:31:44,403 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3102690829214717 [2023-08-25 16:31:44,403 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1130 transitions. [2023-08-25 16:31:44,403 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1130 transitions. [2023-08-25 16:31:44,404 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 16:31:44,404 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1130 transitions. [2023-08-25 16:31:44,406 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 188.33333333333334) internal successors, (1130), 6 states have internal predecessors, (1130), 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) [2023-08-25 16:31:44,410 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 607.0) internal successors, (4249), 7 states have internal predecessors, (4249), 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) [2023-08-25 16:31:44,411 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 607.0) internal successors, (4249), 7 states have internal predecessors, (4249), 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) [2023-08-25 16:31:44,411 INFO L175 Difference]: Start difference. First operand has 91 places, 117 transitions, 514 flow. Second operand 6 states and 1130 transitions. [2023-08-25 16:31:44,411 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 169 transitions, 1076 flow [2023-08-25 16:31:44,419 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 169 transitions, 1076 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-25 16:31:44,422 INFO L231 Difference]: Finished difference. Result has 100 places, 145 transitions, 762 flow [2023-08-25 16:31:44,422 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=607, PETRI_DIFFERENCE_MINUEND_FLOW=514, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=106, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=762, PETRI_PLACES=100, PETRI_TRANSITIONS=145} [2023-08-25 16:31:44,423 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, 11 predicate places. [2023-08-25 16:31:44,423 INFO L495 AbstractCegarLoop]: Abstraction has has 100 places, 145 transitions, 762 flow [2023-08-25 16:31:44,424 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 172.16666666666666) internal successors, (1033), 6 states have internal predecessors, (1033), 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) [2023-08-25 16:31:44,424 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 16:31:44,424 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 16:31:44,424 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-25 16:31:44,424 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 30 more)] === [2023-08-25 16:31:44,424 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 16:31:44,424 INFO L85 PathProgramCache]: Analyzing trace with hash -1430168417, now seen corresponding path program 1 times [2023-08-25 16:31:44,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 16:31:44,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295363601] [2023-08-25 16:31:44,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 16:31:44,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 16:31:44,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 16:31:44,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 16:31:44,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 16:31:44,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295363601] [2023-08-25 16:31:44,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295363601] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 16:31:44,491 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 16:31:44,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-25 16:31:44,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54085357] [2023-08-25 16:31:44,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 16:31:44,492 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 16:31:44,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 16:31:44,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 16:31:44,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 16:31:44,493 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 252 out of 607 [2023-08-25 16:31:44,494 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 145 transitions, 762 flow. Second operand has 3 states, 3 states have (on average 255.0) internal successors, (765), 3 states have internal predecessors, (765), 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) [2023-08-25 16:31:44,494 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 16:31:44,494 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 252 of 607 [2023-08-25 16:31:44,494 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 16:31:44,775 INFO L124 PetriNetUnfolderBase]: 443/979 cut-off events. [2023-08-25 16:31:44,775 INFO L125 PetriNetUnfolderBase]: For 1239/1447 co-relation queries the response was YES. [2023-08-25 16:31:44,778 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3230 conditions, 979 events. 443/979 cut-off events. For 1239/1447 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 5062 event pairs, 199 based on Foata normal form. 0/935 useless extension candidates. Maximal degree in co-relation 3210. Up to 601 conditions per place. [2023-08-25 16:31:44,782 INFO L140 encePairwiseOnDemand]: 604/607 looper letters, 61 selfloop transitions, 2 changer transitions 0/98 dead transitions. [2023-08-25 16:31:44,782 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 98 transitions, 590 flow [2023-08-25 16:31:44,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 16:31:44,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 16:31:44,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 799 transitions. [2023-08-25 16:31:44,787 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4387699066447007 [2023-08-25 16:31:44,787 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 799 transitions. [2023-08-25 16:31:44,787 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 799 transitions. [2023-08-25 16:31:44,787 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 16:31:44,787 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 799 transitions. [2023-08-25 16:31:44,789 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 266.3333333333333) internal successors, (799), 3 states have internal predecessors, (799), 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) [2023-08-25 16:31:44,791 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 607.0) internal successors, (2428), 4 states have internal predecessors, (2428), 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) [2023-08-25 16:31:44,792 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 607.0) internal successors, (2428), 4 states have internal predecessors, (2428), 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) [2023-08-25 16:31:44,792 INFO L175 Difference]: Start difference. First operand has 100 places, 145 transitions, 762 flow. Second operand 3 states and 799 transitions. [2023-08-25 16:31:44,792 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 98 transitions, 590 flow [2023-08-25 16:31:44,795 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 98 transitions, 554 flow, removed 0 selfloop flow, removed 16 redundant places. [2023-08-25 16:31:44,797 INFO L231 Difference]: Finished difference. Result has 84 places, 86 transitions, 366 flow [2023-08-25 16:31:44,797 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=607, PETRI_DIFFERENCE_MINUEND_FLOW=362, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=84, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=366, PETRI_PLACES=84, PETRI_TRANSITIONS=86} [2023-08-25 16:31:44,798 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, -5 predicate places. [2023-08-25 16:31:44,798 INFO L495 AbstractCegarLoop]: Abstraction has has 84 places, 86 transitions, 366 flow [2023-08-25 16:31:44,798 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 255.0) internal successors, (765), 3 states have internal predecessors, (765), 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) [2023-08-25 16:31:44,798 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 16:31:44,798 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 16:31:44,798 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-25 16:31:44,799 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 30 more)] === [2023-08-25 16:31:44,799 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 16:31:44,799 INFO L85 PathProgramCache]: Analyzing trace with hash -1780157261, now seen corresponding path program 1 times [2023-08-25 16:31:44,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 16:31:44,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531723789] [2023-08-25 16:31:44,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 16:31:44,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 16:31:44,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-25 16:31:44,837 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-25 16:31:44,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-25 16:31:44,927 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-25 16:31:44,927 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-25 16:31:44,928 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (32 of 33 remaining) [2023-08-25 16:31:44,933 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (31 of 33 remaining) [2023-08-25 16:31:44,933 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (30 of 33 remaining) [2023-08-25 16:31:44,933 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (29 of 33 remaining) [2023-08-25 16:31:44,934 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONASSERT (28 of 33 remaining) [2023-08-25 16:31:44,934 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (27 of 33 remaining) [2023-08-25 16:31:44,934 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONASSERT (26 of 33 remaining) [2023-08-25 16:31:44,934 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (25 of 33 remaining) [2023-08-25 16:31:44,934 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (24 of 33 remaining) [2023-08-25 16:31:44,934 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (23 of 33 remaining) [2023-08-25 16:31:44,934 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (22 of 33 remaining) [2023-08-25 16:31:44,935 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (21 of 33 remaining) [2023-08-25 16:31:44,935 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONASSERT (20 of 33 remaining) [2023-08-25 16:31:44,935 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (19 of 33 remaining) [2023-08-25 16:31:44,935 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (18 of 33 remaining) [2023-08-25 16:31:44,936 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONASSERT (17 of 33 remaining) [2023-08-25 16:31:44,936 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONASSERT (16 of 33 remaining) [2023-08-25 16:31:44,936 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (15 of 33 remaining) [2023-08-25 16:31:44,936 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONASSERT (14 of 33 remaining) [2023-08-25 16:31:44,936 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (13 of 33 remaining) [2023-08-25 16:31:44,937 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 33 remaining) [2023-08-25 16:31:44,937 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (11 of 33 remaining) [2023-08-25 16:31:44,937 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (10 of 33 remaining) [2023-08-25 16:31:44,937 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (9 of 33 remaining) [2023-08-25 16:31:44,937 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr3ASSERT_VIOLATIONDATA_RACE (8 of 33 remaining) [2023-08-25 16:31:44,937 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (7 of 33 remaining) [2023-08-25 16:31:44,937 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (6 of 33 remaining) [2023-08-25 16:31:44,937 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (5 of 33 remaining) [2023-08-25 16:31:44,938 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr3ASSERT_VIOLATIONDATA_RACE (4 of 33 remaining) [2023-08-25 16:31:44,938 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (3 of 33 remaining) [2023-08-25 16:31:44,938 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (2 of 33 remaining) [2023-08-25 16:31:44,938 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (1 of 33 remaining) [2023-08-25 16:31:44,938 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr3ASSERT_VIOLATIONDATA_RACE (0 of 33 remaining) [2023-08-25 16:31:44,938 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-25 16:31:44,938 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 16:31:44,944 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-25 16:31:44,944 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-25 16:31:44,994 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.08 04:31:44 BasicIcfg [2023-08-25 16:31:44,994 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-25 16:31:44,994 INFO L158 Benchmark]: Toolchain (without parser) took 106447.73ms. Allocated memory was 350.2MB in the beginning and 461.4MB in the end (delta: 111.1MB). Free memory was 323.3MB in the beginning and 206.2MB in the end (delta: 117.2MB). Peak memory consumption was 230.9MB. Max. memory is 16.0GB. [2023-08-25 16:31:44,994 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 350.2MB. Free memory is still 326.6MB. There was no memory consumed. Max. memory is 16.0GB. [2023-08-25 16:31:44,995 INFO L158 Benchmark]: CACSL2BoogieTranslator took 837.96ms. Allocated memory is still 350.2MB. Free memory was 323.3MB in the beginning and 317.0MB in the end (delta: 6.3MB). Peak memory consumption was 57.4MB. Max. memory is 16.0GB. [2023-08-25 16:31:44,995 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.41ms. Allocated memory is still 350.2MB. Free memory was 317.0MB in the beginning and 312.5MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2023-08-25 16:31:44,995 INFO L158 Benchmark]: Boogie Preprocessor took 88.02ms. Allocated memory is still 350.2MB. Free memory was 312.5MB in the beginning and 308.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2023-08-25 16:31:44,995 INFO L158 Benchmark]: RCFGBuilder took 686.70ms. Allocated memory is still 350.2MB. Free memory was 308.3MB in the beginning and 268.8MB in the end (delta: 39.5MB). Peak memory consumption was 39.8MB. Max. memory is 16.0GB. [2023-08-25 16:31:44,996 INFO L158 Benchmark]: TraceAbstraction took 104708.08ms. Allocated memory is still 461.4MB. Free memory was 430.1MB in the beginning and 206.2MB in the end (delta: 224.0MB). Peak memory consumption was 225.1MB. Max. memory is 16.0GB. [2023-08-25 16:31:44,997 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 350.2MB. Free memory is still 326.6MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 837.96ms. Allocated memory is still 350.2MB. Free memory was 323.3MB in the beginning and 317.0MB in the end (delta: 6.3MB). Peak memory consumption was 57.4MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 88.41ms. Allocated memory is still 350.2MB. Free memory was 317.0MB in the beginning and 312.5MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * Boogie Preprocessor took 88.02ms. Allocated memory is still 350.2MB. Free memory was 312.5MB in the beginning and 308.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * RCFGBuilder took 686.70ms. Allocated memory is still 350.2MB. Free memory was 308.3MB in the beginning and 268.8MB in the end (delta: 39.5MB). Peak memory consumption was 39.8MB. Max. memory is 16.0GB. * TraceAbstraction took 104708.08ms. Allocated memory is still 461.4MB. Free memory was 430.1MB in the beginning and 206.2MB in the end (delta: 224.0MB). Peak memory consumption was 225.1MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 251]: Unsoundness Warning unspecified type, defaulting to int C: short [251] - GenericResultAtLocation [Line: 251]: Unsoundness Warning unspecified type, defaulting to int C: short [251] - GenericResultAtLocation [Line: 735]: Unsoundness Warning unspecified type, defaulting to int C: unsigned short [735] - GenericResultAtLocation [Line: 1691]: Unsoundness Warning unspecified type, defaulting to int C: unsigned long [1691] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 97.3s, 281 PlacesBefore, 89 PlacesAfterwards, 288 TransitionsBefore, 86 TransitionsAfterwards, 6624 CoEnabledTransitionPairs, 9 FixpointIterations, 183 TrivialSequentialCompositions, 77 ConcurrentSequentialCompositions, 17 TrivialYvCompositions, 29 ConcurrentYvCompositions, 10 ChoiceCompositions, 316 TotalNumberOfCompositions, 39132 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 8279, independent: 7113, independent conditional: 0, independent unconditional: 7113, dependent: 1166, dependent conditional: 0, dependent unconditional: 1166, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 3245, independent: 3088, independent conditional: 0, independent unconditional: 3088, dependent: 157, dependent conditional: 0, dependent unconditional: 157, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 8279, independent: 4025, independent conditional: 0, independent unconditional: 4025, dependent: 1009, dependent conditional: 0, dependent unconditional: 1009, unknown: 3245, unknown conditional: 0, unknown unconditional: 3245] , Statistics on independence cache: Total cache size (in pairs): 346, Positive cache size: 252, Positive conditional cache size: 0, Positive unconditional cache size: 252, Negative cache size: 94, Negative conditional cache size: 0, Negative unconditional cache size: 94, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - DataRaceFoundResult [Line: 1722]: Data race detected Data race detected The following path leads to a data race: [L1676] 0 pthread_t t1,t2; [L1688] 0 struct device *my_dev; [L1733] CALL, EXPR 0 my_drv_init() [L1727] 0 return 0; [L1733] RET, EXPR 0 my_drv_init() [L1733] 0 int ret = my_drv_init(); [L1734] COND TRUE 0 ret==0 [L1735] 0 int probe_ret; [L1736] 0 struct my_data data; [L1737] CALL, EXPR 0 my_drv_probe(&data) [L1705] 0 data->shared.a = 0 [L1706] 0 data->shared.b = 0 [L1707] EXPR 0 data->shared.a [L1707] EXPR 0 data->shared.a==0 [L1707] CALL 0 ldv_assert(data->shared.a==0) [L1675] COND FALSE 0 !(!expression) [L1707] RET 0 ldv_assert(data->shared.a==0) [L1708] EXPR 0 data->shared.b [L1708] EXPR 0 data->shared.b==0 [L1708] CALL 0 ldv_assert(data->shared.b==0) [L1675] COND FALSE 0 !(!expression) [L1708] RET 0 ldv_assert(data->shared.b==0) [L1709] 0 int res = __VERIFIER_nondet_int(); [L1710] COND FALSE 0 !(\read(res)) [L1712] 0 my_dev = &data->dev [L1713] FCALL, FORK 0 pthread_create(&t1, ((void *)0), my_callback, ((void *)0)) VAL [arg={0:0}, data={6:0}, data={6:0}, my_dev={6:24}, pthread_create(&t1, ((void *)0), my_callback, ((void *)0))=7, res=0, t1={3:0}, t2={4:0}] [L1690] 1 struct my_data *data; [L1691] 1 const typeof( ((struct my_data *)0)->dev ) *__mptr = (my_dev); VAL [arg={0:0}, arg={0:0}, my_dev={6:24}, t1={3:0}, t2={4:0}] [L1714] FCALL, FORK 0 pthread_create(&t2, ((void *)0), my_callback, ((void *)0)) VAL [arg={0:0}, arg={0:0}, data={6:0}, data={6:0}, my_dev={6:24}, pthread_create(&t2, ((void *)0), my_callback, ((void *)0))=8, res=0, t1={3:0}, t2={4:0}] [L1691] 1 const typeof( ((struct my_data *)0)->dev ) *__mptr = (my_dev); [L1691] 1 { const typeof( ((struct my_data *)0)->dev ) *__mptr = (my_dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );} VAL [arg={0:0}, arg={0:0}, my_dev={6:24}, t1={3:0}, t2={4:0}] [L1715] 0 return 0; [L1737] RET, EXPR 0 my_drv_probe(&data) [L1737] 0 probe_ret = my_drv_probe(&data) [L1738] COND TRUE 0 probe_ret==0 [L1739] CALL 0 my_drv_disconnect(&data) [L1721] 0 void *status; [L1722] EXPR 0 \read(t1) VAL [\read(t1)=7, arg={0:0}, arg={0:0}, data={6:0}, data={6:0}, my_dev={6:24}, status={5:0}, t1={3:0}, t2={4:0}] [L1691] 1 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (my_dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) [L1693] 1 data->shared.a = 1 VAL [__mptr={3:-3}, arg={0:0}, arg={0:0}, data={3:-27}, my_dev={6:24}, t1={3:0}, t2={4:0}] [L1722] 0 pthread_join(t1, &status) VAL [\read(t1)=7, __mptr={3:-3}, arg={0:0}, arg={0:0}, data={3:-27}, data={6:0}, data={6:0}, my_dev={6:24}, status={5:0}, t1={3:0}, t2={4:0}] Now there is a data race, but we were unable to determine exactly which statements and variables are involved. There could be a race between one of the statements * C: data->shared.a = 0 [1705] * C: data->shared.a = 0 [1705] * C: data->shared.a = 0 [1705] * C: data->shared.a = 1 [1693] * C: data->shared.a = 1 [1693] * C: data->shared.a = 1 [1693] * C: data->shared.b = 0 [1706] * C: my_dev = &data->dev [1712] * C: data->shared.a = 0 [1705] * C: data->shared.b = 0 [1706] * C: data->shared.a = 1 [1693] * C: data->shared.b = 0 [1706] * C: data->shared.b = 0 [1706] and C: pthread_join(t1, &status) [1722] - UnprovableResult [Line: 1705]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1706]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1707]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1671]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: Not analyzed. - UnprovableResult [Line: 1708]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1671]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: Not analyzed. - UnprovableResult [Line: 1712]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1744]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1745]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1723]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1746]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1671]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: Not analyzed. - UnprovableResult [Line: 1740]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1747]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1671]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: Not analyzed. - UnprovableResult [Line: 1671]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: Not analyzed. - UnprovableResult [Line: 1741]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1671]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: Not analyzed. - UnprovableResult [Line: 1713]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 1714]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 1691]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1693]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1696]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1699]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 4 procedures, 296 locations, 33 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 104.5s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 97.5s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 100 SdHoareTripleChecker+Valid, 2.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 100 mSDsluCounter, 82 SdHoareTripleChecker+Invalid, 2.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 31 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1123 IncrementalHoareTripleChecker+Invalid, 1154 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 31 mSolverCounterUnsat, 82 mSDtfsCounter, 1123 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=762occurred in iteration=6, InterpolantAutomatonStates: 29, 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: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 71 NumberOfCodeBlocks, 71 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 50 ConstructedInterpolants, 0 QuantifiedInterpolants, 316 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 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 RESULT: Ultimate proved your program to be incorrect! [2023-08-25 16:31:45,045 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...