./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_77-tricky_address4_racing.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 20174008 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_77-tricky_address4_racing.i -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-DataRace-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dce9d71ca8bbe247a74e6b2653e5cdb882c6b8b5d902edf534df70d90ee806fe --- Real Ultimate output --- This is Ultimate 0.2.3-?-2017400-m [2023-11-24 12:06:59,083 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 12:06:59,148 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-DataRace-32bit-GemCutter_Default.epf [2023-11-24 12:06:59,152 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 12:06:59,152 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 12:06:59,176 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 12:06:59,177 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 12:06:59,177 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 12:06:59,178 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 12:06:59,180 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 12:06:59,180 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 12:06:59,180 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 12:06:59,180 INFO L153 SettingsManager]: * Use SBE=true [2023-11-24 12:06:59,181 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 12:06:59,181 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 12:06:59,181 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 12:06:59,182 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 12:06:59,182 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 12:06:59,182 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 12:06:59,182 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 12:06:59,182 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 12:06:59,183 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 12:06:59,183 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-24 12:06:59,183 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 12:06:59,183 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 12:06:59,183 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 12:06:59,184 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 12:06:59,184 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 12:06:59,184 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-24 12:06:59,184 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-24 12:06:59,185 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 12:06:59,185 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 12:06:59,186 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 12:06:59,186 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 12:06:59,186 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 12:06:59,186 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-24 12:06:59,186 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 12:06:59,186 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 12:06:59,187 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2023-11-24 12:06:59,187 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-11-24 12:06:59,187 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 12:06:59,187 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-11-24 12:06:59,187 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-11-24 12:06:59,187 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dce9d71ca8bbe247a74e6b2653e5cdb882c6b8b5d902edf534df70d90ee806fe [2023-11-24 12:06:59,375 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 12:06:59,396 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 12:06:59,398 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 12:06:59,399 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 12:06:59,399 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 12:06:59,400 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_77-tricky_address4_racing.i [2023-11-24 12:07:00,453 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 12:07:00,677 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 12:07:00,678 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_77-tricky_address4_racing.i [2023-11-24 12:07:00,690 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/626e7fd5a/5474a2e583324669b55a2f62dd8d12c9/FLAG6901f3d87 [2023-11-24 12:07:00,699 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/626e7fd5a/5474a2e583324669b55a2f62dd8d12c9 [2023-11-24 12:07:00,701 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 12:07:00,702 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 12:07:00,703 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 12:07:00,703 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 12:07:00,709 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 12:07:00,710 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:07:00" (1/1) ... [2023-11-24 12:07:00,711 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14260db1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:07:00, skipping insertion in model container [2023-11-24 12:07:00,711 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:07:00" (1/1) ... [2023-11-24 12:07:00,751 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 12:07:01,144 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 12:07:01,167 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 12:07:01,224 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 12:07:01,275 INFO L206 MainTranslator]: Completed translation [2023-11-24 12:07:01,276 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:07:01 WrapperNode [2023-11-24 12:07:01,276 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 12:07:01,277 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 12:07:01,277 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 12:07:01,277 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 12:07:01,282 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:07:01" (1/1) ... [2023-11-24 12:07:01,312 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:07:01" (1/1) ... [2023-11-24 12:07:01,342 INFO L138 Inliner]: procedures = 271, calls = 50, calls flagged for inlining = 7, calls inlined = 8, statements flattened = 288 [2023-11-24 12:07:01,343 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 12:07:01,343 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 12:07:01,343 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 12:07:01,344 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 12:07:01,350 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:07:01" (1/1) ... [2023-11-24 12:07:01,351 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:07:01" (1/1) ... [2023-11-24 12:07:01,357 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:07:01" (1/1) ... [2023-11-24 12:07:01,357 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:07:01" (1/1) ... [2023-11-24 12:07:01,366 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:07:01" (1/1) ... [2023-11-24 12:07:01,369 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:07:01" (1/1) ... [2023-11-24 12:07:01,371 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:07:01" (1/1) ... [2023-11-24 12:07:01,372 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:07:01" (1/1) ... [2023-11-24 12:07:01,375 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 12:07:01,375 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 12:07:01,375 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 12:07:01,375 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 12:07:01,376 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:07:01" (1/1) ... [2023-11-24 12:07:01,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 12:07:01,390 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-24 12:07:01,401 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 12:07:01,412 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 12:07:01,436 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 12:07:01,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 12:07:01,436 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-24 12:07:01,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 12:07:01,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 12:07:01,436 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-24 12:07:01,436 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 12:07:01,436 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-24 12:07:01,436 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-24 12:07:01,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 12:07:01,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 12:07:01,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 12:07:01,437 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-24 12:07:01,550 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 12:07:01,551 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 12:07:01,878 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 12:07:01,919 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 12:07:01,926 INFO L309 CfgBuilder]: Removed 23 assume(true) statements. [2023-11-24 12:07:01,927 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:07:01 BoogieIcfgContainer [2023-11-24 12:07:01,928 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 12:07:01,930 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 12:07:01,930 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 12:07:01,933 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 12:07:01,934 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 12:07:00" (1/3) ... [2023-11-24 12:07:01,934 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43729a55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:07:01, skipping insertion in model container [2023-11-24 12:07:01,934 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:07:01" (2/3) ... [2023-11-24 12:07:01,935 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43729a55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:07:01, skipping insertion in model container [2023-11-24 12:07:01,935 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:07:01" (3/3) ... [2023-11-24 12:07:01,941 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_77-tricky_address4_racing.i [2023-11-24 12:07:01,947 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-24 12:07:01,954 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 12:07:01,954 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 11 error locations. [2023-11-24 12:07:01,955 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-24 12:07:02,031 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-11-24 12:07:02,075 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 12:07:02,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-11-24 12:07:02,076 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-24 12:07:02,077 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-11-24 12:07:02,078 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-11-24 12:07:02,114 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-11-24 12:07:02,121 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of1ForFork0 ======== [2023-11-24 12:07:02,126 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4607aec1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 12:07:02,126 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2023-11-24 12:07:02,434 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [t_funErr4ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2023-11-24 12:07:02,438 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 12:07:02,438 INFO L85 PathProgramCache]: Analyzing trace with hash -708596549, now seen corresponding path program 1 times [2023-11-24 12:07:02,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 12:07:02,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068569080] [2023-11-24 12:07:02,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 12:07:02,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 12:07:02,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 12:07:02,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 12:07:02,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 12:07:02,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068569080] [2023-11-24 12:07:02,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068569080] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 12:07:02,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 12:07:02,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 12:07:02,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43721700] [2023-11-24 12:07:02,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 12:07:02,709 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-24 12:07:02,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 12:07:02,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-24 12:07:02,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-24 12:07:02,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:02,732 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 12:07:02,733 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 35.5) internal successors, (71), 2 states have internal predecessors, (71), 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) [2023-11-24 12:07:02,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:02,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:02,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-24 12:07:02,795 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr4ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2023-11-24 12:07:02,796 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 12:07:02,796 INFO L85 PathProgramCache]: Analyzing trace with hash 982122580, now seen corresponding path program 1 times [2023-11-24 12:07:02,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 12:07:02,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030254134] [2023-11-24 12:07:02,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 12:07:02,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 12:07:02,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 12:07:02,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 12:07:02,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 12:07:02,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030254134] [2023-11-24 12:07:02,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2030254134] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 12:07:02,908 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 12:07:02,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 12:07:02,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309903075] [2023-11-24 12:07:02,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 12:07:02,909 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 12:07:02,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 12:07:02,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 12:07:02,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 12:07:02,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:02,911 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 12:07:02,911 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 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) [2023-11-24 12:07:02,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:02,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:02,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:02,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 12:07:02,948 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-24 12:07:02,948 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr4ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2023-11-24 12:07:02,949 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 12:07:02,949 INFO L85 PathProgramCache]: Analyzing trace with hash -702702805, now seen corresponding path program 1 times [2023-11-24 12:07:02,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 12:07:02,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751710472] [2023-11-24 12:07:02,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 12:07:02,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 12:07:02,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 12:07:03,042 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 12:07:03,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 12:07:03,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751710472] [2023-11-24 12:07:03,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751710472] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-24 12:07:03,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1109346168] [2023-11-24 12:07:03,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 12:07:03,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 12:07:03,044 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-24 12:07:03,117 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 12:07:03,120 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-24 12:07:03,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 12:07:03,281 INFO L262 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 12:07:03,286 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 12:07:03,330 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 12:07:03,331 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 12:07:03,367 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 12:07:03,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1109346168] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-24 12:07:03,371 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-24 12:07:03,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2023-11-24 12:07:03,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074491578] [2023-11-24 12:07:03,373 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-24 12:07:03,374 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-24 12:07:03,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 12:07:03,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-24 12:07:03,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-11-24 12:07:03,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:03,378 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 12:07:03,378 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.5) internal successors, (85), 10 states have internal predecessors, (85), 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) [2023-11-24 12:07:03,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:03,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 12:07:03,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:03,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:03,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 12:07:03,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-24 12:07:03,484 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-24 12:07:03,679 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2023-11-24 12:07:03,680 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr4ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2023-11-24 12:07:03,680 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 12:07:03,680 INFO L85 PathProgramCache]: Analyzing trace with hash -687249205, now seen corresponding path program 2 times [2023-11-24 12:07:03,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 12:07:03,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766989678] [2023-11-24 12:07:03,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 12:07:03,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 12:07:03,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 12:07:03,859 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 12:07:03,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 12:07:03,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766989678] [2023-11-24 12:07:03,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [766989678] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-24 12:07:03,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1660615199] [2023-11-24 12:07:03,863 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-24 12:07:03,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 12:07:03,864 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-24 12:07:03,865 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 12:07:03,869 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-24 12:07:03,951 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-24 12:07:03,957 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-24 12:07:03,958 INFO L262 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 12:07:03,962 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 12:07:03,989 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-11-24 12:07:04,005 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2023-11-24 12:07:04,035 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 12:07:04,036 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 42 [2023-11-24 12:07:04,068 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 12:07:04,069 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 57 [2023-11-24 12:07:04,093 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-24 12:07:04,093 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 12:07:04,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1660615199] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 12:07:04,094 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-24 12:07:04,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 13 [2023-11-24 12:07:04,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555626122] [2023-11-24 12:07:04,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 12:07:04,095 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-24 12:07:04,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 12:07:04,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-24 12:07:04,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2023-11-24 12:07:04,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:04,098 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 12:07:04,098 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.6) internal successors, (73), 6 states have internal predecessors, (73), 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) [2023-11-24 12:07:04,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:04,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 12:07:04,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-24 12:07:04,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:04,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:04,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 12:07:04,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-24 12:07:04,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 12:07:04,254 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-24 12:07:04,444 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 12:07:04,445 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr4ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2023-11-24 12:07:04,445 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 12:07:04,445 INFO L85 PathProgramCache]: Analyzing trace with hash -2030052131, now seen corresponding path program 1 times [2023-11-24 12:07:04,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 12:07:04,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795260146] [2023-11-24 12:07:04,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 12:07:04,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 12:07:04,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 12:07:04,552 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 12:07:04,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 12:07:04,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795260146] [2023-11-24 12:07:04,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795260146] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-24 12:07:04,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1869254093] [2023-11-24 12:07:04,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 12:07:04,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 12:07:04,554 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-24 12:07:04,555 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 12:07:04,556 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-24 12:07:04,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 12:07:04,640 INFO L262 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 12:07:04,642 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 12:07:04,671 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 12:07:04,671 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 12:07:04,738 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 12:07:04,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1869254093] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-24 12:07:04,738 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-24 12:07:04,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2023-11-24 12:07:04,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108457008] [2023-11-24 12:07:04,739 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-24 12:07:04,740 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-11-24 12:07:04,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 12:07:04,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-11-24 12:07:04,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2023-11-24 12:07:04,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:04,742 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 12:07:04,742 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 6.277777777777778) internal successors, (113), 18 states have internal predecessors, (113), 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) [2023-11-24 12:07:04,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:04,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 12:07:04,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-24 12:07:04,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-24 12:07:04,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:04,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:04,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 12:07:04,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-24 12:07:04,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 12:07:04,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-24 12:07:04,900 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-24 12:07:05,096 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 12:07:05,096 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr4ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2023-11-24 12:07:05,097 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 12:07:05,097 INFO L85 PathProgramCache]: Analyzing trace with hash -867917795, now seen corresponding path program 2 times [2023-11-24 12:07:05,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 12:07:05,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092272681] [2023-11-24 12:07:05,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 12:07:05,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 12:07:05,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 12:07:05,380 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 12:07:05,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 12:07:05,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092272681] [2023-11-24 12:07:05,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2092272681] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-24 12:07:05,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1011217189] [2023-11-24 12:07:05,381 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-24 12:07:05,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 12:07:05,381 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-24 12:07:05,382 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 12:07:05,400 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-24 12:07:05,473 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-24 12:07:05,473 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-24 12:07:05,474 INFO L262 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-24 12:07:05,481 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 12:07:05,489 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-11-24 12:07:05,504 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2023-11-24 12:07:05,528 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 12:07:05,528 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 42 [2023-11-24 12:07:05,555 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 12:07:05,555 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 57 [2023-11-24 12:07:05,580 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-24 12:07:05,580 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 12:07:05,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1011217189] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 12:07:05,582 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-24 12:07:05,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [17] total 21 [2023-11-24 12:07:05,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138513530] [2023-11-24 12:07:05,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 12:07:05,583 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-24 12:07:05,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 12:07:05,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-24 12:07:05,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=326, Unknown=0, NotChecked=0, Total=420 [2023-11-24 12:07:05,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:05,588 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 12:07:05,588 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.2) internal successors, (81), 6 states have internal predecessors, (81), 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) [2023-11-24 12:07:05,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:05,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 12:07:05,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-24 12:07:05,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-24 12:07:05,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-11-24 12:07:05,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:05,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:05,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 12:07:05,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-24 12:07:05,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 12:07:05,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-24 12:07:05,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 12:07:05,812 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-24 12:07:06,003 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-24 12:07:06,004 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [t_funErr4ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2023-11-24 12:07:06,004 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 12:07:06,004 INFO L85 PathProgramCache]: Analyzing trace with hash -482565242, now seen corresponding path program 1 times [2023-11-24 12:07:06,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 12:07:06,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189017553] [2023-11-24 12:07:06,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 12:07:06,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 12:07:06,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 12:07:06,265 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 12:07:06,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 12:07:06,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189017553] [2023-11-24 12:07:06,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189017553] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-24 12:07:06,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [105282185] [2023-11-24 12:07:06,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 12:07:06,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 12:07:06,266 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-24 12:07:06,268 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 12:07:06,296 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-24 12:07:06,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 12:07:06,380 INFO L262 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-24 12:07:06,382 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 12:07:06,433 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 12:07:06,433 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 12:07:06,570 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 12:07:06,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [105282185] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-24 12:07:06,570 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-24 12:07:06,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2023-11-24 12:07:06,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353220713] [2023-11-24 12:07:06,571 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-24 12:07:06,571 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-11-24 12:07:06,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 12:07:06,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-11-24 12:07:06,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2023-11-24 12:07:06,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:06,573 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 12:07:06,573 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 6.521739130434782) internal successors, (150), 23 states have internal predecessors, (150), 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) [2023-11-24 12:07:06,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:06,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 12:07:06,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-24 12:07:06,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-24 12:07:06,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-11-24 12:07:06,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-24 12:07:06,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:06,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:06,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 12:07:06,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-24 12:07:06,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 12:07:06,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-24 12:07:06,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 12:07:06,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-11-24 12:07:06,818 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-24 12:07:07,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 12:07:07,021 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [t_funErr4ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2023-11-24 12:07:07,021 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 12:07:07,021 INFO L85 PathProgramCache]: Analyzing trace with hash -100498961, now seen corresponding path program 2 times [2023-11-24 12:07:07,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 12:07:07,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472178738] [2023-11-24 12:07:07,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 12:07:07,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 12:07:07,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 12:07:07,484 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2023-11-24 12:07:07,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 12:07:07,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472178738] [2023-11-24 12:07:07,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472178738] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 12:07:07,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 12:07:07,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-24 12:07:07,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704645067] [2023-11-24 12:07:07,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 12:07:07,486 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-24 12:07:07,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 12:07:07,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-24 12:07:07,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-24 12:07:07,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:07,488 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 12:07:07,489 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 20.6) internal successors, (103), 6 states have internal predecessors, (103), 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) [2023-11-24 12:07:07,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:07,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 12:07:07,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-24 12:07:07,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-24 12:07:07,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-11-24 12:07:07,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-24 12:07:07,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-11-24 12:07:07,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:07,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:07,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 12:07:07,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-24 12:07:07,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 12:07:07,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-24 12:07:07,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 12:07:07,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-11-24 12:07:07,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 12:07:07,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-24 12:07:07,653 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [t_funErr4ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2023-11-24 12:07:07,653 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 12:07:07,653 INFO L85 PathProgramCache]: Analyzing trace with hash 1521304373, now seen corresponding path program 1 times [2023-11-24 12:07:07,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 12:07:07,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370822323] [2023-11-24 12:07:07,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 12:07:07,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 12:07:07,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 12:07:07,776 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2023-11-24 12:07:07,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 12:07:07,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370822323] [2023-11-24 12:07:07,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1370822323] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-24 12:07:07,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1683559718] [2023-11-24 12:07:07,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 12:07:07,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 12:07:07,777 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-24 12:07:07,778 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 12:07:07,803 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-24 12:07:07,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 12:07:07,911 INFO L262 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 12:07:07,913 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 12:07:07,973 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2023-11-24 12:07:07,973 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 12:07:08,043 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2023-11-24 12:07:08,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1683559718] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-24 12:07:08,043 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-24 12:07:08,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2023-11-24 12:07:08,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404177456] [2023-11-24 12:07:08,044 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-24 12:07:08,044 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-24 12:07:08,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 12:07:08,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-24 12:07:08,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-11-24 12:07:08,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:08,046 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 12:07:08,046 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 26.1) internal successors, (261), 10 states have internal predecessors, (261), 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) [2023-11-24 12:07:08,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:08,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 12:07:08,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-24 12:07:08,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-24 12:07:08,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-11-24 12:07:08,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-24 12:07:08,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-11-24 12:07:08,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-24 12:07:08,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:08,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:08,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 12:07:08,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-24 12:07:08,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 12:07:08,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-24 12:07:08,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 12:07:08,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-11-24 12:07:08,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 12:07:08,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 12:07:08,283 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr4ASSERT_VIOLATIONDATA_RACE (4 of 5 remaining) [2023-11-24 12:07:08,283 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 5 remaining) [2023-11-24 12:07:08,283 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (2 of 5 remaining) [2023-11-24 12:07:08,283 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 5 remaining) [2023-11-24 12:07:08,284 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (0 of 5 remaining) [2023-11-24 12:07:08,298 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-24 12:07:08,497 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2023-11-24 12:07:08,504 INFO L445 BasicCegarLoop]: Path program histogram: [2, 2, 2, 1, 1, 1] [2023-11-24 12:07:08,506 INFO L307 ceAbstractionStarter]: Result for error location t_funThread1of1ForFork0 was SAFE,SAFE,SAFE,SAFE,SAFE (1/2) [2023-11-24 12:07:08,512 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 12:07:08,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-11-24 12:07:08,513 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-24 12:07:08,514 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-11-24 12:07:08,518 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-11-24 12:07:08,518 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-11-24 12:07:08,518 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4607aec1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 12:07:08,518 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2023-11-24 12:07:08,532 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (9)] Waiting until timeout for monitored process [2023-11-24 12:07:08,615 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2023-11-24 12:07:08,616 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 12:07:08,616 INFO L85 PathProgramCache]: Analyzing trace with hash 1306333118, now seen corresponding path program 1 times [2023-11-24 12:07:08,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 12:07:08,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326696321] [2023-11-24 12:07:08,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 12:07:08,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 12:07:08,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 12:07:08,628 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-24 12:07:08,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 12:07:08,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326696321] [2023-11-24 12:07:08,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326696321] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 12:07:08,629 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 12:07:08,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 12:07:08,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357916208] [2023-11-24 12:07:08,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 12:07:08,629 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-24 12:07:08,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 12:07:08,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-24 12:07:08,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-24 12:07:08,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:08,631 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 12:07:08,631 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-24 12:07:08,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:08,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:08,636 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-24 12:07:08,636 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2023-11-24 12:07:08,636 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 12:07:08,637 INFO L85 PathProgramCache]: Analyzing trace with hash -1694843813, now seen corresponding path program 1 times [2023-11-24 12:07:08,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 12:07:08,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797575748] [2023-11-24 12:07:08,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 12:07:08,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 12:07:08,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 12:07:08,681 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-24 12:07:08,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 12:07:08,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797575748] [2023-11-24 12:07:08,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [797575748] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 12:07:08,682 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 12:07:08,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 12:07:08,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510521002] [2023-11-24 12:07:08,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 12:07:08,683 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 12:07:08,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 12:07:08,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 12:07:08,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 12:07:08,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:08,685 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 12:07:08,685 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 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) [2023-11-24 12:07:08,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:08,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:08,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:08,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 12:07:08,697 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-24 12:07:08,697 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2023-11-24 12:07:08,697 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 12:07:08,697 INFO L85 PathProgramCache]: Analyzing trace with hash -748623694, now seen corresponding path program 1 times [2023-11-24 12:07:08,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 12:07:08,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629841694] [2023-11-24 12:07:08,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 12:07:08,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 12:07:08,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 12:07:08,733 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-24 12:07:08,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 12:07:08,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629841694] [2023-11-24 12:07:08,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [629841694] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-24 12:07:08,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1561242587] [2023-11-24 12:07:08,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 12:07:08,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 12:07:08,735 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-24 12:07:08,736 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 12:07:08,738 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-24 12:07:08,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 12:07:08,826 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 12:07:08,827 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 12:07:08,839 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-24 12:07:08,839 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 12:07:08,859 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-24 12:07:08,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1561242587] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-24 12:07:08,860 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-24 12:07:08,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2023-11-24 12:07:08,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774236483] [2023-11-24 12:07:08,860 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-24 12:07:08,861 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-24 12:07:08,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 12:07:08,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-24 12:07:08,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-11-24 12:07:08,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:08,862 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 12:07:08,862 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.1) internal successors, (61), 10 states have internal predecessors, (61), 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) [2023-11-24 12:07:08,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:08,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 12:07:08,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:08,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:08,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 12:07:08,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-24 12:07:08,922 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-24 12:07:09,122 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 12:07:09,123 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2023-11-24 12:07:09,123 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 12:07:09,123 INFO L85 PathProgramCache]: Analyzing trace with hash -305936814, now seen corresponding path program 2 times [2023-11-24 12:07:09,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 12:07:09,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891312407] [2023-11-24 12:07:09,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 12:07:09,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 12:07:09,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 12:07:09,189 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-24 12:07:09,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 12:07:09,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891312407] [2023-11-24 12:07:09,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [891312407] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-24 12:07:09,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1478486058] [2023-11-24 12:07:09,190 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-24 12:07:09,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 12:07:09,190 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-24 12:07:09,191 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 12:07:09,220 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-24 12:07:09,286 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-24 12:07:09,286 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-24 12:07:09,287 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 12:07:09,288 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 12:07:09,320 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-24 12:07:09,320 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 12:07:09,382 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-24 12:07:09,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1478486058] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-24 12:07:09,383 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-24 12:07:09,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2023-11-24 12:07:09,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609799549] [2023-11-24 12:07:09,384 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-24 12:07:09,384 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-11-24 12:07:09,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 12:07:09,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-11-24 12:07:09,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2023-11-24 12:07:09,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:09,386 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 12:07:09,387 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 4.5) internal successors, (81), 18 states have internal predecessors, (81), 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) [2023-11-24 12:07:09,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:09,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 12:07:09,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-24 12:07:09,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:09,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:09,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 12:07:09,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-24 12:07:09,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-24 12:07:09,536 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-11-24 12:07:09,732 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-11-24 12:07:09,732 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2023-11-24 12:07:09,733 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 12:07:09,733 INFO L85 PathProgramCache]: Analyzing trace with hash 1943136658, now seen corresponding path program 3 times [2023-11-24 12:07:09,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 12:07:09,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386553532] [2023-11-24 12:07:09,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 12:07:09,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 12:07:09,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 12:07:09,921 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-24 12:07:09,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 12:07:09,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386553532] [2023-11-24 12:07:09,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386553532] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-24 12:07:09,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [157352229] [2023-11-24 12:07:09,922 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-24 12:07:09,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 12:07:09,923 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-24 12:07:09,923 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 12:07:09,928 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-24 12:07:10,052 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2023-11-24 12:07:10,052 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-24 12:07:10,053 INFO L262 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-24 12:07:10,055 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 12:07:10,100 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-24 12:07:10,101 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 12:07:10,234 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-24 12:07:10,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [157352229] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-24 12:07:10,234 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-24 12:07:10,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2023-11-24 12:07:10,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53469836] [2023-11-24 12:07:10,235 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-24 12:07:10,236 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-11-24 12:07:10,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 12:07:10,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-11-24 12:07:10,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2023-11-24 12:07:10,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:10,238 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 12:07:10,238 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 4.173913043478261) internal successors, (96), 23 states have internal predecessors, (96), 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) [2023-11-24 12:07:10,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:10,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 12:07:10,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-24 12:07:10,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-11-24 12:07:10,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:10,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:10,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 12:07:10,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-24 12:07:10,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-24 12:07:10,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-11-24 12:07:10,465 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-11-24 12:07:10,666 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 12:07:10,666 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2023-11-24 12:07:10,667 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 12:07:10,667 INFO L85 PathProgramCache]: Analyzing trace with hash -2040290245, now seen corresponding path program 4 times [2023-11-24 12:07:10,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 12:07:10,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827524700] [2023-11-24 12:07:10,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 12:07:10,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 12:07:10,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 12:07:10,694 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 12:07:10,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 12:07:10,739 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-24 12:07:10,740 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-24 12:07:10,740 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 7 remaining) [2023-11-24 12:07:10,740 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2023-11-24 12:07:10,740 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (4 of 7 remaining) [2023-11-24 12:07:10,741 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2023-11-24 12:07:10,741 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2023-11-24 12:07:10,741 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2023-11-24 12:07:10,741 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2023-11-24 12:07:10,741 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-24 12:07:10,747 INFO L445 BasicCegarLoop]: Path program histogram: [4, 1, 1] [2023-11-24 12:07:10,747 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN (2/2) [2023-11-24 12:07:10,748 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2023-11-24 12:07:10,748 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2023-11-24 12:07:10,787 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-24 12:07:10,790 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 12:07:10,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-11-24 12:07:10,790 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-24 12:07:10,791 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-11-24 12:07:10,793 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (13)] Waiting until timeout for monitored process [2023-11-24 12:07:10,794 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-11-24 12:07:10,794 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of2ForFork0 ======== [2023-11-24 12:07:10,795 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4607aec1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 12:07:10,795 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2023-11-24 12:07:11,018 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [t_funErr4ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2023-11-24 12:07:11,019 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 12:07:11,019 INFO L85 PathProgramCache]: Analyzing trace with hash -31123648, now seen corresponding path program 1 times [2023-11-24 12:07:11,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 12:07:11,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204282821] [2023-11-24 12:07:11,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 12:07:11,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 12:07:11,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 12:07:11,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 12:07:11,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 12:07:11,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204282821] [2023-11-24 12:07:11,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [204282821] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 12:07:11,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 12:07:11,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 12:07:11,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819194040] [2023-11-24 12:07:11,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 12:07:11,034 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-24 12:07:11,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 12:07:11,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-24 12:07:11,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-24 12:07:11,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:11,035 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 12:07:11,035 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 35.5) internal successors, (71), 2 states have internal predecessors, (71), 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) [2023-11-24 12:07:11,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:11,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:11,083 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-24 12:07:11,083 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr4ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2023-11-24 12:07:11,083 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 12:07:11,083 INFO L85 PathProgramCache]: Analyzing trace with hash 558778889, now seen corresponding path program 1 times [2023-11-24 12:07:11,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 12:07:11,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344053071] [2023-11-24 12:07:11,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 12:07:11,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 12:07:11,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 12:07:11,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 12:07:11,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 12:07:11,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344053071] [2023-11-24 12:07:11,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1344053071] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 12:07:11,104 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 12:07:11,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 12:07:11,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351115805] [2023-11-24 12:07:11,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 12:07:11,105 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 12:07:11,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 12:07:11,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 12:07:11,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 12:07:11,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:11,106 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 12:07:11,106 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 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) [2023-11-24 12:07:11,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:11,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:11,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:11,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 12:07:11,128 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-24 12:07:11,128 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr4ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2023-11-24 12:07:11,128 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 12:07:11,129 INFO L85 PathProgramCache]: Analyzing trace with hash -115155728, now seen corresponding path program 1 times [2023-11-24 12:07:11,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 12:07:11,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567536646] [2023-11-24 12:07:11,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 12:07:11,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 12:07:11,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 12:07:11,164 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 12:07:11,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 12:07:11,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567536646] [2023-11-24 12:07:11,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1567536646] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-24 12:07:11,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [550705247] [2023-11-24 12:07:11,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 12:07:11,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 12:07:11,165 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-24 12:07:11,166 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 12:07:11,190 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-11-24 12:07:11,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 12:07:11,270 INFO L262 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 12:07:11,271 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 12:07:11,283 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 12:07:11,283 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 12:07:11,301 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 12:07:11,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [550705247] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-24 12:07:11,301 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-24 12:07:11,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2023-11-24 12:07:11,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353436236] [2023-11-24 12:07:11,301 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-24 12:07:11,302 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-24 12:07:11,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 12:07:11,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-24 12:07:11,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-11-24 12:07:11,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:11,303 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 12:07:11,303 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.5) internal successors, (85), 10 states have internal predecessors, (85), 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) [2023-11-24 12:07:11,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:11,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 12:07:11,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:11,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:11,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 12:07:11,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-24 12:07:11,364 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-11-24 12:07:11,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-11-24 12:07:11,563 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr4ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2023-11-24 12:07:11,563 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 12:07:11,563 INFO L85 PathProgramCache]: Analyzing trace with hash 2058117264, now seen corresponding path program 2 times [2023-11-24 12:07:11,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 12:07:11,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128408269] [2023-11-24 12:07:11,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 12:07:11,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 12:07:11,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 12:07:11,643 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 12:07:11,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 12:07:11,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128408269] [2023-11-24 12:07:11,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128408269] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-24 12:07:11,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1372502588] [2023-11-24 12:07:11,644 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-24 12:07:11,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 12:07:11,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-24 12:07:11,645 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 12:07:11,646 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-11-24 12:07:11,747 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-24 12:07:11,748 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-24 12:07:11,749 INFO L262 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 12:07:11,750 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 12:07:11,754 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-11-24 12:07:11,762 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2023-11-24 12:07:11,776 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 12:07:11,776 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 42 [2023-11-24 12:07:11,797 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 12:07:11,797 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 57 [2023-11-24 12:07:11,813 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-24 12:07:11,814 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 12:07:11,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1372502588] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 12:07:11,814 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-24 12:07:11,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 13 [2023-11-24 12:07:11,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587937738] [2023-11-24 12:07:11,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 12:07:11,815 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-24 12:07:11,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 12:07:11,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-24 12:07:11,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2023-11-24 12:07:11,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:11,816 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 12:07:11,816 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.6) internal successors, (73), 6 states have internal predecessors, (73), 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) [2023-11-24 12:07:11,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:11,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 12:07:11,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-24 12:07:11,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:11,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:11,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 12:07:11,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-24 12:07:11,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 12:07:11,969 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-11-24 12:07:12,167 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 12:07:12,167 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr4ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2023-11-24 12:07:12,168 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 12:07:12,168 INFO L85 PathProgramCache]: Analyzing trace with hash -1672198238, now seen corresponding path program 1 times [2023-11-24 12:07:12,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 12:07:12,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554876578] [2023-11-24 12:07:12,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 12:07:12,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 12:07:12,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 12:07:12,270 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 12:07:12,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 12:07:12,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554876578] [2023-11-24 12:07:12,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1554876578] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-24 12:07:12,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [237035340] [2023-11-24 12:07:12,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 12:07:12,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 12:07:12,271 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-24 12:07:12,272 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 12:07:12,295 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-11-24 12:07:12,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 12:07:12,390 INFO L262 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 12:07:12,391 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 12:07:12,413 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 12:07:12,413 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 12:07:12,465 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 12:07:12,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [237035340] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-24 12:07:12,465 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-24 12:07:12,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2023-11-24 12:07:12,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411441143] [2023-11-24 12:07:12,465 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-24 12:07:12,466 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-11-24 12:07:12,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 12:07:12,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-11-24 12:07:12,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2023-11-24 12:07:12,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:12,467 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 12:07:12,467 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 6.277777777777778) internal successors, (113), 18 states have internal predecessors, (113), 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) [2023-11-24 12:07:12,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:12,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 12:07:12,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-24 12:07:12,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-24 12:07:12,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:12,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:12,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 12:07:12,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-24 12:07:12,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 12:07:12,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-24 12:07:12,602 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2023-11-24 12:07:12,802 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 12:07:12,802 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr4ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2023-11-24 12:07:12,802 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 12:07:12,802 INFO L85 PathProgramCache]: Analyzing trace with hash -435816734, now seen corresponding path program 2 times [2023-11-24 12:07:12,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 12:07:12,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468049597] [2023-11-24 12:07:12,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 12:07:12,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 12:07:12,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 12:07:12,952 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 12:07:12,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 12:07:12,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468049597] [2023-11-24 12:07:12,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [468049597] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-24 12:07:12,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2086930502] [2023-11-24 12:07:12,953 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-24 12:07:12,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 12:07:12,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-24 12:07:12,954 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 12:07:12,979 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-11-24 12:07:13,072 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-24 12:07:13,072 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-24 12:07:13,073 INFO L262 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 12:07:13,075 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 12:07:13,079 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-11-24 12:07:13,095 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2023-11-24 12:07:13,113 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 12:07:13,113 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 42 [2023-11-24 12:07:13,136 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 12:07:13,137 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 57 [2023-11-24 12:07:13,157 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-24 12:07:13,157 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 12:07:13,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2086930502] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 12:07:13,158 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-24 12:07:13,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [17] total 21 [2023-11-24 12:07:13,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144892979] [2023-11-24 12:07:13,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 12:07:13,158 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-24 12:07:13,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 12:07:13,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-24 12:07:13,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=326, Unknown=0, NotChecked=0, Total=420 [2023-11-24 12:07:13,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:13,160 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 12:07:13,160 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.2) internal successors, (81), 6 states have internal predecessors, (81), 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) [2023-11-24 12:07:13,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:13,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 12:07:13,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-24 12:07:13,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-24 12:07:13,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-11-24 12:07:13,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:13,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:13,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 12:07:13,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-24 12:07:13,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 12:07:13,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-24 12:07:13,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 12:07:13,402 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2023-11-24 12:07:13,600 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2023-11-24 12:07:13,600 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [t_funErr4ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2023-11-24 12:07:13,601 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 12:07:13,601 INFO L85 PathProgramCache]: Analyzing trace with hash -381256053, now seen corresponding path program 1 times [2023-11-24 12:07:13,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 12:07:13,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635863837] [2023-11-24 12:07:13,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 12:07:13,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 12:07:13,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 12:07:13,768 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 12:07:13,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 12:07:13,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635863837] [2023-11-24 12:07:13,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1635863837] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-24 12:07:13,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1680889272] [2023-11-24 12:07:13,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 12:07:13,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 12:07:13,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-24 12:07:13,770 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 12:07:13,771 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-11-24 12:07:13,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 12:07:13,911 INFO L262 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-24 12:07:13,913 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 12:07:13,950 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 12:07:13,951 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 12:07:14,068 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 12:07:14,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1680889272] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-24 12:07:14,068 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-24 12:07:14,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2023-11-24 12:07:14,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120407241] [2023-11-24 12:07:14,069 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-24 12:07:14,069 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-11-24 12:07:14,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 12:07:14,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-11-24 12:07:14,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2023-11-24 12:07:14,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:14,071 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 12:07:14,072 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 6.521739130434782) internal successors, (150), 23 states have internal predecessors, (150), 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) [2023-11-24 12:07:14,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:14,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 12:07:14,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-24 12:07:14,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-24 12:07:14,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-11-24 12:07:14,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-24 12:07:14,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:14,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:14,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 12:07:14,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-24 12:07:14,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 12:07:14,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-24 12:07:14,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 12:07:14,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-11-24 12:07:14,338 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2023-11-24 12:07:14,533 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,18 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 12:07:14,534 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [t_funErr4ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2023-11-24 12:07:14,534 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 12:07:14,534 INFO L85 PathProgramCache]: Analyzing trace with hash -1066667804, now seen corresponding path program 2 times [2023-11-24 12:07:14,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 12:07:14,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273525108] [2023-11-24 12:07:14,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 12:07:14,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 12:07:14,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 12:07:14,856 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2023-11-24 12:07:14,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 12:07:14,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273525108] [2023-11-24 12:07:14,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273525108] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 12:07:14,856 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 12:07:14,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-24 12:07:14,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752703392] [2023-11-24 12:07:14,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 12:07:14,857 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-24 12:07:14,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 12:07:14,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-24 12:07:14,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-24 12:07:14,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:14,858 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 12:07:14,859 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 20.6) internal successors, (103), 6 states have internal predecessors, (103), 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) [2023-11-24 12:07:14,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:14,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 12:07:14,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-24 12:07:14,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-24 12:07:14,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-11-24 12:07:14,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-24 12:07:14,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-11-24 12:07:14,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:15,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:15,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 12:07:15,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-24 12:07:15,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 12:07:15,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-24 12:07:15,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 12:07:15,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-11-24 12:07:15,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 12:07:15,339 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-11-24 12:07:15,339 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [t_funErr4ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2023-11-24 12:07:15,339 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 12:07:15,339 INFO L85 PathProgramCache]: Analyzing trace with hash 396453492, now seen corresponding path program 1 times [2023-11-24 12:07:15,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 12:07:15,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059992679] [2023-11-24 12:07:15,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 12:07:15,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 12:07:15,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 12:07:15,601 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2023-11-24 12:07:15,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 12:07:15,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059992679] [2023-11-24 12:07:15,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1059992679] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 12:07:15,602 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 12:07:15,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-24 12:07:15,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989179369] [2023-11-24 12:07:15,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 12:07:15,603 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-24 12:07:15,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 12:07:15,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-24 12:07:15,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-24 12:07:15,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:15,605 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 12:07:15,605 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 17.5) internal successors, (140), 8 states have internal predecessors, (140), 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) [2023-11-24 12:07:15,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:15,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 12:07:15,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-24 12:07:15,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-24 12:07:15,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-11-24 12:07:15,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-24 12:07:15,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-11-24 12:07:15,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-24 12:07:15,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:17,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:17,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 12:07:17,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-24 12:07:17,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 12:07:17,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-24 12:07:17,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 12:07:17,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-11-24 12:07:17,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 12:07:17,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-24 12:07:17,986 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-11-24 12:07:17,987 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [t_funErr4ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2023-11-24 12:07:17,987 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 12:07:17,987 INFO L85 PathProgramCache]: Analyzing trace with hash 499911864, now seen corresponding path program 1 times [2023-11-24 12:07:17,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 12:07:17,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717579775] [2023-11-24 12:07:17,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 12:07:17,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 12:07:18,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 12:07:18,115 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2023-11-24 12:07:18,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 12:07:18,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717579775] [2023-11-24 12:07:18,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717579775] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-24 12:07:18,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1230951448] [2023-11-24 12:07:18,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 12:07:18,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 12:07:18,116 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-24 12:07:18,117 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 12:07:18,140 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2023-11-24 12:07:18,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 12:07:18,297 INFO L262 TraceCheckSpWp]: Trace formula consists of 590 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-24 12:07:18,299 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 12:07:18,349 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2023-11-24 12:07:18,349 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 12:07:18,419 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2023-11-24 12:07:18,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1230951448] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-24 12:07:18,420 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-24 12:07:18,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 14 [2023-11-24 12:07:18,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230796436] [2023-11-24 12:07:18,420 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-24 12:07:18,421 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-24 12:07:18,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 12:07:18,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-24 12:07:18,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2023-11-24 12:07:18,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:18,422 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 12:07:18,422 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 21.357142857142858) internal successors, (299), 14 states have internal predecessors, (299), 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) [2023-11-24 12:07:18,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:18,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 12:07:18,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-24 12:07:18,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-24 12:07:18,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-11-24 12:07:18,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-24 12:07:18,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-11-24 12:07:18,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-24 12:07:18,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-24 12:07:18,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:20,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:20,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 12:07:20,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-24 12:07:20,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 12:07:20,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-24 12:07:20,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 12:07:20,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-11-24 12:07:20,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 12:07:20,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-24 12:07:20,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-24 12:07:20,670 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr4ASSERT_VIOLATIONDATA_RACE (4 of 5 remaining) [2023-11-24 12:07:20,670 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 5 remaining) [2023-11-24 12:07:20,670 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (2 of 5 remaining) [2023-11-24 12:07:20,670 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 5 remaining) [2023-11-24 12:07:20,670 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (0 of 5 remaining) [2023-11-24 12:07:20,682 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2023-11-24 12:07:20,870 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2023-11-24 12:07:20,874 INFO L445 BasicCegarLoop]: Path program histogram: [2, 2, 2, 1, 1, 1, 1] [2023-11-24 12:07:20,875 INFO L307 ceAbstractionStarter]: Result for error location t_funThread1of2ForFork0 was SAFE,SAFE,SAFE,SAFE,SAFE (1/3) [2023-11-24 12:07:20,878 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 12:07:20,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-11-24 12:07:20,878 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-24 12:07:20,879 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-11-24 12:07:20,881 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-11-24 12:07:20,881 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-11-24 12:07:20,882 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4607aec1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 12:07:20,882 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2023-11-24 12:07:20,892 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (20)] Waiting until timeout for monitored process [2023-11-24 12:07:20,958 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2023-11-24 12:07:20,958 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 12:07:20,958 INFO L85 PathProgramCache]: Analyzing trace with hash -790446443, now seen corresponding path program 1 times [2023-11-24 12:07:20,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 12:07:20,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428861824] [2023-11-24 12:07:20,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 12:07:20,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 12:07:20,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 12:07:20,968 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-24 12:07:20,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 12:07:20,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428861824] [2023-11-24 12:07:20,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428861824] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 12:07:20,969 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 12:07:20,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 12:07:20,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260567077] [2023-11-24 12:07:20,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 12:07:20,969 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-24 12:07:20,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 12:07:20,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-24 12:07:20,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-24 12:07:20,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:20,971 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 12:07:20,971 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 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) [2023-11-24 12:07:20,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:20,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:20,977 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-11-24 12:07:20,978 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2023-11-24 12:07:20,978 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 12:07:20,978 INFO L85 PathProgramCache]: Analyzing trace with hash 864762594, now seen corresponding path program 1 times [2023-11-24 12:07:20,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 12:07:20,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912755727] [2023-11-24 12:07:20,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 12:07:20,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 12:07:20,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 12:07:20,994 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-24 12:07:20,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 12:07:20,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912755727] [2023-11-24 12:07:20,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912755727] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 12:07:20,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 12:07:20,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 12:07:20,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225107806] [2023-11-24 12:07:20,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 12:07:20,995 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 12:07:20,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 12:07:20,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 12:07:20,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 12:07:20,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:20,996 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 12:07:20,996 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-24 12:07:20,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:20,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:21,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:21,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 12:07:21,011 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-11-24 12:07:21,011 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2023-11-24 12:07:21,011 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 12:07:21,012 INFO L85 PathProgramCache]: Analyzing trace with hash 292024969, now seen corresponding path program 1 times [2023-11-24 12:07:21,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 12:07:21,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718801270] [2023-11-24 12:07:21,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 12:07:21,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 12:07:21,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 12:07:21,039 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-24 12:07:21,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 12:07:21,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718801270] [2023-11-24 12:07:21,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1718801270] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-24 12:07:21,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1430089279] [2023-11-24 12:07:21,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 12:07:21,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 12:07:21,040 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-24 12:07:21,041 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 12:07:21,055 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2023-11-24 12:07:21,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 12:07:21,176 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 12:07:21,177 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 12:07:21,189 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-24 12:07:21,189 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 12:07:21,206 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-24 12:07:21,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1430089279] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-24 12:07:21,206 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-24 12:07:21,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2023-11-24 12:07:21,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202841145] [2023-11-24 12:07:21,207 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-24 12:07:21,207 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-24 12:07:21,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 12:07:21,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-24 12:07:21,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-11-24 12:07:21,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:21,208 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 12:07:21,208 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.2) internal successors, (62), 10 states have internal predecessors, (62), 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) [2023-11-24 12:07:21,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:21,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 12:07:21,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:21,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:21,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 12:07:21,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-24 12:07:21,265 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2023-11-24 12:07:21,456 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2023-11-24 12:07:21,456 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2023-11-24 12:07:21,457 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 12:07:21,457 INFO L85 PathProgramCache]: Analyzing trace with hash -1196196311, now seen corresponding path program 2 times [2023-11-24 12:07:21,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 12:07:21,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802400263] [2023-11-24 12:07:21,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 12:07:21,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 12:07:21,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 12:07:21,524 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-24 12:07:21,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 12:07:21,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802400263] [2023-11-24 12:07:21,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [802400263] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-24 12:07:21,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1226481777] [2023-11-24 12:07:21,525 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-24 12:07:21,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 12:07:21,525 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-24 12:07:21,526 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 12:07:21,528 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2023-11-24 12:07:21,662 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-24 12:07:21,662 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-24 12:07:21,663 INFO L262 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 12:07:21,663 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 12:07:21,684 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-24 12:07:21,685 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 12:07:21,741 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-24 12:07:21,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1226481777] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-24 12:07:21,742 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-24 12:07:21,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2023-11-24 12:07:21,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931756706] [2023-11-24 12:07:21,742 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-24 12:07:21,742 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-11-24 12:07:21,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 12:07:21,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-11-24 12:07:21,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2023-11-24 12:07:21,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:21,744 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 12:07:21,744 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 4.555555555555555) internal successors, (82), 18 states have internal predecessors, (82), 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) [2023-11-24 12:07:21,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:21,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 12:07:21,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-24 12:07:21,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:21,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:21,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 12:07:21,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-24 12:07:21,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-24 12:07:21,965 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2023-11-24 12:07:22,152 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2023-11-24 12:07:22,153 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2023-11-24 12:07:22,153 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 12:07:22,153 INFO L85 PathProgramCache]: Analyzing trace with hash 988708201, now seen corresponding path program 3 times [2023-11-24 12:07:22,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 12:07:22,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922545560] [2023-11-24 12:07:22,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 12:07:22,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 12:07:22,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 12:07:22,316 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-24 12:07:22,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 12:07:22,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922545560] [2023-11-24 12:07:22,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [922545560] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-24 12:07:22,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [112427294] [2023-11-24 12:07:22,317 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-24 12:07:22,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 12:07:22,317 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-24 12:07:22,318 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 12:07:22,336 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2023-11-24 12:07:22,504 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2023-11-24 12:07:22,504 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-24 12:07:22,505 INFO L262 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-24 12:07:22,506 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 12:07:22,557 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-24 12:07:22,558 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 12:07:22,691 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-24 12:07:22,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [112427294] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-24 12:07:22,691 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-24 12:07:22,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2023-11-24 12:07:22,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120406337] [2023-11-24 12:07:22,692 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-24 12:07:22,692 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-11-24 12:07:22,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 12:07:22,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-11-24 12:07:22,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2023-11-24 12:07:22,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:22,694 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 12:07:22,694 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 4.217391304347826) internal successors, (97), 23 states have internal predecessors, (97), 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) [2023-11-24 12:07:22,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:22,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 12:07:22,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-24 12:07:22,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-11-24 12:07:22,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:22,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:22,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 12:07:22,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-24 12:07:22,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-24 12:07:22,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-11-24 12:07:22,940 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2023-11-24 12:07:23,138 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,23 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 12:07:23,138 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2023-11-24 12:07:23,138 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 12:07:23,139 INFO L85 PathProgramCache]: Analyzing trace with hash 772799682, now seen corresponding path program 4 times [2023-11-24 12:07:23,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 12:07:23,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794396345] [2023-11-24 12:07:23,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 12:07:23,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 12:07:23,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 12:07:23,153 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 12:07:23,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 12:07:23,177 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-24 12:07:23,177 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-24 12:07:23,178 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 7 remaining) [2023-11-24 12:07:23,178 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2023-11-24 12:07:23,178 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (4 of 7 remaining) [2023-11-24 12:07:23,178 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2023-11-24 12:07:23,178 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2023-11-24 12:07:23,178 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2023-11-24 12:07:23,179 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2023-11-24 12:07:23,179 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2023-11-24 12:07:23,181 INFO L445 BasicCegarLoop]: Path program histogram: [4, 1, 1] [2023-11-24 12:07:23,181 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN (2/3) [2023-11-24 12:07:23,181 WARN L233 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2023-11-24 12:07:23,181 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2023-11-24 12:07:23,217 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-11-24 12:07:23,220 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 12:07:23,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-11-24 12:07:23,221 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-24 12:07:23,222 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-11-24 12:07:23,225 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-11-24 12:07:23,225 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-11-24 12:07:23,226 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4607aec1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 12:07:23,226 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2023-11-24 12:07:23,244 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (24)] Waiting until timeout for monitored process [2023-11-24 12:07:23,349 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2023-11-24 12:07:23,349 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 12:07:23,350 INFO L85 PathProgramCache]: Analyzing trace with hash 1680160772, now seen corresponding path program 1 times [2023-11-24 12:07:23,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 12:07:23,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019220994] [2023-11-24 12:07:23,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 12:07:23,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 12:07:23,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 12:07:23,362 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-11-24 12:07:23,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 12:07:23,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019220994] [2023-11-24 12:07:23,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019220994] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 12:07:23,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 12:07:23,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 12:07:23,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106161085] [2023-11-24 12:07:23,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 12:07:23,364 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-24 12:07:23,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 12:07:23,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-24 12:07:23,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-24 12:07:23,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:23,365 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 12:07:23,365 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 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) [2023-11-24 12:07:23,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:23,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:23,374 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2023-11-24 12:07:23,375 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2023-11-24 12:07:23,375 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 12:07:23,375 INFO L85 PathProgramCache]: Analyzing trace with hash 1663566036, now seen corresponding path program 1 times [2023-11-24 12:07:23,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 12:07:23,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544165191] [2023-11-24 12:07:23,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 12:07:23,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 12:07:23,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 12:07:23,392 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-11-24 12:07:23,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 12:07:23,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544165191] [2023-11-24 12:07:23,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544165191] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 12:07:23,393 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 12:07:23,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 12:07:23,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391034844] [2023-11-24 12:07:23,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 12:07:23,394 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 12:07:23,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 12:07:23,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 12:07:23,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 12:07:23,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:23,395 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 12:07:23,395 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 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) [2023-11-24 12:07:23,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:23,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:23,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:23,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 12:07:23,412 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2023-11-24 12:07:23,412 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2023-11-24 12:07:23,412 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 12:07:23,412 INFO L85 PathProgramCache]: Analyzing trace with hash -1018459208, now seen corresponding path program 1 times [2023-11-24 12:07:23,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 12:07:23,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083379361] [2023-11-24 12:07:23,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 12:07:23,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 12:07:23,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 12:07:23,440 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-11-24 12:07:23,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 12:07:23,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083379361] [2023-11-24 12:07:23,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083379361] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-24 12:07:23,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1975613604] [2023-11-24 12:07:23,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 12:07:23,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 12:07:23,442 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-24 12:07:23,443 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 12:07:23,464 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2023-11-24 12:07:23,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 12:07:23,585 INFO L262 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 12:07:23,587 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 12:07:23,603 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-11-24 12:07:23,603 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 12:07:23,630 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-11-24 12:07:23,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1975613604] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-24 12:07:23,630 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-24 12:07:23,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2023-11-24 12:07:23,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996689677] [2023-11-24 12:07:23,631 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-24 12:07:23,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-24 12:07:23,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 12:07:23,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-24 12:07:23,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-11-24 12:07:23,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:23,633 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 12:07:23,633 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.3) internal successors, (63), 10 states have internal predecessors, (63), 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) [2023-11-24 12:07:23,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:23,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 12:07:23,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:23,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:23,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 12:07:23,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-24 12:07:23,684 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2023-11-24 12:07:23,884 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,25 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 12:07:23,884 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2023-11-24 12:07:23,885 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 12:07:23,885 INFO L85 PathProgramCache]: Analyzing trace with hash -1219662536, now seen corresponding path program 2 times [2023-11-24 12:07:23,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 12:07:23,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312158019] [2023-11-24 12:07:23,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 12:07:23,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 12:07:23,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 12:07:23,944 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-11-24 12:07:23,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 12:07:23,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312158019] [2023-11-24 12:07:23,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312158019] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-24 12:07:23,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1954509286] [2023-11-24 12:07:23,945 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-24 12:07:23,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 12:07:23,945 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-24 12:07:23,946 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 12:07:23,948 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2023-11-24 12:07:24,142 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-24 12:07:24,142 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-24 12:07:24,143 INFO L262 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 12:07:24,143 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 12:07:24,169 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-11-24 12:07:24,169 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 12:07:24,221 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-11-24 12:07:24,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1954509286] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-24 12:07:24,221 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-24 12:07:24,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2023-11-24 12:07:24,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926599764] [2023-11-24 12:07:24,222 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-24 12:07:24,222 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-11-24 12:07:24,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 12:07:24,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-11-24 12:07:24,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2023-11-24 12:07:24,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:24,224 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 12:07:24,224 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 4.611111111111111) internal successors, (83), 18 states have internal predecessors, (83), 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) [2023-11-24 12:07:24,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:24,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 12:07:24,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-24 12:07:24,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:24,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:24,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 12:07:24,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-24 12:07:24,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-24 12:07:24,367 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2023-11-24 12:07:24,566 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2023-11-24 12:07:24,567 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2023-11-24 12:07:24,567 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 12:07:24,567 INFO L85 PathProgramCache]: Analyzing trace with hash 2001047608, now seen corresponding path program 3 times [2023-11-24 12:07:24,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 12:07:24,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502992551] [2023-11-24 12:07:24,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 12:07:24,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 12:07:24,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 12:07:24,731 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-11-24 12:07:24,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 12:07:24,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502992551] [2023-11-24 12:07:24,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [502992551] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-24 12:07:24,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [485810690] [2023-11-24 12:07:24,732 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-24 12:07:24,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 12:07:24,732 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-24 12:07:24,733 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 12:07:24,749 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2023-11-24 12:07:24,932 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2023-11-24 12:07:24,932 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-24 12:07:24,934 INFO L262 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-24 12:07:24,935 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 12:07:24,994 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-11-24 12:07:24,994 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 12:07:25,204 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-11-24 12:07:25,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [485810690] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-24 12:07:25,204 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-24 12:07:25,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2023-11-24 12:07:25,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080221263] [2023-11-24 12:07:25,205 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-24 12:07:25,205 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-11-24 12:07:25,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 12:07:25,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-11-24 12:07:25,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2023-11-24 12:07:25,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:25,207 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 12:07:25,207 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 4.260869565217392) internal successors, (98), 23 states have internal predecessors, (98), 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) [2023-11-24 12:07:25,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:25,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 12:07:25,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-24 12:07:25,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-11-24 12:07:25,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:25,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 12:07:25,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 12:07:25,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-24 12:07:25,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-24 12:07:25,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-11-24 12:07:25,436 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2023-11-24 12:07:25,635 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2023-11-24 12:07:25,636 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2023-11-24 12:07:25,636 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 12:07:25,636 INFO L85 PathProgramCache]: Analyzing trace with hash -579163820, now seen corresponding path program 4 times [2023-11-24 12:07:25,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 12:07:25,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156336288] [2023-11-24 12:07:25,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 12:07:25,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 12:07:25,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 12:07:25,652 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 12:07:25,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 12:07:25,677 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-24 12:07:25,677 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-24 12:07:25,678 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 7 remaining) [2023-11-24 12:07:25,678 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2023-11-24 12:07:25,678 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (4 of 7 remaining) [2023-11-24 12:07:25,678 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2023-11-24 12:07:25,679 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2023-11-24 12:07:25,679 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2023-11-24 12:07:25,679 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2023-11-24 12:07:25,679 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2023-11-24 12:07:25,681 INFO L445 BasicCegarLoop]: Path program histogram: [4, 1, 1] [2023-11-24 12:07:25,681 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN (1/4) [2023-11-24 12:07:25,681 WARN L233 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2023-11-24 12:07:25,681 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2023-11-24 12:07:25,721 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-11-24 12:07:25,724 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 12:07:25,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-11-24 12:07:25,725 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-24 12:07:25,725 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-11-24 12:07:25,728 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-11-24 12:07:25,728 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread4of4ForFork0 ======== [2023-11-24 12:07:25,728 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4607aec1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 12:07:25,729 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2023-11-24 12:07:25,746 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (28)] Waiting until timeout for monitored process